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
With the onset of April, Williamston's weather sees a temperature rise, transitioning from a wintry 41.5°F (5.3°C) in March to a cool 54.1°F (12.3°C). During April, Williamston sees a mean low-temperature of 36.9°F (2.7°C).Humidity
With an average relative humidity of 77%, April is the least humid month.Rainfall
In Williamston, in April, it is raining for 16.3 days, with typically 2.95" (75mm) of accumulated precipitation. In Williamston, during the entire year, the rain falls for 150.4 days and collects up to 24.65" (626mm) of precipitation.Snowfall
Months with snowfall in Williamston, Michigan, are January through May, October through December. In Williamston, during April, snow falls for 3.3 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, in Williamston, there are 66.3 snowfall days, and 19.17" (487mm) of snow is accumulated.Daylight
In Williamston, the average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 7:17 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:36 pm EDT.
Sunshine
The average sunshine in April in Williamston is 6.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in April suggests the following recommendations:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Williamston?
What is the least humid month in Williamston?
What is the average humidity in April in Williamston?
How many days does it rain in April in Williamston?
How much does it snow in Williamston in April?
What is the average length of the day in April in Williamston?
When is the sunrise / sunset in April in Williamston?
How many hours of sunshine does Williamston have in April?
What is the UV index intensity in April in Williamston?
Average temperature in April
Williamston, MI
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Williamston, MI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Williamston, MI
- Average wind speed in April: 9.9mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in April
Williamston, MI
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Williamston, MI
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days in April
Williamston, MI
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in April
Williamston, MI
- Average snowfall in April: 1.14"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Williamston, MI
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is January (17.5 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, MI
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in April
Williamston, MI
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in April
Williamston, MI
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Williamston, MI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Williamston, MI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Williamston, Michigan, USA
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