Owasso Climate by Month
Owasso, Oklahoma, United States
Hot summers and cold winters, with rain spread through the year.
Hot summers and cold winters, with rain spread through the year: that's Owasso's climate in short. Expect highs of 94°F (34°C) in July and 49°F (10°C) in January, with the coldest nights (January) near 27°F (-3°C). About 39 in (998 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 94°F(34°C)
- Average high, July
- Coldest nights
- 27°F(-3°C)
- Average low, January
- Rain per year
- 39 in(998 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: July
Best and worst months in Owasso
Best for weatherOctober is the best time for weather in Owasso: highs near 75°F (24°C) and about 3.1 in (79 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 49°F (10°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Owasso weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(10°C) | 27°F(-3°C) | 1.7 in(44 mm) | 65% | 2.3 |
| FebFebruary | 55°F(13°C) | 31°F(-1°C) | 1.8 in(46 mm) | 64% | 3.2 |
| MarMarch | 64°F(18°C) | 40°F(4°C) | 3.1 in(79 mm) | 61% | 4.0 |
| AprApril | 73°F(23°C) | 49°F(9°C) | 3.7 in(95 mm) | 60% | 5.0 |
| MayMay | 80°F(27°C) | 59°F(15°C) | 5.1 in(129 mm) | 69% | 5.6 |
| JunJune | 88°F(31°C) | 68°F(20°C) | 4.5 in(115 mm) | 67% | 6.3 |
| JulJuly | 94°F(34°C) | 72°F(22°C) | 4.0 in(102 mm) | 63% | 6.7 |
| AugAugust | 94°F(34°C) | 70°F(21°C) | 3.3 in(83 mm) | 62% | 6.0 |
| SepSeptember | 86°F(30°C) | 62°F(17°C) | 4.2 in(106 mm) | 63% | 5.0 |
| OctOctoberBest | 75°F(24°C) | 49°F(10°C) | 3.1 in(79 mm) | 63% | 3.6 |
| NovNovember | 62°F(17°C) | 38°F(3°C) | 2.7 in(68 mm) | 65% | 2.5 |
| DecDecember | 51°F(11°C) | 29°F(-1°C) | 2.0 in(52 mm) | 71% | 2.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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