Tulsa climate

Name: Tulsa
Address: US

Tulsa is warmest in July, with average highs of 33 °C, and coldest in January, when nights average -0.5 °C. May is the wettest month (146 mm) and January the driest (45 mm). Figures are 1991–2020 climate normals.

Across a full year Tulsa averages 1,043 mm of rain, 155 days above 25 °C and 48 days below freezing.

United States · 220 m elevation · population 413,066 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 33 °C
Coldest month January -0.5 °C
Driest month January 45 mm
Wettest month May 146 mm
Least cloud August 40 % cloud
Hottest on record August 44 °C
Coldest on record February -23 °C

What to expectTulsa through the year

Tulsa has a clear annual cycle: average daily highs run from 8.9 °C in January to 33 °C in July, a swing of 25 °C in mean temperature across the year.

Counted across a normal year, 155 days a year reach 25 °C, 89 of them reach 30 °C, 48 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in August.

Rain is strongly seasonal. May averages 146 mm against 45 mm in January — 3.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	8.9 °C	45 mm	50 %
February	11.8 °C	53 mm	54 %
March	17.1 °C	91 mm	53 %
April	21.8 °C	121 mm	51 %
May	26.1 °C	146 mm	55 %
June	30.7 °C	116 mm	47 %
July	33.5 °C	83 mm	41 %
August	33.1 °C	70 mm	40 %
September	28.7 °C	104 mm	40 %
October	22.5 °C	91 mm	40 %
November	15.5 °C	64 mm	46 %
December	9.8 °C	58 mm	51 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	8.9 °C	-0.5 °C	3.3 °C	23.1 °C	-19.7 °C	0	0	17
February	11.8 °C	1.5 °C	5.7 °C	28.0 °C	-22.6 °C	0	0	11
March	17.1 °C	6.3 °C	10.7 °C	32.6 °C	-17.1 °C	2	0	4
April	21.8 °C	11.2 °C	15.8 °C	34.1 °C	-3.2 °C	8	1	0
May	26.1 °C	16.5 °C	20.8 °C	35.7 °C	3.1 °C	20	5	0
June	30.7 °C	21.5 °C	25.8 °C	40.2 °C	12.3 °C	29	18	0
July	33.5 °C	24.0 °C	28.4 °C	42.2 °C	15.7 °C	31	27	0
August	33.1 °C	23.4 °C	27.9 °C	43.5 °C	14.8 °C	31	25	0
September	28.7 °C	19.2 °C	23.5 °C	40.4 °C	6.2 °C	25	11	0
October	22.5 °C	13.0 °C	17.1 °C	33.7 °C	-3.3 °C	10	1	0
November	15.5 °C	6.6 °C	10.4 °C	28.6 °C	-9.1 °C	1	0	3
December	9.8 °C	1.3 °C	4.8 °C	23.9 °C	-14.8 °C	0	0	13

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	45 mm	6	10.0 h/day	50 %	67 %	19 km/h
February	53 mm	6	11 h/day	54 %	66 %	19 km/h
March	91 mm	9	12 h/day	53 %	65 %	21 km/h
April	121 mm	10	13 h/day	51 %	65 %	22 km/h
May	146 mm	12	14 h/day	55 %	70 %	20 km/h
June	116 mm	10	15 h/day	47 %	68 %	18 km/h
July	83 mm	8	14 h/day	41 %	63 %	15 km/h
August	70 mm	7	14 h/day	40 %	62 %	15 km/h
September	104 mm	8	12 h/day	40 %	65 %	16 km/h
October	91 mm	8	11 h/day	40 %	65 %	18 km/h
November	64 mm	7	10 h/day	46 %	67 %	19 km/h
December	58 mm	6	9.7 h/day	51 %	70 %	18 km/h

How Tulsa compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Tulsa	33 °C	-0.5 °C	1,043 mm	155
Oklahoma City · United States	34 °C	-0.2 °C	830 mm	162
Wichita · United States	33 °C	-3.0 °C	890 mm	143
Springfield · United States	31 °C	-2.6 °C	1,117 mm	129

Where Tulsa ranks

Ranking	Position	Value
Places with the best weather in North America in October	39thof 50	93/100
The warmest places in North America in July	45thof 50	33 °C
The warmest places in North America in August	50thof 50	33 °C

Planning a trip? See the best time to visit Tulsa.

QuestionsCommon questions about Tulsa’s climate

When is the best time to visit Tulsa?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, September, October sit closest to 20 °C on average, July is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Tulsa get?

In July, the warmest month, daily highs average 33 °C. About 89 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.

How cold does it get in winter?

Nights average -0.5 °C in January, the coldest month. A normal year has 48 nights below freezing.

Which month is wettest in Tulsa?

May, averaging 146 mm over 12 days with rain. The driest month is January with 45 mm. The year as a whole averages 1,043 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Tulsa rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.