May weather forecast
Polaris, MT

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Weather in May

May, the last month of the spring in Polaris, is a mild month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 56.3°F (13.5°C).

Temperature

As Polaris, Montana, welcomes May, the average high-temperature sees a rise, transitioning from a chilly 44.6°F (7°C) in April to a refreshing 56.3°F (13.5°C). Polaris, during May nights, observes an average temperature of 35.2°F (1.8°C).

Humidity

In May, the average relative humidity in Polaris is 61%.

Rainfall

In Polaris, in May, during 15.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Polaris, there are 126.7 rainfall days, and 10.35" (263mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Polaris, in May, during 1.9 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, in Polaris, there are 81.2 snowfall days, and 29.76" (756mm) of snow is accumulated.

Daylight

In Polaris, the average length of the day in May is 14h and 55min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:39 pm. On the last day of May, sunrise is at 5:47 am and sunset at 9:13 pm MDT.

Sunshine

In Polaris, Montana, the average sunshine in May is 10.9h.

UV index

In Polaris, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 4 during May translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the temperature in May in Polaris?

In May, in Polaris, the average high-temperature is 56.3°F (13.5°C), and the average low-temperature is 35.2°F (1.8°C).

What is the average humidity in May in Polaris?

The average relative humidity in May in Polaris, Montana, is 61%.

How much does it rain in Polaris in May?

In May, in Polaris, the rain falls for 15.3 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

How many days does it snow in May in Polaris?

In Polaris, Montana, in May, during 1.9 snowfall days, 1.18" (30mm) of snow is typically accumulated.

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

The average day length in May in Polaris is 14h and 55min.

What time are sunrise and sunset in May in Polaris?

On the first day of May in Polaris, Montana, sunrise is at 6:19 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 9:13 pm MDT.

How many hours of sunshine does Polaris have in May?

In Polaris, Montana, the average sunshine duration in May is 10.9h.

How high is the UV index in May in Polaris?

In Polaris, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Polaris, MT

Average temperature in May - Polaris, MT
  • Average high temperature in May: 56.3°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in May: 35.2°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (10.6°F).

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Average pressure in May
Polaris, MT

Average pressure in May - Polaris, MT
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Polaris, MT

Average wind speed in May - Polaris, MT
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is November (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Polaris, MT

Average humidity in May - Polaris, MT
  • Average humidity in May: 61%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (45%).

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Average rainfall in May
Polaris, MT

Average rainfall in May - Polaris, MT
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in May
Polaris, MT

Average rainfall days in May - Polaris, MT
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall in May
Polaris, MT

Average snowfall in May - Polaris, MT
  • Average snowfall in May: 1.18"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
Polaris, MT

Average snowfall days in May - Polaris, MT
  • Average snowfall days in May: 1.9 days

The month with the highest number of snowfall days is February (14.1 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
Polaris, MT

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

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in May
Polaris, MT

Average sunshine days in May - Polaris, MT
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is July (18.2 days).
The month with the least sunshine days is April (10.1 days).

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Average UV index in May
Polaris, MT

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

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in May
Polaris, MT

Average cloud cover in May - Polaris, MT
  • Average cloud cover in May: 28

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in May
Polaris, MT

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

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

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Polaris, Montana, USA

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