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Fairfield, CA Weather on May 27
May 27th in Fairfield, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 52°F — a 27°F daily swing. Over 55 years of records, the warmest May 27th was in 2020 (83°F average), while the coldest was 1977 (55°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 27th dates historically, with the wettest May 27th recording 1.93" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
What to Expect on May 27
Planning for May 27th in Fairfield, CA? Great weather for outdoor activities.
May 27 Weather Records for Fairfield
- •The all-time record high for May 27th in Fairfield, CA is 100°F, set in 1984.
- •The coldest May 27th on record dropped to 44°F in 1977.
- •Temperatures have reached 90°F or higher on May 27th in 9 of the last 55 years.
- •Last year (1971), May 27th was 13°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest May 27 ever in Fairfield?
The warmest May 27 in Fairfield, CA reached 100°F in 1984. That is 21°F above the long-term average high of 79°F.
What was the coldest May 27 ever in Fairfield?
The coldest May 27 in Fairfield, CA dropped to 44°F in 1977. That is 8°F below the long-term average low of 52°F.
What is the average temperature on May 27 in Fairfield?
On May 27, Fairfield averages a high of 79°F and a low of 52°F based on 55 years of NOAA weather observations from FAIRFIELD.
How many years of weather data are available for May 27 in Fairfield?
We have 55 years of weather records for May 27 in Fairfield, CA, 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 Fairfield
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 80°F | 53°F | 0" | -- |
| 2024 | 80°F | 55°F | 0" | -- |
| 2023 | 73°F | 52°F | -- | -- |
| 2022 | 72°F | 55°F | 0" | -- |
| 2021 | 83°F | 51°F | 0" | -- |
| 2020 | 99°F | 67°F | 0" | -- |
| 2019 | 70°F | 49°F | 0" | -- |
| 2018 | 85°F | 57°F | 0" | -- |
| 2017 | 76°F | 51°F | 0" | -- |
| 2016 | 88°F | 53°F | 0" | -- |
| 2015 | 76°F | 52°F | 0" | -- |
| 2014 | 83°F | 56°F | 0" | -- |
| 2013 | 66°F | 52°F | 0" | -- |
| 2012 | 74°F | 48°F | 0" | -- |
| 2011 | 70°F | 50°F | 0" | -- |
| 2010 | 67°F | 47°F | 0.84" | -- |
| 2009 | 90°F | 52°F | 0" | -- |
| 2008 | 67°F | 49°F | 0" | -- |
| 2007 | 83°F | 51°F | 0" | -- |
| 2006 | 69°F | 48°F | 0" | -- |
| 2005 | 86°F | 53°F | 0" | -- |
| 2004 | 79°F | 55°F | 0" | -- |
| 2003 | 95°F | 53°F | 0" | -- |
| 2002 | 76°F | 52°F | 0" | -- |
| 2001 | 74°F | 51°F | 0" | -- |
| 2000 | 83°F | 54°F | 0" | -- |
| 1999 | 83°F | 51°F | 0" | -- |
| 1998 | 65°F | 48°F | 0.2" | -- |
| 1997 | 90°F | 54°F | -- | -- |
| 1996 | 67°F | 50°F | -- | -- |
| 1995 | 78°F | 53°F | 0" | -- |
| 1994 | 72°F | 53°F | 0" | -- |
| 1993 | 71°F | 57°F | -- | -- |
| 1992 | 86°F | 58°F | 0" | -- |
| 1991 | 81°F | 49°F | 0" | -- |
| 1990 | 61°F | 56°F | 1.93" | -- |
| 1989 | 79°F | 52°F | 0" | -- |
| 1988 | 76°F | 53°F | 0" | -- |
| 1987 | 72°F | 50°F | 0" | -- |
| 1986 | 91°F | 50°F | 0" | -- |
| 1985 | 73°F | 50°F | 0" | -- |
| 1984 | 100°F | 56°F | 0" | -- |
| 1983 | 91°F | 52°F | 0" | -- |
| 1982 | 79°F | 51°F | 0" | -- |
| 1981 | 88°F | 52°F | 0" | -- |
| 1980 | 78°F | 49°F | 0" | -- |
| 1979 | 88°F | 53°F | 0" | -- |
| 1978 | 72°F | 52°F | 0" | -- |
| 1977 | 67°F | 44°F | 0" | -- |
| 1976 | 93°F | 53°F | 0" | -- |
| 1975 | 87°F | 56°F | 0" | -- |
| 1974 | 96°F | 59°F | 0" | -- |
| 1973 | 72°F | 50°F | 0" | -- |
| 1972 | 80°F | 48°F | 0" | -- |
| 1971 | 66°F | 51°F | 0.03" | -- |
Based on 55 years of data from NOAA station: FAIRFIELD
Monthly Climate Averages
Historical temperature and precipitation averages for Fairfield, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.