Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's frosty 45.5°F (7.5°C) to a refreshing 58.6°F (14.8°C). Throughout the nights in April, Williamston experiences an average low-temperature of 39.6°F (4.2°C).Humidity
The months with the lowest humidity are April, May, July and August, with an average relative humidity of 77%.Rainfall
In Williamston, in April, during 17.6 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Williamston, during the entire year, the rain falls for 174.2 days and collects up to 33.03" (839mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, in Williamston, it is snowing for 3.7 days. Throughout April, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 71.4 snowfall days, and 26.73" (679mm) of snow is accumulated.Daylight
In Williamston, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:19 pm EDT.
Sunshine
In Williamston, the average sunshine in April is 7.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Williamston have in April?
What is the UV index reading in April?
Average temperature in April
Williamston, OH
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Williamston, OH
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Williamston, OH
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in April
Williamston, OH
- Average humidity in April: 77%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, July and August (77%).
Average rainfall in April
Williamston, OH
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in April
Williamston, OH
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in April
Williamston, OH
- Average snowfall in April: 0.91"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Williamston, OH
- Average snowfall days in April: 3.7 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Williamston, OH
- Average daylight in April: 13h and 2min
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 April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in April
Williamston, OH
- Average sunshine days in April: 9.9 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in April
Williamston, OH
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Williamston, OH
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Williamston, OH
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Williamston, Ohio, USA
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