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
May brings a rise in Marion's average high-temperature, moving from a frosty 47.8°F (8.8°C) in April to a comfortable 60.8°F (16°C). Marion registers a significant reduction from the day's heat, with an average temperature drop to a cold 36.7°F (2.6°C) in May.Humidity
In Marion, the average relative humidity in May is 67%.Rainfall
In Marion, in May, during 14.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Marion, during the entire year, the rain falls for 129.8 days and collects up to 16.42" (417mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Marion, Montana. In Marion, in May, during 2.3 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 117.4 snowfall days, and 58.62" (1489mm) of snow is accumulated.Daylight
In Marion, the average length of the day in May is 15h and 13min.On the first day of May, sunrise is at 6:18 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 9:30 pm MDT.
Sunshine
In Marion, the average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Marion?
What is the average humidity in May in Marion?
How many days does it rain in May in Marion?
How many days does it snow in May in Marion?
How many hours of daylight does Marion have in May?
When are sunrise and sunset in May in Marion?
How many hours of sunshine does Marion have in May?
What is the UV index intensity in May in Marion?
Average temperature in May
Marion, MT
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in May: 36.7°F
The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).
Average pressure in May
Marion, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Marion, MT
- Average wind speed in May: 4.3mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).
Average humidity in May
Marion, MT
- Average humidity in May: 67%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).
Average rainfall in May
Marion, MT
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in May
Marion, MT
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in May
Marion, MT
- Average snowfall in May: 0.83"
The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Marion, MT
- Average snowfall days in May: 2.3 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Marion, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Marion, MT
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in May
Marion, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Marion, MT
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Marion, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Marion, Montana, USA
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