July weather forecastPlymouth, WA
July
Weather in July
July in Plymouth, Washington, is a tropical summer month, with an average temperature fluctuating between 89.1°F (31.7°C) and 62.8°F (17.1°C).Temperature
Plymouth records the warmest temperatures in July, averaging a high of 89.1°F (31.7°C) and a low of 62.8°F (17.1°C).Humidity
July and August, with an average relative humidity of 36%, are the least humid months.Rainfall
July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.16" (4mm) of precipitation.Snowfall
In Plymouth, snow does not fall in April through August and October.Daylight
The average length of the day in July is 15h and 19min.On the first day of the month, sunrise is at 5:11 am and sunset at 8:51 pm. On the last day of July, sunrise is at 5:39 am and sunset at 8:27 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 7 during July translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Plymouth, WA
- Average high temperature in July: 89.1°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in July: 62.8°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in July
Plymouth, WA
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in July
Plymouth, WA
- Average wind speed in July: 7.7mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).
Average humidity in July
Plymouth, WA
- Average humidity in July: 36%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in July
Plymouth, WA
- Average rainfall in July: 0.16"
The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Plymouth, WA
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in July
Plymouth, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in July
Plymouth, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Plymouth, WA
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in July
Plymouth, WA
- Average sunshine days in July: 25.3 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14 days).
Average UV index in July
Plymouth, WA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Plymouth, WA
- Average cloud cover in July: 9
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in July
Plymouth, WA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
