May weather forecast
Omaha, NE

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Holiday lights light up the city of Omaha, Nebraska
Holiday lights light up the city of Omaha, Nebraska

Weather in May

May brings a delightful blend of late spring and early summer in Omaha, Nebraska. The flowers are in full bloom under the increasingly generous sunlight. The surge in temperature is significant with the mercury soaring between 53.6°F (12°C) and 71.1°F (21.7°C). The panorama of lush greenery combined with the immense 3.46" (88mm) of rainfall make May a visually arresting month. Days are warmer, nights are comfortable, and the dramatic increase in daylight hours is evident in the lengthening twilight.

Temperature

As Omaha transitions into May, the average high-temperature is observed to rise from an enjoyable 61°F (16.1°C) in April to an agreeable 71.1°F (21.7°C). Omaha experiences a mean temperature of 53.6°F (12°C) during May nights.

Humidity

The average relative humidity in May is 72%.

Rainfall

In May, the rain falls for 16.3 days. Throughout May, 3.46" (88mm) of precipitation is accumulated. In Omaha, during the entire year, the rain falls for 122.5 days and collects up to 22.52" (572mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Omaha, Nebraska. May is the last month it regularly snows. During 0.2 snowfall days, in May, Omaha aggregates 0.12" (3mm) of snow. Throughout the year, in Omaha, there are 31.6 snowfall days, and 9.65" (245mm) of snow is accumulated.

Daylight

In Omaha, the average length of the day in May is 14h and 31min.
On the first day of May, sunrise is at 6:20 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:50 pm CDT.

Sunshine

In May, the average sunshine is 9h.

UV index

In Omaha, Nebraska, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Omaha?

The high-temperature, in May, in Omaha, records 71.1°F (21.7°C), while the low-temperature is 53.6°F (12°C).

What is the average humidity in May in Omaha?

In May, the average relative humidity in Omaha is 72%.

How many days does it rain in May in Omaha?

In May, in Omaha, the rain falls for 16.3 days. Throughout May, 3.46" (88mm) of precipitation is accumulated.

What is the last month it snows in Omaha?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Omaha aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Omaha?

In Omaha, the average day length in May is 14h and 31min.

What time are sunrise and sunset in May in Omaha?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:21 pm. On the last day of the month, in Omaha, sunrise is at 5:53 am and sunset at 8:50 pm CDT.

How long on average sun shines in May in Omaha?

The average sunshine duration in May in Omaha is 9h.

What is the UV index reading in May in Omaha?

In May, the average daily maximum UV index in Omaha is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Omaha, NE

Average temperature in May - Omaha, NE
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in May
Omaha, NE

Average pressure in May - Omaha, NE
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in May
Omaha, NE

Average wind speed in May - Omaha, NE
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in May
Omaha, NE

Average humidity in May - Omaha, NE
  • Average humidity in May: 72%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).

Average rainfall in May
Omaha, NE

Average rainfall in May - Omaha, NE
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in May
Omaha, NE

Average rainfall days in May - Omaha, NE
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3 days).

Average snowfall in May
Omaha, NE

Average snowfall in May - Omaha, NE
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Omaha, NE

Average snowfall days in May - Omaha, NE
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Omaha, NE

Average daylight in May / Average sunshine in May - Omaha, NE
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Omaha, NE

Average sunshine days in May - Omaha, NE
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in May
Omaha, NE

Average UV index in May - Omaha, NE
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in May
Omaha, NE

Average cloud cover in May - Omaha, NE
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in May
Omaha, NE

Average visibility in May - Omaha, NE
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Omaha, Nebraska, USA

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