Climate Insights for Jackson

The climate in Jackson is cool. The average annual temperature is 3°C and approximately 868mm of precipitation falls per year. February is the wettest month, receiving around 108mm of rainfall. Jackson is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -11°C. Jackson experiences heavy snowfall, typically from January through December.

Jackson has a wide annual temperature range, spanning 36°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -11°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Jackson is a moderately rainy area, receiving approximately 868mm of precipitation annually, which averages out to around 72mm per month. The wettest month is February, averaging 108mm of rainfall. December and March also tend to see above-average precipitation. The driest month is July, with just 24mm. That's 84mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Jackson receives heavy snowfall, accumulating around 582cm annually from January through December. The snowiest month is February, with approximately 107cm. Winter travel should account for significant snow cover.

Jackson is relatively calm, with an average annual wind speed of 7km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Jackson, which began on June 21, 2026. Jackson 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 July at around 25°C, while the coldest stretch bottoms out in January near -11°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Jackson is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 32mm per month. By contrast, January can be quite cold with temperatures dropping to -11°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Jackson 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.