Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Pasco (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pasco.
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Climate overview of Pasco
Temperatures in Pasco, Washington State, United States of America, vary greatly throughout the year. July is the hottest month at 33°C (91°F), while December is the coldest at 5°C (41°F).
The area sees almost no rain/snowfall, totalling just 185 mm (7.3 in) per year.
Pasco Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pasco - and find the best time to visit.
Monthly Temperature in Pasco
The climate in Pasco is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in July to a chilly 5°C (41°F) in the coolest month, December.
Nights vary from 16°C (61°F) in July to around -3°C (27°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pasco
Pasco is known for its low rain/snowfall, with yearly precipitation amounts around 185 mm (7.3 in). The climate in Pasco shows significant variation throughout the year. Expect low snow/rainfall in December, the wettest month, with an average of 29 mm (1.1 in) of precipitation over 11 snowy/rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 3.1 mm (0.1 in) of rainfall over 2 rainy days. For more details, please visit our Pasco Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Pasco
For comfortable weather, consider visiting Pasco in April, May, June, September and October. Conditions are usually least favourable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
mixed
Mar
very good
Apr
excellent
May
excellent
Jun
excellent
Jul
good
Aug
very good
Sep
excellent
Oct
excellent
Nov
good
Dec
mixed
- Best overall: April, May, June, September and October
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Very little rainfall year-round, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Pasco
What is the best time to visit Pasco?
April, May, June, September and October typically offer the most optimal weather in Pasco. In contrast, January, February and December tend to have less optimal conditions. Pasco has very little rainfall year-round, with very warm summers and cold winters.
What temperatures can I expect in Pasco?
Daytime highs range from 5°C (41°F) in December to 33°C (91°F) in July. Nighttime lows range from -3°C (27°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Pasco get?
Annual rainfall is around 185 mm (7.3 in). December is the wettest month with 29 mm (1.1 in), while August is the driest with 3.1 mm (0.1 in). In the coldest months, precipitation may fall as snow/rain.
Pasco 3-Day Forecast
Pasco on the map
Pasco is highlighted - select any city to see its climate.
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