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 embrace of May brings a minor uplift in the average high-temperature, shifting from 57.2°F (14°C) in April to a still refreshing 65.1°F (18.4°C). Silverton endures a clear shift from daytime heat to a mean low-temperature of 42.4°F (5.8°C) during May nights.Humidity
In May, the average relative humidity is 77%.Rainfall
In May, the rain falls for 13.5 days. Throughout May, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Silverton, 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, Oregon, 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
The average sunshine in May in Silverton is 8.6h.UV index
In Silverton, Oregon, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in May translates into these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are the temperatures in Silverton in May?
What is the average humidity in May in Silverton?
How much does it rain in Silverton in May?
When it does not snow in Silverton?
What is the average length of the day in May in Silverton?
When are sunrise and sunset in May in Silverton?
How long on average sun shines in May in Silverton?
What is the UV index reading in May in Silverton?
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 5min
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 4min
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).
Silverton, Oregon, USA
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