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 start of May signals a considerable escalation in the average high-temperature, advancing from a frosty 48.9°F (9.4°C) in April to a refreshing 63.7°F (17.6°C). Butte, during May nights, observes an average temperature of 46°F (7.8°C).Humidity
In May, the average relative humidity in Butte is 62%.Rainfall
In Butte, in May, during 14.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 105.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Butte aggregates 0.24" (6mm) of snow. In Butte, during the entire year, snow falls for 77.8 days and aggregates up to 24.41" (620mm) of snow.Daylight
In Butte, North Dakota, the average length of the day in May is 15h and 11min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:56 pm. On the last day of May, in Butte, sunrise is at 5:48 am and sunset at 9:32 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
In Butte, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Butte?
What is the average humidity in May in Butte?
How many days does it rain in May in Butte?
What is the last month it snows in Butte?
What is the average length of the day in May in Butte?
What time are sunrise and sunset in May in Butte?
How many hours of sunshine does Butte have in May?
How high is the UV index in May in Butte?
Average temperature in May
Butte, ND
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (3°F).
Average pressure in May
Butte, ND
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Butte, ND
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is October (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in May
Butte, ND
- Average humidity in May: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (57%).
Average rainfall in May
Butte, ND
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in May
Butte, ND
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in May
Butte, ND
- Average snowfall in May: 0.24"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Butte, ND
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is December (16 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Butte, ND
- 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 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Butte, ND
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in May
Butte, ND
- 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 and December (UV index 1).
Average cloud cover in May
Butte, ND
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Butte, ND
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Butte, North Dakota, USA
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