May weather forecast
Indianapolis, IN

The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape
The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape

Weather in May

May, the last month of the spring in Indianapolis, is a pleasant month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 55.6°F (13.1°C).

Temperature

In May, the average high-temperature increases from a comfortable 61.5°F (16.4°C) in April to an agreeable 71.8°F (22.1°C). In May, in Indianapolis, the average low-temperature is 55.6°F (13.1°C).

Humidity

In Indianapolis, the average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.6 days and accumulates 2.68" (68mm) of precipitation.

Snowfall

In Indianapolis, Indiana, snow does not fall through October.

Daylight

The average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:38 pm. On the last day of May, in Indianapolis, sunrise is at 6:18 am and sunset at 9:05 pm EDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Indianapolis. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Indianapolis?

In Indianapolis, Indiana, the average relative humidity in May is 79%.

What is the wettest month in Indianapolis?

May is the month with the most rainfall in Indianapolis. Rain falls for 17.6 days and accumulates 2.68" (68mm) of precipitation.

How many days does it rain in May in Indianapolis?

In May, the rain falls for 17.6 days. Throughout May, 2.68" (68mm) of precipitation is accumulated.

When it does not snow in Indianapolis?

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

Does it snow in Indianapolis in May?

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

How many hours of daylight does Indianapolis have in May?

In Indianapolis, the average day length in May is 14h and 23min.

When are sunrise and sunset in May in Indianapolis?

In May, on the first day of the month, sunrise is at 6:44 am and sunset at 8:38 pm. On the last day of the month, in Indianapolis, sunrise is at 6:18 am and sunset at 9:05 pm EDT.

How long on average sun shines in May in Indianapolis?

In Indianapolis, Indiana, the average sunshine duration in May is 8.8h.

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

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

How high is the UV index in May in Indianapolis?

In Indianapolis, Indiana, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Indianapolis, IN

Average temperature in May - Indianapolis, IN
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 55.6°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in May
Indianapolis, IN

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Indianapolis, IN

Average wind speed in May - Indianapolis, IN
  • Average wind speed in May: 7.8mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in May
Indianapolis, IN

Average humidity in May - Indianapolis, IN
  • Average humidity in May: 79%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Indianapolis, IN

Average rainfall in May - Indianapolis, IN
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in May
Indianapolis, IN

Average rainfall days in May - Indianapolis, IN
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in May
Indianapolis, IN

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

The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Indianapolis, IN

Average snowfall days in May - Indianapolis, IN
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Indianapolis, IN
  • Average daylight in May: 14h and 23min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in May: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in May
Indianapolis, IN

Average sunshine days in May - Indianapolis, IN
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in May
Indianapolis, IN

Average UV index in May - Indianapolis, 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, November and December (UV index 2).

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Average cloud cover in May
Indianapolis, IN

Average cloud cover in May - Indianapolis, IN
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Indianapolis, IN

Average visibility in May - Indianapolis, IN
  • Average visibility in May: 6mi

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

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