April weather forecast and climate
Olympia, WA

The calm Capitol Lake overlooking the Washington State Capitol building in Olympia, Washington
The calm Capitol Lake overlooking the Washington State Capitol building in Olympia, Washington

What is the temperature in April in Olympia?

The average high-temperature, in April, is 58.8°F (14.9°C), while the average low-temperature is 37.8°F (3.2°C).

How much does it rain in Olympia in April?

In Olympia, during April, the rain falls for 15.7 days and regularly aggregates up to 3.5" (89.9mm) of precipitation.

Does it snow in Olympia in April?

In April, in Olympia, Washington, it doesn't snow. March is the latest month when it typically snows.
Average temperature in April - Olympia, WA
  • Average high temperature in April: 14.9°C

The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is December (6.8°C).

  • Average low temperature in April: 3.2°C

The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is December (0.3°C).

Average humidity in April - Olympia, WA
  • Average humidity in April: 75.6%

The month with the highest relative humidity is December (89.1%).
The month with the lowest relative humidity is July (70.8%).

Average rainfall in April - Olympia, WA
  • Average rainfall in April: 89.9mm

The wettest month (with the highest rainfall) is November (219.2mm).
The driest month (with the lowest rainfall) is July (16mm).

Average rainfall days in April - Olympia, WA
  • Average rainfall days in April: 15.7 days

The month with the highest number of rainy days is November (20.1 days).
The month with the lowest number of rainy days is July (4.6 days).

Average snowfall in April - Olympia, WA
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (119.4mm).
Months with the lowest snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in April - Olympia, WA
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (2.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in April / Average sunshine in April - Olympia, WA
  • Average daylight in April: 13.7h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.6h).

  • Average sunshine in April: 7h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are January and December (Average sunshine: 2).

Average UV index in April - Olympia, WA
  • Average UV index in April: 5

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).

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