Climate Insights for Fitchburg

The climate in Fitchburg is temperate. The average annual temperature is 10°C and approximately 940mm of precipitation falls per year. Fitchburg receives a notable amount of rainfall throughout the year, including during its driest month. Fitchburg 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 February, January, December, when temperatures can drop to -6°C. Snowfall occurs from January to December, with around 145cm accumulating over the season.

Temperatures in Fitchburg vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 23°C. The coldest month is February, when overnight lows fall to -6°C and the daily average is -1°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Fitchburg is a moderately rainy area, receiving approximately 940mm of precipitation annually, which averages out to around 78mm per month. The wettest month is October, averaging 113mm of rainfall. February and December also tend to see above-average precipitation. The driest month is June, with just 52mm. That's 61mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 145cm accumulating over the season. December typically sees the most snow at around 61cm.

Fitchburg 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 February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Fitchburg, which began on June 21, 2026. Fitchburg 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 29°C, while the coldest stretch bottoms out in February near -6°C. Autumn is next, beginning on September 23, 2026 — 51 days from now.

The best time to visit Fitchburg 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 68mm per month. By contrast, February can be quite cold with temperatures dropping to -6°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Fitchburg 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.