Fitchburg, MA

Climate overview — based on NOAA 1991-2020 normals from FITCHBURG COOP, MA US.

Dfb Warm-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Fitchburg has an annual average temperature of 47.6°F with about 49.6 inches of precipitation per year. The warmest month is July (average high 80.6°F), and the coldest is February (average low 14.3°F). October is typically the wettest month (5.31 in) and February the driest (3.30 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
46.7°F
warmest to coldest month
Heating need
6,594
Cooling need
312

Best time to visit Fitchburg

Full guide →

Climate change signal

All-time records →

366 of 366 (100%) of Fitchburg's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

2010s
36
2020s
330

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 33.5°F 14.6°F 24.1°F 3.52 in
February 35.1°F 14.3°F 24.7°F 3.30 in
March 43.8°F 23.2°F 33.5°F 4.35 in
April 57.1°F 34.6°F 45.9°F 4.19 in
May 67.1°F 46.1°F 56.6°F 3.70 in
June 75.8°F 55.3°F 65.6°F 4.27 in
July 80.6°F 60.9°F 70.8°F 3.69 in
August 78.9°F 59.1°F 69.0°F 4.28 in
September 73.2°F 51.4°F 62.3°F 4.25 in
October 59.9°F 38.8°F 49.4°F 5.31 in
November 47.7°F 30.7°F 39.2°F 3.88 in
December 37.4°F 21.5°F 29.5°F 4.86 in

Climate twins of Fitchburg

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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