July weather forecastOlympia, WA
July
Weather in July
July in Olympia delivers the quintessential summer experience. It is the warmest month of the year, characterized by long, sunlit days. The reduced rainfall is stark, dropping to 0.39" (10mm)—marking it as the driest month. One can enjoy outdoor dining, local festivals, and other activities without worrying about sudden showers. As the month ends, August continues the trend of warm, sunny days.Temperature
Olympia in July denotes a subtle temperature transition, adjusting from an average high of an agreeable 70.3°F (21.3°C) in June to a moderately hot 77.9°F (25.5°C). The anticipated average low-temperature for July, a chilly 49.6°F (9.8°C), shows a substantial deviation from the daytime maximums.Humidity
With an average relative humidity of 71%, July is the least humid month.Rainfall
The month with the least rainfall in Olympia is July, when the rain falls for 6.9 days and typically collects 0.39" (10mm) of precipitation.Snowfall
April through October are months without snowfall in Olympia.Daylight
In July, the average length of the day is 15h and 27min.On the first day of the month, sunrise is at 5:20 am and sunset at 9:10 pm. On the last day of July, in Olympia, sunrise is at 5:50 am and sunset at 8:45 pm PDT.
Sunshine
The average sunshine in July is 10.1h.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In July, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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"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).
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%
The 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").
The 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).
The 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: 15h and 24min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 10h and 6min
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).
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
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).
Average cloud cover in July
Olympia, WA
- Average cloud cover in July: 35
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).
Average visibility in July
Olympia, WA
- Average visibility in July: 5mi
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).
