Climate Insights for Hayfork

The climate in Hayfork is temperate. The average annual temperature is 12°C and approximately 932mm of precipitation falls per year. January is the wettest month, receiving around 218mm of rainfall. Hayfork 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, February, January, when temperatures can drop to 0°C. Hayfork experiences heavy snowfall, typically from January through December.

Temperatures in Hayfork vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 23°C. December is the coolest month, with minimum temperatures around 0°C and an average of 4°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 5°C shift in average temperatures.

Hayfork is a moderately rainy area, receiving approximately 932mm of precipitation annually, which averages out to around 78mm per month. The wettest month is January, averaging 218mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 218mm 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. Hayfork receives heavy snowfall, accumulating around 204cm annually from January through December. The snowiest month is January, with approximately 73cm. Winter travel should account for significant snow cover.

Hayfork 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 June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 1km/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.

It is currently spring in Hayfork, which began on March 20, 2026. Hayfork 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 32°C, while the coldest stretch bottoms out in December near 0°C. Summer is next, beginning on June 21, 2026 — 4 days from now.

The best time to visit Hayfork is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 6mm per month. By contrast, December can be quite cold with temperatures dropping to 0°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Hayfork 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.