May weather forecast
Bloomington, IL

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Weather in May

May in Bloomington signifies the full bloom of spring, with mild temperatures and ample sunshine. The month is characterized by increasingly comfortable day temperatures, reinforcing the spring vibrancy. Increased rainfall nurtures the local flora, painting the city with various hues of greens. Towards the month's end, there is a decline in the frequency of rainy days. As the city basks in the lively spring weather, May also bids farewell to the season and prepares for the approaching summer weather.

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from a moderate 60.4°F (15.8°C) in April to a pleasant 72°F (22.2°C). An average low-temperature of 55.4°F (13°C) is anticipated throughout the nights in Bloomington during May.

Humidity

In May, the average relative humidity in Bloomington is 77%.

Rainfall

May is the month with the most rainfall in Bloomington. Rain falls for 17.5 days and accumulates 2.99" (76mm) of precipitation.

Snowfall

In Bloomington, snow does not fall in May through September.

Daylight

In Bloomington, the average length of the day in May is 14h and 27min.
On the first day of May in Bloomington, sunrise is at 5:53 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:19 pm CDT.

Sunshine

In May, the average sunshine in Bloomington is 8.6h.

UV index

The average daily maximum UV index in May in Bloomington is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the average May temperature in Bloomington?

The high-temperature, in May, in Bloomington, is 72°F (22.2°C), while the low-temperature averages to 55.4°F (13°C).

What is the average humidity in May in Bloomington?

The average relative humidity in May is 77%.

What is the wettest month in Bloomington?

The month with the most rainfall is May, when the rain falls for 17.5 days and typically aggregates up to 2.99" (76mm) of precipitation.

How much does it rain in Bloomington in May?

In May, in Bloomington, Illinois, the rain falls for 17.5 days. Throughout May, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Bloomington?

May through September are months without snowfall.

Does it snow in Bloomington in May?

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

What is the average length of the day in May in Bloomington?

The average day length in May in Bloomington, Illinois, is 14h and 27min.

When is the sunrise / sunset in May in Bloomington?

In May, on the first day of the month, sunrise is at 5:53 am and sunset at 7:52 pm. On the last day of the month, in Bloomington, sunrise is at 5:27 am and sunset at 8:19 pm CDT.

How long on average sun shines in May in Bloomington?

In May, the average sunshine duration in Bloomington, Illinois, is 8.6h.

How high is the UV index in May in Bloomington?

In Bloomington, 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
Bloomington, IL

Average temperature in May - Bloomington, IL
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 55.4°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 (18.9°F).

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Average pressure in May
Bloomington, IL

Average pressure in May - Bloomington, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Bloomington, IL

Average wind speed in May - Bloomington, IL
  • Average wind speed in May: 9.3mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Bloomington, IL

Average humidity in May - Bloomington, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Bloomington, IL

Average rainfall in May - Bloomington, IL
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in May
Bloomington, IL

Average rainfall days in May - Bloomington, IL
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in May
Bloomington, IL

Average snowfall in May - Bloomington, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Bloomington, IL

Average snowfall days in May - Bloomington, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Bloomington, IL

Average daylight in May / Average sunshine in May - Bloomington, IL
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Bloomington, IL

Average sunshine days in May - Bloomington, IL
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in May
Bloomington, IL

Average UV index in May - Bloomington, 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
Bloomington, IL

Average cloud cover in May - Bloomington, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

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Average visibility in May
Bloomington, IL

Average visibility in May - Bloomington, IL
  • Average visibility in May: 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).

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Bloomington, Illinois, USA

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