Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May sets, the average high-temperature shows an increase, moving up from a fresh 52.2°F (11.2°C) in April to a comfortable 64.6°F (18.1°C). During May, the average low-temperature is recorded at a chilly 46.9°F (8.3°C).Humidity
In May, the average relative humidity is 52%.Rainfall
In Glentana, during May, the rain falls for 13.8 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Glentana, there are 90.8 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Glentana aggregates 0.31" (8mm) of snow. In Glentana, 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 Glentana is 15h and 18min.On the first day of May in Glentana, sunrise is at 5:42 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:59 pm MDT.
Sunshine
In Glentana, Montana, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Act with care - The need to guard against sun damage is communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Glentana?
What is the average humidity in May in Glentana?
How many days does it rain in May in Glentana?
What is the last month it snows in Glentana?
What is the average length of the day in May in Glentana?
What time are sunrise and sunset in May in Glentana?
How many hours of sunshine does Glentana have in May?
How high is the UV index in May in Glentana?
Average temperature in May
Glentana, 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).
Average pressure in May
Glentana, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Glentana, 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).
Average humidity in May
Glentana, 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%).
Average rainfall in May
Glentana, 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").
Average rainfall days in May
Glentana, 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).
Average snowfall in May
Glentana, MT
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glentana, MT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Glentana, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Glentana, 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).
Average UV index in May
Glentana, 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).
Average cloud cover in May
Glentana, 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).
Average visibility in May
Glentana, 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).
Glentana, Montana, USA
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