July weather forecast
John Sam Lake, WA

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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.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in July?

John Sam Lake in July has an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 51.4°F (10.8°C).

What is the least humid month?

The least humid month is July, with an average relative humidity of 73%.

What is the average humidity in July?

The average relative humidity in July is 73%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.47" (12mm) of precipitation.

How much does it rain in July?

In John Sam Lake, in July, it is raining for 7.3 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in John Sam Lake?

In John Sam Lake, snow does not fall in May through October.

How many hours of daylight does John Sam Lake have in July?

In July, the average day length in John Sam Lake is 15h and 35min.

When is the sunrise / sunset in July?

In July, on the first day of the month, 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.

How long on average sun shines in July?

The average sunshine duration in July is 10.5h.

What are the months with the highest UV index?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in July?

In John Sam Lake, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
John Sam Lake, WA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in July - John Sam Lake, WA
  • Average daylight in July: 15h and 4min

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 3min

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 - 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 - 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 - 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 - 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).

John Sam Lake, Washington, USA

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