May weather forecast
West Union, IL

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Weather in May

The last month of the spring, May, is an agreeable month in West Union, Illinois, with an average temperature varying between 73°F (22.8°C) and 56.5°F (13.6°C).

Temperature

May brings a rise in West Union's average high-temperature, moving from an enjoyable 62.4°F (16.9°C) in April to a pleasant 73°F (22.8°C). During May, West Union witnesses a consistent average low-temperature of 56.5°F (13.6°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In West Union, in May, during 18.8 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 145.2 rainfall days, and 24.76" (629mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in West Union.

Daylight

In West Union, Illinois, the average length of the day in May is 14h and 20min.
On the first day of May in West Union, Illinois, sunrise is at 5:51 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:10 pm CDT.

Sunshine

The average sunshine in May in West Union, Illinois, is 8.9h.

UV index

In May, the average daily maximum UV index in West Union is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in May in West Union?

The high-temperature, in May, in West Union, is 73°F (22.8°C), while the low-temperature averages to 56.5°F (13.6°C).

What is the average humidity in May in West Union?

In West Union, the average relative humidity in May is 80%.

How many days does it rain in May in West Union?

In West Union, Illinois, in May, it is raining for 18.8 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow in West Union?

In West Union, Illinois, snow does not fall in May through October.

Does it snow in West Union in May?

In May, in West Union, it doesn't snow. April is the latest month when it typically snows.

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

In West Union, Illinois, the average day length in May is 14h and 20min.

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

On the first day of May, sunrise is at 5:51 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:10 pm CDT.

How many hours of sunshine does West Union have in May?

In May, the average sunshine duration in West Union, Illinois, is 8.9h.

How high is the UV index in May in West Union?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
West Union, IL

Average temperature in May - West Union, IL
  • Average high temperature in May: 73°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 May: 56.5°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 May
West Union, IL

Average pressure in May - West Union, IL
  • Average pressure in May: 29.96"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 May
West Union, IL

Average wind speed in May - West Union, IL
  • Average wind speed in May: 8.3mph

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 May
West Union, IL

Average humidity in May - West Union, IL
  • Average humidity in May: 80%

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 May
West Union, IL

Average rainfall in May - West Union, IL
  • Average rainfall in May: 2.87"

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 May
West Union, IL

Average rainfall days in May - West Union, IL
  • Average rainfall days in May: 18.8 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 May
West Union, IL

Average snowfall in May - West Union, IL
  • Average snowfall in May: 0"

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 May
West Union, IL

Average snowfall days in May - West Union, IL
  • Average snowfall days in May: 0 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 May /
Average sunshine in May
West Union, IL

Average daylight in May / Average sunshine in May - West Union, IL
  • Average daylight in May: 14h 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 May: 8h and 5min

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 May
West Union, IL

Average sunshine days in May - West Union, IL
  • Average sunshine days in May: 9.8 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 May
West Union, IL

Average UV index in May - West Union, IL
  • Average UV index in May: 5

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 May
West Union, IL

Average cloud cover in May - West Union, IL
  • Average cloud cover in May: 41

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 May
West Union, IL

Average visibility in May - West Union, IL
  • Average visibility in May: 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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