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
Columbia Falls's weather in May presents a rise in the average high-temperature, moving from a chilly 46.6°F (8.1°C) in April to a refreshing 59.5°F (15.3°C). Against the high May temperatures, Columbia Falls records an average drop to an icy 35.2°F (1.8°C) at night.Humidity
In May, the average relative humidity is 68%.Rainfall
In Columbia Falls, in May, it is raining for 13.8 days, with typically 1.1" (28mm) of accumulated precipitation. In Columbia Falls, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.5 snowfall days, in May, Columbia Falls aggregates 0.55" (14mm) of snow. In Columbia Falls, during the entire year, snow falls for 97 days and aggregates up to 33.86" (860mm) of snow.Daylight
In Columbia Falls, the average length of the day in May is 15h and 15min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:51 pm. On the last day of May, sunrise is at 5:39 am and sunset at 9:29 pm MDT.
Sunshine
In Columbia Falls, the average sunshine in May is 10.4h.UV index
In Columbia Falls, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May in Columbia Falls?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May in Columbia Falls?
Average temperature in May
Columbia Falls, MT
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in May: 35.2°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in May
Columbia Falls, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Columbia Falls, MT
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in May
Columbia Falls, MT
- Average humidity in May: 68%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Columbia Falls, MT
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in May
Columbia Falls, MT
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Columbia Falls, MT
- Average snowfall in May: 0.55"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Columbia Falls, MT
- Average snowfall days in May: 1.5 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Columbia Falls, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Columbia Falls, MT
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in May
Columbia Falls, 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
Columbia Falls, MT
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Columbia Falls, 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).
Columbia Falls, Montana, USA
Weather forecast for your location
2. Allow the app to use your location