Broken Arrow climate
Broken Arrow (Oklahoma, United States) has a humid subtropical climate (Köppen Cfa). The average temperature over the year is 15 °C60 °F, and about 1,114 mm44 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Broken Arrow climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin | Frost days |
|---|---|---|---|---|---|
| Jan | 745 | −326 | 236 | 552.2 | 23 |
| Feb | 1050 | −129 | 440 | 562.2 | 18 |
| Mar | 1661 | 439 | 1050 | 903.5 | 7 |
| Apr | 2271 | 949 | 1560 | 1174.6 | 1 |
| May | 2578 | 1559 | 2068 | 1586.2 | 0 |
| Jun | 3086 | 2068 | 2577 | 1094.3 | 0 |
| Jul | 3493 | 2272 | 2883 | 983.9 | 0 |
| Aug | 3493 | 2271 | 2882 | 1014.0 | 0 |
| Sep | 2985 | 1762 | 2374 | 933.7 | 0 |
| Oct | 2272 | 1049 | 1661 | 1064.2 | 1 |
| Nov | 1560 | 338 | 949 | 662.6 | 7 |
| Dec | 948 | −229 | 438 | 662.6 | 20 |
| Year | 3493 | −326 | 1560 | 1,11444 | 76 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total. Frost days are for the whole grid cell.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 78% | 53% | 2.5 | 9:58 |
| Feb | 77% | 59% | 3.1 | 10:49 |
| Mar | 75% | 58% | 4.2 | 11:52 |
| Apr | 75% | 56% | 5.2 | 13:04 |
| May | 78% | 57% | 5.8 | 14:04 |
| Jun | 75% | 47% | 6.7 | 14:36 |
| Jul | 66% | 43% | 6.6 | 14:23 |
| Aug | 65% | 44% | 5.9 | 13:31 |
| Sep | 68% | 41% | 5.0 | 12:21 |
| Oct | 70% | 45% | 3.7 | 11:12 |
| Nov | 74% | 48% | 2.7 | 10:12 |
| Dec | 79% | 55% | 2.2 | 9:43 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Broken Arrow is like
The warmest month is July, with an average high of 34 °C93 °F and a low of 22 °C72 °F. The coldest is January, when highs average 7 °C45 °F and lows −3 °C26 °F. Seasons are strongly marked: the warmest month is on average 26.1 °C46.9 °F warmer than the coldest.
It is wet, with about 1,114 mm44 in of precipitation per year. The wettest three-month stretch is April–June, which brings 34% of the annual total. The wettest month is May (158 mm6.2 in), the driest is January (55 mm2.2 in).
Relative humidity ranges from 65% in August to 79% in December. The clearest skies (lowest average cloud amount, 41%) are typical of September. Average wind speed near the ground ranges from 7 km/h (4 mph) in August to 11 km/h (7 mph) in March. Daylight lasts from about 9.7 hours in December to 14.6 hours in June.
Best time to visit Broken Arrow
Based on these averages, the most comfortable months for sightseeing and outdoor activities are April and September and October: average highs of 22 °C71 °F to 29 °C85 °F with 93 mm3.7 in to 117 mm4.6 in of precipitation per month.
The most challenging month is January, which is cold, with average highs of 7 °C45 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Broken Arrow
- Winter (December–February) — highs 745 to 10 °C50 °F, lows −326 to −1 °C29 °F, about 59 mm2.3 in of precipitation a month. Pack a warm coat, layers and closed shoes, an extra layer for the cooler mornings and evenings and shoes with good grip, as frost is common.
- Spring (March–May) — highs 1661 to 25 °C78 °F, lows 439 to 15 °C59 °F, about 122 mm4.8 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket, an extra layer for the cooler mornings and evenings and an umbrella or light rain jacket.
- Summer (June–August) — highs 3086 to 34 °C93 °F, lows 2068 to 22 °C72 °F, about 103 mm4.0 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water and an umbrella or light rain jacket.
- Autumn (September–November) — highs 1560 to 29 °C85 °F, lows 338 to 17 °C62 °F, about 88 mm3.5 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
How Broken Arrow compares
Compared with Tulsa, about 21 km to the northwest, Broken Arrow is on average 0.4 °C0.7 °F cooler and receives 11% more precipitation (1,114 mm44 in vs 1,008 mm40 in). The difference is largest in June (0.7 °C1.2 °F cooler).
Of the 222 places in the United States covered by World Climates, Broken Arrow is the 104th warmest by annual mean temperature and the 90th wettest by annual precipitation. See all of them on the United States climate page.
Places in other countries with the most similar temperature and rainfall pattern: Zhenjiang (China, Cfa), Changzhou (China, Cfa) and Jiangyin (China, Cfa).
Nearby places
- Tulsa 21 km · 16 °C61 °F · 1,008 mm40 in
- Oklahoma City 169 km · 16 °C61 °F · 878 mm35 in
- Norman 175 km · 16 °C61 °F · 898 mm35 in
- Wichita 228 km · 14 °C58 °F · 851 mm34 in
- Springfield 257 km · 13 °C56 °F · 1,213 mm48 in
- Olathe 326 km · 12 °C54 °F · 999 mm39 in
- Topeka 333 km · 13 °C55 °F · 961 mm38 in
- Denton 339 km · 18 °C65 °F · 922 mm36 in
Frequently asked questions
What is the warmest month in Broken Arrow?
July is the warmest month in Broken Arrow, with an average high of 34 °C (93 °F) and an average low of 22 °C (72 °F).
What is the coldest month in Broken Arrow?
January is the coldest month, with an average high of 7 °C (45 °F) and an average low of -3 °C (26 °F).
When does it rain the most in Broken Arrow?
May is the wettest month with about 158 mm (6.2 in) of precipitation; January is the driest with about 55 mm (2.2 in).
What is the best time to visit Broken Arrow?
Judging by long-term averages, the most comfortable months are April and September and October.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.