Climateby Month

Omaha, NE weather in May

NOAA 1991-2020 normals and daily records · Omaha all year

May in Omaha: mild, with frequent rain. Highs 75°F, lows 53°F, about 13 days with rain.

Normal high
75°F
Normal low
53°F
Wet days
13
4.7 in total
Muggy days
1
dew point 65°F+

How May changes from start to finish

Normal values at the start and end of May
May 1May 31
Normal high69°F80°F
Normal low47°F59°F
Chance of a wet day40%40%
Sunrise / sunset6:21 am / 8:20 pm5:53 am / 8:49 pm
Daylight14.0 h14.9 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical May day

  1. 6 am55°Fdew point 49°F
  2. 9 am62°Fdew point 50°F
  3. Noon69°Fdew point 50°F
  4. 3 pm72°Fdew point 50°F
  5. 6 pm70°Fdew point 50°F
  6. 9 pm63°Fdew point 51°F

NOAA hourly normals (local standard time) from Omaha Eppley Airfield (4 mi away); average wind 11 mph; clear or few clouds in 37% of daytime hours, mostly cloudy or overcast in 45%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
  • Hot dayshigh 90°F or more2 of 31
  • Muggy daysdaily mean dew point 65°F or more1 of 31
  • Wet daysat least 0.01 in of rain or melted snow13 of 31
  • Notable rainat least 0.10 in8 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per May, counted from daily records for each year 1991-2020.

Rain and snow in May

Normal precipitation is 4.7 in; a dry May brings about 2.8 in and a wet one about 5.6 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.1 in.

How May varies from year to year

  • Warmest May, 1991-20202018: average high 83°F
  • Coolest May1996: average high 67°F
  • Wettest May2007: 10.6 in
  • Driest May2009: 1.4 in
  • Highest reading101°F (May 27, 2018)
  • Lowest reading30°F (May 4, 2005)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

May compared with April and June

AprilMayJune
Normal high64°F75°F84°F
Normal low41°F53°F63°F
Wet days111311
Comfortable days12146
Daylight13.3 h14.5 h15.1 h

Highs change by +11°F from April and +9°F into June.

How Omaha ranks in May

  • Normal high200th warmest of 378 cities; 2nd of 2 in Nebraska
  • Wet days324th driest of 378
  • Comfortable days133rd most of 339

What to pack for Omaha in May

  • A rain jacket or umbrella – rain on about 13 days
  • Sunglasses and sunscreen – about 14.5 hours of daylight and highs near 75°F

Heating and cooling

May has 132 heating degree days and 90 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is Omaha in May?

The normal high is 75°F and the normal low is 53°F. From 1991 to 2020 the hottest May reading was 101°F (most recently on May 27, 2018).

Does it rain a lot in Omaha in May?

About 13 days in May have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest May in 1991-2020 was in 2007 (10.6 in); the driest was in 2009 (1.4 in).

Does it snow in Omaha in May?

Yes. Normal snowfall in May is 0.1 in.

Is May a good time to visit Omaha?

May ranks 1st of 12 months on our comfort score for Omaha (70 out of 100). It has about 14 comfortable days and about 2 days at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Omaha Eppley Airfield (USW00014942), 4.1 mi NNE of the city center, 982 ft (74 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Eppley Airfield Airport (725500-14942), 4.1 mi NNE of the city center, 980 ft (76 ft lower than the city). Hourly observations, 1991-2020.