ClimateForecastNovemberDecember >>

Richland (WA) Climate by Month

The climate in Richland is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. The area is known for its low rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

In Richland, temperatures differ significantly between summer and winter months. Average daytime temperatures range from a very warm 33°C in July, the warmest time of the year, to a chilly 4°C during cooler months like December. At night, temperatures typically average around -3°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Richland sits in an arid zone with minimal moisture, averaging 175 mm of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives low snow/rainfall, averaging 29 mm of precipitation, recorded across 12 snowy/rainy days. In contrast, the drier season, July brings less rainfall, with 2.6 mm over 2 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

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

Other facts from our historical weather data:
  • When is summer in Richland?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Richland?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Richland?
    The coldest month is December with an average maximum temperature of 4°C.
  • Which is the wettest month in Richland?
    December tops the wettest month list with 29 mm of rainfall.
  • Which is the driest month in Richland?
    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.

    Forecast for Richland (WA)

    Thu   Nov 21
    8°C | 5°C
    N 11 km/h
    3.7 mm
    broken clouds and rain

    broken clouds and rain

    Fri   Nov 22
    10°C | 5°C
    NW 11 km/h
    20 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Nov 23
    11°C | 5°C
    SW 14 km/h
    3.8 mm
    partly cloudy and rain

    partly cloudy and rain