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
As Grasmere welcomes May, the average high-temperature sees a rise, transitioning from a moderate 59.9°F (15.5°C) in April to a pleasant 70.5°F (21.4°C). The mean low-temperature during May nights is a chilly 49.1°F (9.5°C).Humidity
The average relative humidity in May is 42%.Rainfall
In Grasmere, during May, the rain falls for 10.4 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Grasmere, during the entire year, the rain falls for 100.2 days and collects up to 7.48" (190mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:43 pm. On the last day of May, sunrise is at 6:09 am and sunset at 9:13 pm MDT.
Sunshine
The average sunshine in May in Grasmere is 11.5h.UV index
In Grasmere, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grasmere in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in Grasmere in May?
How many hours of daylight does Grasmere have in May?
When are sunrise and sunset in May?
How long on average sun shines in May in Grasmere?
What is the UV index intensity in May?
Average temperature in May
Grasmere, ID
- Average high temperature in May: 70.5°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (36.7°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in May
Grasmere, ID
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The months with the lowest atmospheric pressure are June and August (29.88"Hg).
Average wind speed in May
Grasmere, ID
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are January and September (6.5mph).
Average humidity in May
Grasmere, ID
- Average humidity in May: 42%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (25%).
Average rainfall in May
Grasmere, ID
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in May
Grasmere, ID
- Average rainfall days in May: 10.4 days
The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are July and August (3.7 days).
Average snowfall in May
Grasmere, ID
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grasmere, ID
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5.5 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
Grasmere, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 11h and 3min
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 12min).
Average sunshine days in May
Grasmere, ID
- Average sunshine days in May: 17.4 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in May
Grasmere, 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
Grasmere, ID
- Average cloud cover in May: 20
The month with the most cloud cover is December (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in May
Grasmere, 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).
Grasmere, Idaho, USA
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