ClimateForecastNovemberDecember >>

Castlegar Climate by Month

The temperature in Castlegar can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Castlegar can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 25°C in August to a very cold -3°C in December. Nighttime temperatures can drop, with averages reaching -10°C in December.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Castlegar is known for its substantial rain/snowfall, with annual precipitation reaching 1022 mm. The seasons in Castlegar, bring significant changes in precipitation. The wettest month, November, receives high snow/rainfall, with an average of 119 mm of precipitation. This snow/rainfall is distributed across 16 snowy/rainy days. In contrast, the driest month, August, experiences much less rainfall, totaling 37 mm over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

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

The best time of year to visit Castlegar in Canada

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Castlegar?
    The coldest season / winter is in the following months: January, February, November and December.
  • Which is the warmest month in Castlegar?
    August has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Castlegar?
    The coldest month is December with an average maximum temperature of -3°C.
  • Which is the wettest month in Castlegar?
    November tops the wettest month list with 119 mm of rainfall.
  • Which is the driest month in Castlegar?
    August is the driest month with 37 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 Castlegar

    Fri   Nov 22
    4°C | -2°C
    NE 7 km/h
    14 mm
    broken clouds and rain

    broken clouds and rain

    Sat   Nov 23
    5°C | 2°C
    S 7 km/h
    6.5 mm
    overcast and rain

    overcast and rain

    Sun   Nov 24
    4°C | 1°C
    SE 7 km/h
    2.7 mm
    overcast and slight sleet

    overcast and slight sleet