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
The start of May signals an increase in the average high-temperature, moving from a cool 53.4°F (11.9°C) in April to an enjoyable 64.8°F (18.2°C). In May, the recorded average low-temperature is a chilly 46.8°F (8.2°C).Humidity
The average relative humidity in May is 53%.Rainfall
The wettest months are May and June, with an average 1.89" (48mm) of rainfall.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Van Norman. During 0.4 snowfall days, in May, Van Norman aggregates 0.35" (9mm) of snow. In Van Norman, during the entire year, snow falls for 58.4 days and aggregates up to 21.1" (536mm) of snow.Daylight
The average length of the day in May in Van Norman is 15h and 8min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:17 pm. On the last day of May, in Van Norman, sunrise is at 5:12 am and sunset at 8:53 pm MDT.
Sunshine
The average sunshine in May in Van Norman is 10h.UV index
In Van Norman, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the temperature in May in Van Norman?
What is the average humidity in May in Van Norman?
What is the wettest month in Van Norman?
How much does it rain in Van Norman in May?
What is the last month it snows in Van Norman?
What is the average length of the day in May in Van Norman?
When are sunrise and sunset in May in Van Norman?
How long on average sun shines in May in Van Norman?
What is the UV index reading in May in Van Norman?
Average temperature in May
Van Norman, MT
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in May: 46.8°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 (14.7°F).
Average pressure in May
Van Norman, MT
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Van Norman, MT
- Average wind speed in May: 11.2mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is February (9.9mph).
Average humidity in May
Van Norman, MT
- Average humidity in May: 53%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Van Norman, MT
- Average rainfall in May: 1.89"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in May
Van Norman, MT
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Van Norman, MT
- Average snowfall in May: 0.35"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Van Norman, MT
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Van Norman, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in May
Van Norman, MT
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in May
Van Norman, 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
Van Norman, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in May
Van Norman, MT
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Van Norman, Montana, USA
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