Jackson weather in May: Jackson, Mississippi: normal highs, lows, rain and records for May
Jackson in May has a normal high of 84°F and a normal low of 62°F, a daily mean of 73°F, rising from 80°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 4.36 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 111 mm of precipitation in May.
- NOAA stationJackson International Airport
- Station IDUSW00003940
- Location32.32°N 90.08°W
- Elevation330 ft (101 m)
- From the center8 miles
- Population141,449
- Jan 57° 37°
- Feb 62° 40°
- Mar 69° 46°
- Apr 77° 53°
- May 84° 62°
- Jun 90° 69°
- Jul 92° 72°
- Aug 92° 72°
- Sep 88° 66°
- Oct 78° 54°
- Nov 67° 44°
- Dec 60° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jackson in May?
The normal high is 84°F and the normal low 62°F, for a daily mean of 72.9°F. May is 8.0°F warmer than April and 6.7°F cooler than June. May is the 5th warmest month of the year in Jackson and the 10th wettest. Across the month the normal high rises 8°F, from 80°F on May 1 to 88°F on May 31. From one year to the next May's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Mays in three average between 71°F and 75°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 80°F | 58°F | 28% | 20% |
| May 8 | 82°F | 60°F | 28% | 19% |
| May 15 | 84°F | 62°F | 28% | 20% |
| May 22 | 85°F | 64°F | 29% | 20% |
| May 31 | 88°F | 66°F | 30% | 21% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 80°F | 58°F | 28% | 20% | 13 h 30 min |
| May 2 | 80°F | 58°F | 28% | 20% | 13 h 30 min |
| May 3 | 81°F | 58°F | 28% | 20% | 13 h 30 min |
| May 4 | 81°F | 59°F | 28% | 20% | 13 h 30 min |
| May 5 | 81°F | 59°F | 28% | 20% | 13 h 30 min |
| May 6 | 81°F | 59°F | 28% | 19% | 13 h 30 min |
| May 7 | 82°F | 59°F | 28% | 19% | 13 h 40 min |
| May 8 | 82°F | 60°F | 28% | 19% | 13 h 40 min |
| May 9 | 82°F | 60°F | 28% | 19% | 13 h 40 min |
| May 10 | 82°F | 60°F | 28% | 19% | 13 h 40 min |
| May 11 | 83°F | 61°F | 28% | 19% | 13 h 40 min |
| May 12 | 83°F | 61°F | 28% | 19% | 13 h 40 min |
| May 13 | 83°F | 61°F | 28% | 19% | 13 h 40 min |
| May 14 | 83°F | 62°F | 28% | 20% | 13 h 50 min |
| May 15 | 84°F | 62°F | 28% | 20% | 13 h 50 min |
| May 16 | 84°F | 62°F | 28% | 20% | 13 h 50 min |
| May 17 | 84°F | 63°F | 29% | 20% | 13 h 50 min |
| May 18 | 84°F | 63°F | 29% | 20% | 13 h 50 min |
| May 19 | 85°F | 63°F | 29% | 20% | 13 h 50 min |
| May 20 | 85°F | 63°F | 29% | 20% | 13 h 50 min |
| May 21 | 85°F | 64°F | 29% | 20% | 14 h |
| May 22 | 85°F | 64°F | 29% | 20% | 14 h |
| May 23 | 86°F | 64°F | 29% | 20% | 14 h |
| May 24 | 86°F | 65°F | 29% | 20% | 14 h |
| May 25 | 86°F | 65°F | 29% | 20% | 14 h |
| May 26 | 86°F | 65°F | 30% | 20% | 14 h |
| May 27 | 87°F | 65°F | 30% | 20% | 14 h |
| May 28 | 87°F | 66°F | 30% | 21% | 14 h |
| May 29 | 87°F | 66°F | 30% | 21% | 14 h |
| May 30 | 87°F | 66°F | 30% | 21% | 14 h 10 min |
| May 31 | 88°F | 66°F | 30% | 21% | 14 h 10 min |
- Normal high
- 84°FMay average
- Normal low
- 62°FMay average
- Precipitation
- 4.36 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 13 h 30 min to 14 h 10 minMay 1 to May 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 24
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003940; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jackson in May?
On a given May day the chance of 0.01 inch or more is 29% on average, highest around May 31 (30%). In all, 4.36 in falls on 9 days of a normal May, 2 of them with an inch or more.
In a normal May in Jackson, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003940.
How humid and windy is Jackson in May?
At 3 p.m. the normal temperature is 85°F with 52% relative humidity and a dew point of 66°F; at 6 a.m. it is 69°F with 90% humidity. The wind averages 5.2 mph, most often from the south-southwest in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 69°F | 66°F | 90% | 3.3 mph | 52% |
| 9 a.m. | 78°F | 67°F | 69% | 6.6 mph | 44% |
| noon | 84°F | 66°F | 55% | 7.5 mph | 36% |
| 3 p.m. | 85°F | 66°F | 52% | 8.0 mph | 43% |
| 6 p.m. | 81°F | 66°F | 60% | 6.2 mph | 57% |
| 9 p.m. | 74°F | 67°F | 80% | 4.1 mph | 72% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003940. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Jackson?
The warmest May temperature on Jackson's official record (since 1896) is 100°F, on May 28, 1911; the coldest is 36°F, on May 4, 2013. The wettest May brought 12.23 in (1909).
The May mean against the 1991-2020 normal of 72.9°F: 2021 71.5°F (−1.4), 2022 75.8°F (+2.9), 2023 74.0°F (+1.1), 2024 76.7°F (+3.8), 2025 74.5°F (+1.6), 2026 72.5°F (−0.4). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.5°F | −1.4°F | 5.97 in |
| 2022 | 75.8°F | +2.9°F | 5.81 in |
| 2023 | 74.0°F | +1.1°F | 1.88 in |
| 2024 | 76.7°F | +3.8°F | 7.32 in |
| 2025 | 74.5°F | +1.6°F | 11.75 in |
| 2026 | 72.5°F | −0.4°F | 4.26 in |
Source: records: ACIS, NWS threaded record JANthr; recent months: ACIS, station USW00003940. Records and recent months use complete months only.
How does May in Jackson compare across Mississippi?
Across the 81 places PlainClimate covers in Mississippi, May normal highs run from 79°F in Independence to 88°F in Monticello; Jackson's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.