April weather forecastWilliamsport, OH
April
Weather in April
April in Williamsport, Ohio, is a refreshing spring month, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 62.1°F (16.7°C).Temperature
In April, the average high-temperature increases from a cool 50.2°F (10.1°C) in March to a refreshing 62.1°F (16.7°C). An average low-temperature of 44.1°F (6.7°C) is noted during the month of April.Humidity
In Williamsport, the average relative humidity in April is 76%.Rainfall
In Williamsport, in April, it is raining for 16.4 days, with typically 3.23" (82mm) of accumulated precipitation. In Williamsport, Ohio, during the entire year, the rain falls for 168.9 days and collects up to 32.4" (823mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Williamsport. April is the last month it regularly snows. During 0.9 snowfall days, in April, Williamsport aggregates 0.2" (5mm) of snow. In Williamsport, during the entire year, snow falls for 39.4 days and aggregates up to 13.58" (345mm) of snow.Daylight
The average length of the day in April is 13h and 17min.On the first day of April, sunrise is at 7:15 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:25 pm EDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 in April translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Williamsport, OH
- Average high temperature in April: 62.1°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 April: 44.1°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 April
Williamsport, OH
- Average pressure in April: 29.97"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 April
Williamsport, OH
- Average wind speed in April: 8.6mph
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 April
Williamsport, OH
- Average humidity in April: 76%
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 April
Williamsport, OH
- Average rainfall in April: 3.23"
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 April
Williamsport, OH
- Average rainfall days in April: 16.4 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 April
Williamsport, OH
- Average snowfall in April: 0.2"
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 April
Williamsport, OH
- Average snowfall days in April: 0.9 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 April /
Average sunshine in April
Williamsport, OH
- Average daylight in April: 13h and 18min
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 April: 7h and 48min
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 April
Williamsport, OH
- Average sunshine days in April: 12 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 April
Williamsport, OH
- Average UV index in April: 4
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 April
Williamsport, OH
- Average cloud cover in April: 44
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 April
Williamsport, OH
- Average visibility in April: 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).





