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's arrival signals a temperature shift, moving from a cool 50.2°F (10.1°C) in April to an enjoyable 64.2°F (17.9°C). During May, Plentywood consistently records a temperature low averaging a frosty 46.4°F (8°C).Humidity
In Plentywood, Montana, the average relative humidity in May is 55%.Rainfall
In Plentywood, in May, it is raining for 12.5 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 93.3 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Plentywood aggregates 0.51" (13mm) of snow. Throughout the year, there are 66.5 snowfall days, and 19.02" (483mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 17min.On the first day of the month, sunrise is at 5:36 am and sunset at 8:14 pm. On the last day of May, sunrise is at 4:59 am and sunset at 8:52 pm MDT.
Sunshine
In Plentywood, the average sunshine in May is 10h.UV index
In May, the average daily maximum UV index in Plentywood is 5. A UV Index value 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:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties 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 many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Plentywood have in May?
When is the sunrise / sunset in May in Plentywood?
How many hours of sunshine does Plentywood have in May?
How high is the UV index in May?
Average temperature in May
Plentywood, MT
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).
Average pressure in May
Plentywood, MT
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Plentywood, MT
- Average wind speed in May: 10.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).
Average humidity in May
Plentywood, MT
- Average humidity in May: 55%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Plentywood, MT
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in May
Plentywood, MT
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Plentywood, MT
- Average snowfall in May: 0.51"
The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Plentywood, MT
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Plentywood, MT
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Plentywood, MT
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).
Average UV index in May
Plentywood, MT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Plentywood, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in May
Plentywood, MT
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Plentywood, Montana, USA
Weather forecast for your location
2. Allow the app to use your location