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 witnesses a minor rise in the average high-temperature, transitioning from a comfortable 62.6°F (17°C) in March to an agreeable 70.3°F (21.3°C). April nights bring a significant cooling from the heat of the day, with averages of 47.3°F (8.5°C).Humidity
The average relative humidity in April in Williams is 61%.Rainfall
In Williams, California, in April, it is raining for 8.9 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Williams, there are 76.6 rainfall days, and 13.11" (333mm) of precipitation is accumulated.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 April in Williams, sunrise is at 6:51 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:01 pm PDT.
Sunshine
In April, the average sunshine in Williams, California, is 10.3h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in April leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the temperatures in Williams in April?
What is the average humidity in April in Williams?
How much does it rain in Williams in April?
When it does not snow in Williams?
What is the average length of the day in April in Williams?
When are sunrise and sunset in April in Williams?
How long on average sun shines in April in Williams?
What is the UV index intensity in April in Williams?
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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