May weather forecastGlendive, MT
May
Weather in May
May in Glendive, Montana, can be classified as the commencement of warmth and outdoor activity. The increase in daylight hours and temperature correlates to the onset of summer. Rainfall remains substantial, contributing to the lush green landscapes ideal for hiking or picnics. As May proceeds into June, the temperatures continue to elevate. A substantial increase in the average rainfall to 1.73" (44mm) indicates the highest rainfall in a month for the year.Temperature
The arrival of May signals an increase in the average high-temperature, moving from a cool 53.8°F (12.1°C) in April to an enjoyable 65.3°F (18.5°C). During May, Glendive observes a consistent average nighttime temperature of 47.1°F (8.4°C).Humidity
In May, the average relative humidity is 56%.Rainfall
May is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.73" (44mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Glendive aggregates 0.2" (5mm) of snow. In Glendive, during the entire year, snow falls for 45.2 days and aggregates up to 10.55" (268mm) of snow.Daylight
In May, the average length of the day is 15h and 6min.On the first day of May, sunrise is at 5:41 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:46 pm MDT.
Sunshine
In May, the average sunshine is 10h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glendive, MT
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Glendive, MT
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Glendive, MT
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in May
Glendive, MT
- Average humidity in May: 56%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
Glendive, MT
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is May (1.73").
The driest months (with the least rainfall) are January, March and November (0.35").
Average rainfall days in May
Glendive, MT
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in May
Glendive, MT
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glendive, MT
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glendive, MT
- Average daylight in May: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Glendive, MT
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in May
Glendive, MT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in May
Glendive, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in May
Glendive, 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).
