Bloomington weather in May: Bloomington, Indiana: normal highs, lows, rain and records for May
Bloomington in May has a normal high of 74°F and a normal low of 53°F, a daily mean of 64°F, rising from 70°F on the 1st to 79°F by the 31st. Measurable precipitation falls on 15 days in a normal May, 4.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 12°C, 114 mm of precipitation in May.
- NOAA stationBloomington Monroe County Airport
- Station IDUSW00003893
- Location39.13°N 86.62°W
- Elevation844 ft (257 m)
- From the center5 miles
- Population79,986
- Jan 39° 22°
- Feb 43° 25°
- Mar 54° 33°
- Apr 66° 43°
- May 74° 53°
- Jun 82° 62°
- Jul 85° 64°
- Aug 84° 62°
- Sep 78° 55°
- Oct 67° 44°
- Nov 53° 34°
- Dec 42° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Bloomington in May?
The normal high is 74°F and the normal low 53°F, for a daily mean of 63.8°F. May is 9.5°F warmer than April and 8.2°F cooler than June. May is the 5th warmest month of the year in Bloomington and the 4th wettest. Across the month the normal high rises 9°F, from 70°F on May 1 to 79°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 61°F and 67°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 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 70°F | 48°F | 45% | 31% |
| May 8 | 72°F | 51°F | 46% | 30% |
| May 15 | 74°F | 53°F | 47% | 29% |
| May 22 | 76°F | 55°F | 46% | 27% |
| May 31 | 79°F | 58°F | 46% | 26% |
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 | 70°F | 48°F | 45% | 31% | 13 h 50 min |
| May 2 | 71°F | 49°F | 45% | 31% | 13 h 50 min |
| May 3 | 71°F | 49°F | 46% | 31% | 13 h 50 min |
| May 4 | 71°F | 49°F | 46% | 30% | 14 h |
| May 5 | 71°F | 50°F | 46% | 30% | 14 h |
| May 6 | 72°F | 50°F | 46% | 30% | 14 h |
| May 7 | 72°F | 50°F | 46% | 30% | 14 h |
| May 8 | 72°F | 51°F | 46% | 30% | 14 h |
| May 9 | 72°F | 51°F | 46% | 30% | 14 h 10 min |
| May 10 | 73°F | 51°F | 47% | 30% | 14 h 10 min |
| May 11 | 73°F | 52°F | 47% | 30% | 14 h 10 min |
| May 12 | 73°F | 52°F | 47% | 30% | 14 h 10 min |
| May 13 | 74°F | 52°F | 47% | 29% | 14 h 10 min |
| May 14 | 74°F | 53°F | 47% | 29% | 14 h 20 min |
| May 15 | 74°F | 53°F | 47% | 29% | 14 h 20 min |
| May 16 | 74°F | 53°F | 47% | 29% | 14 h 20 min |
| May 17 | 75°F | 54°F | 47% | 28% | 14 h 20 min |
| May 18 | 75°F | 54°F | 47% | 28% | 14 h 20 min |
| May 19 | 75°F | 54°F | 46% | 28% | 14 h 20 min |
| May 20 | 76°F | 55°F | 46% | 28% | 14 h 30 min |
| May 21 | 76°F | 55°F | 46% | 27% | 14 h 30 min |
| May 22 | 76°F | 55°F | 46% | 27% | 14 h 30 min |
| May 23 | 76°F | 56°F | 46% | 27% | 14 h 30 min |
| May 24 | 77°F | 56°F | 46% | 27% | 14 h 30 min |
| May 25 | 77°F | 56°F | 46% | 27% | 14 h 30 min |
| May 26 | 77°F | 56°F | 46% | 27% | 14 h 40 min |
| May 27 | 78°F | 57°F | 46% | 26% | 14 h 40 min |
| May 28 | 78°F | 57°F | 46% | 26% | 14 h 40 min |
| May 29 | 78°F | 57°F | 46% | 26% | 14 h 40 min |
| May 30 | 78°F | 58°F | 46% | 26% | 14 h 40 min |
| May 31 | 79°F | 58°F | 46% | 26% | 14 h 40 min |
- Normal high
- 74°FMay average
- Normal low
- 53°FMay average
- Precipitation
- 4.47 inmonth total
- Days with precipitation
- 150.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 50 min to 14 h 40 minMay 1 to May 31
- Days at 70°F or more
- 22
- Days at 80°F or more
- 11
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003893; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Bloomington in May?
On a given May day the chance of 0.01 inch or more is 46% on average, highest around May 14 (47%). In all, 4.47 in falls on 15 days of a normal May, 1 of them with an inch or more.
In a normal May in Bloomington, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003893.
What are the records for May in Bloomington?
The warmest May temperature on this station's record (since 1998) is 92°F, on May 28, 2012; the coldest is 29°F, on May 9, 2020. The wettest May brought 8.35 in (2002).
The May mean against the 1991-2020 normal of 63.8°F: 2021 61.8°F (−2.0), 2022 66.9°F (+3.1), 2023 64.1°F (+0.3), 2024 68.0°F (+4.2), 2025 63.2°F (−0.6), 2026 63.0°F (−0.8). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.8°F | −2.0°F | – |
| 2022 | 66.9°F | +3.1°F | 5.77 in |
| 2023 | 64.1°F | +0.3°F | 3.43 in |
| 2024 | 68.0°F | +4.2°F | 5.55 in |
| 2025 | 63.2°F | −0.6°F | 4.12 in |
| 2026 | 63.0°F | −0.8°F | 7.55 in |
Source: records: ACIS, station USW00003893; recent months: ACIS, station USW00003893. Records and recent months use complete months only.
How does May in Bloomington compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, May normal highs run from 69°F in Angola to 79°F in Boonville; Bloomington's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.