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
With the arrival of May, the average high-temperature transitions from an icy 42.1°F (5.6°C) in April to a cool 53.6°F (12°C). Wise River logs a considerable temperature decrease from the daytime highs during the nights in May, with an average reading of 32°F (0°C).Humidity
In May, the average relative humidity is 70%.Rainfall
The wettest months are May and June, with an average 2.44" (62mm) of rainfall.Snowfall
January through June, September through December are months with snowfall in Wise River, Montana. In Wise River, in May, during 5.4 snowfall days, 3.39" (86mm) of snow is typically accumulated. Throughout the year, there are 110.5 snowfall days, and 59.8" (1519mm) of snow is accumulated.Daylight
In Wise River, the average length of the day in May is 14h and 58min.On the first day of May, sunrise is at 6:17 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 9:13 pm MDT.
Sunshine
In May, the average sunshine in Wise River is 9.7h.UV index
In May, the average daily maximum UV index in Wise River is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during May leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Wise River?
What is the average humidity in May in Wise River?
What is the rainiest month in Wise River?
How much does it rain in Wise River in May?
How many days does it snow in May in Wise River?
What is the average length of the day in May in Wise River?
When is the sunrise / sunset in May in Wise River?
How many hours of sunshine does Wise River have in May?
What is the UV index intensity in May in Wise River?
Average temperature in May
Wise River, MT
- Average high temperature in May: 53.6°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in May: 32°F
The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is December (10.4°F).
Average pressure in May
Wise River, MT
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Wise River, MT
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Wise River, MT
- Average humidity in May: 70%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in May
Wise River, MT
- Average rainfall in May: 2.44"
The wettest months (with the highest rainfall) are May and June (2.44").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in May
Wise River, MT
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
Wise River, MT
- Average snowfall in May: 3.39"
The month with the highest snowfall is February (10.51").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Wise River, MT
- Average snowfall days in May: 5.4 days
The month with the highest number of snowfall days is February (19.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Wise River, 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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Wise River, MT
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is April (8 days).
Average UV index in May
Wise River, MT
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Wise River, MT
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Wise River, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Wise River, Montana, USA
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