May weather forecast
Moccasin, MT

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Weather in May

The last month of the spring, May, is a mild month in Moccasin, Montana, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 40.1°F (4.5°C).

Temperature

With the transition into May, Moccasin experiences an increase in average high-temperatures, moving up from a frosty 47.8°F (8.8°C) in April to a refreshing 58.5°F (14.7°C). Moccasin's temperature in May lowers to a consistent average of 40.1°F (4.5°C) during the nights.

Humidity

In Moccasin, Montana, the average relative humidity in May is 65%.

Rainfall

May is the month with the most rainfall. Rain falls for 19.3 days and accumulates 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Moccasin, in May, during 2.4 snowfall days, 2.48" (63mm) of snow is typically accumulated. Throughout the year, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 6min.
On the first day of May, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 9:06 pm MDT.

Sunshine

In May, the average sunshine is 10h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, the average high-temperature and low-temperature are 58.5°F (14.7°C) and 40.1°F (4.5°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 65%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 19.3 days and accumulates 3.39" (86mm) of precipitation.

How many days does it rain in May?

In Moccasin, in May, during 19.3 rainfall days, 3.39" (86mm) of precipitation is typically accumulated.

How much does it snow in May?

In Moccasin, in May, during 2.4 snowfall days, 2.48" (63mm) of snow is typically accumulated.

What is the average length of the day in May?

The average day length in May is 15h and 6min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 9:06 pm MDT.

How many hours of sunshine does Moccasin have in May?

The average sunshine duration in May is 10h.

How high is the UV index in May?

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Moccasin, MT

Average temperature in May - Moccasin, MT
  • Average high temperature in May: 58.5°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

  • Average low temperature in May: 40.1°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

Average pressure in May
Moccasin, MT

Average pressure in May - Moccasin, MT
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Moccasin, MT

Average wind speed in May - Moccasin, MT
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

Average humidity in May
Moccasin, MT

Average humidity in May - Moccasin, MT
  • Average humidity in May: 65%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

Average rainfall in May
Moccasin, MT

Average rainfall in May - Moccasin, MT
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in May
Moccasin, MT

Average rainfall days in May - Moccasin, MT
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in May
Moccasin, MT

Average snowfall in May - Moccasin, MT
  • Average snowfall in May: 2.48"

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Moccasin, MT

Average snowfall days in May - Moccasin, MT
  • Average snowfall days in May: 2.4 days

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in May
Moccasin, MT

Average sunshine days in May - Moccasin, MT
  • Average sunshine days in May: 8.9 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

Average UV index in May
Moccasin, MT

Average UV index in May - Moccasin, 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, March, April, October, November and December (UV index 2).

Average cloud cover in May
Moccasin, MT

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

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in May
Moccasin, MT

Average visibility in May - Moccasin, MT
  • 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).

Moccasin, Montana, USA

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