July weather forecast
South Colby, WA

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Weather in July

July is a moderately hot summer month in South Colby, Washington, with an average temperature fluctuating between 77°F (25°C) and 52.7°F (11.5°C).

Temperature

July's onset is marked by a subtle temperature increase, moving from a pleasant 69.4°F (20.8°C) in June to a moderately hot 77°F (25°C). South Colby observes a substantial disparity between daytime high and the average low-temperature of 52.7°F (11.5°C) during July nights.

Humidity

With an average relative humidity of 69%, July is the least humid month.

Rainfall

The month with the least rainfall is July, when the rain falls for 6.2 days and typically collects 0.28" (7mm) of precipitation.

Snowfall

In South Colby, snow does not fall in April through October.

Daylight

The average length of the day in July is 15h and 31min.
On the first day of the month, sunrise is at 5:17 am and sunset at 9:11 pm. On the last day of July, sunrise is at 5:47 am and sunset at 8:45 pm PDT.

Sunshine

The average sunshine in July is 10.5h.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in July?

In July, the average high-temperature and low-temperature are 77°F (25°C) and 52.7°F (11.5°C) respectively.

What is the least humid month?

With an average relative humidity of 69%, July is the least humid month.

What is the average humidity in July?

In South Colby, the average relative humidity in July is 69%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 6.2 days and typically collects 0.28" (7mm) of precipitation.

How much does it rain in July?

In July, the rain falls for 6.2 days. Throughout July, 0.28" (7mm) of precipitation is accumulated.

When it does not snow?

In South Colby, snow does not fall in April through October.

How many hours of daylight does South Colby have in July?

In South Colby, the average day length in July is 15h and 31min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:17 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:45 pm PDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.5h.

What is the month with the highest UV index?

With an average maximum UV index of 6, July is the month with the highest UV index.

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
South Colby, WA

Average temperature in July - South Colby, WA
  • Average high temperature in July: 77°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in July: 52.7°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

Average pressure in July
South Colby, WA

Average pressure in July - South Colby, WA
  • Average pressure in July: 30.05"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
South Colby, WA

Average wind speed in July - South Colby, WA
  • Average wind speed in July: 3.5mph

The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

Average humidity in July
South Colby, WA

Average humidity in July - South Colby, WA
  • Average humidity in July: 69%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).

Average rainfall in July
South Colby, WA

Average rainfall in July - South Colby, WA
  • Average rainfall in July: 0.28"

The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in July
South Colby, WA

Average rainfall days in July - South Colby, WA
  • Average rainfall days in July: 6.2 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).

Average snowfall in July
South Colby, WA

Average snowfall in July - South Colby, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
South Colby, WA

Average snowfall days in July - South Colby, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.8 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
South Colby, WA

Average daylight in July / Average sunshine in July - South Colby, 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 30min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in July
South Colby, WA

Average sunshine days in July - South Colby, WA
  • Average sunshine days in July: 22.4 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in July
South Colby, WA

Average UV index in July - South Colby, 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
South Colby, WA

Average cloud cover in July - South Colby, WA
  • Average cloud cover in July: 27

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in July
South Colby, WA

Average visibility in July - South Colby, WA
  • Average visibility in July: 6mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).

South Colby, Washington, USA

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