Climate Insights for Cranbrook

The climate in Cranbrook is cool. The average annual temperature is 5°C and approximately 621mm of precipitation falls per year. December is the wettest month, receiving around 68mm of rainfall. Cranbrook is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to -12°C. Cranbrook experiences heavy snowfall, typically from January through December.

Cranbrook has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 18°C. The coldest month is February, when overnight lows fall to -12°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Cranbrook is a relatively dry area, receiving approximately 621mm of precipitation annually, which averages out to around 52mm per month. The wettest month is December, averaging 68mm of rainfall. October and May also tend to see above-average precipitation. The driest month is August, with just 19mm. That's 50mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Cranbrook receives heavy snowfall, accumulating around 281cm annually from January through December. The snowiest month is December, with approximately 60cm. Winter travel should account for significant snow cover.

Cranbrook is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Cranbrook, which began on June 21, 2026. Cranbrook is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 26°C, while the coldest stretch bottoms out in February near -12°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Cranbrook is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 26mm per month. By contrast, February can be quite cold with temperatures dropping to -12°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Cranbrook based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.