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 arrival of May brings a change in Clancy's weather, with average high-temperatures moving from April's frosty 47.8°F (8.8°C) to a refreshing 59.4°F (15.2°C). Clancy experiences a substantial divergence from daytime highs in May, with average lows hovering around a cold 36.9°F (2.7°C).Humidity
In Clancy, the average relative humidity in May is 62%.Rainfall
In Clancy, in May, during 15.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 123.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.3 snowfall days, in May, Clancy aggregates 0.67" (17mm) of snow. Throughout the year, there are 80.4 snowfall days, and 34.88" (886mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 2min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:37 pm. On the last day of May, sunrise is at 5:38 am and sunset at 9:12 pm MDT.
Sunshine
In Clancy, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 suggests these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
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?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Clancy, MT
- Average high temperature in May: 59.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in May: 36.9°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (14.2°F).
Average pressure in May
Clancy, MT
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Clancy, MT
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is November (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Clancy, MT
- Average humidity in May: 62%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in May
Clancy, MT
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in May
Clancy, MT
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7 days).
Average snowfall in May
Clancy, MT
- Average snowfall in May: 0.67"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Clancy, MT
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Clancy, MT
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Clancy, MT
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is July (20.5 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in May
Clancy, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Clancy, MT
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Clancy, MT
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Clancy, Montana, USA
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