May weather forecast
Belfry, MT

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Weather in May

The last month of the spring, May, is a moderate month in Belfry, Montana, with an average temperature fluctuating between 57.4°F (14.1°C) and 39.6°F (4.2°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's chilly 47.1°F (8.4°C) to a refreshing 57.4°F (14.1°C). Throughout May, Belfry witnesses a nighttime temperature average of 39.6°F (4.2°C).

Humidity

In Belfry, Montana, the average relative humidity in May is 63%.

Rainfall

The month with the most rainfall is May, when the rain falls for 20 days and typically aggregates up to 2.52" (64mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Belfry, in May, snow falls for 5.5 days, with typically accumulated 5.67" (144mm) of snow. Throughout the year, in Belfry, there are 92.3 snowfall days, and 55.83" (1418mm) of snow is accumulated.

Daylight

The average length of the day in May in Belfry is 14h and 53min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:22 pm. On the last day of May, in Belfry, sunrise is at 5:31 am and sunset at 8:55 pm MDT.

Sunshine

In Belfry, the average sunshine in May is 10.7h.

UV index

In May, the average daily maximum UV index in Belfry is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Belfry in May?

Belfry in May has an average high-temperature of 57.4°F (14.1°C) and an average low-temperature of 39.6°F (4.2°C).

What is the average humidity in May in Belfry?

In Belfry, Montana, the average relative humidity in May is 63%.

What is the rainiest month in Belfry?

May is the month with the most rainfall in Belfry, Montana. Rain falls for 20 days and accumulates 2.52" (64mm) of precipitation.

How many days does it rain in May in Belfry?

In May, in Belfry, Montana, the rain falls for 20 days. Throughout May, 2.52" (64mm) of precipitation is accumulated.

How much does it snow in Belfry in May?

In May, in Belfry, it is snowing for 5.5 days. Throughout May, 5.67" (144mm) of snow is accumulated.

What is the average length of the day in May in Belfry?

The average day length in May is 14h and 53min.

When is the sunrise / sunset in May in Belfry?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 8:22 pm. On the last day of the month, in Belfry, sunrise is at 5:31 am and sunset at 8:55 pm MDT.

How many hours of sunshine does Belfry have in May?

In May, the average sunshine duration in Belfry, Montana, is 10.7h.

How high is the UV index in May in Belfry?

The average daily maximum UV index in May in Belfry, Montana, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Belfry, MT

Average temperature in May - Belfry, MT
  • Average high temperature in May: 57.4°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is December (27.5°F).

  • Average low temperature in May: 39.6°F

The month with the highest average low temperature is July (56.1°F).
The coldest months (with the lowest average low temperature) are February and December (14.9°F).

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Average pressure in May
Belfry, MT

Average pressure in May - Belfry, MT
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
Belfry, MT

Average wind speed in May - Belfry, MT
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Belfry, MT

Average humidity in May - Belfry, MT
  • Average humidity in May: 63%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in May
Belfry, MT

Average rainfall in May - Belfry, MT
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (0.55").

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Average rainfall days in May
Belfry, MT

Average rainfall days in May - Belfry, MT
  • Average rainfall days in May: 20 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is November (5.7 days).

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Average snowfall in May
Belfry, MT

Average snowfall in May - Belfry, MT
  • Average snowfall in May: 5.67"

The month with the highest snowfall is April (9.37").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
Belfry, MT

Average snowfall days in May - Belfry, MT
  • Average snowfall days in May: 5.5 days

The month with the highest number of snowfall days is February (14.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Belfry, MT
  • Average daylight in May: 14h and 5min

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

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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Average sunshine days in May
Belfry, MT

Average sunshine days in May - Belfry, MT
  • Average sunshine days in May: 5.1 days

The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is May (5.1 days).

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Average UV index in May
Belfry, MT

Average UV index in May - Belfry, 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).

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Average cloud cover in May
Belfry, MT

Average cloud cover in May - Belfry, MT
  • Average cloud cover in May: 31

The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 16).

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Average visibility in May
Belfry, MT

Average visibility in May - Belfry, 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).

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Belfry, Montana, USA

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