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
Williams's transition into April sees a rise in the average high-temperature, advancing from a refreshing 55.6°F (13.1°C) in March to an enjoyable 66.6°F (19.2°C). Nighttime temperatures consistently average a frosty 48.9°F (9.4°C) during April.Humidity
In April, the average relative humidity is 77%.Rainfall
The month with the most rainfall is April, when the rain falls for 13 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Williams aggregates 0.04" (1mm) of snow. Throughout the year, there are 15.2 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:14 pm. On the last day of April, sunrise is at 5:56 am and sunset at 7:40 pm CDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In Williams, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
What is the rainiest month?
How many days does it rain in April in Williams?
What is the last month it snows?
How many hours of daylight does Williams have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April in Williams?
Average temperature in April
Williams, KY
- Average high temperature in April: 66.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in April: 48.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in April
Williams, KY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Williams, KY
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in April
Williams, KY
- Average humidity in April: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Williams, KY
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in April
Williams, KY
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in April
Williams, KY
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Williams, KY
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.4 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, KY
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Williams, KY
- Average sunshine days in April: 14.9 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in April
Williams, KY
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Williams, KY
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Williams, KY
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Williams, Kentucky, USA
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