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Waterbury, CT Weather on April 11
April 11th in Waterbury, CT typically brings cool spring weather, with average highs around 56°F and lows near 37°F. Over 54 years of records, the warmest April 11th was in 2010 (60°F average), while the coldest was 2018 (34°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 37% of April 11th dates historically, with the wettest April 11th recording 3.3" of rain. The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
What to Expect on April 11
Planning for April 11th in Waterbury, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
April 11 Weather Records for Waterbury
- •The all-time record high for April 11th in Waterbury, CT is 74°F, set in 2017.
- •The coldest April 11th on record dropped to 24°F in 2018.
- •A freeze (32°F or below) has occurred on April 11th in 14 of the last 54 years.
- •Last year (1971), April 11th was 5°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 11 ever in Waterbury?
The warmest April 11 in Waterbury, CT reached 74°F in 2017. That is 18°F above the long-term average high of 56°F.
What was the coldest April 11 ever in Waterbury?
The coldest April 11 in Waterbury, CT dropped to 24°F in 2018. That is 13°F below the long-term average low of 37°F.
What is the average temperature on April 11 in Waterbury?
On April 11, Waterbury averages a high of 56°F and a low of 37°F based on 54 years of NOAA weather observations from MT CARMEL.
How many years of weather data are available for April 11 in Waterbury?
We have 54 years of weather records for April 11 in Waterbury, CT, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 11 Weather History in Waterbury
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 52°F | 40°F | 0.38" | -- |
| 2024 | 58°F | 49°F | 0.81" | -- |
| 2023 | 71°F | 36°F | 0" | -- |
| 2022 | 58°F | 41°F | 0" | -- |
| 2021 | 58°F | 50°F | 0.1" | -- |
| 2020 | 49°F | 39°F | 0" | -- |
| 2019 | 56°F | 32°F | 0" | -- |
| 2018 | 44°F | 24°F | 0.15" | -- |
| 2017 | 74°F | 43°F | 0" | -- |
| 2016 | 49°F | 38°F | 0.08" | -- |
| 2015 | 52°F | 38°F | 0.03" | -- |
| 2014 | 68°F | 45°F | 0" | -- |
| 2013 | 64°F | 47°F | 0" | -- |
| 2012 | 57°F | 40°F | 0.03" | -- |
| 2011 | 61°F | 46°F | 0" | -- |
| 2010 | 72°F | 48°F | 0" | -- |
| 2009 | 50°F | 40°F | 1.9" | -- |
| 2008 | 56°F | 45°F | 0.18" | -- |
| 2007 | 49°F | 27°F | 0" | -- |
| 2006 | 60°F | 30°F | 0" | -- |
| 2005 | 58°F | 36°F | 0" | -- |
| 2004 | 48°F | 34°F | 0" | -- |
| 2003 | 43°F | 38°F | 1.6" | -- |
| 2002 | 54°F | 40°F | 0" | -- |
| 2001 | 54°F | 36°F | 0.03" | -- |
| 2000 | 42°F | 29°F | 0" | -- |
| 1998 | 52°F | 28°F | 0" | -- |
| 1997 | 26°F | 44°F | 0" | -- |
| 1996 | 59°F | 36°F | 0" | -- |
| 1995 | 56°F | 29°F | 0" | -- |
| 1994 | 61°F | 40°F | 0.18" | -- |
| 1993 | 57°F | 47°F | 0.33" | -- |
| 1992 | 61°F | 35°F | 0.13" | -- |
| 1991 | 69°F | 38°F | 0" | -- |
| 1990 | 60°F | 50°F | 0.58" | -- |
| 1989 | 47°F | 29°F | 0" | -- |
| 1988 | 49°F | 41°F | 0" | -- |
| 1987 | 71°F | 39°F | 0" | -- |
| 1986 | 45°F | 32°F | 0.18" | -- |
| 1985 | 54°F | 35°F | 0" | -- |
| 1984 | 60°F | 38°F | 0" | -- |
| 1983 | 57°F | 41°F | 3.3" | -- |
| 1982 | 51°F | 30°F | 0.05" | -- |
| 1981 | 67°F | 45°F | 0.08" | -- |
| 1980 | 64°F | 42°F | 0" | -- |
| 1979 | 62°F | 34°F | 0" | -- |
| 1978 | 57°F | 40°F | 0" | -- |
| 1977 | 51°F | 29°F | 0" | -- |
| 1976 | 61°F | 37°F | 0" | -- |
| 1975 | 54°F | 30°F | 0" | -- |
| 1974 | 62°F | 29°F | 0" | -- |
| 1973 | 51°F | 34°F | 0" | -- |
| 1972 | 49°F | 28°F | 0.18" | -- |
| 1971 | 61°F | 33°F | 0" | -- |
Based on 54 years of data from NOAA station: MT CARMEL
Monthly Climate Averages
Historical temperature and precipitation averages for Waterbury, CT, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.