May weather forecast
Havre, MT

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Weather in May

May brings Havre, Montana, warmer weather, signifying the outset of the much-awaited summer. Gone are the signs of winter, as snowfall becomes an infrequent occurrence, with only 1.5" (38mm) expected. This shift towards summer introduces an air of liveliness around Havre. More daylight translates to increased outdoor activities, with residents taking full advantage of the improved weather conditions. May's weather facilitates the growth of lush greenery and colorful blossoms, turning Havre into a vibrant canvas.

Temperature

The shift into May is characterized by a rise in the average high-temperature, transitioning from April's moderate 58.5°F (14.7°C) to an agreeable 68.7°F (20.4°C). May nights in Havre experience a distinct temperature drop from the daily highs, with an average low-temperature of 40.3°F (4.6°C).

Rainfall

In Havre, in May, it is raining for 9.7 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Havre, there are 89.9 rainfall days, and 11.46" (291mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Havre are January through May, September through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Havre aggregates 1.5" (38mm) of snow. Throughout the year, in Havre, there are 38.5 snowfall days, and 45.2" (1148mm) of snow is accumulated.

Daylight

In May, the average length of the day in Havre is 15h and 16min.
On the first day of May, sunrise is at 5:57 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 9:12 pm MDT.

Sunshine

In May, the average sunshine is 11h.

UV index

In May, the average daily maximum UV index in Havre is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 6 suggests this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the temperatures in Havre in May?

In May, the average high-temperature and low-temperature in Havre, Montana, are 68.7°F (20.4°C) and 40.3°F (4.6°C) respectively.

How many days does it rain in May in Havre?

In May, in Havre, Montana, the rain falls for 9.7 days. Throughout May, 1.85" (47mm) of precipitation is accumulated.

What is the last month it snows in Havre?

May is the last month it regularly snows in Havre, Montana. During 0.4 snowfall days, in May, Havre aggregates 1.5" (38mm) of snow.

How many hours of daylight does Havre have in May?

The average day length in May in Havre, Montana, is 15h and 16min.

When is the sunrise / sunset in May in Havre?

On the first day of May in Havre, sunrise is at 5:57 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 9:12 pm MDT.

How many hours of sunshine does Havre have in May?

In May, the average sunshine duration in Havre, Montana, is 11h.

What is the UV index reading in May in Havre?

In Havre, Montana, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Havre, MT

Average temperature in May - Havre, MT
  • Average high temperature in May: 68.8°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in May: 40.2°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

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Average rainfall in May
Havre, MT

Average rainfall in May - Havre, MT
  • Average rainfall in May: 1.8"

The wettest month (with the highest rainfall) is June (1.9").
The driest month (with the least rainfall) is February (0.4").

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Average rainfall days in May
Havre, MT

Average rainfall days in May - Havre, MT
  • Average rainfall days in May: 9.7 days

The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is October (5.4 days).

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Average snowfall in May
Havre, MT

Average snowfall in May - Havre, MT
  • Average snowfall in May: 1.5"

The month with the highest snowfall is January (8.6").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Havre, MT

Average snowfall days in May - Havre, MT
  • Average snowfall days in May: 0.4 days

The months with the highest number of snowfall days are January and December (7.7 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
Havre, MT

Average daylight in May / Average sunshine in May - Havre, 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 24min).

  • Average sunshine in May: 11h

The month with the most sunshine is July (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 4h).

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Average UV index in May
Havre, MT

Average UV index in May - Havre, MT
  • Average UV index in May: 6

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Havre, Montana, USA

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