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 arrival of May brings a temperature shift, with the average high-temperature escalating from an icy 42.1°F (5.6°C) in April to a moderate 55.4°F (13°C). A significant drop from the day's peak to an average low-temperature of 31.3°F (-0.4°C) is noted during the nights in May in Gray, Idaho.Humidity
In Gray, the average relative humidity in May is 70%.Rainfall
In Gray, during May, the rain falls for 17.9 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Gray, during the entire year, the rain falls for 127 days and collects up to 24.29" (617mm) of precipitation.Snowfall
Months with snowfall in Gray are January through June, September through December. In Gray, in May, during 4.1 snowfall days, 2.87" (73mm) of snow is typically accumulated. In Gray, Idaho, during the entire year, snow falls for 126.6 days and aggregates up to 110.28" (2801mm) of snow.Daylight
In Gray, the average length of the day in May is 14h and 41min.On the first day of May, sunrise is at 6:17 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:57 pm MDT.
Sunshine
In Gray, Idaho, the average sunshine in May is 10.1h.UV index
In Gray, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in May translates into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are May temperatures in Gray?
What is the average humidity in May in Gray?
How much does it rain in Gray in May?
How many days does it snow in May in Gray?
What is the average length of the day in May in Gray?
When is the sunrise / sunset in May in Gray?
How many hours of sunshine does Gray have in May?
What is the UV index reading in May in Gray?
Average temperature in May
Gray, ID
- Average high temperature in May: 55.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in May: 31.3°F
The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in May
Gray, ID
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Gray, ID
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in May
Gray, ID
- Average humidity in May: 70%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Gray, ID
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in May
Gray, ID
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in May
Gray, ID
- Average snowfall in May: 2.87"
The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Gray, ID
- Average snowfall days in May: 4.1 days
The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Gray, 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: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Gray, ID
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in May
Gray, ID
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Gray, ID
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Gray, ID
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
Gray, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location
