Olympia
Washington, USA
Long-term weather forecast
Long-term weather forecast

March 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
The first month of the spring, March, is a fresh month in Olympia, Washington, with average temperature ranging between min 35.1°F (1.7°C) and max 54°F (12.2°C).

Temperature

In Olympia, Washington, the average high-temperature is relatively the same as in February - a cool 54°F (12.2°C). The average low-temperature, in March, is 35.1°F (1.7°C).

Humidity

The average relative humidity in March is 80%.

Rainfall

In March, in Olympia, the rain falls for 18.5 days. Throughout March, 5.3" (134.4mm) of precipitation is accumulated. Throughout the year, there are 162.8 rainfall days, and 50" (1270mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall.

Daylight

In Olympia, the average length of the day is 12h.

Sunshine

In Olympia, the average sunshine is 6h.

UV index

In March, the average daily maximum UV index in Olympia is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in March in Olympia?

The average high-temperature, in March, in Olympia, is 54°F (12.2°C), while the average low-temperature is 35.1°F (1.7°C).

What is the average humidity in March in Olympia?

The average relative humidity in March in Olympia, Washington, is 80%.

How many days does it rain in March in Olympia?

In Olympia, in March, it is raining for 18.5 days, with typically 5.3" (134.4mm) of accumulated precipitation.

What is the last month it snows in Olympia?

March is the last month it regularly snows in Olympia, Washington. During 0.3 snowfall days, in March, Olympia aggregates 0.7" (17.8mm) of snow.

How many hours of daylight does Olympia have in March?

The average length of the day in March is 12h.

How many hours of sunshine does Olympia have in March?

In March, the average sunshine in Olympia, Washington, is 6h.

What is the UV index reading in March in Olympia?

In Olympia, Washington, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.
Average temperature in March - Olympia, WA
  • Average high temperature in March: 12.2°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 March: 1.7°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 March - Olympia, WA
  • Average humidity in March: 80%

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 March - Olympia, WA
  • Average rainfall in March: 134.4mm

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 March - Olympia, WA
  • Average rainfall days in March: 18.5 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 March - Olympia, WA
  • Average snowfall in March: 17.8mm

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 March - Olympia, WA
  • Average snowfall days in March: 0.3 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 March / Average sunshine in March - Olympia, WA
  • Average daylight in March: 12h

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 March: 6h

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

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).