May weather forecast
Elmo, MT

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Weather in May

May, the last month of the spring in Elmo, is an enjoyable month, with an average temperature varying between 36.7°F (2.6°C) and 60.8°F (16°C).

Temperature

Elmo's weather in May presents a rise in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in April to a refreshing 60.8°F (16°C). With a significant daily temperature differential, Elmo's nighttime temperature in May falls to an average of 36.7°F (2.6°C).

Humidity

In May, the average relative humidity in Elmo is 67%.

Rainfall

In Elmo, during May, the rain falls for 14.1 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 129.8 rainfall days, and 16.42" (417mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Elmo. In Elmo, Montana, during May, snow falls for 2.3 days and regularly aggregates up to 0.83" (21mm) of snow. In Elmo, during the entire year, snow falls for 117.4 days and aggregates up to 58.62" (1489mm) of snow.

Daylight

In May, the average length of the day is 15h and 11min.
On the first day of May in Elmo, sunrise is at 6:18 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 9:27 pm MDT.

Sunshine

The average sunshine in May is 10.1h.

UV index

In Elmo, Montana, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Elmo in May?

In May, the average high-temperature and low-temperature in Elmo, Montana, are 60.8°F (16°C) and 36.7°F (2.6°C) respectively.

What is the average humidity in May in Elmo?

In Elmo, the average relative humidity in May is 67%.

How many days does it rain in May in Elmo?

In Elmo, during May, the rain falls for 14.1 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How many days does it snow in May in Elmo?

In Elmo, in May, during 2.3 snowfall days, 0.83" (21mm) of snow is typically accumulated.

How many hours of daylight does Elmo have in May?

In May, the average day length in Elmo, Montana, is 15h and 11min.

What time are sunrise and sunset in May in Elmo?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:50 pm. On the last day of the month, in Elmo, sunrise is at 5:42 am and sunset at 9:27 pm MDT.

How long on average sun shines in May in Elmo?

In Elmo, the average sunshine duration in May is 10.1h.

What is the UV index intensity in May in Elmo?

The average daily maximum UV index in May in Elmo, Montana, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Elmo, MT

Average temperature in May - Elmo, MT
  • Average high temperature in May: 60.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in May: 36.7°F

The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).

Average pressure in May
Elmo, MT

Average pressure in May - Elmo, MT
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Elmo, MT

Average wind speed in May - Elmo, MT
  • Average wind speed in May: 4.3mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).

Average humidity in May
Elmo, MT

Average humidity in May - Elmo, MT
  • Average humidity in May: 67%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).

Average rainfall in May
Elmo, MT

Average rainfall in May - Elmo, MT
  • Average rainfall in May: 1.5"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days in May
Elmo, MT

Average rainfall days in May - Elmo, MT
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).

Average snowfall in May
Elmo, MT

Average snowfall in May - Elmo, MT
  • Average snowfall in May: 0.83"

The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Elmo, MT

Average snowfall days in May - Elmo, MT
  • Average snowfall days in May: 2.3 days

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Elmo, MT

Average daylight in May / Average sunshine in May - Elmo, MT
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Elmo, MT

Average sunshine days in May - Elmo, MT
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).

Average UV index in May
Elmo, MT

Average UV index in May - Elmo, MT
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in May
Elmo, MT

Average cloud cover in May - Elmo, MT
  • Average cloud cover in May: 36

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 15).

Average visibility in May
Elmo, MT

Average visibility in May - Elmo, MT
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Elmo, Montana, USA

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