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 Stanley, the average high-temperature in May increases from an icy 36.5°F (2.5°C) in April to a frosty 48.6°F (9.2°C). Stanley registers a pronounced decline from daytime peak temperatures, averaging a subzero cold 27°F (-2.8°C) lows in May.Humidity
In Stanley, the average relative humidity in May is 75%.Rainfall
In Stanley, in May, it is raining for 16.3 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 98.2 rainfall days, and 19.25" (489mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Stanley, Idaho, in May, snow falls for 7.6 days, with typically accumulated 4.45" (113mm) of snow. In Stanley, Idaho, during the entire year, snow falls for 131.3 days and aggregates up to 100.24" (2546mm) of snow.Daylight
In Stanley, the average length of the day in May is 14h and 48min.On the first day of May, sunrise is at 6:29 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 9:16 pm MDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
In May, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during May leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in Stanley in May?
How much does it snow in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May in Stanley?
Average temperature in May
Stanley, ID
- Average high temperature in May: 48.6°F
The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in May: 27°F
The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is December (5.4°F).
Average pressure in May
Stanley, ID
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Stanley, ID
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is July (5.8mph).
The calmest months (with the lowest average wind speed) are January and October (4.8mph).
Average humidity in May
Stanley, ID
- Average humidity in May: 75%
The months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is July (44%).
Average rainfall in May
Stanley, ID
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is March (2.17").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in May
Stanley, ID
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in May
Stanley, ID
- Average snowfall in May: 4.45"
The month with the highest snowfall is December (16.77").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Stanley, ID
- Average snowfall days in May: 7.6 days
The month with the highest number of snowfall days is March (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Stanley, ID
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in May
Stanley, ID
- Average sunshine days in May: 9 days
The month with the most sunshine days is July (20 days).
The month with the least sunshine days is April (8.1 days).
Average UV index in May
Stanley, 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 and November (UV index 1).
Average cloud cover in May
Stanley, ID
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in May
Stanley, ID
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The month with the lowest visibility is February (3mi).
Stanley, Idaho, USA
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