Salem
Oregon, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Salem, OR

An evening shot of the leafy town of Salem in Oregon, with a clear dusk sky
An evening shot of the leafy town of Salem in Oregon, with a clear dusk sky
May, the last month of the spring, in Salem, is another comfortable month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 41.7°F (5.4°C).

Temperature

In Salem, the average high-temperature marginally rises, from a comfortable 61.2°F (16.2°C) in April, to a still enjoyable 67.8°F (19.9°C). The average low-temperature, in Salem, is 41.7°F (5.4°C).

Rainfall

In Salem, during 11.9 rainfall days, 2.2" (56.4mm) of precipitation is typically accumulated. In Salem, during the entire year, the rain falls for 144.3 days and collects up to 39.6" (1007.1mm) of precipitation.

Snowfall

March through October are months without snowfall in Salem.

Daylight

The average length of the day is 14.9h.

Sunshine

In Salem, the average sunshine is 9h.

UV index

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Salem?

In May, in Salem, Oregon, the average high-temperature is 67.8°F (19.9°C), and the average low-temperature is 41.7°F (5.4°C).

How much does it rain in Salem in May?

In Salem, during May, the rain falls for 11.9 days and regularly aggregates up to 2.2" (56.4mm) of precipitation.

When it does not snow in Salem?

In Salem snow does not fall in March through October.

How many hours of daylight does Salem have in May?

In May, the average length of the day in Salem is 14.9h.

How long on average sun shines in May in Salem?

In Salem, the average sunshine in May is 9h.

How high is the UV index in May in Salem?

The average daily maximum UV index in May in Salem is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in May - Salem, OR
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is August (82.4°F).
The month with the lowest average high temperature is December (46.2°F).

  • Average low temperature in May: 41.7°F

The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (34°F).

Average rainfall in May - Salem, OR
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is December (6.9").
The driest month (with the lowest rainfall) is August (0.4").

Average rainfall days in May - Salem, OR
  • Average rainfall days in May: 11.9 days

The month with the highest number of rainy days is December (18.2 days).
The month with the lowest number of rainy days is July (2.9 days).

Average snowfall in May - Salem, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.7").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in May - Salem, OR
  • Average snowfall days in May: 0 days

Months with the highest number of snowfall days are February and December (0.7 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Salem, OR
  • Average daylight in May: 14.9h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in May: 9h

The month with most sunshine is July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in May - Salem, OR
  • Average UV index in May: 7

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).