July 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
July in Olympia, Washington, is a moderately hot summer month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 77.9°F (25.5°C).

Temperature

In July, the average high-temperature slightly increases, from an agreeable 70.3°F (21.3°C) in June, to a moderately hot 77.9°F (25.5°C). In Olympia, in July, the average low-temperature is 49.6°F (9.8°C).

Humidity

July is the least humid month in Olympia, with an average relative humidity of 71%.

Rainfall

July is the month with the least rainfall in Olympia. Rain falls for 6.9 days and accumulates 0.39" (10mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Olympia, the average length of the day is 15.4h.

Sunshine

The average sunshine in July is 10.1h.

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 value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in July in Olympia?

The average high-temperature, in July, is 77.9°F (25.5°C), while the average low-temperature is 49.6°F (9.8°C).

What is the least humid month in Olympia?

The least humid month is July, with an average relative humidity of 71%.

What is the average humidity in July in Olympia?

The average relative humidity in July is 71%.

How many days does it rain in July in Olympia?

In Olympia, Washington, in July, it is raining for 6.9 days, with typically 0.39" (10mm) of accumulated precipitation.

What is the driest month in Olympia?

July is the month with the least rainfall in Olympia, Washington. Rain falls for 6.9 days and accumulates 0.39" (10mm) of precipitation.

When it does not snow in Olympia?

April through October are months without snowfall in Olympia, Washington.

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

The average length of the day in July is 15.4h.

How many hours of sunshine does Olympia have in July?

In July, the average sunshine is 10.1h.

What is the month with the highest UV index in Olympia?

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

What is the UV index intensity in July in Olympia?

The average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in July - Olympia, WA
  • Average high temperature in July: 77.9°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 July: 49.6°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 July - Olympia, WA
  • Average pressure in July: 30.06"

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 July - Olympia, WA
  • Average wind speed in July: 4.2mph

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 July - Olympia, WA
  • Average humidity in July: 71%

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 July - Olympia, WA
  • Average rainfall in July: 0.39"

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 July - Olympia, WA
  • Average rainfall days in July: 6.9 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 July - Olympia, WA
  • Average snowfall in July: 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 July - Olympia, WA
  • Average snowfall days in July: 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 July / Average sunshine in July - Olympia, WA
  • Average daylight in July: 15.4h

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 July: 10.1h

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 July - Olympia, WA
  • Average sunshine days in July: 21.9 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).

Average UV index in July - Olympia, WA
  • Average UV index in July: 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 July - Olympia, WA
  • Average cloud cover in July: 35

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 July - Olympia, WA
  • Average visibility in July: 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).