Rexburg weather in May: Rexburg, Idaho: normal highs, lows, rain and records for May
Rexburg in May has a normal high of 66°F and a normal low of 40°F, a daily mean of 53°F, rising from 61°F on the 1st to 70°F by the 31st. Measurable precipitation falls on 10 days in a normal May, 1.71 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 4°C, 43 mm of precipitation in May.
- NOAA stationRexburg Madison County Airport
- Station IDUSW00094194
- Location43.83°N 111.80°W
- Elevation4,858 ft (1,481 m)
- From the center1 miles
- Population40,695
- Jan 28° 13°
- Feb 32° 16°
- Mar 45° 25°
- Apr 56° 32°
- May 66° 40°
- Jun 74° 46°
- Jul 85° 52°
- Aug 84° 50°
- Sep 73° 42°
- Oct 57° 32°
- Nov 41° 23°
- Dec 29° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rexburg in May?
The normal high is 66°F and the normal low 40°F, for a daily mean of 52.9°F. May is 9.0°F warmer than April and 7.4°F cooler than June. May is the 5th warmest month of the year in Rexburg and the wettest. Across the month the normal high rises 9°F, from 61°F on May 1 to 70°F on May 31. From one year to the next May's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 51°F and 55°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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 61°F | 35°F | 30% | 14% |
| May 8 | 64°F | 37°F | 31% | 15% |
| May 15 | 66°F | 40°F | 32% | 16% |
| May 22 | 68°F | 42°F | 33% | 16% |
| May 31 | 70°F | 44°F | 32% | 16% |
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 | 35°F | 30% | 14% | 14 h 10 min |
| May 2 | 61°F | 36°F | 30% | 14% | 14 h 10 min |
| May 3 | 62°F | 36°F | 30% | 14% | 14 h 10 min |
| May 4 | 62°F | 36°F | 30% | 14% | 14 h 20 min |
| May 5 | 62°F | 37°F | 31% | 14% | 14 h 20 min |
| May 6 | 63°F | 37°F | 31% | 14% | 14 h 20 min |
| May 7 | 63°F | 37°F | 31% | 14% | 14 h 20 min |
| May 8 | 64°F | 37°F | 31% | 15% | 14 h 30 min |
| May 9 | 64°F | 38°F | 31% | 15% | 14 h 30 min |
| May 10 | 64°F | 38°F | 31% | 15% | 14 h 30 min |
| May 11 | 65°F | 38°F | 32% | 15% | 14 h 30 min |
| May 12 | 65°F | 39°F | 32% | 15% | 14 h 40 min |
| May 13 | 65°F | 39°F | 32% | 15% | 14 h 40 min |
| May 14 | 66°F | 39°F | 32% | 15% | 14 h 40 min |
| May 15 | 66°F | 40°F | 32% | 16% | 14 h 40 min |
| May 16 | 66°F | 40°F | 33% | 16% | 14 h 40 min |
| May 17 | 67°F | 40°F | 33% | 16% | 14 h 50 min |
| May 18 | 67°F | 41°F | 33% | 16% | 14 h 50 min |
| May 19 | 67°F | 41°F | 33% | 16% | 14 h 50 min |
| May 20 | 67°F | 41°F | 33% | 16% | 14 h 50 min |
| May 21 | 68°F | 41°F | 33% | 16% | 14 h 50 min |
| May 22 | 68°F | 42°F | 33% | 16% | 15 h |
| May 23 | 68°F | 42°F | 33% | 16% | 15 h |
| May 24 | 68°F | 42°F | 33% | 16% | 15 h |
| May 25 | 69°F | 42°F | 33% | 16% | 15 h |
| May 26 | 69°F | 43°F | 33% | 16% | 15 h |
| May 27 | 69°F | 43°F | 33% | 16% | 15 h 10 min |
| May 28 | 69°F | 43°F | 32% | 16% | 15 h 10 min |
| May 29 | 70°F | 43°F | 32% | 16% | 15 h 10 min |
| May 30 | 70°F | 44°F | 32% | 16% | 15 h 10 min |
| May 31 | 70°F | 44°F | 32% | 16% | 15 h 10 min |
- Normal high
- 66°FMay average
- Normal low
- 40°FMay average
- Precipitation
- 1.71 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 5
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094194; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rexburg in May?
On a given May day the chance of 0.01 inch or more is 32% on average, highest around May 20 (33%). In all, 1.71 in falls on 10 days of a normal May.
In a normal May in Rexburg, 5 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094194.
What are the records for May in Rexburg?
The warmest May temperature on this station's record (since 1998) is 92°F, on May 28, 2003; the coldest is 19°F, on May 2, 2013. The wettest May brought 3.58 in (1999).
The May mean against the 1991-2020 normal of 52.9°F: 2021 54.0°F (+1.1), 2022 51.1°F (−1.8), 2023 56.9°F (+4.0), 2024 49.7°F (−3.2), 2025 55.0°F (+2.1), 2026 55.1°F (+2.2). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.0°F | +1.1°F | 1.93 in |
| 2022 | 51.1°F | −1.8°F | 1.44 in |
| 2023 | 56.9°F | +4.0°F | 2.77 in |
| 2024 | 49.7°F | −3.2°F | 0.97 in |
| 2025 | 55.0°F | +2.1°F | 1.78 in |
| 2026 | 55.1°F | +2.2°F | 1.57 in |
Source: records: ACIS, station USW00094194; recent months: ACIS, station USW00094194. Records and recent months use complete months only.
How does May in Rexburg compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, May normal highs run from 50°F in Mullan to 79°F in Glenns Ferry; Rexburg's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.