Climate Insights for Fillmore

The climate in Fillmore is cool. The average annual temperature is 10°C and approximately 409mm of precipitation falls per year. March is the wettest month, receiving around 63mm of rainfall. Fillmore 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 -9°C. Snowfall occurs from January to December, with around 142cm accumulating over the season.

Fillmore has a wide annual temperature range, spanning 42°C from the coldest to warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 25°C. The coldest month is December, when overnight lows fall to -9°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

Fillmore is a relatively dry area, receiving approximately 409mm of precipitation annually, which averages out to around 34mm per month. The wettest month is March, averaging 63mm of rainfall. January and December also tend to see above-average precipitation. The driest month is June, with just 9mm. That's 53mm less than March, 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 142cm accumulating over the season. March typically sees the most snow at around 28cm.

Fillmore is mildly breezy, with an average annual wind speed of 14km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 10km/h in winter, 15km/h in spring, 16km/h in summer, 13km/h in autumn.

It is currently spring in Fillmore, which began on March 20, 2026. Fillmore 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 33°C, while the coldest stretch bottoms out in December near -9°C. Summer is next, beginning on June 21, 2026 — 85 days from now.

The best time to visit Fillmore is during June, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 16mm per month. By contrast, July can be uncomfortably hot with highs reaching 33°C, while December is the coldest period with lows dropping to -9°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Fillmore 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.