Weather on March 31
Hartford, CT
55 Years of Data
Avg High
55°F
Avg Low
36°F
Warmest
1977
67°F avg
Coldest
1997
34°F avg
About This Date
March 31st in Hartford, CT typically brings cool spring weather, with average highs around 55°F and lows near 36°F. Over 56 years of records, the warmest March 31st was in 1977 (67°F average), while the coldest was 1997 (34°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 46% of March 31st dates historically, with the wettest March 31st recording 3.66" of rain. The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Hartford, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 79° | 53° | 66° | 0.08" | — |
| 2025 | 64° | 42° | 53° | 0.66" | — |
| 2024 | 60° | 43° | 51° | — | — |
| 2023 | 51° | 27° | 39° | — | — |
| 2022 | 64° | 39° | 52° | 0.97" | — |
| 2021 | 64° | 44° | 54° | 0.43" | — |
| 2020 | 51° | 37° | 44° | — | — |
| 2019 | 61° | 37° | 49° | 1.22" | — |
| 2018 | 59° | 38° | 48° | — | — |
| 2017 | 41° | 33° | 37° | 2.46" | — |
| 2016 | 70° | 45° | 57° | 0.05" | — |
| 2015 | 48° | 29° | 39° | 0.05" | — |
| 2014 | 42° | 33° | 38° | 1.4" | — |
| 2013 | 57° | 29° | 43° | 0.36" | — |
| 2012 | 46° | 34° | 40° | 0.41" | — |
| 2011 | 48° | 35° | 42° | 0.38" | — |
| 2010 | 53° | 48° | 51° | 0.23" | — |
| 2009 | 61° | 37° | 49° | — | — |
| 2008 | 53° | 29° | 41° | 0.74" | — |
| 2007 | 56° | 36° | 46° | — | — |
| 2006 | 70° | 39° | 54° | — | — |
| 2005 | 59° | 32° | 46° | — | — |
| 2004 | 45° | 39° | 42° | 3.66" | — |
| 2003 | 41° | 29° | 35° | — | — |
| 2002 | 63° | 44° | 53° | 0.23" | — |
| 2001 | 46° | 31° | 38° | — | — |
| 2000 | 55° | 30° | 43° | — | — |
| 1999 | 58° | 38° | 48° | — | — |
| 1998 | 79° | 52° | 65° | — | — |
| 1997coldest | 62° | 6° | 34° | 0.64" | — |
| 1996 | 53° | 29° | 41° | — | — |
| 1995 | 51° | 35° | 43° | — | — |
| 1994 | 55° | 38° | 46° | — | — |
| 1993 | 63° | 37° | 50° | 0.3" | — |
| 1992 | 56° | 30° | 43° | — | — |
| 1991 | 45° | 27° | 36° | — | — |
| 1990 | 37° | 32° | 35° | 1.22" | — |
| 1989 | 41° | 35° | 38° | 2.79" | — |
| 1988 | 59° | 37° | 48° | — | — |
| 1987 | 60° | 51° | 56° | 2.64" | — |
| 1986 | 71° | 42° | 57° | — | — |
| 1985 | 56° | 38° | 47° | — | — |
| 1984 | 41° | 28° | 35° | 0.05" | — |
| 1983 | 45° | 28° | 36° | — | — |
| 1982 | 64° | 34° | 49° | — | — |
| 1981 | 64° | 54° | 59° | 0.33" | — |
| 1980 | 52° | 36° | 44° | — | — |
| 1979 | 61° | 46° | 53° | — | — |
| 1978 | 50° | 29° | 39° | — | — |
| 1977warmest | 82° | 52° | 67° | — | — |
| 1976 | 60° | 36° | 48° | — | — |
| 1975 | 45° | 30° | 37° | 0.41" | — |
| 1974 | 45° | 29° | 37° | 0.76" | — |
| 1973 | 52° | 37° | 44° | 0.33" | — |
| 1972 | 44° | 34° | 39° | — | — |
| 1971 | 46° | 29° | 37° | — | — |
56 years of data from HARTFORD BRAINARD FLD