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Waterbury, CT Weather on August 25
August 25th in Waterbury, CT typically brings warm summer weather, with average highs around 81°F and lows near 60°F. Over 52 years of records, the warmest August 25th was in 2022 (80°F average), while the coldest was 1987 (58°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 25th dates historically, with the wettest August 25th recording 1.11" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
What to Expect on August 25
Planning for August 25th in Waterbury, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
August 25 Weather Records for Waterbury
- •The all-time record high for August 25th in Waterbury, CT is 91°F, set in 2020.
- •The coldest August 25th on record dropped to 42°F in 1971.
- •Temperatures have reached 90°F or higher on August 25th in 2 of the last 52 years.
- •Last year (1971), August 25th was 6°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest August 25 ever in Waterbury?
The warmest August 25 in Waterbury, CT reached 91°F in 2020. That is 10°F above the long-term average high of 81°F.
What was the coldest August 25 ever in Waterbury?
The coldest August 25 in Waterbury, CT dropped to 42°F in 1971. That is 18°F below the long-term average low of 60°F.
What is the average temperature on August 25 in Waterbury?
On August 25, Waterbury averages a high of 81°F and a low of 60°F based on 52 years of NOAA weather observations from MT CARMEL.
How many years of weather data are available for August 25 in Waterbury?
We have 52 years of weather records for August 25 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.
August 25 Weather History in Waterbury
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 85°F | 68°F | 0" | -- |
| 2024 | 85°F | 63°F | 0.42" | -- |
| 2023 | 77°F | 71°F | 0.17" | -- |
| 2022 | 90°F | 71°F | 0" | -- |
| 2021 | 88°F | 68°F | 0" | -- |
| 2020 | 91°F | 67°F | 0" | -- |
| 2019 | 77°F | 59°F | 0" | -- |
| 2018 | 82°F | 58°F | 0" | -- |
| 2017 | 79°F | 59°F | 0" | -- |
| 2016 | 85°F | 61°F | 0" | -- |
| 2015 | 86°F | 67°F | 0" | -- |
| 2014 | 89°F | 58°F | 0" | -- |
| 2013 | 79°F | 52°F | 0" | -- |
| 2012 | 81°F | 66°F | 0" | -- |
| 2011 | 80°F | 73°F | 0.11" | -- |
| 2010 | 79°F | 64°F | 0.01" | -- |
| 2009 | 83°F | 67°F | 0" | -- |
| 2008 | 81°F | 65°F | 0.01" | -- |
| 2007 | 83°F | 71°F | 0" | -- |
| 2006 | 71°F | 63°F | 0" | -- |
| 2005 | 82°F | 54°F | 0" | -- |
| 2004 | 73°F | 55°F | 0" | -- |
| 2003 | 80°F | 59°F | 0" | -- |
| 2002 | 82°F | 58°F | 0.01" | -- |
| 2001 | 80°F | 56°F | 0.01" | -- |
| 2000 | 81°F | 54°F | 0.01" | -- |
| 1999 | 84°F | 59°F | 0" | -- |
| 1996 | 81°F | 61°F | 0" | -- |
| 1995 | 85°F | 54°F | 0" | -- |
| 1993 | 72°F | 59°F | 0.36" | -- |
| 1992 | 89°F | 62°F | 0" | -- |
| 1991 | 78°F | 54°F | 0" | -- |
| 1990 | 76°F | 67°F | 0.5" | -- |
| 1989 | 80°F | 50°F | 0" | -- |
| 1988 | 76°F | 56°F | 0.07" | -- |
| 1987 | 74°F | 43°F | 0" | -- |
| 1986 | 75°F | 54°F | 0" | -- |
| 1985 | 73°F | 69°F | 0.96" | -- |
| 1984 | 79°F | 58°F | 0" | -- |
| 1983 | 80°F | 52°F | 0" | -- |
| 1982 | 81°F | 58°F | 1.11" | -- |
| 1981 | 75°F | 60°F | 0" | -- |
| 1980 | 86°F | 66°F | 0" | -- |
| 1979 | 82°F | 72°F | 0.24" | -- |
| 1978 | 81°F | 55°F | 0.89" | -- |
| 1977 | 76°F | 51°F | 0" | -- |
| 1976 | 85°F | 58°F | 0" | -- |
| 1975 | 74°F | 65°F | 0.01" | -- |
| 1974 | 80°F | 58°F | 0" | -- |
| 1973 | 81°F | 55°F | 0" | -- |
| 1972 | 89°F | 65°F | 0" | -- |
| 1971 | 75°F | 42°F | 0" | -- |
Based on 52 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.