April weather forecast
West Union, IL

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Weather in April

April is an enjoyable spring month in West Union, Illinois, with an average temperature varying between 46°F (7.8°C) and 62.4°F (16.9°C).

Temperature

West Union sees an increase in average high-temperatures during April, moving from a cool 51.4°F (10.8°C) in March to an enjoyable 62.4°F (16.9°C). West Union in April experiences a low-temperature average of 46°F (7.8°C).

Humidity

In April, the average relative humidity in West Union is 77%.

Rainfall

The month with the most rainfall in West Union is April, when the rain falls for 14.1 days and typically aggregates up to 3.54" (90mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in West Union. During 0.3 snowfall days, in April, West Union aggregates 0.08" (2mm) of snow. Throughout the year, in West Union, there are 22.1 snowfall days, and 7.4" (188mm) of snow is accumulated.

Daylight

In West Union, the average length of the day in April is 13h and 16min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:14 pm. On the last day of April, in West Union, sunrise is at 5:52 am and sunset at 7:43 pm CDT.

Sunshine

In April, the average sunshine in West Union, Illinois, is 8.2h.

UV index

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during April leads to these instructions:
Take precautions - Protection against sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in April in West Union?

The high-temperature during April is 62.4°F (16.9°C) and the low-temperature is 46°F (7.8°C).

What is the average humidity in April in West Union?

The average relative humidity in April in West Union, Illinois, is 77%.

What is the rainiest month in West Union?

April is the month with the most rainfall in West Union. Rain falls for 14.1 days and accumulates 3.54" (90mm) of precipitation.

How much does it rain in West Union in April?

In West Union, Illinois, in April, it is raining for 14.1 days, with typically 3.54" (90mm) of accumulated precipitation.

What is the last month it snows in West Union?

April is the last month it regularly snows in West Union, Illinois. During 0.3 snowfall days, in April, West Union aggregates 0.08" (2mm) of snow.

How many hours of daylight does West Union have in April?

In April, the average day length is 13h and 16min.

What time are sunrise and sunset in April in West Union?

On the first day of April in West Union, sunrise is at 6:33 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:43 pm CDT.

How long on average sun shines in April in West Union?

The average sunshine duration in April in West Union is 8.2h.

What is the UV index reading in April in West Union?

In April, the average daily maximum UV index in West Union is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
West Union, IL

Average temperature in April - West Union, IL
  • Average high temperature in April: 62.4°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in April: 46°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in April
West Union, IL

Average pressure in April - West Union, IL
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
West Union, IL

Average wind speed in April - West Union, IL
  • Average wind speed in April: 10.1mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in April
West Union, IL

Average humidity in April - West Union, IL
  • Average humidity in April: 77%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
West Union, IL

Average rainfall in April - West Union, IL
  • Average rainfall in April: 3.54"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days in April
West Union, IL

Average rainfall days in April - West Union, IL
  • Average rainfall days in April: 14.1 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in April
West Union, IL

Average snowfall in April - West Union, IL
  • Average snowfall in April: 0.08"

The month with the highest snowfall is December (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
West Union, IL

Average snowfall days in April - West Union, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
West Union, IL

Average daylight in April / Average sunshine in April - West Union, IL
  • 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: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in April
West Union, IL

Average sunshine days in April - West Union, IL
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in April
West Union, IL

Average UV index in April - West Union, IL
  • 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).

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Average cloud cover in April
West Union, IL

Average cloud cover in April - West Union, IL
  • Average cloud cover in April: 44

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in April
West Union, IL

Average visibility in April - West Union, IL
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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West Union, Illinois, USA

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