May weather forecastGlenns Ferry, ID
May
Weather in May
May, the last month of the spring in Glenns Ferry, is a pleasant month, with an average temperature varying between 70°F (21.1°C) and 47.8°F (8.8°C).Temperature
As May arrives, a rise in the average high-temperature is observed, moving from a refreshing 59.5°F (15.3°C) in April to a pleasant 70°F (21.1°C). With a notable disparity from daily peak temperatures, the average low-temperature settles at a frosty 47.8°F (8.8°C) throughout May.Humidity
In Glenns Ferry, the average relative humidity in May is 43%.Rainfall
In Glenns Ferry, in May, during 7.6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Glenns Ferry, Idaho, there are 80.6 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Glenns Ferry.Daylight
In May, the average length of the day is 14h and 40min.On the first day of May in Glenns Ferry, Idaho, sunrise is at 6:33 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 9:13 pm MDT.
Sunshine
The average sunshine in May in Glenns Ferry is 11.4h.UV index
In Glenns Ferry, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glenns Ferry, ID
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in May
Glenns Ferry, ID
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Glenns Ferry, ID
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in May
Glenns Ferry, ID
- Average humidity in May: 43%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (26%).
Average rainfall in May
Glenns Ferry, ID
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Glenns Ferry, ID
- Average rainfall days in May: 7.6 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in May
Glenns Ferry, ID
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Glenns Ferry, ID
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glenns Ferry, ID
- Average daylight in May: 14h and 42min
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 6min).
- Average sunshine in May: 11h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in May
Glenns Ferry, ID
- Average sunshine days in May: 21.5 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (16.5 days).
Average UV index in May
Glenns Ferry, ID
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Glenns Ferry, ID
- Average cloud cover in May: 20
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Glenns Ferry, ID
- 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).
