May weather forecastCapitol, MT
May
Weather in May
May, the last month of the spring in Capitol, is an enjoyable month, with an average temperature varying between 64°F (17.8°C) and 45.9°F (7.7°C).Temperature
Capitol sees a rise in temperature during May, with average high-temperatures transitioning from a cool 52.9°F (11.6°C) in April to a comfortable 64°F (17.8°C). Capitol experiences a mean temperature of 45.9°F (7.7°C) during May nights.Humidity
In Capitol, Montana, the average relative humidity in May is 62%.Rainfall
May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.68" (68mm) of precipitation.Snowfall
Months with snowfall in Capitol are January through May, October through December. May is the last month it regularly snows. During 1.6 snowfall days, in May, Capitol aggregates 1.5" (38mm) of snow. Throughout the year, in Capitol, there are 62.2 snowfall days, and 22.95" (583mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 55min.On the first day of May in Capitol, sunrise is at 5:43 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:37 pm MDT.
Sunshine
In Capitol, Montana, the average sunshine in May is 9.5h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, an average UV index of 5 transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Capitol, MT
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 45.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Capitol, MT
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Capitol, MT
- Average wind speed in May: 11.1mph
The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in May
Capitol, MT
- Average humidity in May: 62%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Capitol, MT
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in May
Capitol, MT
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in May
Capitol, MT
- Average snowfall in May: 1.5"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Capitol, MT
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Capitol, MT
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in May
Capitol, MT
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in May
Capitol, MT
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Capitol, MT
- Average cloud cover in May: 37
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Capitol, 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).
