Omaha Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Omaha, Nebraska during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Omaha, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Omaha, 2010 to 2019
High °F Low °F   High °C Low °C
33 15 January 1 -10
36 17 February 2 -8
53 31 March 12 -1
64 41 April 18 5
75 53 May 24 12
85 65 June 30 18
88 69 July 31 20
85 66 August 30 19
80 58 September 27 14
66 43 October 19 6
50 30 November 10 -1
38 20 December 3 -7
63 42 Year 17 6
30-year temperature averages for Omaha, 1991 to 2020
High °F Low °F   High °C Low °C
34 15 January 1 -9
39 19 February 4 -7
52 30 March 11 -1
64 41 April 18 5
75 53 May 24 12
84 63 June 29 17
88 68 July 31 20
86 66 August 30 19
79 56 September 26 13
66 43 October 19 6
50 30 November 10 -1
38 20 December 3 -7
63 42 Year 17 6

Days of Hot Weather in Omaha

Throughout summer Omaha often sees temperatures in the 90s Fahrenheit. The 90-degree weather can appear anytime from April until October. But days of 100 °F (38 °C) or more are uncommon here, typically occurring only one or two days a year.

Number of days in Omaha of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 4 1 0
April 10 3 0
May 21 10 2
June 28 22 7
July 31 28 12
August 31 25 8
September 25 15 4
October 12 4 0
November 2 0 0
December 0 0 0
Year 164 107 33

How Often Omaha Has Cold Temperatures

Freezing temperatures happen regularly at Omaha from October to April, and in some years even show up in May or September. The city typically has 135 frosty nights a year. The nine coldest ones drop below 0 °F (-18 °C).

On an average of 40 days annually here the thermometer never rises above freezing. Days that chilly can occur from October to April. For nearly half of December and January the temperature remains below 32 °F all day long.

Days per month on average in Omaha when the minimum temperature drops to 20, 10 or 0 °F or below
  0 °F
-18 °C
10 °F
-12 °C
20 °F
-8 °C
January 5 11 20
February 2 7 14
March 1 2 6
April 0 0 1
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 0
November 0 1 5
December 2 6 16
Year 9 27 61
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

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