May weather forecastHenley, OH
May
Weather in May
May, the last month of the spring in Henley, is a moderately hot month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 75.2°F (24°C).Temperature
May brings a temperature increase, with average high-temperatures moving from April's enjoyable 64.9°F (18.3°C) to a moderately hot 75.2°F (24°C). Henley's average low-temperature in May is measured at a cool 54.3°F (12.4°C).Humidity
The average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.19" (81mm) of precipitation.Snowfall
In Henley, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:25 pm. On the last day of May, sunrise is at 6:09 am and sunset at 8:51 pm EDT.
Sunshine
In Henley, the average sunshine in May is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Henley, OH
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Henley, OH
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Henley, OH
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Henley, OH
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Henley, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Henley, OH
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Henley, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Henley, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Henley, OH
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Henley, OH
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10 days).
Average UV index in May
Henley, OH
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Henley, OH
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Henley, OH
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).





