South Suffolk Weather in March
Average highs run from 55°F on March 1 to 64°F on March 31, and lows from 35°F to 43°F. Normal precipitation for the month is 4.07 in over about 11 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 59°F
- Average low
- 39°F
- Precipitation
- 4.07 in
- Snowfall
- 0.3 in
- Record high
- 88°FMar 12, 1990
- Record low
- 14°FMar 2, 1980
- Chance of a freeze
- 95%
- Daylight
- 11 h 24 min to 12 h 34 min
- Cloud cover
- 60%
- Humidity
- 80%
- Dew point
- 42°F
- Wind
- 11.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Mar 1 | 55°F | 35°F | 79°F 2017 | 17°F 1980 | 34% | 2% |
| Mar 2 | 56°F | 36°F | 80°F 1976 | 14°F 1980 | 34% | 2% |
| Mar 3 | 56°F | 36°F | 76°F 1974 | 14°F 1980 | 34% | 2% |
| Mar 4 | 56°F | 36°F | 83°F 1976 | 16°F 1950 | 34% | 2% |
| Mar 5 | 56°F | 36°F | 82°F 1961 | 20°F 1960 | 34% | 2% |
| Mar 6 | 57°F | 37°F | 82°F 1967 | 19°F 1960 | 34% | 2% |
| Mar 7 | 57°F | 37°F | 83°F 1974 | 18°F 2015 | 35% | 2% |
| Mar 8 | 57°F | 37°F | 85°F 2000 | 17°F 1986 | 35% | 2% |
| Mar 9 | 57°F | 37°F | 81°F 2000 | 15°F 1947 | 35% | 1% |
| Mar 10 | 58°F | 37°F | 84°F 2026 | 14°F 1947 | 35% | 1% |
| Mar 11 | 58°F | 38°F | 87°F 2026 | 19°F 1947 | 35% | 1% |
| Mar 12 | 58°F | 38°F | 88°F 1990 | 22°F 1947 | 35% | 1% |
| Mar 13 | 58°F | 38°F | 88°F 1990 | 23°F 1947 | 35% | 1% |
| Mar 14 | 59°F | 38°F | 87°F 1990 | 21°F 2014 | 35% | 1% |
| Mar 15 | 59°F | 39°F | 84°F 1973 | 20°F 1993 | 35% | 1% |
| Mar 16 | 59°F | 39°F | 84°F 1990 | 19°F 1949 | 35% | 1% |
| Mar 17 | 60°F | 39°F | 84°F 1990 | 25°F 1954 | 35% | 1% |
| Mar 18 | 60°F | 39°F | 81°F 2011 | 22°F 1967 | 35% | 1% |
| Mar 19 | 60°F | 40°F | 82°F 2020 | 20°F 1967 | 35% | 1% |
| Mar 20 | 60°F | 40°F | 83°F 2020 | 24°F 1967 | 35% | 1% |
| Mar 21 | 61°F | 40°F | 85°F 1952 | 23°F 1965 | 35% | 1% |
| Mar 22 | 61°F | 40°F | 82°F 1968 | 21°F 1986 | 35% | 1% |
| Mar 23 | 61°F | 41°F | 83°F 2012 | 25°F 1947 | 35% | 1% |
| Mar 24 | 62°F | 41°F | 82°F 1975 | 25°F 2014 | 35% | 1% |
| Mar 25 | 62°F | 41°F | 85°F 1954 | 22°F 1956 | 35% | 1% |
| Mar 26 | 62°F | 41°F | 80°F 1946 | 27°F 1947 | 36% | 1% |
| Mar 27 | 63°F | 42°F | 85°F 2007 | 21°F 1955 | 36% | 0% |
| Mar 28 | 63°F | 42°F | 85°F 1991 | 27°F 1955 | 36% | 0% |
| Mar 29 | 64°F | 42°F | 87°F 1985 | 25°F 1959 | 36% | 0% |
| Mar 30 | 64°F | 43°F | 86°F 1998 | 26°F 2015 | 36% | 0% |
| Mar 31 | 64°F | 43°F | 82°F 1979 | 25°F 1964 | 36% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 6:37 AM, sunset 6:01 PM
- March 31
- sunrise 6:54 AM, sunset 7:28 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00448192 (Suffolk Lake Kilby), public domain. Records: NOAA GHCN-Daily, station USC00448192, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.