Omaha weather in May: Omaha, Nebraska: normal highs, lows, rain and records for May
Omaha in May has a normal high of 75°F and a normal low of 53°F, a daily mean of 64°F, rising from 69°F on the 1st to 80°F by the 31st. Measurable precipitation falls on 13 days in a normal May, 4.66 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 12°C, 118 mm of precipitation and 0 cm of snow in May.
- NOAA stationOmaha Eppley Airfield
- Station IDUSW00014942
- Location41.31°N 95.90°W
- Elevation982 ft (299 m)
- From the center9 miles
- Population489,265
- Jan 34° 15°
- Feb 39° 19°
- Mar 52° 30°
- Apr 64° 41°
- May 75° 53°
- Jun 84° 63°
- Jul 88° 68°
- Aug 86° 66°
- Sep 79° 56°
- Oct 66° 43°
- Nov 50° 30°
- Dec 38° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Omaha in May?
The normal high is 75°F and the normal low 53°F, for a daily mean of 63.6°F. May is 11.0°F warmer than April and 10.3°F cooler than June. May is the 5th warmest month of the year in Omaha and the wettest. Across the month the normal high rises 11°F, from 69°F on May 1 to 80°F on May 31. From one year to the next May's mean temperature typically moves about 3.0°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 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 69°F | 47°F | 39% | 23% |
| May 8 | 72°F | 49°F | 40% | 24% |
| May 15 | 74°F | 52°F | 40% | 24% |
| May 22 | 77°F | 55°F | 40% | 25% |
| May 31 | 80°F | 59°F | 40% | 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 | 69°F | 47°F | 39% | 23% | 14 h |
| May 2 | 69°F | 47°F | 40% | 23% | 14 h |
| May 3 | 70°F | 47°F | 40% | 23% | 14 h |
| May 4 | 70°F | 48°F | 40% | 23% | 14 h |
| May 5 | 70°F | 48°F | 40% | 24% | 14 h 10 min |
| May 6 | 71°F | 49°F | 40% | 24% | 14 h 10 min |
| May 7 | 71°F | 49°F | 40% | 24% | 14 h 10 min |
| May 8 | 72°F | 49°F | 40% | 24% | 14 h 10 min |
| May 9 | 72°F | 50°F | 40% | 24% | 14 h 20 min |
| May 10 | 72°F | 50°F | 40% | 24% | 14 h 20 min |
| May 11 | 73°F | 51°F | 40% | 24% | 14 h 20 min |
| May 12 | 73°F | 51°F | 40% | 24% | 14 h 20 min |
| May 13 | 73°F | 52°F | 40% | 24% | 14 h 20 min |
| May 14 | 74°F | 52°F | 40% | 24% | 14 h 30 min |
| May 15 | 74°F | 52°F | 40% | 24% | 14 h 30 min |
| May 16 | 75°F | 53°F | 40% | 24% | 14 h 30 min |
| May 17 | 75°F | 53°F | 40% | 24% | 14 h 30 min |
| May 18 | 75°F | 54°F | 40% | 25% | 14 h 30 min |
| May 19 | 76°F | 54°F | 40% | 25% | 14 h 40 min |
| May 20 | 76°F | 54°F | 40% | 25% | 14 h 40 min |
| May 21 | 77°F | 55°F | 40% | 25% | 14 h 40 min |
| May 22 | 77°F | 55°F | 40% | 25% | 14 h 40 min |
| May 23 | 77°F | 56°F | 40% | 25% | 14 h 40 min |
| May 24 | 78°F | 56°F | 40% | 26% | 14 h 40 min |
| May 25 | 78°F | 56°F | 40% | 26% | 14 h 50 min |
| May 26 | 78°F | 57°F | 40% | 26% | 14 h 50 min |
| May 27 | 79°F | 57°F | 40% | 26% | 14 h 50 min |
| May 28 | 79°F | 58°F | 40% | 26% | 14 h 50 min |
| May 29 | 80°F | 58°F | 40% | 26% | 14 h 50 min |
| May 30 | 80°F | 58°F | 40% | 26% | 14 h 50 min |
| May 31 | 80°F | 59°F | 40% | 26% | 14 h 50 min |
- Normal high
- 75°FMay average
- Normal low
- 53°FMay average
- Precipitation
- 4.66 inmonth total
- Days with precipitation
- 130.01 inch or more
- Snowfall
- 0.1 inmonth total
- Days at 90°F or more
- 2
- Daylight
- 14 h to 14 h 50 minMay 1 to May 31
- Days at 70°F or more
- 21
- Days at 80°F or more
- 10
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014942; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Omaha in May?
On a given May day the chance of 0.01 inch or more is 40% on average, highest around May 9 (40%). In all, 4.66 in falls on 13 days of a normal May, 1 of them with an inch or more.
In a normal May in Omaha, 2 days reach 90°F and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014942.
How humid and windy is Omaha in May?
At 3 p.m. the normal temperature is 77°F with 48% relative humidity and a dew point of 56°F; at 6 a.m. it is 61°F with 84% humidity. The wind averages 9.4 mph, most often from the south in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 56°F | 84% | 7.2 mph | 35% |
| 9 a.m. | 68°F | 57°F | 67% | 9.7 mph | 42% |
| noon | 74°F | 56°F | 54% | 11.5 mph | 33% |
| 3 p.m. | 77°F | 56°F | 48% | 12.2 mph | 36% |
| 6 p.m. | 75°F | 56°F | 51% | 11.2 mph | 40% |
| 9 p.m. | 68°F | 57°F | 67% | 8.3 mph | 52% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014942. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Omaha?
The warmest May temperature on Omaha's official record (since 1871) is 103°F, on May 30, 1934; the coldest is 25°F, on May 1, 1909. The wettest May brought 11.29 in (1883); the snowiest, 3.1 inches (2013).
The May mean against the 1991-2020 normal of 63.6°F: 2021 62.1°F (−1.5), 2022 64.7°F (+1.1), 2023 66.8°F (+3.2), 2024 64.2°F (+0.6), 2025 63.0°F (−0.6), 2026 64.3°F (+0.7). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.1°F | −1.5°F | 3.40 in |
| 2022 | 64.7°F | +1.1°F | 5.32 in |
| 2023 | 66.8°F | +3.2°F | 0.17 in |
| 2024 | 64.2°F | +0.6°F | 11.13 in |
| 2025 | 63.0°F | −0.6°F | 1.84 in |
| 2026 | 64.3°F | +0.7°F | 3.54 in |
Source: records: ACIS, NWS threaded record OMAthr; recent months: ACIS, station USW00014942. Records and recent months use complete months only.
How does May in Omaha compare across Nebraska?
Across the 137 places PlainClimate covers in Nebraska, May normal highs run from 64°F in Harrison to 76°F in Beaver City; Omaha's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.