May weather forecast and climate
Glasgow, MT

Weather in May

The last month of the spring, May, is a comfortable month in Glasgow, Montana, with average temperature fluctuating between 46.9°F (8.3°C) and 64.6°F (18.1°C).

Temperature

In May, the average high-temperature increases, from a fresh 52.2°F (11.2°C) in April, to an enjoyable 64.6°F (18.1°C). In Glasgow, Montana, in May, the average low-temperature is 46.9°F (8.3°C).

Humidity

In Glasgow, the average relative humidity is 52%.

Rainfall

In Glasgow, during 13.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Glasgow, there are 90.8 rainfall days, and 11.1" (282mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Glasgow. During 0.4 snowfall days, in May, Glasgow aggregates 0.31" (8mm) of snow. In Glasgow, during the entire year, snow falls for 43.8 days, and aggregates up to 13.11" (333mm) of snow.

Daylight

In May, the average length of the day in Glasgow is 15.2h.

Sunshine

In May, the average sunshine in Glasgow is 10.3h.

UV index

In May, the average daily maximum UV index in Glasgow is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Glasgow?

In May, in Glasgow, Montana, the average high-temperature is 64.6°F (18.1°C), and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May in Glasgow?

In Glasgow, the average relative humidity in May is 52%.

How much does it rain in Glasgow in May?

In Glasgow, Montana, in May, during 13.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

What is the last month it snows in Glasgow?

May is the last month it regularly snows in Glasgow. During 0.4 snowfall days, in May, Glasgow aggregates 0.31" (8mm) of snow.

How many hours of daylight does Glasgow have in May?

The average length of the day in May is 15.2h.

How long on average sun shines in May in Glasgow?

In Glasgow, Montana, the average sunshine in May is 10.3h.

What is the UV index reading in May in Glasgow?

In Glasgow, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Glasgow, MT

Average temperature in May - Glasgow, MT
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).

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Average pressure in May
Glasgow, MT

Average pressure in May - Glasgow, MT
  • Average pressure in May: 29.92"

The month with the highest atmospheric pressure is February (30.15").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in May
Glasgow, MT

Average wind speed in May - Glasgow, MT
  • Average wind speed in May: 11mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

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Average humidity in May
Glasgow, MT

Average humidity in May - Glasgow, MT
  • Average humidity in May: 52%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in May
Glasgow, MT

Average rainfall in May - Glasgow, MT
  • Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").

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Average rainfall days in May
Glasgow, MT

Average rainfall days in May - Glasgow, MT
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in May
Glasgow, MT

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

The month with the highest snowfall is December (2.6").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Glasgow, MT

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

The month with the highest number of snowfall days is February (9.2 days).
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
Glasgow, MT

Average daylight in May / Average sunshine in May - Glasgow, MT
  • Average daylight in May: 15.2h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in May: 10.3h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in May
Glasgow, MT

Average sunshine days in May - Glasgow, MT
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

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Average UV index in May
Glasgow, MT

Average UV index in May - Glasgow, MT
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Glasgow, MT

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).

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Average visibility in May
Glasgow, MT

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

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

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