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 arrival coincides with a rise in the average high-temperature, moving from March's cool 50.4°F (10.2°C) to a refreshing 59.5°F (15.3°C). During April in Zillah, Washington, the average low-temperature is recorded at an icy 40.6°F (4.8°C).Humidity
The average relative humidity in April is 56%.Rainfall
In Zillah, in April, it is raining for 10.8 days, with typically 0.39" (10mm) of accumulated precipitation. In Zillah, during the entire year, the rain falls for 98.5 days and collects up to 6.97" (177mm) of precipitation.Snowfall
In Zillah, snow does not fall in April through August and October.Daylight
In Zillah, the average length of the day in April is 13h and 37min.On the first day of April in Zillah, sunrise is at 6:38 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:09 pm PDT.
Sunshine
The average sunshine in April in Zillah is 10.6h.UV index
In Zillah, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 in April translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. 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 in Zillah?
What is the average humidity in April in Zillah?
How much does it rain in Zillah in April?
When it does not snow in Zillah?
Does it snow in Zillah in April?
How many hours of daylight does Zillah have in April?
When are sunrise and sunset in April in Zillah?
How many hours of sunshine does Zillah have in April?
How high is the UV index in April in Zillah?
Average temperature in April
Zillah, WA
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (36.7°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in April
Zillah, WA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in April
Zillah, WA
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in April
Zillah, WA
- Average humidity in April: 56%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (38%).
Average rainfall in April
Zillah, WA
- Average rainfall in April: 0.39"
The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Zillah, WA
- Average rainfall days in April: 10.8 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in April
Zillah, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in April
Zillah, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (5 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Zillah, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in April
Zillah, WA
- Average sunshine days in April: 16 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in April
Zillah, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Zillah, WA
- Average cloud cover in April: 29
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Zillah, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Zillah, Washington, USA
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