Bethany (OK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bethany.
Climate overview of Bethany
Temperatures in Bethany, Oklahoma, United States of America, vary greatly throughout the year. July is the hottest month at 34°C (93°F), while December is the coldest at 10°C (50°F).
The city receives around 916 mm (36 in) of rain/snowfall per year. It experiences a distinct dry season from December to February, with very warm summers and cold winters. May is the wettest month and January the driest. Sunshine peaks in August, when the city sees around 11.3 hours of sunshine per day.
Bethany Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bethany - and find the best time to visit.
Monthly Temperature in Bethany
The climate in Bethany is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a chilly 10°C (50°F) in December.
Nighttime temperatures range from 23°C (73°F) in July to -3°C (27°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bethany
Generally, Bethany receives mid-range precipitation levels, with 916 mm (36 in) annually. The seasons in Bethany bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 148 mm (5.8 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 23 mm (0.9 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Bethany Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Bethany
In Bethany, summer days are longer and more sunny, with daily sunshine hours peaking at 11.3 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Bethany by Month
The relative humidity is moderate throughout the year in Bethany.
The city experiences its highest humidity in January, reaching 62%. In August, the humidity drops to its lowest level at 48%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Bethany
The average wind speed over the year ranges from 5 m/s (10 knots) to 7 m/s (14 knots). It is lower in July, August and September and higher in March and April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Bethany
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April and October
- Warmest weather: July and August
- Most sunshine: June, 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 December to February, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Bethany
What is the best time to visit Bethany?
April and October typically offer the most optimal weather in Bethany. In contrast, July, August and December tend to have less optimal conditions. Bethany has a distinct dry season from December to February, with very warm summers and cold winters.
What temperatures can I expect in Bethany?
Daytime highs range from 10°C (50°F) in December to 34°C (93°F) in July. Nighttime lows range from -3°C (27°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Bethany get?
Annual rainfall is around 916 mm (36 in). May is the wettest month with 148 mm (5.8 in), while January is the driest with 23 mm (0.9 in).
How sunny is Bethany?
Bethany receives around 3,026 hours of sunshine per year. August is the sunniest month with 338 hours, while January is the cloudiest with just 163 hours. Overall, Bethany enjoys abundant sunshine.
Bethany 3-Day Forecast
Bethany on the map
Bethany is highlighted - select any city to see its climate.
Popular this month
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24°C (75°F) San Francisco22°C (72°F) 
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