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
In May, the average high-temperature rises from a cold 39.9°F (4.4°C) in April to a cool 51.4°F (10.8°C). In Ketchum, Idaho, the average low-temperature is 32.9°F (0.5°C).Humidity
In May, the average relative humidity is 65%.Rainfall
In Ketchum, in May, it is raining for 14.8 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Ketchum, there are 107.7 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ketchum are January through June, September through December. In Ketchum, in May, during 2.8 snowfall days, 1.46" (37mm) of snow is typically accumulated. In Ketchum, during the entire year, snow falls for 88.2 days and aggregates up to 69.45" (1764mm) of snow.Daylight
In May, the average length of the day is 14h and 44min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:39 pm. On the last day of May, in Ketchum, sunrise is at 5:59 am and sunset at 9:11 pm MDT.
Sunshine
The average sunshine in May is 10.9h.UV index
In May, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in May in Ketchum?
What is the average humidity in May in Ketchum?
How much does it rain in Ketchum in May?
How much does it snow in Ketchum in May?
How many hours of daylight does Ketchum have in May?
When is the sunrise / sunset in May in Ketchum?
How long on average sun shines in May in Ketchum?
What is the UV index intensity in May in Ketchum?
Average temperature in May
Ketchum, ID
- Average high temperature in May: 51.4°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in May: 32.9°F
The months with the highest average low temperature are July and August (50.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in May
Ketchum, ID
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Ketchum, ID
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is July (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity in May
Ketchum, ID
- Average humidity in May: 65%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Ketchum, ID
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Ketchum, ID
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in May
Ketchum, ID
- Average snowfall in May: 1.46"
The month with the highest snowfall is February (15").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Ketchum, ID
- Average snowfall days in May: 2.8 days
The month with the highest number of snowfall days is March (16 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Ketchum, ID
- Average daylight in May: 14h and 44min
The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 8h and 59min).
- Average sunshine in May: 10h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in May
Ketchum, ID
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is April (11.1 days).
Average UV index in May
Ketchum, ID
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Ketchum, ID
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in May
Ketchum, ID
- 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 and December (4mi).
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