Brookings weather in May: Brookings, South Dakota: normal highs, lows, rain and records for May
Brookings in May has a normal high of 67°F and a normal low of 45°F, a daily mean of 56°F, rising from 61°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 13 days in a normal May, 3.45 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 7°C, 88 mm of precipitation and 0 cm of snow in May.
- NOAA stationBrookings (2 mi NE)
- Station IDUSC00391076
- Location44.33°N 96.77°W
- Elevation1,639 ft (500 m)
- From the center2 miles
- Population24,555
- Jan 22° 4°
- Feb 27° 7°
- Mar 39° 20°
- Apr 54° 32°
- May 67° 45°
- Jun 77° 56°
- Jul 81° 60°
- Aug 79° 57°
- Sep 72° 48°
- Oct 58° 34°
- Nov 41° 22°
- Dec 28° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Brookings in May?
The normal high is 67°F and the normal low 45°F, for a daily mean of 56.0°F. May is 12.9°F warmer than April and 10.6°F cooler than June. May is the 5th warmest month of the year in Brookings and the 3rd wettest. Across the month the normal high rises 11°F, from 61°F on May 1 to 72°F on May 31. From one year to the next May's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Mays in three average between 53°F and 59°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 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 61°F | 38°F | 37% | 21% |
| May 8 | 64°F | 42°F | 39% | 23% |
| May 15 | 67°F | 45°F | 40% | 24% |
| May 22 | 69°F | 48°F | 41% | 25% |
| May 31 | 72°F | 52°F | 42% | 25% |
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 | 61°F | 38°F | 37% | 21% | 14 h 10 min |
| May 2 | 61°F | 39°F | 37% | 22% | 14 h 10 min |
| May 3 | 62°F | 39°F | 38% | 22% | 14 h 20 min |
| May 4 | 62°F | 40°F | 38% | 22% | 14 h 20 min |
| May 5 | 63°F | 40°F | 38% | 22% | 14 h 20 min |
| May 6 | 63°F | 41°F | 39% | 22% | 14 h 20 min |
| May 7 | 63°F | 41°F | 39% | 23% | 14 h 30 min |
| May 8 | 64°F | 42°F | 39% | 23% | 14 h 30 min |
| May 9 | 64°F | 42°F | 39% | 23% | 14 h 30 min |
| May 10 | 65°F | 43°F | 39% | 23% | 14 h 30 min |
| May 11 | 65°F | 43°F | 39% | 23% | 14 h 40 min |
| May 12 | 65°F | 43°F | 39% | 23% | 14 h 40 min |
| May 13 | 66°F | 44°F | 39% | 23% | 14 h 40 min |
| May 14 | 66°F | 44°F | 40% | 23% | 14 h 40 min |
| May 15 | 67°F | 45°F | 40% | 24% | 14 h 40 min |
| May 16 | 67°F | 45°F | 40% | 24% | 14 h 50 min |
| May 17 | 67°F | 46°F | 40% | 24% | 14 h 50 min |
| May 18 | 68°F | 46°F | 40% | 24% | 14 h 50 min |
| May 19 | 68°F | 47°F | 40% | 24% | 14 h 50 min |
| May 20 | 68°F | 47°F | 40% | 24% | 15 h |
| May 21 | 69°F | 48°F | 40% | 24% | 15 h |
| May 22 | 69°F | 48°F | 41% | 25% | 15 h |
| May 23 | 70°F | 48°F | 41% | 25% | 15 h |
| May 24 | 70°F | 49°F | 41% | 25% | 15 h |
| May 25 | 70°F | 49°F | 41% | 25% | 15 h 10 min |
| May 26 | 71°F | 50°F | 41% | 25% | 15 h 10 min |
| May 27 | 71°F | 50°F | 42% | 25% | 15 h 10 min |
| May 28 | 71°F | 51°F | 42% | 25% | 15 h 10 min |
| May 29 | 72°F | 51°F | 42% | 25% | 15 h 10 min |
| May 30 | 72°F | 51°F | 42% | 25% | 15 h 10 min |
| May 31 | 72°F | 52°F | 42% | 25% | 15 h 10 min |
- Normal high
- 67°FMay average
- Normal low
- 45°FMay average
- Precipitation
- 3.45 inmonth total
- Days with precipitation
- 130.01 inch or more
- Snowfall
- 0.1 inmonth total
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 2
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 5
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00391076; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Brookings in May?
On a given May day the chance of 0.01 inch or more is 40% on average, highest around May 31 (42%). In all, 3.45 in falls on 13 days of a normal May, 1 of them with an inch or more.
In a normal May in Brookings, 1 days reach 90°F, 2 nights fall to freezing and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00391076.
What are the records for May in Brookings?
The warmest May temperature on this station's record (since 1893) is 106°F, on May 30, 1934; the coldest is 17°F, on May 4, 1893. The wettest May brought 9.27 in (1972); the snowiest, 10.9 inches (1907).
The May mean against the 1991-2020 normal of 56.0°F: 2021 56.2°F (+0.2), 2022 59.8°F (+3.8), 2023 61.5°F (+5.5), 2024 56.3°F (+0.3), 2025 57.4°F (+1.4), 2026 57.3°F (+1.3). 6 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.2°F | +0.2°F | 1.61 in |
| 2022 | 59.8°F | +3.8°F | 5.10 in |
| 2023 | 61.5°F | +5.5°F | 1.19 in |
| 2024 | 56.3°F | +0.3°F | 4.34 in |
| 2025 | 57.4°F | +1.4°F | 2.95 in |
| 2026 | 57.3°F | +1.3°F | 0.99 in |
Source: records: ACIS, station USC00391076; recent months: ACIS, station USC00391076. Records and recent months use complete months only.
How does May in Brookings compare across South Dakota?
Across the 100 places PlainClimate covers in South Dakota, May normal highs run from 60°F in Custer to 73°F in Wagner; Brookings's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.