July weather forecast
Trentwood, WA

Share

Weather in July

July in Trentwood, Washington, is a moderately hot summer month, with an average temperature varying between 54.1°F (12.3°C) and 82.9°F (28.3°C).

Temperature

The onset of July marks an increase in the average high-temperature, moving from a pleasant 71.1°F (21.7°C) in June to a moderately hot 82.9°F (28.3°C). A stark contrast in day to night temperatures can be seen in July, with an average low-temperature of 54.1°F (12.3°C).

Heat index

In July, the heat index is estimated at 82.4°F (28°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In Trentwood, the average relative humidity in July is 46%.

Rainfall

The months with the least rainfall are July and August Rain falls for 5.1 days and accumulates 0.35" (9mm) of rain.

Snowfall

June through August are months without snowfall.

Daylight

In Trentwood, the average length of the day in July is 15h and 32min.
On the first day of July, sunrise is at 4:55 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:24 pm PDT.

Sunshine

In Trentwood, the average sunshine in July is 11.8h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is July?

Trentwood in July has an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 54.1°F (12.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 82.4°F (28°C).

What is the average humidity in July?

In July, the average relative humidity is 46%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 5.1 days and accumulates 0.35" (9mm) of rain.

How much does it rain in July?

In July, the rain falls for 5.1 days. Throughout July, 0.35" (9mm) of precipitation is accumulated.

When it does not snow?

June through August are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 15h and 32min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 4:55 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:24 pm PDT.

How long on average sun shines in July?

In July, the average sunshine duration is 11.8h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Trentwood, WA

Average temperature in July - Trentwood, WA
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).

  • Average low temperature in July: 54.1°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

Average pressure in July
Trentwood, WA

Average pressure in July - Trentwood, WA
  • Average pressure in July: 29.92"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
Trentwood, WA

Average wind speed in July - Trentwood, WA
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).

Average humidity in July
Trentwood, WA

Average humidity in July - Trentwood, WA
  • Average humidity in July: 46%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).

Average rainfall in July
Trentwood, WA

Average rainfall in July - Trentwood, WA
  • Average rainfall in July: 0.35"

The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").

Average rainfall days in July
Trentwood, WA

Average rainfall days in July - Trentwood, WA
  • Average rainfall days in July: 5.1 days

The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).

Average snowfall in July
Trentwood, WA

Average snowfall in July - Trentwood, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Trentwood, WA

Average snowfall days in July - Trentwood, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Trentwood, WA

Average daylight in July / Average sunshine in July - Trentwood, 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: 11h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

Average sunshine days in July
Trentwood, WA

Average sunshine days in July - Trentwood, WA
  • Average sunshine days in July: 24.3 days

The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).

Average UV index in July
Trentwood, WA

Average UV index in July - Trentwood, WA
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Trentwood, WA

Average cloud cover in July - Trentwood, WA
  • Average cloud cover in July: 13

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in July
Trentwood, WA

Average visibility in July - Trentwood, WA
  • Average visibility in July: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Trentwood, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location