National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Tulsa, Oklahoma Climatology

 
Tulsa, OK   Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average High Temperature   48.9 54.0 63.3 72.1 79.7 88.4 93.6 93.0 84.8 73.6 61.4 50.9 72.0
Average Low Temperature   28.0 31.7 40.7 49.5 59.5 68.7 73.1 71.5 62.8 50.9 39.4 31.1 50.6
Average Mean Temperature   38.5 42.8 52.0 60.8 69.6 78.6 83.4 82.2 73.8 62.3 50.4 41.0 61.3
* Record High Temperature   82 90 99 102 100 108 113 115 109 98 89 80 115
* Record Low Temperature   -16 -15 -3 22 32 49 51 48 35 15 10 -8 -16
Average Days at or above 100 Degrees   0 0 0 0 0 0.5 4.4 5.3 0.6 0 0 0 10.8
Average Days at or above 90 Degrees   0 0 0.2 0.4 3.0 14.2 24.0 22.2 9.0 1.0 0 0 74.0
Average Days at or below 32 Degrees   21.5 15.5 6.8 1.1 0 0 0 0 0 0.7 8.0 18.3 71.9
Average Days at or below 0 Degrees   0 0.2 0 0 0 0 0 0 0 0 0 0 0.2
Average Rainfall   1.63 1.62 3.10 4.37 5.73 4.65 3.76 3.38 3.85 3.78 2.66 2.43 40.96
* Record Rainfall   6.74 5.74 11.94 10.99 18.00 14.87 11.39 11.80 18.81 16.51 12.44 8.70 69.88
** Record Rainfall in 24 Hours   2.25 4.34 3.17 4.58 9.27 5.01 7.54 5.37 6.39 5.80 5.25 4.98 9.27
* Record Least Rainfall   0 0 0.08 0.34 0.80 0.11 T 0 0 T T 0 23.24
Average Number of Rain Days   6.0 6.6 8.6 9.1 11.1 9.1 7.3 6.9 7.8 8.4 6.7 6.7 94.3
^Average Number of Thunderstorm Days   1 1 3 6 9 8 6 6 5 3 2 1 50
Average Snowfall   1.9 2.4 1.9 0 0 0 0 0 0 0 0.8 1.7 8.7
* Record Snowfall   12.7 22.5 19.7 1.7 T 0 0 0 0 0.3 10.5 11.4 29.6
Measurable Snowfall:   Latest / April 12 (1.7" in 1957) Earliest / October 29 (0.3" in 1993)
Trace of Snowfall:   Latest / May 2 (in 2013) Earliest / October 7 (in 2000)
***Average Sunshine (%)   53 56 58 60 60 66 74 73 66 64 56 53 62
***Average Wind Speed (mph)   10.4 10.7 11.9 11.9 10.6 9.9 9.3 8.8 9.1 9.6 10.3 10.1 10.2
Average Heating Degree Days   823 622 418 179 41 1 0 0 17 160 446 744 3451
Average Cooling Degree Days   1 2 15 53 183 407 569 535 281 74 8 1 2128
Average Date Of 32 Degrees:   Last: March 29 First: November 3
*Freezing Temperature:   Latest Recorded: May 2 (in 1909) Earliest Recorded: October 7 (in 2012)
Station Information   Elevation: 650 ft / Latitude: 36 11N / Longitude: 95 54W

Temperatures are reported in Fahrenheit and rainfall/snowfall totals are reported in inches.
Rain days are defined as a day with 0.01 inches or more of rain.
* Temperature records are for the period January 1905-Present.
* Rainfall records are for the period January 1888-Present.
** Record Rainfall in 24 hours are for the period 1938-Present.
* Snowfall records are for the period January 1900-Present.

Averages are for the period 1991-2020.
***Averages are for the period 1971-2000.
^Averages are for the period 1961-1990.

(Annual totals may be slightly different than monthly totals due to rounding.)

 

Updated: June 5, 2025