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
The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 47.1°F (8.4°C) in March to a mild 59.2°F (15.1°C). In Galva, the average nighttime temperature during April is a wintry 42.4°F (5.8°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In Galva, in April, during 16.3 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. Throughout the year, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
Months with snowfall in Galva are January through April, October through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Galva aggregates 1.02" (26mm) of snow. Throughout the year, in Galva, Illinois, there are 37 snowfall days, and 12.91" (328mm) of snow is accumulated.Daylight
In Galva, the average length of the day in April is 13h and 21min.On the first day of April in Galva, sunrise is at 6:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:56 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during April translates into the following guidance:
Take necessary precautions - Suggestions to elude sunburn are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the average April temperature in Galva?
What is the average humidity in April in Galva?
How much does it rain in Galva in April?
What is the last month it snows in Galva?
How many hours of daylight does Galva have in April?
When are sunrise and sunset in April in Galva?
How many hours of sunshine does Galva have in April?
What is the UV index reading in April in Galva?
Average temperature in April
Galva, IL
- Average high temperature in April: 59.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Galva, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Galva, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Galva, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Galva, IL
- Average rainfall in April: 3.5"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").
Average rainfall days in April
Galva, IL
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in April
Galva, IL
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Galva, IL
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (11.4 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
Galva, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Galva, IL
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in April
Galva, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Galva, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Galva, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Galva, Illinois, USA
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