June 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 summer, June, is a pleasant month in Olympia, Washington, with average temperature ranging between min 45.3°F (7.4°C) and max 70.3°F (21.3°C).

Temperature

In June, the average high-temperature is essentially the same as in May - a pleasant 70.3°F (21.3°C). In June, the average low-temperature is 45.3°F (7.4°C).

Humidity

The average relative humidity in Olympia is 75%.

Rainfall

In Olympia, during 11.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Olympia, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.

Snowfall

April through October are months without snowfall in Olympia.

Daylight

The month with the longest days in Olympia is June, with an average of 15.8h of daylight.

Sunshine

In Olympia, the average sunshine is 8.7h.

UV index

Months with the highest UV index in Olympia are June and July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 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.

What is the temperature in June in Olympia?

In Olympia, in June, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 45.3°F (7.4°C).

What is the average humidity in June in Olympia?

The average relative humidity in June in Olympia is 75%.

How many days does it rain in June in Olympia?

In June, in Olympia, the rain falls for 11.3 days. Throughout June, 1.26" (32mm) of precipitation is accumulated.

When it does not snow in Olympia?

In Olympia snow does not fall in April through October.

When are the longest days in Olympia?

June has the longest days of the year in Olympia, with an average of 15.8h of daylight.

How many hours of daylight does Olympia have in June?

In June, the average length of the day in Olympia, Washington, is 15.8h.

How long on average sun shines in June in Olympia?

In Olympia, the average sunshine in June is 8.7h.

When is the highest UV index in Olympia?

Months with the highest UV index in Olympia are June and July, with an average maximum UV index of 5.

What is the UV index reading in June in Olympia?

The average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in June - Olympia, WA
  • Average high temperature in June: 70.3°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 June: 45.3°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).

Average pressure in June - Olympia, WA
  • Average pressure in June: 30.04"

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

Average wind speed in June - Olympia, WA
  • Average wind speed in June: 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).

Average humidity in June - Olympia, WA
  • Average humidity in June: 75%

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

Average rainfall in June - Olympia, WA
  • Average rainfall in June: 1.26"

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

Average rainfall days in June - Olympia, WA
  • Average rainfall days in June: 11.3 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).

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

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

Average snowfall days in June - Olympia, WA
  • Average snowfall days in June: 0 days

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

Average daylight in June / Average sunshine in June - Olympia, WA
  • Average daylight in June: 15.8h

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

  • Average sunshine in June: 8.7h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 3.4h).

Average sunshine days in June - Olympia, WA
  • Average sunshine days in June: 15.8 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).

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

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

Average cloud cover in June - Olympia, WA
  • Average cloud cover in June: 51

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

Average visibility in June - Olympia, WA
  • Average visibility in June: 5mi

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