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 in Colstrip comes with an increase, with the average high-temperature moving from a fresh 53.8°F (12.1°C) in April to a comfortable 64°F (17.8°C). An average low-temperature of 44.2°F (6.8°C) is noted during the nights in May.Humidity
The average relative humidity in May is 60%.Rainfall
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.56" (65mm) of precipitation.Snowfall
Months with snowfall in Colstrip are January through June, September through December. In May, it is snowing for 1.3 days. Throughout May, 0.55" (14mm) of snow is accumulated. In Colstrip, during the entire year, snow falls for 55.2 days and aggregates up to 23.5" (597mm) of snow.Daylight
The average length of the day in May is 14h and 58min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:14 pm. On the last day of May, in Colstrip, Montana, sunrise is at 5:19 am and sunset at 8:48 pm MDT.
Sunshine
The average sunshine in May in Colstrip is 9.9h.UV index
The average daily maximum UV index in May in Colstrip, Montana, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May leads to these instructions:
Take precautions - Protection against sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are May temperatures in Colstrip?
What is the average humidity in May in Colstrip?
What is the wettest month in Colstrip?
How many days does it rain in May in Colstrip?
How many days does it snow in May in Colstrip?
What is the average length of the day in May in Colstrip?
What time are sunrise and sunset in May in Colstrip?
How many hours of sunshine does Colstrip have in May?
What is the UV index reading in May in Colstrip?
Average temperature in May
Colstrip, MT
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Colstrip, MT
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Colstrip, MT
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in May
Colstrip, MT
- Average humidity in May: 60%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Colstrip, MT
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in May
Colstrip, MT
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Colstrip, MT
- Average snowfall in May: 0.55"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Colstrip, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Colstrip, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Colstrip, MT
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Colstrip, 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, February, March, April, November and December (UV index 2).
Average cloud cover in May
Colstrip, MT
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Colstrip, 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).
Colstrip, Montana, USA
Weather forecast for your location
2. Allow the app to use your location
