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 a frosty 45.7°F (7.6°C) in April to a moderate 57.2°F (14°C). A noteworthy thermal contrast characterizes Wilborn's May nights, with temperatures averaging at an icy 35.2°F (1.8°C).Humidity
In May, the average relative humidity is 66%.Rainfall
In May, the rain falls for 16.1 days. Throughout May, 1.77" (45mm) of precipitation is accumulated. In Wilborn, during the entire year, the rain falls for 106.9 days and collects up to 13.27" (337mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Wilborn, Montana, during May, snow falls for 4.5 days and regularly aggregates up to 2.32" (59mm) of snow. In Wilborn, during the entire year, snow falls for 92.7 days and aggregates up to 45.59" (1158mm) of snow.Daylight
In May, the average length of the day is 15h and 5min.On the first day of May, sunrise is at 6:12 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 9:15 pm MDT.
Sunshine
In Wilborn, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index is 4. 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: The maximum UV index, 4 during May, leads to the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
How many days does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Wilborn have in May?
What is the UV index reading in May?
Average temperature in May
Wilborn, MT
- Average high temperature in May: 57.2°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in May: 35.2°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in May
Wilborn, MT
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Wilborn, MT
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Wilborn, MT
- Average humidity in May: 66%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in May
Wilborn, MT
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in May
Wilborn, MT
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Wilborn, MT
- Average snowfall in May: 2.32"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Wilborn, MT
- Average snowfall days in May: 4.5 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Wilborn, MT
- Average daylight in May: 15h and 1min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in May
Wilborn, MT
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in May
Wilborn, MT
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Wilborn, MT
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Wilborn, MT
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Wilborn, Montana, USA
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