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 beginning of May signals a rise in the average high-temperature, moving from a cool 51.8°F (11°C) in April to an enjoyable 63.5°F (17.5°C). During the month of May, the nighttime temperature in Powderville falls to an average of 45.3°F (7.4°C).Humidity
In May, the average relative humidity in Powderville is 60%.Rainfall
May is the month with the most rainfall. Rain falls for 15.7 days and accumulates 2.6" (66mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Powderville, Montana. During 1.7 snowfall days, in May, Powderville aggregates 1.38" (35mm) of snow. In Powderville, during the entire year, snow falls for 62.4 days and aggregates up to 21.97" (558mm) of snow.Daylight
In May, the average length of the day is 14h and 57min.On the first day of May in Powderville, sunrise is at 5:46 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:42 pm MDT.
Sunshine
In Powderville, the average sunshine in May is 9.7h.UV index
In Powderville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Powderville?
What is the average humidity in May in Powderville?
What is the wettest month in Powderville?
How much does it rain in Powderville in May?
What is the last month it snows in Powderville?
What is the average length of the day in May in Powderville?
When are sunrise and sunset in May in Powderville?
How many hours of sunshine does Powderville have in May?
What is the UV index reading in May in Powderville?
Average temperature in May
Powderville, MT
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in May
Powderville, MT
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Powderville, MT
- Average wind speed in May: 11.1mph
The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).
Average humidity in May
Powderville, MT
- Average humidity in May: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Powderville, MT
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").
Average rainfall days in May
Powderville, MT
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in May
Powderville, MT
- Average snowfall in May: 1.38"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Powderville, MT
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Powderville, 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 months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Powderville, MT
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in May
Powderville, MT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Powderville, MT
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in May
Powderville, MT
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Powderville, Montana, USA
Weather forecast for your location
2. Allow the app to use your location