May weather forecast
Monmouth, IN

Share

Weather in May

May, the last month of the spring in Monmouth, is an agreeable month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 70.7°F (21.5°C).

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from a mild 59°F (15°C) in April to a pleasant 70.7°F (21.5°C). An average low-temperature of 54°F (12.2°C) marks the nights throughout May.

Humidity

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

Rainfall

May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.03" (77mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 29min.
On the first day of May, sunrise is at 6:36 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 9:04 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 during May leads to these advisories:
Prioritize safety - Recommendations to avert sunburn are shared. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The average high-temperature and low-temperature during May are 70.7°F (21.5°C) and 54°F (12.2°C) respectively.

What is the average humidity in May?

In May, the average relative humidity is 77%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.03" (77mm) of precipitation.

How many days does it rain in May?

In Monmouth, in May, it is raining for 18.3 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in Monmouth in May?

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

How many hours of daylight does Monmouth have in May?

The average day length in May is 14h and 29min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:36 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 9:04 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.6h.

How high is the UV index in May?

In Monmouth, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Monmouth, IN

Average temperature in May - Monmouth, IN
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 54°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in May
Monmouth, IN

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Monmouth, IN

Average wind speed in May - Monmouth, IN
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in May
Monmouth, IN

Average humidity in May - Monmouth, IN
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Monmouth, IN

Average rainfall in May - Monmouth, IN
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days in May
Monmouth, IN

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

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in May
Monmouth, IN

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

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Monmouth, IN

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

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Monmouth, IN
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Monmouth, IN

Average sunshine days in May - Monmouth, IN
  • Average sunshine days in May: 10.2 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10 days).

Average UV index in May
Monmouth, IN

Average UV index in May - Monmouth, IN
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Monmouth, IN

Average cloud cover in May - Monmouth, IN
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in May
Monmouth, IN

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

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

Monmouth, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location