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 is noticed by a slight rise in the average high-temperature, advancing from a refreshing 62.6°F (17°C) in March to an agreeable 70.3°F (21.3°C). Williams reports a marked divergence from daytime peaks throughout April, with lows averaging at a frosty 47.3°F (8.5°C).Humidity
In Williams, the average relative humidity in April is 61%.Rainfall
In Williams, in April, during 8.9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Williams, during the entire year, the rain falls for 76.6 days and collects up to 13.11" (333mm) of precipitation.Snowfall
In Williams, California, snow does not fall in January through November.Daylight
In April, the average length of the day in Williams is 13h and 16min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:10 am and sunset at 8:01 pm PDT.
Sunshine
The average sunshine in April is 10.3h.UV index
In Williams, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the UV index of 5 transforms into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
How many hours of daylight does Williams have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Williams have in April?
How high is the UV index in April?
Average temperature in April
Williams, CA
- Average high temperature in April: 70.3°F
The warmest month (with the highest average high temperature) is July (97°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in April
Williams, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Williams, CA
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in April
Williams, CA
- Average humidity in April: 61%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (37%).
Average rainfall in April
Williams, CA
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in April
Williams, CA
- Average rainfall days in April: 8.9 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (0.9 days).
Average snowfall in April
Williams, CA
- Average snowfall in April: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Williams, CA
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are February, March and December (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Williams, CA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 10h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Williams, CA
- Average sunshine days in April: 19.9 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (16.5 days).
Average UV index in April
Williams, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Williams, CA
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Williams, CA
- 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, California, USA
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