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
The onset of May marks an increase in the average high-temperature, moving from a refreshing 60.4°F (15.8°C) in April to an agreeable 70.7°F (21.5°C). Throughout May, Grand View records an average temperature of 49.3°F (9.6°C) at night.Humidity
In May, the average relative humidity is 42%.Rainfall
In May, the rain falls for 7.3 days. Throughout May, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 82.3 rainfall days, and 7.44" (189mm) of precipitation is accumulated.Snowfall
In Grand View, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 41min.On the first day of May, sunrise is at 6:36 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 9:16 pm MDT.
Sunshine
In May, the average sunshine is 11.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during May translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Grand View have in May?
How high is the UV index in May?
Average temperature in May
Grand View, ID
- Average high temperature in May: 70.7°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 (36.9°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).
Average pressure in May
Grand View, ID
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Grand View, ID
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in May
Grand View, ID
- Average humidity in May: 42%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is July (25%).
Average rainfall in May
Grand View, ID
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in May
Grand View, ID
- Average rainfall days in May: 7.3 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (2 days).
Average snowfall in May
Grand View, ID
- Average snowfall in May: 0"
The month with the highest snowfall is December (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grand View, ID
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (7.1 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
Grand View, 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 6min).
- Average sunshine in May: 11h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in May
Grand View, ID
- Average sunshine days in May: 21.8 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (14.9 days).
Average UV index in May
Grand View, 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
Grand View, ID
- Average cloud cover in May: 20
The month with the most cloud cover is December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in May
Grand View, 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).
Grand View, Idaho, USA
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