April weather forecast and climate
Salem, OR

An evening shot of the leafy town of Salem in Oregon
An evening shot of the leafy town of Salem in Oregon
April in Salem, Oregon, is a mild spring month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 58.8°F (14.9°C).

Temperature

In April, the average high-temperature slightly increases, from a fresh 52.9°F (11.6°C) in March, to a mild 58.8°F (14.9°C). In Salem, the average low-temperature is 38.8°F (3.8°C).

Humidity

In Salem, the average relative humidity is 80%.

Rainfall

In Salem, during 17.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, in Salem, there are 162.5 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Salem.

Daylight

The average length of the day is 13.5h.

Sunshine

In April, the average sunshine is 7.3h.

UV index

In Salem, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in April in Salem?

The average high-temperature, in April, is 58.8°F (14.9°C), while the average low-temperature is 38.8°F (3.8°C).

What is the average humidity in April in Salem?

The average relative humidity in April in Salem, Oregon, is 80%.

How many days does it rain in April in Salem?

In Salem, in April, during 17.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

Does it snow in Salem in April?

In April, in Salem, Oregon, it doesn't snow. March is the latest month when it typically snows.

When it does not snow in Salem?

In Salem snow does not fall in April through October.

What is the average length of the day in April in Salem?

The average length of the day in April is 13.5h.

How many hours of sunshine does Salem have in April?

In Salem, Oregon, the average sunshine in April is 7.3h.

What is the UV index reading in April in Salem?

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in April - Salem, OR
  • Average high temperature in April: 14.9°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is December (7.5°C).

  • Average low temperature in April: 3.8°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is December (1.4°C).

Average pressure in April - Salem, OR
  • Average pressure in April: 1018.4mbar

The month with the highest atmospheric pressure is January (1019.7mbar).
The month with the lowest atmospheric pressure is August (1016.2mbar).

Average wind speed in April - Salem, OR
  • Average wind speed in April: 8.2km/h

The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).

Average humidity in April - Salem, OR
  • Average humidity in April: 80%

Months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (65%).

Average rainfall in April - Salem, OR
  • Average rainfall in April: 59mm

The wettest month (with the highest rainfall) is December (100mm).
The driest month (with the least rainfall) is July (7mm).

Average rainfall days in April - Salem, OR
  • Average rainfall days in April: 17.7 days

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is July (3.9 days).

Average snowfall in April - Salem, OR
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (30mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (1.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in April / Average sunshine in April - Salem, OR
  • Average daylight in April: 13.5h

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

  • Average sunshine in April: 7.3h

The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 4.2h).

Average sunshine days in April - Salem, OR
  • Average sunshine days in April: 10.3 days

The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (8.8 days).

Average UV index in April - Salem, OR
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April - Salem, OR
  • Average cloud cover in April: 54

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in April - Salem, OR
  • Average visibility in April: 8km

Months with the highest visibility are July, August and September (9km).
Months with the lowest visibility are January, February, March, April, May, June, October, November and December (8km).