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 onset in Williams is marked by a subtle temperature increase, moving from a cool 55°F (12.8°C) in March to a refreshing 62.2°F (16.8°C). In Williams, the nighttime chill during April is a clear shift from the day's highs, with an average of 39.6°F (4.2°C).Humidity
In April, the average relative humidity is 35%.Rainfall
In Williams, in April, it is raining for 5.7 days, with typically 0.67" (17mm) of accumulated precipitation. In Williams, Arizona, during the entire year, the rain falls for 70.4 days and collects up to 10" (254mm) of precipitation.Snowfall
Months with snowfall in Williams are January through May, October through December. In Williams, Arizona, in April, snow falls for 2.3 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, in Williams, there are 28.2 snowfall days, and 24.72" (628mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 7min.On the first day of April in Williams, sunrise is at 6:14 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:14 pm MST.
Sunshine
In Williams, the average sunshine in April is 10.8h.UV index
In April, the average daily maximum UV index in Williams is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in April transforms into this advice:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. 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 in Williams?
What is the average humidity in April in Williams?
How many days does it rain in April in Williams?
How many days does it snow in April in Williams?
How many hours of daylight does Williams have in April?
When are sunrise and sunset in April in Williams?
How many hours of sunshine does Williams have in April?
What is the UV index reading in April in Williams?
Average temperature in April
Williams, AZ
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in April
Williams, AZ
- Average pressure in April: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Williams, AZ
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in April
Williams, AZ
- Average humidity in April: 35%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is June (23%).
Average rainfall in April
Williams, AZ
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Williams, AZ
- Average rainfall days in April: 5.7 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is June (2.1 days).
Average snowfall in April
Williams, AZ
- Average snowfall in April: 1.73"
The month with the highest snowfall is December (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Williams, AZ
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is December (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Williams, AZ
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in April
Williams, AZ
- Average sunshine days in April: 22.8 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in April
Williams, AZ
- 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, AZ
- Average cloud cover in April: 15
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in April
Williams, AZ
- 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, Arizona, USA
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