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
As April gives way to May, the average high-temperature displays an increase, moving from a fresh 52.9°F (11.6°C) to an enjoyable 64.4°F (18°C). Box Elder records an average low of 45.3°F (7.4°C) throughout the nights in May.Humidity
The average relative humidity in May is 54%.Rainfall
In May, the rain falls for 14.4 days. Throughout May, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 103.8 rainfall days, and 11.26" (286mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Box Elder aggregates 0.59" (15mm) of snow. Throughout the year, in Box Elder, there are 55.7 snowfall days, and 22.09" (561mm) of snow is accumulated.Daylight
In Box Elder, the average length of the day in May is 15h and 14min.On the first day of May in Box Elder, sunrise is at 5:59 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 9:12 pm MDT.
Sunshine
In May, the average sunshine in Box Elder is 10.3h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 in May translates into this advice:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun during its peak radiation time around midday is a healthy practice. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Box Elder in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May in Box Elder?
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 Box Elder?
Average temperature in May
Box Elder, MT
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (27.5°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (14°F).
Average pressure in May
Box Elder, MT
- Average pressure in May: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Box Elder, MT
- Average wind speed in May: 9.5mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in May
Box Elder, MT
- Average humidity in May: 54%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Box Elder, MT
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in May
Box Elder, MT
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Box Elder, MT
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Box Elder, MT
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Box Elder, 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 February (Average sunshine: 5h and 18min).
Average sunshine days in May
Box Elder, MT
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in May
Box Elder, 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
Box Elder, MT
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in May
Box Elder, 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).
Box Elder, Montana, USA
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