Climate Overview
The climate in Prineville Airport is cool. The average annual temperature is 9°C and approximately 520mm of precipitation falls per year. January is the wettest month, receiving around 77mm of rainfall. Prineville Airport 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 December, January, February, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 160cm accumulating over the season.
Temperature
Temperatures in Prineville Airport vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 21°C. The coldest month is December, when overnight lows fall to -4°C and the daily average is -1°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 7°C shift in average temperatures.
Precipitation
Prineville Airport is a relatively dry area, receiving approximately 520mm of precipitation annually, which averages out to around 43mm per month. The wettest month is January, averaging 77mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 4mm. That's 72mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 160cm accumulating over the season. February typically sees the most snow at around 42cm.
Wind
Prineville Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 3km/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 1km/h between the calmest and windiest months.
Seasons
76 days until Autumn
It is currently summer in Prineville Airport, which began on June 21, 2026. Prineville Airport 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 31°C, while the coldest stretch bottoms out in December near -4°C. Autumn is next, beginning on September 23, 2026 — 76 days from now.
Spring
Temperatures range from -1 to 21°C. Precipitation is moderate at around 160mm for the season, averaging 53mm per month. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 9 to 31°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 25°C. Rainfall is relatively light, with around 121mm over the season and a monthly average of 40mm. Expect around 20cm 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 -4 to 7°C. Precipitation is moderate at around 208mm for the season, averaging 69mm per month. Expect around 111cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Prineville Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 12mm per month. By contrast, December can be quite cold with temperatures dropping to -4°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 Prineville Airport 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.
