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
Basalt in May sees a temperature change, with average high-temperatures moving from a cool 52.7°F (11.5°C) in April to a comfortable 63°F (17.2°C). A significant drop from the day's peak to an average low-temperature of 41.2°F (5.1°C) is noted during the nights in May in Basalt.Humidity
In Basalt, the average relative humidity in May is 53%.Rainfall
May is the month with the most rainfall. Rain falls for 15.9 days and accumulates 1.57" (40mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Basalt. May is the last month it regularly snows. During 0.6 snowfall days, in May, Basalt aggregates 0.59" (15mm) of snow. Throughout the year, there are 75.1 snowfall days, and 30.59" (777mm) of snow is accumulated.Daylight
In May, the average length of the day in Basalt is 14h and 43min.On the first day of May in Basalt, sunrise is at 6:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 9:01 pm MDT.
Sunshine
The average sunshine in May is 10.8h.UV index
In Basalt, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Basalt in May?
What is the average humidity in May in Basalt?
What is the rainiest month in Basalt?
How many days does it rain in May in Basalt?
What is the last month it snows in Basalt?
What is the average length of the day in May in Basalt?
When is the sunrise / sunset in May in Basalt?
How many hours of sunshine does Basalt have in May?
How high is the UV index in May in Basalt?
Average temperature in May
Basalt, ID
- Average high temperature in May: 63°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in May: 41.2°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in May
Basalt, ID
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Basalt, ID
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in May
Basalt, ID
- Average humidity in May: 53%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in May
Basalt, ID
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in May
Basalt, ID
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in May
Basalt, ID
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Basalt, ID
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Basalt, 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: 10h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Basalt, ID
- Average sunshine days in May: 11 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is March (10 days).
Average UV index in May
Basalt, ID
- 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 and December (UV index 1).
Average cloud cover in May
Basalt, ID
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Basalt, 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 months with the lowest visibility are January and February (4mi).
Basalt, Idaho, USA
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