Climate Insights for Hayfork

The climate in Hayfork is temperate. The average annual temperature is 12°C and approximately 1002mm of precipitation falls per year. January is the wettest month, receiving around 204mm 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, September. The coldest months are December, February, January, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 163cm accumulating over the season.

Temperatures in Hayfork vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 23°C. December is the coolest month, with minimum temperatures around 0°C and an average of 3°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Hayfork is a moderately rainy area, receiving approximately 1002mm of precipitation annually, which averages out to around 84mm per month. The wettest month is January, averaging 204mm of rainfall. December and March also tend to see above-average precipitation. The driest month is July, with just 6mm. That's 198mm 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 163cm accumulating over the season. January typically sees the most snow at around 41cm.

Hayfork is relatively calm, with an average annual wind speed of 10km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap 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 31°C, while the coldest stretch bottoms out in December near 0°C. Summer is next, beginning on June 21, 2026 — 82 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 20°C with modest rainfall averaging 11mm 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.