Climate and Average Weather Year Round in Trout Lake, Washington
Throughout the year, temperatures in Trout Lake range from 25°F to 86°F. Annual precipitation averages 56 inches, with 44 inches of snowfall. In Trout Lake, the humidity level remains comfortable throughout the summer, providing a pleasant environment for residents and visitors alike.
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Weather This Month
Climate of
Average Daily High Temperature
Note: Data is shown at the county level, which may not reflect city-level variation. Explore the USA climate map →
Best Time to Visit Trout Lake Based on Comfortable Weather
Every year, Trout Lake has about 150 days or 4.9 months with comfortable weather. The best time of year to visit Trout Lake is mid May to September.
The number of days per year with comfortable weather are calculated using the following criteria, which favor mild temperatures and low humidity:
- Daily high temperatures between 65ºF and 86ºF (18°C and 30°C)
- Daily maximum dew point temperatures less than or equal to 65ºF (18°C)
- Average daily cloud cover less than or equal to 65%
- Average daily wind speed less than or equal to 18 mph (5.8 m/s)
Average Temperature in Trout Lake
In the summer months, the hottest month of the year in Trout Lake is July, with an average high of 84°F and average low of 50°F. In the winter months, the lowest temperatures are reached in the month of December with an average high of 37°F and average low of 25°F.
Average Temperatures by Month in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High | 39°F | 43°F | 49°F | 58°F | 67°F | 74°F | 84°F | 83°F | 75°F | 60°F | 45°F | 37°F |
| Average | 32°F | 35°F | 39°F | 46°F | 54°F | 59°F | 67°F | 66°F | 59°F | 48°F | 38°F | 31°F |
| Low | 26°F | 27°F | 29°F | 33°F | 40°F | 45°F | 50°F | 49°F | 42°F | 35°F | 30°F | 25°F |
Precipitation
Trout Lake receives an annual precipitation of 56 inches. Precipitation includes rain and liquid equivalent of snow, hail, freezing rain, sleet. Month with most precipitation in Trout Lake is December, with an average monthly precipitation of 10 inches.
Average Monthly Total Precipitation in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Precipitation | 9.0" | 6.2" | 6.2" | 3.8" | 2.6" | 1.6" | 0.5" | 0.8" | 1.9" | 5.0" | 8.4" | 9.7" |
Snowfall
The snowy period of the year in Trout Lake lasts for 5 months. The first measurable snowfall of at least 1.0 inches in Trout Lake typically starts in November with the last snowfall usually recorded in March. The month with the most snowfall in Trout Lake is December, with an average snowfall of 15.4 inches. There is no snowfall in Trout Lake for 7 months from April to October. Trout Lake receives an annual snowfall of 44 inches.
Average Monthly Total Snowfall in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snowfall | 14.9" | 5.8" | 3.7" | 0.3" | 0.0" | 0.0" | 0.0" | 0.0" | 0.0" | 0.2" | 3.8" | 15.4" |
Humidity
We use dew point to measure humidity comfort since it shows whether sweat can evaporate from our skin to cool us -
lower dew points feel drier and higher ones feel more humid. When sweat evaporates, it draws heat from our skin,
which is how our bodies naturally cool down.
Generally, if the dew point temperature is below 50ºF, humidity levels make the air feel dry.
If the dew point temperature is between 50-60ºF, moisture levels are comfortable.
When the dew point temperature exceeds 60ºF, the air will feel noticeably humid.
If the dew point temperature climbs to 70ºF or higher, the air will feel muggy and unpleasantly uncomfortable.
In Trout Lake, the humidity level remains comfortable throughout the summer, providing a pleasant environment for residents and visitors alike.
Average Monthly Humidity in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dewpoint Temperature | 34°F | 34°F | 37°F | 40°F | 45°F | 49°F | 52°F | 52°F | 48°F | 42°F | 36°F | 33°F |
Wind Speed
In Trout Lake, the wind speed remains relatively consistent throughout the year, with an average of 6 mph in the winter months (January, February, March, and December). In the summer months (June, July, and August), the average wind speed changes to 6 mph. Overall, the variation in wind speed ranges between 5.0 mph and 7.0 mph across the months.
Average Monthly Wind speed in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind Speed | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 |
Cloud Cover
In Trout Lake, the month with the clearest sky, characterized by predominantly clear, few, and scattered clouds, is August, when the sky is clear or has few and scattered clouds 75.0% of the time. The cloudiest month of the year in Trout Lake is January, when the sky is overcast or covered with broken clouds, occurring 67.0% of the time.
Average Monthly Cloud Cover in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clear Sky (%) | 33 | 42 | 44 | 49 | 53 | 59 | 74 | 75 | 67 | 52 | 38 | 33 |
| Cloudier Sky (%) | 67 | 58 | 56 | 51 | 47 | 41 | 26 | 25 | 33 | 48 | 62 | 67 |
Sun
In Trout Lake, the longest day of the year is June 21 with about 15 hr 45 min 5 sec of daylight.
The shortest day in Trout Lake falls on December 21 with about 8 hr 37 min 56 sec of daylight.
How this is calculated: Based on the location’s latitude and longitude, we determine the local time zone and calculate daily sunrise and sunset times using a solar position algorithm. The difference between sunset and sunrise gives the day length. Repeating this process for every day of the year allows us to identify the longest and shortest days for that location.
Sunshine Hours
In Trout Lake, the month with most sunshine hours is July (13.2 hrs), and the month with least sunshine hours is January (2.6 hrs). Total annual sunshine hours: 2676.9 hrs.
In everyday terms, this represents the average amount of daily sunlight a location receives — often described as "hours of sun per day," "average daily sunlight," "sunshine duration," or "sunlight daily". These measures all capture how bright and sunny a place really feels across the seasons.
Tracking sunshine hours and sunny days can also highlight areas with limited daylight, which is especially important for people managing Seasonal Affective Disorder (SAD). This information is also a practical guide when comparing climates, planning a move, choosing a vacation spot, or avoiding long, gloomy winters.
In the chart below, each day is represented as a 24-hour cycle, divided into sunshine hours, cloudy daylight hours, and night. For example, if a location had 10 hours of daylight and 6 of those were sunny, the chart would show 6 hours of sunshine, 4 hours of cloudy daylight, and the remaining 14 hours as night.
Average Monthly Sunshine Hours in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunshine (hrs) | 2.6 | 4.2 | 5.6 | 7.9 | 9.6 | 11.2 | 13.2 | 11.6 | 9.1 | 6.1 | 3.4 | 2.6 |
Sunshine Percentage
In Trout Lake, the month with most sunshine percentage is July (87.8%), and the month with least sunshine percentage is January (29.5%).
Sunshine percentage is calculated by comparing the actual sunshine hours in a day to the maximum possible daylight hours (based on the sun’s position at that longitude/latitude and time of year). For example, if a location had 6 hours of sunshine during a 10-hour day, the sunshine percentage would be 60%. This gives an easy-to-understand measure of how much of the available daylight was truly sunny.
Unlike cloud cover data, which represent average conditions over the full 24-hour day (including night), sunshine percentage looks only at the daylight hours. This makes it a more practical measure for everyday use — whether it’s tracking seasonal changes in sunlight to manage Seasonal Affective Disorder (SAD), planning outdoor activities, choosing travel destinations, or simply finding places that avoid long stretches of gloomy weather.
Average Monthly Sunshine Percentage in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunshine (%) | 29.5 | 41.2 | 47.4 | 59.3 | 65.1 | 72.9 | 87.8 | 83.7 | 74.2 | 56.7 | 37.3 | 31.5 |
Solar Energy
In Trout Lake, the month with most solar energy is July (7.7 kWh/m²), and the month with least solar energy is December (0.9 kWh/m²). Total annual solar energy for Trout Lake is 1495.3 kWh/m².
Solar energy here refers to the total shortwave radiation (sunlight) reaching the ground, measured as Global Horizontal Irradiance (GHI). It combines both direct and diffuse sunlight scattered by the atmosphere. Hourly GHI values are converted into daily energy (in kWh/m²) by summing the radiation over each day.
In everyday terms, GHI reflects the total amount of sunlight energy available at a location — a measure often used to understand seasonal changes in daily sunlight, compare how sunny different places are, or evaluate solar power potential.
Average Monthly Solar Energy in Trout Lake
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar Energy (kWh/m²) | 1.1 | 2.1 | 3.3 | 5.0 | 6.2 | 7.0 | 7.7 | 6.4 | 4.6 | 2.7 | 1.4 | 0.9 |
Trout Lake
County: Klickitat
State: Washington
Population: 732
Annual Temperature Range: 25°F in December to 86°F in July
Annual Precipitation: 56 inches
Annual Snowfall: 44 inches
Number of Comfortable Weather Days: 150 or 4.9 months
Annual Sunshine: 2676.9 hours
Annual Solar Energy: 1495.3 kWh/m²
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Data Sources
myPerfectWeather.com uses data from the National Center for Environmental Information, with 15,000+ weather stations across the USA reporting precipitation, snowfall, humidity and temperature. The data is collected and processed over a 30-year period from 1991-2020, ensuring accuracy. A sophisticated algorithm identifies nearby weather stations for each city and calculates weather data based on a weighted average of station data, ensuring accuracy and relevance. To view the weather stations used in the calculations, simply click on the '' icon on the map. We also source population information from the US Census database and use industry-leading technology from © OpenStreetMap and Leaflet to power our maps. With these powerful tools, you can easily visualize and explore weather patterns in your area with confidence and accuracy.
The GHI and DNI data come from the U.S. National Renewable Energy Laboratory (NREL), which uses its Physical Solar Model (PSM) together with satellite observations from the GOES weather satellites. The model first calculates the theoretical amount of solar radiation based on the Sun’s position for a given location and time. It then adjusts those values using satellite measurements of real-world conditions — such as clouds, haze, smoke, and aerosols — that block or scatter sunlight. To highlight reliable patterns rather than day-to-day weather noise, the results are averaged over many years.
Sunshine hours (or Sunshine duration) per day are estimated by counting the time when direct sunlight (measured as Direct Normal Irradiance, or DNI) exceeds 120 W/m², following the World Meteorological Organization standard. Sunshine hours are calculated only during daylight and are averaged over many years to capture long-term patterns.
Climate data shown on the map is currently at the county level for performance reasons. In geographically diverse regions (such as San Diego County), this may not accurately reflect conditions in specific cities or neighborhoods.
Disclaimer
The information displayed in the visualizations on this website is provided without warranty of any kind, either expressed or implied, including without limitation, any warranty of accuracy, reliability, or suitability for any particular purpose. The weather data used in the visualizations is obtained from external sources and may contain errors resulting from factors such as equipment failures, complex data processing procedures, transmission issues, geospatial mapping to specific counties, and other defects not explicitly mentioned here. The website's creators assume no liability for any damages or losses arising from the use of the information presented on this site or for any decisions made based on such information.