Climate Insights for Bethesda

The climate in Bethesda is hot. The average annual temperature is 26°C and approximately 858 mm of precipitation falls per year. Bethesda receives a notable amount of rainfall throughout the year, including during its driest month. Bethesda is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 24°C.The climate in Bethesda is hot. The average annual temperature is 80°F and approximately 33.8 in of precipitation falls per year. Bethesda receives a notable amount of rainfall throughout the year, including during its driest month. Bethesda is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 76°F.

Bethesda has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.Bethesda has relatively stable temperatures year-round, staying within a 7°F range. The warmest month is September, when average highs reach 83°F and the mean temperature sits around 82°F. February is the coolest month, with minimum temperatures around 76°F and an average of 77°F. Daily temperature variation is modest, with an average difference of 3°F between highs and lows.

Bethesda is a moderately rainy area, receiving approximately 858 mm of precipitation annually, which averages out to around 72 mm per month. The wettest month is September, averaging 134 mm of rainfall. October and November also tend to see above-average precipitation. The driest month is March, with just 33 mm. That's 101 mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Bethesda is a moderately rainy area, receiving approximately 33.8 in of precipitation annually, which averages out to around 2.8 in per month. The wettest month is September, averaging 5.3 in of rainfall. October and November also tend to see above-average precipitation. The driest month is March, with just 1.3 in. That's 4 in less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Bethesda is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months.Bethesda is very windy, with an average annual wind speed of 15mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 17mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 13mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4mph between the calmest and windiest months.

The table below shows monthly climate averages for Bethesda based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Bethesda based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.