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
May marks a rise in the average high-temperature, moving from April's chilly 48.9°F (9.4°C) to a mild 59.7°F (15.4°C). In Grouse, May is marked by an average low-temperature of 40.6°F (4.8°C).Humidity
The average relative humidity in May is 51%.Rainfall
May is the month with the most rainfall. Rain falls for 15 days and accumulates 1.42" (36mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.3 snowfall days, in May, Grouse aggregates 0.35" (9mm) of snow. In Grouse, during the entire year, snow falls for 75.2 days and aggregates up to 35.28" (896mm) of snow.Daylight
The average length of the day in May is 14h and 44min.On the first day of May, sunrise is at 6:25 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 9:08 pm MDT.
Sunshine
In Grouse, Idaho, the average sunshine in May is 10.9h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grouse in May?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Grouse have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Grouse, ID
- Average high temperature in May: 59.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in May
Grouse, ID
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Grouse, ID
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in May
Grouse, ID
- Average humidity in May: 51%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in May
Grouse, ID
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in May
Grouse, ID
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in May
Grouse, ID
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Grouse, ID
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Grouse, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
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: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Grouse, ID
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Grouse, 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 February (UV index 1).
Average cloud cover in May
Grouse, ID
- Average cloud cover in May: 25
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in May
Grouse, 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).
Grouse, Idaho, USA
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