May weather forecastVananda, MT
May
Weather in May
The last month of the spring, May, is a refreshing month in Vananda, Montana, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 47.1°F (8.4°C).Temperature
In May, the meteorological conditions change with the average high-temperature moving from a fresh 55°F (12.8°C) in April to a comfortable 65.7°F (18.7°C). An average low-temperature of 47.1°F (8.4°C) is recorded in the month of May in Vananda.Humidity
The average relative humidity in May is 55%.Rainfall
May is the month with the most rainfall. Rain falls for 15.1 days and accumulates 2.05" (52mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Vananda aggregates 0.24" (6mm) of snow. Throughout the year, in Vananda, there are 56.6 snowfall days, and 21.06" (535mm) of snow is accumulated.Daylight
In May, the average length of the day in Vananda, Montana, is 15h and 1min.On the first day of May, sunrise is at 5:52 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:52 pm MDT.
Sunshine
In May, the average sunshine in Vananda is 10.2h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vananda, MT
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in May
Vananda, MT
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Vananda, MT
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in May
Vananda, MT
- Average humidity in May: 55%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Vananda, MT
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in May
Vananda, MT
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January, February and December (6.5 days).
Average snowfall in May
Vananda, MT
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Vananda, MT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Vananda, MT
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in May
Vananda, MT
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.9 days).
Average UV index in May
Vananda, 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
Vananda, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Vananda, 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).





