Blackwell (OK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Blackwell.
Climate overview of Blackwell
Temperatures in Blackwell, Oklahoma, United States of America, vary greatly throughout the year. July is the hottest month at 34°C (93°F), while January is the coldest at 9°C (48°F).
Blackwell sees a moderate amount of rain/snowfall, totalling around 927 mm (36 in) per year. It experiences a distinct dry season from January to February, with very warm summers and cold winters, creating some seasonal variation.
Blackwell Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Blackwell - and find the best time to visit.
Monthly Temperature in Blackwell
The climate in Blackwell is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 34°C (93°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.
At night, you can expect temperatures ranging from 21°C (70°F) in July to around -5°C (23°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Blackwell
Generally, Blackwell receives mid-range precipitation levels, with 927 mm (36 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives high rainfall, averaging 140 mm (5.5 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month January brings less rainfall, with 14 mm (0.6 in) over 3 rainy days. For more details, please visit our Blackwell Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Blackwell
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: October
- Warmest weather: July and August
- Fewest rainy days: January and November
- Wettest months: April, May, June, July and August, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to February, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Blackwell
What is the best time to visit Blackwell?
October typically offers the most optimal weather in Blackwell. In contrast, February, July, August and December tend to have less optimal conditions. Blackwell has a distinct dry season from January to February, with very warm summers and cold winters.
What temperatures can I expect in Blackwell?
Daytime highs range from 9°C (48°F) in January to 34°C (93°F) in July. Nighttime lows range from -5°C (23°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Blackwell get?
Annual rainfall is around 927 mm (36 in). May is the wettest month with 140 mm (5.5 in), while January is the driest with 14 mm (0.6 in).
Blackwell 3-Day Forecast
Blackwell (OK) 3-Day Forecast
Blackwell on the map
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