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 Blackfoot transitions into May, a rise in the average high-temperature is observed, moving from a fresh 53.2°F (11.8°C) in April to a comfortable 63.9°F (17.7°C). Blackfoot's average low-temperature of 41.5°F (5.3°C) in May reflects a significant disparity from the daytime highs.Humidity
In Blackfoot, the average relative humidity in May is 52%.Rainfall
In Blackfoot, in May, during 12.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 120.8 rainfall days, and 10.67" (271mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Blackfoot aggregates 0.39" (10mm) of snow. Throughout the year, there are 69.9 snowfall days, and 29.37" (746mm) of snow is accumulated.Daylight
In Blackfoot, the average length of the day in May is 14h and 42min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:31 pm. On the last day of May, sunrise is at 5:52 am and sunset at 9:02 pm MDT.
Sunshine
In Blackfoot, the average sunshine in May is 11h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during May leads to these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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 much does it rain in May?
What is the last month it snows?
How many hours of daylight does Blackfoot have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Blackfoot have in May?
What is the UV index intensity in May?
Average temperature in May
Blackfoot, ID
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Blackfoot, ID
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Blackfoot, ID
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in May
Blackfoot, ID
- Average humidity in May: 52%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (34%).
Average rainfall in May
Blackfoot, ID
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in May
Blackfoot, ID
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (7.3 days).
Average snowfall in May
Blackfoot, ID
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (7.83").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Blackfoot, ID
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Blackfoot, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Blackfoot, ID
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in May
Blackfoot, ID
- 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 December (UV index 1).
Average cloud cover in May
Blackfoot, ID
- Average cloud cover in May: 25
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Blackfoot, ID
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Blackfoot, Idaho, USA
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