Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The shift into July is accompanied by a modest temperature increase, with the average high-temperature edging up from an agreeable 70.3°F (21.3°C) in June to a moderately hot 77.9°F (25.5°C). In July, a remarkable difference from daytime highs is noted, as Steilacoom records an average temperature of 51.4°F (10.8°C) during the night.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 6.3 days and accumulates 0.39" (10mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Steilacoom, the average length of the day in July is 15h and 28min.On the first day of the month, sunrise is at 5:19 am and sunset at 9:09 pm. On the last day of July, in Steilacoom, sunrise is at 5:49 am and sunset at 8:44 pm PDT.
Sunshine
In July, the average sunshine is 10.4h.UV index
The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 in July translates into these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in July?
What is the least humid month?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July in Steilacoom?
What time are sunrise and sunset in July?
How long on average sun shines in July?
What is the month with the highest UV index?
How high is the UV index in July?
Average temperature in July
Steilacoom, WA
- Average high temperature in July: 77.9°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in July: 51.4°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in July
Steilacoom, WA
- Average pressure in July: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in July
Steilacoom, WA
- Average wind speed in July: 3.9mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in July
Steilacoom, WA
- Average humidity in July: 68%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall in July
Steilacoom, WA
- Average rainfall in July: 0.39"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in July
Steilacoom, WA
- Average rainfall days in July: 6.3 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall in July
Steilacoom, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Steilacoom, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.2 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
Steilacoom, WA
- Average daylight in July: 15h and 3min
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 36min).
- Average sunshine in July: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in July
Steilacoom, WA
- Average sunshine days in July: 22.5 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in July
Steilacoom, 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
Steilacoom, WA
- Average cloud cover in July: 28
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Steilacoom, WA
- Average visibility in July: 6mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
Steilacoom, Washington, USA
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