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 brings a rise in the average high-temperature, transitioning from April's fresh 51.4°F (10.8°C) to a comfortable 62.2°F (16.8°C). Cascade temperatures generally rest at a low of 41.9°F (5.5°C) during the May nights.Humidity
In Cascade, the average relative humidity in May is 59%.Rainfall
In Cascade, in May, it is raining for 15.2 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 112.8 rainfall days, and 12.95" (329mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.2 snowfall days, in May, Cascade aggregates 0.63" (16mm) of snow. Throughout the year, there are 69.4 snowfall days, and 35.35" (898mm) of snow is accumulated.Daylight
In Cascade, the average length of the day in May is 15h and 7min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:38 pm. On the last day of May, in Cascade, sunrise is at 5:34 am and sunset at 9:14 pm MDT.
Sunshine
In Cascade, the average sunshine in May is 10.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during May translates into the following guidance:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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 Cascade have in May?
What time are sunrise and sunset in May in Cascade?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Cascade, MT
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).
Average pressure in May
Cascade, MT
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Cascade, MT
- Average wind speed in May: 8.1mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in May
Cascade, MT
- Average humidity in May: 59%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Cascade, MT
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in May
Cascade, MT
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Cascade, MT
- Average snowfall in May: 0.63"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Cascade, MT
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Cascade, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Cascade, MT
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in May
Cascade, 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, March, October, November and December (UV index 2).
Average cloud cover in May
Cascade, MT
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Cascade, 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).
Cascade, Montana, USA
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