Mankato weather in May: Mankato, Minnesota: normal highs, lows, rain and records for May
Mankato in May has a normal high of 69°F and a normal low of 47°F, a daily mean of 58°F, rising from 64°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 4.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 8°C, 107 mm of precipitation in May.
- NOAA stationMankato
- Station IDUSC00215073
- Location44.15°N 94.02°W
- Elevation850 ft (259 m)
- Population46,459
- Jan 24° 6°
- Feb 29° 9°
- Mar 41° 22°
- Apr 57° 34°
- May 69° 47°
- Jun 79° 58°
- Jul 82° 62°
- Aug 80° 59°
- Sep 74° 50°
- Oct 60° 37°
- Nov 43° 25°
- Dec 29° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Mankato in May?
The normal high is 69°F and the normal low 47°F, for a daily mean of 58.1°F. May is 12.9°F warmer than April and 10.1°F cooler than June. May is the 5th warmest month of the year in Mankato and the 4th wettest. Across the month the normal high rises 10°F, from 64°F on May 1 to 74°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 55°F and 61°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 64°F | 41°F | 34% | 24% |
| May 8 | 67°F | 44°F | 35% | 25% |
| May 15 | 69°F | 47°F | 36% | 26% |
| May 22 | 71°F | 50°F | 37% | 27% |
| May 31 | 74°F | 53°F | 39% | 29% |
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 | 64°F | 41°F | 34% | 24% | 14 h 10 min |
| May 2 | 64°F | 41°F | 34% | 24% | 14 h 10 min |
| May 3 | 65°F | 42°F | 34% | 24% | 14 h 10 min |
| May 4 | 65°F | 42°F | 34% | 24% | 14 h 20 min |
| May 5 | 65°F | 42°F | 34% | 24% | 14 h 20 min |
| May 6 | 66°F | 43°F | 35% | 25% | 14 h 20 min |
| May 7 | 66°F | 43°F | 35% | 25% | 14 h 20 min |
| May 8 | 67°F | 44°F | 35% | 25% | 14 h 30 min |
| May 9 | 67°F | 44°F | 35% | 25% | 14 h 30 min |
| May 10 | 67°F | 45°F | 35% | 25% | 14 h 30 min |
| May 11 | 68°F | 45°F | 35% | 25% | 14 h 30 min |
| May 12 | 68°F | 45°F | 35% | 25% | 14 h 40 min |
| May 13 | 68°F | 46°F | 35% | 26% | 14 h 40 min |
| May 14 | 69°F | 46°F | 35% | 26% | 14 h 40 min |
| May 15 | 69°F | 47°F | 36% | 26% | 14 h 40 min |
| May 16 | 69°F | 47°F | 36% | 26% | 14 h 50 min |
| May 17 | 70°F | 48°F | 36% | 26% | 14 h 50 min |
| May 18 | 70°F | 48°F | 36% | 26% | 14 h 50 min |
| May 19 | 70°F | 48°F | 36% | 27% | 14 h 50 min |
| May 20 | 71°F | 49°F | 36% | 27% | 14 h 50 min |
| May 21 | 71°F | 49°F | 37% | 27% | 15 h |
| May 22 | 71°F | 50°F | 37% | 27% | 15 h |
| May 23 | 72°F | 50°F | 37% | 28% | 15 h |
| May 24 | 72°F | 50°F | 37% | 28% | 15 h |
| May 25 | 72°F | 51°F | 38% | 28% | 15 h |
| May 26 | 73°F | 51°F | 38% | 28% | 15 h 10 min |
| May 27 | 73°F | 52°F | 38% | 29% | 15 h 10 min |
| May 28 | 73°F | 52°F | 38% | 29% | 15 h 10 min |
| May 29 | 74°F | 52°F | 38% | 29% | 15 h 10 min |
| May 30 | 74°F | 53°F | 39% | 29% | 15 h 10 min |
| May 31 | 74°F | 53°F | 39% | 29% | 15 h 10 min |
- Normal high
- 69°FMay average
- Normal low
- 47°FMay average
- Precipitation
- 4.20 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 1
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 16
- Days at 80°F or more
- 6
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00215073; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Mankato in May?
On a given May day the chance of 0.01 inch or more is 36% on average, highest around May 31 (39%). In all, 4.20 in falls on 11 days of a normal May, 1 of them with an inch or more.
In a normal May in Mankato, 1 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00215073.
What are the records for May in Mankato?
The warmest May temperature on this station's record (since 1954) is 96°F, on May 18, 1987; the coldest is 22°F, on May 3, 1967. The wettest May brought 9.27 in (1908).
Source: records: ACIS, station USC00215073. Records and recent months use complete months only.
How does May in Mankato compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, May normal highs run from 55°F in Grand Marais to 73°F in Amboy; Mankato's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.