May weather forecast
Bloomington, IN

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Weather in May

May in Bloomington marks the official transition to the summer season. There is a significant improvement in weather conditions, especially when contrasted with April’s 2.56" (65mm) of rainfall. A distinct flurry of activities revitalizes the city after the long winter and spring seasons. The abundant sunshine coupled with soaring temperatures sends people flocking to parks and the city’s outdoor spaces. However, they are not oblivious to the necessity of sunscreen, made evident by an increase in the UV-index level.

Temperature

May comes with an increase, with the average high-temperature moving from an enjoyable 63.1°F (17.3°C) in April to a pleasant 72.9°F (22.7°C). Bloomington reports an average nighttime low-temperature of 55.8°F (13.2°C) in May.

Humidity

May and December, with an average relative humidity of 82%, are the most humid months in Bloomington, Indiana.

Rainfall

In Bloomington, in May, it is raining for 19.2 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, in Bloomington, Indiana, there are 150.5 rainfall days, and 27.56" (700mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Bloomington, Indiana, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:46 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 9:06 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Bloomington?

The average high-temperature, in May, in Bloomington, is 72.9°F (22.7°C), while the average low-temperature is 55.8°F (13.2°C).

What are the most humid months in Bloomington?

The months with the highest humidity are May and December, with an average relative humidity of 82%.

What is the average humidity in May in Bloomington?

In May, the average relative humidity in Bloomington, Indiana, is 82%.

How many days does it rain in May in Bloomington?

In Bloomington, Indiana, in May, it is raining for 19.2 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in Bloomington?

In Bloomington, Indiana, snow does not fall in May through October.

Does it snow in Bloomington in May?

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

How many hours of daylight does Bloomington have in May?

In May, the average day length is 14h and 20min.

When are sunrise and sunset in May in Bloomington?

In May, on the first day of the month, sunrise is at 6:46 am and sunset at 8:39 pm. On the last day of the month, in Bloomington, sunrise is at 6:21 am and sunset at 9:06 pm EDT.

How long on average sun shines in May in Bloomington?

The average sunshine duration in May in Bloomington, Indiana, is 8.6h.

What is the month with the highest UV index in Bloomington?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Bloomington, Indiana.

What is the UV index reading in May in Bloomington?

The average daily maximum UV index in May in Bloomington is 6. A UV Index of 6 to 7 symbolizes a high health risk 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, IN

Average temperature in May - Bloomington, IN
  • Average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in May: 55.8°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 (22.5°F).

Average pressure in May
Bloomington, IN

Average pressure in May - Bloomington, IN
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Bloomington, IN

Average wind speed in May - Bloomington, IN
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Bloomington, IN

Average humidity in May - Bloomington, IN
  • Average humidity in May: 82%

The months with the highest relative humidity are May and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in May
Bloomington, IN

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

The wettest month (with the highest rainfall) is April (3.11").
The driest months (with the least rainfall) are September and October (1.65").

Average rainfall days in May
Bloomington, IN

Average rainfall days in May - Bloomington, IN
  • Average rainfall days in May: 19.2 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
Bloomington, IN

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

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Bloomington, IN

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

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Bloomington, IN
  • 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in May
Bloomington, IN

Average sunshine days in May - Bloomington, IN
  • Average sunshine days in May: 9.2 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in May
Bloomington, IN

Average UV index in May - Bloomington, IN
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October and December (UV index 2).

Average cloud cover in May
Bloomington, IN

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
Bloomington, IN

Average visibility in May - Bloomington, IN
  • Average visibility in May: 5mi

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

Bloomington, Indiana, USA

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