May weather forecastBluffton, OH
May
Weather in May
The last month of the spring, May, is an agreeable month in Bluffton, Ohio, with an average temperature ranging between max 70.3°F (21.3°C) and min 53.4°F (11.9°C).Temperature
May's arrival signals an increase in average high-temperatures, moving from April's moderate 58.6°F (14.8°C) to a pleasant 70.3°F (21.3°C). Throughout May, the average low-temperature dips to a fresh 53.4°F (11.9°C).Humidity
In Bluffton, the average relative humidity in May is 77%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.8 days and typically aggregates up to 1.22" (31mm) of precipitation.Snowfall
In Bluffton, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:32 pm. On the last day of May, sunrise is at 6:06 am and sunset at 9:00 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Bluffton, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during May leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bluffton, OH
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 53.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Bluffton, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Bluffton, OH
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Bluffton, OH
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Bluffton, OH
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is May (1.22").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in May
Bluffton, OH
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in May
Bluffton, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Bluffton, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bluffton, OH
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Bluffton, OH
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Bluffton, OH
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Bluffton, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Bluffton, OH
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
