Climate Overview
The climate in Kemmerer is cool. The average annual temperature is 6°C and approximately 390mm of precipitation falls per year. May is the wettest month, receiving around 60mm of rainfall. Kemmerer 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 December, January, February, when temperatures can drop to -11°C. Snowfall occurs from January to December, with around 195cm accumulating over the season.
Temperature
Kemmerer has a wide annual temperature range, spanning 40°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 22°C. The coldest month is December, when overnight lows fall to -11°C and the daily average is -7°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 9°C shift in average temperatures.
Precipitation
Kemmerer is a quite dry location, receiving approximately 390mm of precipitation annually, which averages out to around 33mm per month. The wettest month is May, averaging 60mm of rainfall. April and March also tend to see above-average precipitation. The driest month is July, with just 13mm. That's 47mm less than May, 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 195cm accumulating over the season. January typically sees the most snow at around 37cm.
Wind
Kemmerer 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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/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.
Seasons
94 days until Autumn
It is currently summer in Kemmerer, which began on June 21, 2026. Kemmerer 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 29°C, while the coldest stretch bottoms out in December near -11°C. Autumn is next, beginning on September 23, 2026 — 94 days from now.
Spring
Temperatures range from -4 to 17°C. Precipitation is moderate at around 157mm for the season, averaging 52mm per month. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 9 to 29°C. Precipitation is minimal, with only around 46mm for the entire season. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 23°C. Rainfall is relatively light, with around 87mm over the season and a monthly average of 29mm. Expect around 39cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -11 to 0°C. Rainfall is relatively light, with around 100mm over the season and a monthly average of 33mm. Expect around 91cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Kemmerer is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 15mm per month. By contrast, December can be quite cold with temperatures dropping to -11°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Kemmerer 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.