Jefferson City weather in May: Jefferson City, Missouri: normal highs, lows, rain and records for May
Jefferson City in May has a normal high of 77°F and a normal low of 55°F, a daily mean of 66°F, rising from 73°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 4.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 13°C, 124 mm of precipitation in May.
- NOAA stationJefferson City Memorial Airport
- Station IDUSW00003963
- Location38.59°N 92.16°W
- Elevation573 ft (175 m)
- Population42,564
- Jan 41° 23°
- Feb 47° 26°
- Mar 58° 35°
- Apr 68° 45°
- May 77° 55°
- Jun 85° 65°
- Jul 89° 69°
- Aug 88° 66°
- Sep 80° 57°
- Oct 70° 46°
- Nov 57° 35°
- Dec 45° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jefferson City in May?
The normal high is 77°F and the normal low 55°F, for a daily mean of 66.0°F. May is 9.4°F warmer than April and 9.1°F cooler than June. May is the 5th warmest month of the year in Jefferson City and the wettest. Across the month the normal high rises 9°F, from 73°F on May 1 to 82°F on May 31. From one year to the next May's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Mays in three average between 63°F and 69°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 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 73°F | 50°F | 40% | 25% |
| May 8 | 75°F | 52°F | 41% | 25% |
| May 15 | 77°F | 55°F | 40% | 24% |
| May 22 | 79°F | 57°F | 39% | 24% |
| May 31 | 82°F | 61°F | 39% | 23% |
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 | 73°F | 50°F | 40% | 25% | 13 h 50 min |
| May 2 | 73°F | 50°F | 40% | 25% | 13 h 50 min |
| May 3 | 73°F | 51°F | 40% | 25% | 13 h 50 min |
| May 4 | 73°F | 51°F | 40% | 25% | 13 h 50 min |
| May 5 | 74°F | 51°F | 40% | 25% | 14 h |
| May 6 | 74°F | 52°F | 40% | 25% | 14 h |
| May 7 | 74°F | 52°F | 41% | 25% | 14 h |
| May 8 | 75°F | 52°F | 41% | 25% | 14 h |
| May 9 | 75°F | 53°F | 41% | 25% | 14 h |
| May 10 | 75°F | 53°F | 41% | 25% | 14 h 10 min |
| May 11 | 75°F | 53°F | 40% | 25% | 14 h 10 min |
| May 12 | 76°F | 54°F | 40% | 24% | 14 h 10 min |
| May 13 | 76°F | 54°F | 40% | 24% | 14 h 10 min |
| May 14 | 76°F | 54°F | 40% | 24% | 14 h 10 min |
| May 15 | 77°F | 55°F | 40% | 24% | 14 h 10 min |
| May 16 | 77°F | 55°F | 40% | 24% | 14 h 20 min |
| May 17 | 77°F | 55°F | 40% | 24% | 14 h 20 min |
| May 18 | 77°F | 56°F | 40% | 24% | 14 h 20 min |
| May 19 | 78°F | 56°F | 40% | 24% | 14 h 20 min |
| May 20 | 78°F | 57°F | 40% | 24% | 14 h 20 min |
| May 21 | 78°F | 57°F | 39% | 24% | 14 h 20 min |
| May 22 | 79°F | 57°F | 39% | 24% | 14 h 30 min |
| May 23 | 79°F | 58°F | 39% | 24% | 14 h 30 min |
| May 24 | 79°F | 58°F | 39% | 24% | 14 h 30 min |
| May 25 | 80°F | 58°F | 39% | 24% | 14 h 30 min |
| May 26 | 80°F | 59°F | 39% | 24% | 14 h 30 min |
| May 27 | 80°F | 59°F | 39% | 23% | 14 h 30 min |
| May 28 | 81°F | 59°F | 39% | 23% | 14 h 30 min |
| May 29 | 81°F | 60°F | 39% | 23% | 14 h 40 min |
| May 30 | 81°F | 60°F | 39% | 23% | 14 h 40 min |
| May 31 | 82°F | 61°F | 39% | 23% | 14 h 40 min |
- Normal high
- 77°FMay average
- Normal low
- 55°FMay average
- Precipitation
- 4.89 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h 50 min to 14 h 40 minMay 1 to May 31
- Days at 70°F or more
- 24
- Days at 80°F or more
- 13
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003963; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jefferson City in May?
On a given May day the chance of 0.01 inch or more is 40% on average, highest around May 8 (41%). In all, 4.89 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Jefferson City, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003963.
What are the records for May in Jefferson City?
The warmest May temperature on Jefferson City's official record (since 1894) is 102°F, on May 31, 1934; the coldest is 24°F, on May 2, 1961. The wettest May brought 10.76 in (1943).
The May mean against the 1991-2020 normal of 66.0°F: 2023 69.3°F (+3.3), 2024 70.0°F (+4.0), 2025 66.2°F (+0.2), 2026 65.4°F (−0.6). 3 of 4 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 69.3°F | +3.3°F | 1.54 in |
| 2024 | 70.0°F | +4.0°F | 4.39 in |
| 2025 | 66.2°F | +0.2°F | 2.38 in |
| 2026 | 65.4°F | −0.6°F | 6.56 in |
Source: records: ACIS, NWS threaded record JEFthr; recent months: ACIS, station USW00003963. Records and recent months use complete months only.
How does May in Jefferson City compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, May normal highs run from 71°F in Green City to 81°F in Malden; Jefferson City's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.