May weather forecast
Yaak, MT

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Weather in May

The last month of the spring, May, is a refreshing month in Yaak, Montana, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 59.7°F (15.4°C).

Temperature

Yaak's transition into May sees a rise in the average high-temperature, advancing from a chilly 46.4°F (8°C) in April to a refreshing 59.7°F (15.4°C). Yaak logs a considerable temperature decrease from the daytime highs during the nights in May, with an average reading of 34.5°F (1.4°C).

Humidity

In May, the average relative humidity in Yaak is 69%.

Rainfall

In May, the rain falls for 15.2 days. Throughout May, 1.57" (40mm) of precipitation is accumulated. In Yaak, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows in Yaak. During 1.2 snowfall days, in May, Yaak aggregates 0.31" (8mm) of snow. In Yaak, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.

Daylight

In Yaak, the average length of the day in May is 15h and 18min.
On the first day of May in Yaak, sunrise is at 6:20 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 9:37 pm MDT.

Sunshine

In May, the average sunshine in Yaak is 10h.

UV index

In Yaak, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 during May translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the average May temperature in Yaak?

In May, in Yaak, the average high-temperature is 59.7°F (15.4°C), and the average low-temperature is 34.5°F (1.4°C).

What is the average humidity in May in Yaak?

The average relative humidity in May in Yaak, Montana, is 69%.

How much does it rain in Yaak in May?

In Yaak, during May, the rain falls for 15.2 days and regularly aggregates up to 1.57" (40mm) of precipitation.

What is the last month it snows in Yaak?

May is the last month it regularly snows in Yaak. During 1.2 snowfall days, in May, Yaak aggregates 0.31" (8mm) of snow.

How many hours of daylight does Yaak have in May?

In May, the average day length in Yaak is 15h and 18min.

What time are sunrise and sunset in May in Yaak?

On the first day of May, sunrise is at 6:20 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 9:37 pm MDT.

How many hours of sunshine does Yaak have in May?

In Yaak, the average sunshine duration in May is 10h.

What is the UV index intensity in May in Yaak?

In Yaak, Montana, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Yaak, MT

Average temperature in May - Yaak, MT
  • Average high temperature in May: 59.7°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in May: 34.5°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in May
Yaak, MT

Average pressure in May - Yaak, 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).

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Average wind speed in May
Yaak, MT

Average wind speed in May - Yaak, MT
  • Average wind speed in May: 4.2mph

The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

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Average humidity in May
Yaak, MT

Average humidity in May - Yaak, MT
  • Average humidity in May: 69%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in May
Yaak, MT

Average rainfall in May - Yaak, MT
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").

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Average rainfall days in May
Yaak, MT

Average rainfall days in May - Yaak, MT
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in May
Yaak, MT

Average snowfall in May - Yaak, MT
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Yaak, MT

Average snowfall days in May - Yaak, MT
  • Average snowfall days in May: 1.2 days

The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Yaak, MT
  • Average daylight in May: 15h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in May
Yaak, MT

Average sunshine days in May - Yaak, MT
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).

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Average UV index in May
Yaak, MT

Average UV index in May - Yaak, 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).

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Average cloud cover in May
Yaak, MT

Average cloud cover in May - Yaak, MT
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in May
Yaak, MT

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

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

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Yaak, Montana, USA

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