McNairy County Weather in March
Average highs run from 58°F on March 1 to 68°F on March 31, and lows from 36°F to 44°F. Normal precipitation for the month is 5.75 in over about 12 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
- 63°F
- Average low
- 40°F
- Precipitation
- 5.75 in
- Snowfall
- 0.2 in
- Record high
- 89°FMar 16, 2016
- Record low
- 7°FMar 3, 1980
- Chance of a freeze
- 98%
- Daylight
- 11 h 26 min to 12 h 33 min
- Cloud cover
- 63%
- Humidity
- 82%
- Dew point
- 45°F
- Wind
- 6.0 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 | 58°F | 36°F | 78°F 2023 | 12°F 1968 | 39% | 1% |
| Mar 2 | 58°F | 36°F | 82°F 1997 | 11°F 1980 | 39% | 0% |
| Mar 3 | 58°F | 37°F | 82°F 2012 | 7°F 1980 | 39% | 0% |
| Mar 4 | 59°F | 37°F | 81°F 2022 | 12°F 1968 | 39% | 0% |
| Mar 5 | 59°F | 37°F | 80°F 1976 | 8°F 1978 | 39% | 0% |
| Mar 6 | 59°F | 37°F | 79°F 2026 | 8°F 2015 | 39% | 0% |
| Mar 7 | 60°F | 38°F | 80°F 2022 | 14°F 1966 | 38% | 0% |
| Mar 8 | 60°F | 38°F | 80°F 2000 | 14°F 1996 | 38% | 0% |
| Mar 9 | 60°F | 38°F | 82°F 1974 | 10°F 1996 | 38% | 0% |
| Mar 10 | 61°F | 38°F | 81°F 1974 | 15°F 1969 | 38% | 0% |
| Mar 11 | 61°F | 39°F | 82°F 2026 | 12°F 1969 | 38% | 0% |
| Mar 12 | 61°F | 39°F | 81°F 1967 | 15°F 1998 | 38% | 0% |
| Mar 13 | 62°F | 39°F | 85°F 1967 | 18°F 1969 | 38% | 0% |
| Mar 14 | 62°F | 39°F | 85°F 1967 | 12°F 1993 | 38% | 0% |
| Mar 15 | 62°F | 40°F | 86°F 2012 | 17°F 1970 | 38% | 0% |
| Mar 16 | 63°F | 40°F | 89°F 2016 | 16°F 1970 | 37% | 0% |
| Mar 17 | 63°F | 40°F | 80°F 1963 | 19°F 1970 | 37% | 0% |
| Mar 18 | 64°F | 40°F | 84°F 1982 | 19°F 1967 | 37% | 0% |
| Mar 19 | 64°F | 41°F | 85°F 1982 | 21°F 1965 | 37% | 0% |
| Mar 20 | 64°F | 41°F | 84°F 1982 | 12°F 1965 | 37% | 0% |
| Mar 21 | 65°F | 41°F | 88°F 2012 | 12°F 1965 | 37% | 0% |
| Mar 22 | 65°F | 41°F | 87°F 2026 | 17°F 1986 | 37% | 0% |
| Mar 23 | 65°F | 42°F | 89°F 2026 | 12°F 1968 | 36% | 0% |
| Mar 24 | 66°F | 42°F | 83°F 2007 | 13°F 1968 | 36% | 0% |
| Mar 25 | 66°F | 42°F | 84°F 2007 | 17°F 1966 | 36% | 0% |
| Mar 26 | 66°F | 42°F | 86°F 2007 | 20°F 1966 | 36% | 0% |
| Mar 27 | 67°F | 43°F | 87°F 2020 | 19°F 1969 | 36% | 0% |
| Mar 28 | 67°F | 43°F | 84°F 2012 | 21°F 1966 | 36% | 0% |
| Mar 29 | 67°F | 43°F | 85°F 2020 | 21°F 1966 | 36% | 0% |
| Mar 30 | 68°F | 44°F | 86°F 1963 | 18°F 1964 | 36% | 0% |
| Mar 31 | 68°F | 44°F | 88°F 1963 | 22°F 1964 | 36% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- March 1
- sunrise 6:24 AM, sunset 5:50 PM
- March 31
- sunrise 6:42 AM, sunset 7:15 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00408160 (Selmer), public domain. Records: NOAA GHCN-Daily, station USC00408160, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.