Weather on June 30
Waterbury, CT
55 Years of Data
About This Date
June 30th in Waterbury, CT typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 50 years of records, the warmest June 30th was in 2021 (83°F average), while the coldest was 1988 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 34% of June 30th dates historically, with the wettest June 30th recording 5" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Waterbury, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 67° | 78° | — | — |
| 2024 | 84° | 70° | 77° | 1.17" | — |
| 2023 | 83° | 64° | 73° | — | — |
| 2022 | 84° | 62° | 73° | — | — |
| 2021warmest | 93° | 74° | 83° | 0.05" | — |
| 2020 | 80° | 62° | 71° | 0.1" | — |
| 2019 | 87° | 66° | 77° | — | — |
| 2018 | 89° | 68° | 79° | — | — |
| 2017 | 79° | 63° | 71° | — | — |
| 2016 | 85° | 63° | 74° | — | — |
| 2015 | 76° | 58° | 67° | — | — |
| 2014 | 82° | 68° | 75° | — | — |
| 2013 | 81° | 71° | 76° | — | — |
| 2012 | 91° | 68° | 80° | — | — |
| 2011 | 78° | 62° | 70° | — | — |
| 2010 | 78° | 59° | 69° | — | — |
| 2009 | 81° | 61° | 71° | — | — |
| 2008 | 83° | 72° | 77° | 0.13" | — |
| 2007 | 78° | 60° | 69° | — | — |
| 2006 | 80° | 63° | 71° | — | — |
| 2005 | 77° | 69° | 73° | 0.08" | — |
| 2004 | 80° | 59° | 70° | — | — |
| 2003 | 82° | 65° | 73° | 0.03" | — |
| 2002 | 81° | 63° | 72° | — | — |
| 2001 | 91° | 66° | 79° | — | — |
| 2000 | 80° | 59° | 70° | 0.03" | — |
| 1996 | 74° | 58° | 66° | 0.46" | — |
| 1995 | 83° | 52° | 67° | — | — |
| 1992 | 82° | 60° | 71° | — | — |
| 1991 | 95° | 62° | 79° | 1.02" | — |
| 1990 | 83° | 66° | 74° | 2.79" | — |
| 1989 | 81° | 54° | 67° | — | — |
| 1988coldest | 74° | 43° | 58° | 0.13" | — |
| 1987 | 88° | 68° | 78° | — | — |
| 1986 | 77° | 57° | 67° | — | — |
| 1985 | 79° | 56° | 67° | — | — |
| 1984 | 72° | 63° | 67° | 0.3" | — |
| 1983 | 89° | 53° | 71° | — | — |
| 1982 | 79° | 63° | 71° | 0.51" | — |
| 1981 | 85° | 52° | 68° | — | — |
| 1980 | 75° | 59° | 67° | 3.35" | — |
| 1979 | 79° | 66° | 72° | 1.52" | — |
| 1978 | 84° | 67° | 75° | — | — |
| 1977 | 83° | 56° | 69° | — | — |
| 1976 | 84° | 64° | 74° | — | — |
| 1975 | 78° | 61° | 69° | — | — |
| 1974 | 80° | 56° | 68° | — | — |
| 1973 | 75° | 68° | 72° | 3.48" | — |
| 1972 | 73° | 63° | 68° | 5" | — |
| 1971 | 90° | 66° | 78° | — | — |
Waterbury, CT Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Waterbury, CT Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Waterbury, CT Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Waterbury, CT
Waterbury, CT has no months that meet our "pleasant" threshold — every season has tradeoffs.