Climate averages 1991–2020
Broken Arrow weather
in January.
A cool, moderately wet month: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Broken Arrow: daytime highs average 8.2°C and nights cool to about -0.7°C. By daytime temperature it is the coolest month of the year.
Expect about 53 mm of rain on roughly 6 days, which makes January a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 00 min on an average January day.
The nearest other city in this atlas is Tulsa (21 km away). In January its highs average 8.2°C, about as warm as Broken Arrow, with 47 mm of rain.
Among the 498 cities listed in the United States, Broken Arrow ranks joint 274th of 498 for the warmest January highs and joint 130th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Broken Arrow is 1.2°C cooler than that mean.
From January to February, average highs rise by 2.8°C to 11.1°C, and monthly rainfall rises from 53 mm to 56 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Broken Arrow climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 8.2°C-0.7°C | -0.7°C | 53 | 6.3 | 10.010 h |
| February | 11.1°C1.3°C | 1.3°C | 56 | 6.6 | 10.811 h |
| March | 16.1°C6.0°C | 6.0°C | 96 | 9.8 | 11.912 h |
| April | 21.0°C10.9°C | 10.9°C | 127 | 10.5 | 13.113 h |
| May | 25.4°C16.4°C | 16.4°C | 150 | 12.3 | 14.114 h |
| June | 30.2°C21.4°C | 21.4°C | 113 | 9.7 | 14.615 h |
| July | 32.9°C23.9°C | 23.9°C | 79 | 7.6 | 14.414 h |
| August | 32.6°C23.3°C | 23.3°C | 71 | 6.9 | 13.514 h |
| September | 28.1°C19.0°C | 19.0°C | 101 | 7.6 | 12.412 h |
| October | 21.9°C12.7°C | 12.7°C | 96 | 8.1 | 11.311 h |
| November | 15.0°C6.3°C | 6.3°C | 70 | 7.1 | 10.310 h |
| December | 9.4°C1.0°C | 1.0°C | 64 | 6.5 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Tulsa in JanuaryUnited States · 21 kmHigh 8.2°C · Low -0.8°C · 47 mm rain
- Fort Smith in JanuaryUnited States · 146 kmHigh 9.5°C · Low -0.1°C · 84 mm rain
- Fayetteville, United States in JanuaryUnited States · 147 kmHigh 7.2°C · Low -1.5°C · 68 mm rain
- Springdale in JanuaryUnited States · 150 kmHigh 7.3°C · Low -1.5°C · 65 mm rain
- Edmond in JanuaryUnited States · 158 kmHigh 8.8°C · Low -0.8°C · 35 mm rain
- Oklahoma City in JanuaryUnited States · 169 kmHigh 9.0°C · Low -0.8°C · 37 mm rain
- Norman in JanuaryUnited States · 175 kmHigh 9.3°C · Low 0.1°C · 37 mm rain
- Wichita in JanuaryUnited States · 228 kmHigh 6.1°C · Low -3.5°C · 27 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Broken Arrow) is explained once on the Broken Arrow year overview and on the Sources, method and limits page.