May weather forecastBethesda, OH
May
Weather in May
May, the last month of the spring in Bethesda, is an agreeable month, with an average temperature fluctuating between 51.4°F (10.8°C) and 72.1°F (22.3°C).Temperature
Observing a rise in May, the average high-temperature goes from April's refreshing 61.3°F (16.3°C) to a pleasant 72.1°F (22.3°C). During May, an average low-temperature of 51.4°F (10.8°C) is observed in Bethesda.Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Bethesda. Rain falls for 15.3 days and accumulates 1.3" (33mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Bethesda. During 0.2 snowfall days, in May, Bethesda aggregates 0.12" (3mm) of snow. Throughout the year, there are 34.6 snowfall days, and 4.72" (120mm) of snow is accumulated.Daylight
In May, the average length of the day in Bethesda is 14h and 25min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:57 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bethesda, OH
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Bethesda, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Bethesda, OH
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Bethesda, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Bethesda, OH
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in May
Bethesda, OH
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in May
Bethesda, OH
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bethesda, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bethesda, OH
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Bethesda, OH
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in May
Bethesda, OH
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Bethesda, OH
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Bethesda, OH
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





