Cullman weather in May: Cullman, Alabama: normal highs, lows, rain and records for May
Cullman in May has a normal high of 79°F and a normal low of 55°F, a daily mean of 67°F, rising from 75°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 4.60 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 117 mm of precipitation in May.
- NOAA stationCullman (3 mi ENE)
- Station IDUSW00063867
- Location34.20°N 86.80°W
- Elevation800 ft (244 m)
- Population20,239
- Jan 51° 31°
- Feb 55° 34°
- Mar 63° 40°
- Apr 72° 47°
- May 79° 55°
- Jun 86° 64°
- Jul 88° 68°
- Aug 88° 67°
- Sep 83° 60°
- Oct 74° 48°
- Nov 62° 38°
- Dec 54° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cullman in May?
The normal high is 79°F and the normal low 55°F, for a daily mean of 67.0°F. May is 7.8°F warmer than April and 7.7°F cooler than June. May is the 5th warmest month of the year in Cullman and the 8th wettest. Across the month the normal high rises 8°F, from 75°F on May 1 to 83°F on May 31. From one year to the next May's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Mays in three average between 65°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 75°F | 51°F | 29% | 23% |
| May 8 | 77°F | 53°F | 29% | 23% |
| May 15 | 78°F | 55°F | 29% | 23% |
| May 22 | 80°F | 57°F | 30% | 22% |
| May 31 | 83°F | 60°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 | 75°F | 51°F | 29% | 23% | 13 h 30 min |
| May 2 | 75°F | 51°F | 29% | 23% | 13 h 30 min |
| May 3 | 75°F | 51°F | 29% | 23% | 13 h 40 min |
| May 4 | 76°F | 51°F | 29% | 23% | 13 h 40 min |
| May 5 | 76°F | 52°F | 29% | 23% | 13 h 40 min |
| May 6 | 76°F | 52°F | 29% | 23% | 13 h 40 min |
| May 7 | 76°F | 52°F | 29% | 23% | 13 h 40 min |
| May 8 | 77°F | 53°F | 29% | 23% | 13 h 40 min |
| May 9 | 77°F | 53°F | 29% | 23% | 13 h 50 min |
| May 10 | 77°F | 53°F | 29% | 23% | 13 h 50 min |
| May 11 | 77°F | 54°F | 29% | 23% | 13 h 50 min |
| May 12 | 78°F | 54°F | 29% | 23% | 13 h 50 min |
| May 13 | 78°F | 54°F | 29% | 23% | 13 h 50 min |
| May 14 | 78°F | 55°F | 29% | 23% | 13 h 50 min |
| May 15 | 78°F | 55°F | 29% | 23% | 13 h 50 min |
| May 16 | 79°F | 55°F | 29% | 22% | 14 h |
| May 17 | 79°F | 56°F | 29% | 22% | 14 h |
| May 18 | 79°F | 56°F | 29% | 22% | 14 h |
| May 19 | 80°F | 56°F | 29% | 22% | 14 h |
| May 20 | 80°F | 57°F | 29% | 22% | 14 h |
| May 21 | 80°F | 57°F | 29% | 22% | 14 h |
| May 22 | 80°F | 57°F | 30% | 22% | 14 h |
| May 23 | 81°F | 58°F | 30% | 22% | 14 h 10 min |
| May 24 | 81°F | 58°F | 30% | 21% | 14 h 10 min |
| May 25 | 81°F | 58°F | 30% | 21% | 14 h 10 min |
| May 26 | 82°F | 59°F | 30% | 21% | 14 h 10 min |
| May 27 | 82°F | 59°F | 30% | 21% | 14 h 10 min |
| May 28 | 82°F | 59°F | 30% | 21% | 14 h 10 min |
| May 29 | 83°F | 60°F | 30% | 21% | 14 h 10 min |
| May 30 | 83°F | 60°F | 30% | 21% | 14 h 10 min |
| May 31 | 83°F | 60°F | 30% | 21% | 14 h 20 min |
- Normal high
- 79°FMay average
- Normal low
- 55°FMay average
- Precipitation
- 4.60 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 30 min to 14 h 20 minMay 1 to May 31
- Days at 70°F or more
- 28
- Days at 80°F or more
- 17
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00063867; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cullman in May?
On a given May day the chance of 0.01 inch or more is 29% on average, highest around May 28 (30%). In all, 4.60 in falls on 9 days of a normal May, 1 of them with an inch or more.
In a normal May in Cullman, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00063867.
What are the records for May in Cullman?
The May mean against the 1991-2020 normal of 67.0°F: 2021 64.7°F (−2.3), 2022 69.9°F (+2.9), 2024 70.7°F (+3.7), 2026 66.3°F (−0.7). 2 of 4 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.7°F | −2.3°F | 4.00 in |
| 2022 | 69.9°F | +2.9°F | 3.36 in |
| 2024 | 70.7°F | +3.7°F | 5.30 in |
| 2026 | 66.3°F | −0.7°F | 11.69 in |
Source: recent months: ACIS, station USW00063867. Records and recent months use complete months only.
How does May in Cullman compare across Alabama?
Across the 80 places PlainClimate covers in Alabama, May normal highs run from 78°F in Valley Head to 88°F in Andalusia; Cullman's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.