May weather forecastWilliamsport, OH
May
Weather in May
The last month of the spring, May, is a pleasant month in Williamsport, Ohio, with an average temperature ranging between max 72.7°F (22.6°C) and min 54°F (12.2°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's comfortable 62.1°F (16.7°C) to a pleasant 72.7°F (22.6°C). In Williamsport, the average nighttime temperature during May is a cool 54°F (12.2°C).Humidity
In Williamsport, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 3.74" (95mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Williamsport, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:26 pm. On the last day of May, sunrise is at 6:06 am and sunset at 8:53 pm EDT.
Sunshine
In Williamsport, the average sunshine in May is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Williamsport, OH
- Average high temperature in May: 72.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Williamsport, OH
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Williamsport, OH
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Williamsport, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Williamsport, OH
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Williamsport, OH
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in May
Williamsport, OH
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (3.43").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Williamsport, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Williamsport, OH
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Williamsport, OH
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in May
Williamsport, 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
Williamsport, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Williamsport, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
