May weather forecastSilverton, OR
May
Weather in May
The last month of the spring, May, is a comfortable month in Silverton, Oregon, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 65.1°F (18.4°C).Temperature
With the onset of May, Silverton's average high-temperature experiences a slight rise, moving from April's mild 57.2°F (14°C) to a still refreshing 65.1°F (18.4°C). Silverton anticipates a considerable drop in temperature at night in May, with an average low of 42.4°F (5.8°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Silverton, in May, it is raining for 13.5 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 168.8 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
In Silverton, snow does not fall in April through October.Daylight
In Silverton, the average length of the day in May is 14h and 53min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:50 pm PDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Silverton, OR
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in May: 42.4°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in May
Silverton, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Silverton, OR
- Average wind speed in May: 4.5mph
The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Silverton, OR
- Average humidity in May: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in May
Silverton, OR
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Silverton, OR
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in May
Silverton, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Silverton, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Silverton, OR
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Silverton, OR
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in May
Silverton, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Silverton, OR
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Silverton, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
