July weather forecastJohn Sam Lake, WA
July
Weather in July
July is a pleasant summer month in John Sam Lake, Washington, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 72.1°F (22.3°C).Temperature
John Sam Lake's transition into July brings a slight rise in the average high-temperature, moving from a refreshing 66.2°F (19°C) in June to a pleasant 72.1°F (22.3°C). John Sam Lake in July anticipates an average nighttime temperature of 51.4°F (10.8°C).Humidity
With an average relative humidity of 73%, July is the least humid month in John Sam Lake.Rainfall
July is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.47" (12mm) of precipitation.Snowfall
In John Sam Lake, snow does not fall in May through October.Daylight
In John Sam Lake, Washington, the average length of the day in July is 15h and 35min.On the first day of July, sunrise is at 5:13 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:45 pm PDT.
Sunshine
In John Sam Lake, the average sunshine in July is 10.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In July, the maximum UV index of 5 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
John Sam Lake, WA
- Average high temperature in July: 72.1°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in July: 51.4°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in July
John Sam Lake, WA
- Average pressure in July: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in July
John Sam Lake, WA
- Average wind speed in July: 3.6mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in July
John Sam Lake, WA
- Average humidity in July: 73%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
John Sam Lake, WA
- Average rainfall in July: 0.47"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in July
John Sam Lake, WA
- Average rainfall days in July: 7.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in July
John Sam Lake, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
John Sam Lake, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.1 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
John Sam Lake, WA
- Average daylight in July: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in July
John Sam Lake, WA
- Average sunshine days in July: 21.5 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in July
John Sam Lake, 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
John Sam Lake, 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 26).
Average visibility in July
John Sam Lake, WA
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





