April weather forecast
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

Weather in April

April is a moderate spring month in Olympia, Washington, with an average temperature ranging between min 37.9°F (3.3°C) and max 57°F (13.9°C).

Temperature

In Olympia, the average high-temperature in April marginally rises from a fresh 51.1°F (10.6°C) in March to a mild 57°F (13.9°C). In April, the average low-temperature is 37.9°F (3.3°C).

Humidity

In April, the average relative humidity is 82%.

Rainfall

In Olympia, during 18.4 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Olympia, there are 177.4 rainfall days, and 37.05" (941mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Olympia.

Daylight

The average length of the day in April is 13h and 38min.
On the first day of April in Olympia, sunrise is at 6:50 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:20 pm PDT.

Sunshine

The average sunshine in April in Olympia is 7h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in April transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in April in Olympia?

In April, the average high-temperature is 57°F (13.9°C), and the average low-temperature is 37.9°F (3.3°C).

What is the average humidity in April in Olympia?

In April, the average relative humidity is 82%.

How many days does it rain in April in Olympia?

In Olympia, in April, it is raining for 18.4 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in Olympia?

In Olympia, Washington, snow does not fall in April through October.

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.

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

In Olympia, the average day length in April is 13h and 38min.

What time are sunrise and sunset in April in Olympia?

On the first day of April, sunrise is at 6:50 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:20 pm PDT.

How many hours of sunshine does Olympia have in April?

In April, the average sunshine duration in Olympia is 7h.

What is the UV index intensity in April in Olympia?

The average daily maximum UV index in April in Olympia is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Olympia, WA

Average temperature in April - Olympia, WA
  • Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in April: 37.9°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).

[Resources]

Average pressure in April
Olympia, WA

Average pressure in April - Olympia, WA
  • Average pressure in April: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

[Resources]

Average wind speed in April
Olympia, WA

Average wind speed in April - Olympia, WA
  • Average wind speed in April: 4.5mph

The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

[Resources]

Average humidity in April
Olympia, WA

Average humidity in April - Olympia, WA
  • Average humidity in April: 82%

The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).

[Resources]

Average rainfall in April
Olympia, WA

Average rainfall in April - Olympia, WA
  • Average rainfall in April: 2.76"

The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").

[Resources]

Average rainfall days in April
Olympia, WA

Average rainfall days in April - Olympia, WA
  • Average rainfall days in April: 18.4 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).

[Resources]

Average snowfall in April
Olympia, WA

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

The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in April
Olympia, WA

Average snowfall days in April - Olympia, WA
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in April /
Average sunshine in April
Olympia, WA

Average daylight in April / Average sunshine in April - Olympia, WA
  • Average daylight in April: 13h and 38min

The month with the longest days is June (Average daylight: 15h and 50min).
The month with the shortest days is December (Average daylight: 8h and 35min).

  • Average sunshine in April: 7h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

[Resources]

Average sunshine days in April
Olympia, WA

Average sunshine days in April - Olympia, WA
  • Average sunshine days in April: 9.9 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).

[Resources]

Average UV index in April
Olympia, WA

Average UV index in April - Olympia, WA
  • Average UV index in April: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in April
Olympia, WA

Average cloud cover in April - Olympia, WA
  • Average cloud cover in April: 58

The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).

[Resources]

Average visibility in April
Olympia, WA

Average visibility in April - Olympia, WA
  • Average visibility in April: 4mi

The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location