April weather forecastWilliams, IN
April
Weather in April
April is a refreshing spring month in Williams, Indiana, with an average temperature varying between 64.2°F (17.9°C) and 46°F (7.8°C).Temperature
The onset of April brings a temperature shift, with the average high-temperature moving from a cool 52.3°F (11.3°C) in March to an enjoyable 64.2°F (17.9°C). An average low-temperature of 46°F (7.8°C) is observed during April nights.Humidity
In April, the average relative humidity is 78%.Rainfall
In Williams, Indiana, during April, the rain falls for 13.9 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Williams, during the entire year, the rain falls for 135.6 days and collects up to 17.64" (448mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.5 snowfall days, in April, Williams aggregates 0.04" (1mm) of snow. In Williams, during the entire year, snow falls for 24.4 days and aggregates up to 4.41" (112mm) of snow.Daylight
In Williams, the average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 7:29 am and sunset at 8:10 pm. On the last day of April, sunrise is at 6:49 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in April is 7.3h.UV index
In Williams, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in April transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Keep in mind! Snow's reflective quality 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
Average temperature in April
Williams, IN
- Average high temperature in April: 64.2°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Williams, IN
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Williams, IN
- Average wind speed in April: 7.8mph
The windiest months (with the highest average wind speed) are January, February and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in April
Williams, IN
- Average humidity in April: 78%
The months with the highest relative humidity are February, May and December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Williams, IN
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in April
Williams, IN
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Williams, IN
- Average snowfall in April: 0.04"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Williams, IN
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Williams, IN
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 7h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in April
Williams, IN
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in April
Williams, IN
- Average UV index in April: 4
The months with the highest UV index are 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
Williams, IN
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Williams, IN
- Average visibility in April: 6mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
