July weather forecastFederal Way, WA
July
Weather in July
Following the gentle prequel of June, July bursts into a robust summer display, making it the warmest month in Federal Way. With sweltering average highs nearing 76.8°F (24.9°C), July owns the climax of summer. rainfall transitions to a mere drizzle with less than half an inch of precipitation falling throughout the month. Warm evenings encourage the population to enjoy outdoor activities, under the diluted colors of the setting sun. A decline in relative humidity points towards lesser moisture in the air.Temperature
With the start of July, the average high-temperature marginally shifts from June's agreeable 69.4°F (20.8°C) to a warm 76.8°F (24.9°C). Nighttime temperatures exhibit a substantial dip from daytime highs during July, averaging at a cool 51.4°F (10.8°C).Humidity
July is the least humid month, with an average relative humidity of 68%.Rainfall
July is the month with the least rainfall. Rain falls for 7 days and accumulates 0.43" (11mm) of precipitation.Snowfall
In Federal Way, snow does not fall in May through October.Daylight
The average length of the day in July is 15h and 29min.On the first day of July, sunrise is at 5:17 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:43 pm PDT.
Sunshine
In July, the average sunshine is 10.6h.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 6 in July translates into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Federal Way, WA
- Average high temperature in July: 76.8°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in July: 51.4°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in July
Federal Way, WA
- Average pressure in July: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in July
Federal Way, WA
- Average wind speed in July: 3.5mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in July
Federal Way, WA
- Average humidity in July: 68%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is July (68%).
Average rainfall in July
Federal Way, WA
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is December (4.72").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in July
Federal Way, WA
- Average rainfall days in July: 7 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in July
Federal Way, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Federal Way, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.4 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
Federal Way, WA
- Average daylight in July: 15h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in July: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in July
Federal Way, WA
- Average sunshine days in July: 21.8 days
The month with the most sunshine days is August (22.8 days).
The months with the least sunshine days are February and November (8.5 days).
Average UV index in July
Federal Way, WA
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Federal Way, WA
- Average cloud cover in July: 27
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in July
Federal Way, WA
- Average visibility in July: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).





