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
With the onset of May, Silverton's average high-temperature experiences a rise, moving from April's frosty 48°F (8.9°C) to a refreshing 60.1°F (15.6°C). With a significant daily temperature differential, Silverton's nighttime temperature in May falls to an average of 35.8°F (2.1°C).Humidity
In May, the average relative humidity is 71%.Rainfall
In May, the rain falls for 15.7 days. Throughout May, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 128.7 rainfall days, and 24.65" (626mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Silverton, Idaho. During 0.5 snowfall days, in May, Silverton aggregates 0.16" (4mm) of snow. Throughout the year, there are 74.7 snowfall days, and 63.27" (1607mm) of snow is accumulated.Daylight
In Silverton, the average length of the day in May is 15h and 9min.On the first day of May, sunrise is at 5:25 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 8:32 pm PDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In Silverton, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Silverton in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows in Silverton?
What is the average length of the day in May in Silverton?
What time are sunrise and sunset in May in Silverton?
How long on average sun shines in May?
What is the UV index intensity in May in Silverton?
Average temperature in May
Silverton, ID
- Average high temperature in May: 60.1°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in May: 35.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in May
Silverton, ID
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in May
Silverton, ID
- Average wind speed in May: 4.5mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest months (with the lowest average wind speed) are September and December (4.2mph).
Average humidity in May
Silverton, ID
- Average humidity in May: 71%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in May
Silverton, ID
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is January (3.07").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in May
Silverton, ID
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is July (6 days).
Average snowfall in May
Silverton, ID
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (16.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Silverton, ID
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Silverton, ID
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in May
Silverton, ID
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (9.3 days).
Average UV index in May
Silverton, 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, November and December (UV index 1).
Average cloud cover in May
Silverton, ID
- Average cloud cover in May: 40
The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in May
Silverton, ID
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Silverton, Idaho, USA
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