Waterbury, CT

Climate overview — based on NOAA 1991-2020 normals from THOMASTON DAM, CT US.

Year-round temperatures (°F)

0° 10° 20° 30° J F M A M J J A S O N D
Avg high Avg low

Best time to visit Waterbury

Full guide →

Climate change signal

All-time records →

165 of 366 (45.1%) of Waterbury'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
366
2020s
0

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 °F °F °F 3.43 in — —
February °F °F °F 3.21 in — —
March °F °F °F 4.20 in — —
April °F °F °F 4.51 in — —
May °F °F °F 4.29 in — —
June °F °F °F 4.47 in — —
July °F °F °F 4.72 in — —
August °F °F °F 4.39 in — —
September °F °F °F 4.60 in — —
October °F °F °F 5.38 in — —
November °F °F °F 4.02 in — —
December °F °F °F 4.74 in — —
Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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