Climate Overview
The climate in Gypsum is cool. The average annual temperature is 4°C and approximately 620mm of precipitation falls per year. February is the wettest month, receiving around 68mm of rainfall. Gypsum 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 -14°C. Gypsum experiences heavy snowfall, typically from January through December.
Temperature
Gypsum has a wide annual temperature range, spanning 39°C from the coldest to warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 17°C. The coldest month is December, when overnight lows fall to -14°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 13°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
Gypsum is a relatively dry area, receiving approximately 620mm of precipitation annually, which averages out to around 52mm per month. The wettest month is February, averaging 68mm of rainfall. April and March also tend to see above-average precipitation. The driest month is September, with just 27mm. That's 40mm less than February, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Gypsum receives heavy snowfall, accumulating around 390cm annually from January through December. The snowiest month is February, with approximately 66cm. Winter travel should account for significant snow cover.
Wind
Gypsum is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
7 days until Summer
It is currently spring in Gypsum, which began on March 20, 2026. Gypsum 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 December near -14°C. Summer is next, beginning on June 21, 2026 — 7 days from now.
Spring
Temperatures range from -6 to 13°C. Precipitation is moderate at around 188mm for the season, averaging 63mm per month. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 5 to 25°C. Rainfall is relatively light, with around 126mm over the season and a monthly average of 42mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -9 to 20°C. Rainfall is relatively light, with around 129mm over the season and a monthly average of 43mm. Expect around 77cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -14 to 0°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Expect around 176cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Gypsum is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 44mm per month. By contrast, December can be quite cold with temperatures dropping to -14°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Gypsum 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.