Basilemorin / CC0
Hartford, CT Weather on May 27
May 27th in Hartford, CT typically brings pleasant spring weather, with average highs around 75°F and lows near 53°F. Over 55 years of records, the warmest May 27th was in 2016 (78°F average), while the coldest was 1997 (47°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 27th dates historically, with the wettest May 27th recording 2.24" of rain. The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
What to Expect on May 27
Planning for May 27th in Hartford, CT? Great weather for outdoor activities.
May 27 Weather Records for Hartford
- •The all-time record high for May 27th in Hartford, CT is 90°F, set in 1991.
- •The coldest May 27th on record dropped to 24°F in 1997.
- •Temperatures have reached 90°F or higher on May 27th in 1 of the last 55 years.
- •A freeze (32°F or below) has occurred on May 27th in 1 of the last 55 years.
- •Last year (1971), May 27th was 5°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest May 27 ever in Hartford?
The warmest May 27 in Hartford, CT reached 90°F in 1991. That is 15°F above the long-term average high of 75°F.
What was the coldest May 27 ever in Hartford?
The coldest May 27 in Hartford, CT dropped to 24°F in 1997. That is 29°F below the long-term average low of 53°F.
What is the average temperature on May 27 in Hartford?
On May 27, Hartford averages a high of 75°F and a low of 53°F based on 55 years of NOAA weather observations from HARTFORD BRAINARD FLD.
How many years of weather data are available for May 27 in Hartford?
We have 55 years of weather records for May 27 in Hartford, CT, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 27 Weather History in Hartford
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 47°F | 0" | -- |
| 2024 | 75°F | 67°F | 1.47" | -- |
| 2023 | 81°F | 46°F | 0" | -- |
| 2022 | 80°F | 63°F | 0" | -- |
| 2021 | 79°F | 61°F | 0.05" | -- |
| 2020 | 82°F | 61°F | 0" | -- |
| 2019 | 80°F | 59°F | 0" | -- |
| 2018 | 71°F | 51°F | 0.2" | -- |
| 2017 | 70°F | 58°F | 0" | -- |
| 2016 | 89°F | 66°F | 0" | -- |
| 2015 | 83°F | 65°F | 0.13" | -- |
| 2014 | 86°F | 52°F | 0.94" | -- |
| 2013 | 74°F | 43°F | 0" | -- |
| 2012 | 84°F | 63°F | 0" | -- |
| 2011 | 88°F | 64°F | 0" | -- |
| 2010 | 77°F | 59°F | 0" | -- |
| 2009 | 62°F | 49°F | 0.23" | -- |
| 2008 | 82°F | 57°F | 0.13" | -- |
| 2007 | 80°F | 59°F | 0" | -- |
| 2006 | 83°F | 61°F | 0.03" | -- |
| 2005 | 77°F | 53°F | 1.07" | -- |
| 2004 | 76°F | 55°F | 0.61" | -- |
| 2003 | 68°F | 50°F | 0" | -- |
| 2002 | 80°F | 57°F | 0" | -- |
| 2001 | 70°F | 57°F | 0.08" | -- |
| 2000 | 73°F | 50°F | 0" | -- |
| 1999 | 69°F | -- | 0" | -- |
| 1998 | 79°F | 54°F | 0" | -- |
| 1997 | 69°F | 24°F | 0" | -- |
| 1996 | 70°F | 54°F | 0" | -- |
| 1995 | 76°F | 48°F | 0" | -- |
| 1994 | 59°F | 40°F | 0" | -- |
| 1993 | 67°F | 47°F | 0" | -- |
| 1992 | 66°F | 44°F | 0" | -- |
| 1991 | 90°F | 58°F | 0" | -- |
| 1990 | 71°F | 47°F | 0" | -- |
| 1989 | 75°F | 52°F | 0.46" | -- |
| 1988 | 67°F | 49°F | 0" | -- |
| 1987 | 70°F | 50°F | 0.25" | -- |
| 1986 | 76°F | 51°F | 0" | -- |
| 1985 | 79°F | 59°F | 0" | -- |
| 1984 | 82°F | 51°F | 0.2" | -- |
| 1983 | 64°F | 49°F | 2.24" | -- |
| 1982 | 83°F | 54°F | 0" | -- |
| 1981 | 87°F | 64°F | 0" | -- |
| 1980 | 72°F | 43°F | 0" | -- |
| 1979 | 74°F | 56°F | 0" | -- |
| 1978 | 78°F | 57°F | 0" | -- |
| 1977 | 78°F | 48°F | 0" | -- |
| 1976 | 61°F | 46°F | 0" | -- |
| 1975 | 71°F | 52°F | 0" | -- |
| 1974 | 63°F | 50°F | 0" | -- |
| 1973 | 56°F | 46°F | 0.03" | -- |
| 1972 | 76°F | 38°F | 0" | -- |
| 1971 | 70°F | 43°F | 0" | -- |
Based on 55 years of data from NOAA station: HARTFORD BRAINARD FLD
Monthly Climate Averages
Historical temperature and precipitation averages for Hartford, CT, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.