May weather forecast
Columbus, IN

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Weather in May

May signals the progression towards the warmer months with summer just around the corner. The increase in temperature is consistent with previous months, the average high now at a mild 73°F (22.8°C). The gradually increasing warmth is coupled with the highest relative humidity at 80% and a significant spike in rainfall compared to any preceding month, at 3.5" (89mm). These conditions make May a lush, green month, ideal for outdoor leisure activities. The increased rainfall encourages vegetation growth, punctuating all parks and gardens with blooming flowers.

Temperature

May brings a rise in the average high-temperature, transitioning from April's refreshing 63.1°F (17.3°C) to an agreeable 73°F (22.8°C). Columbus's average low-temperature in May is measured at a moderate 55.9°F (13.3°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.5" (89mm) of precipitation.

Snowfall

May through October are months without snowfall in Columbus.

Daylight

In Columbus, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:37 pm. On the last day of May, sunrise is at 6:19 am and sunset at 9:03 pm EDT.

Sunshine

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

UV index

In Columbus, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In Columbus, in May, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in May?

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

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.5" (89mm) of precipitation.

How many days does it rain in May?

In Columbus, in May, it is raining for 18.3 days, with typically 3.5" (89mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in May?

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

How many hours of daylight does Columbus have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:44 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 9:03 pm EDT.

How many hours of sunshine does Columbus have in May?

In May, the average sunshine duration is 8.8h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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
Columbus, IN

Average temperature in May - Columbus, IN
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in May
Columbus, IN

Average pressure in May - Columbus, 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).

Average wind speed in May
Columbus, IN

Average wind speed in May - Columbus, IN
  • Average wind speed in May: 7.1mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
Columbus, IN

Average humidity in May - Columbus, IN
  • Average humidity in May: 80%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Columbus, IN

Average rainfall in May - Columbus, IN
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in May
Columbus, IN

Average rainfall days in May - Columbus, IN
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

Average snowfall in May
Columbus, IN

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Columbus, IN

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

The month with the highest number of snowfall days is January (9.6 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
Columbus, IN

Average daylight in May / Average sunshine in May - Columbus, 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 5min

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

Average sunshine days in May
Columbus, IN

Average sunshine days in May - Columbus, IN
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in May
Columbus, IN

Average UV index in May - Columbus, IN
  • 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).

Average cloud cover in May
Columbus, IN

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in May
Columbus, IN

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

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

Columbus, Indiana, USA

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