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Pasco (WA), United States of America - Weather and Climate

Pasco, Washington State, United States of America experiences significant temperature shifts throughout the year. The city's weather can transition from very warm to cold periods. It experiences desert-like conditions in terms of precipitation, with almost no rain/snowfall. Let’s explore the climate details to provide you with a complete overview.

Average maximum day and minimum night temperature

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 in July to a chilly 5°C in the coolest month, December.

Nights are cooler, with lows often dropping to around -3°C during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Pasco is known for its low rain/snowfall, with yearly precipitation amounts around 185 mm. The climate in Pasco shows significant variation throughout the year. Expect low snow/rainfall in December, with an average of 29 mm of precipitation over 11 snowy/rainy days.

In contrast, August offers drier and sunnier days, with around 3.1 mm 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

Forecast for Pasco (WA)

Wednesday
2 Apr
Partly cloudy
Partly cloudy
12°C
0.1 mm
Thursday
3 Apr
Clear sky
Clear sky
12°C
0 mm
Friday
4 Apr
Fair
Fair
15°C
0 mm

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Pasco in the United States of America

Other facts from our historical weather data:
  • When is summer in Pasco?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Pasco?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Pasco?
    The coldest month is December with an average maximum temperature of 5°C.
  • Which is the wettest month in Pasco?
    December tops the wettest month list with 29 mm of rainfall.
  • Which is the driest month in Pasco?
    August is the driest month with 3 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.