Climate Overview
The climate in Jackson is cool. The average annual temperature is 8°C and approximately 1074mm of precipitation falls per year. Jackson receives a notable amount of rainfall throughout the year, including during its driest month. Jackson is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -12°C. Snowfall occurs from January to December, with around 165cm accumulating over the season.
Temperature
Jackson has a wide annual temperature range, spanning 40°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -12°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 10°C shift in average temperatures.
Precipitation
Jackson is a moderately rainy area, receiving approximately 1074mm of precipitation annually, which averages out to around 89mm per month. The wettest month is June, averaging 142mm of rainfall. May and September also tend to see above-average precipitation. The driest month is February, with just 36mm. That's 106mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 165cm accumulating over the season. January typically sees the most snow at around 34cm.
Wind
Jackson is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
1 day until Summer
It is currently spring in Jackson, which began on March 20, 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 28°C, while the coldest stretch bottoms out in January near -12°C. Summer is next, beginning on June 21, 2026 — 1 days from now.
Spring
Temperatures range from -3 to 22°C. Rainfall is heavy, totalling around 323mm across the season with a monthly average of 108mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 28°C. Rainfall is heavy, totalling around 366mm across the season with a monthly average of 122mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from -2 to 24°C. Precipitation is moderate at around 271mm for the season, averaging 90mm per month. Expect around 21cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -12 to -1°C. Rainfall is relatively light, with around 114mm over the season and a monthly average of 38mm. Expect around 90cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
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.
