July weather forecastDulwich, WA

July

Weather in July

July is a moderately hot summer month in Dulwich, Washington, with an average temperature ranging between min 49.6°F (9.8°C) and max 80.6°F (27°C).

Temperature

The arrival of July brings an increase in high-temperatures, moving from a pleasant 70.2°F (21.2°C) in June to a warm 80.6°F (27°C). A stark contrast in day to night temperatures can be seen in Dulwich in July, with an average low-temperature of 49.6°F (9.8°C).

Heat index

In July, the heat index is computed to be 82.4°F (28°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In Dulwich, the average relative humidity in July is 52%.

Rainfall

In July, in Dulwich, the rain falls for 8.3 days. Throughout July, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Dulwich, there are 156.3 rainfall days, and 16.18" (411mm) of precipitation is accumulated.

Snowfall

In Dulwich, Washington, snow does not fall in May through August.

Daylight

In July, the average length of the day in Dulwich is 15h and 41min.
On the first day of the month, sunrise is at 4:54 am and sunset at 8:59 pm. On the last day of July, sunrise is at 5:26 am and sunset at 8:32 pm PDT.

Sunshine

The average sunshine in July is 11.6h.

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 health hazard from unsafe exposure to UV radiation for average individuals.
Note: In July, a regular UV index of 6 translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in July, in Dulwich, is 80.6°F (27°C) and the average low-temperature is 49.6°F (9.8°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 82.4°F (28°C).

In July, the average relative humidity in Dulwich, Washington, is 52%.

In Dulwich, Washington, in July, during 8.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

In Dulwich, Washington, snow does not fall in May through August.

The average day length in July is 15h and 41min.

In July, on the first day of the month, sunrise is at 4:54 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:32 pm PDT.

In July, the average sunshine duration in Dulwich, Washington, is 11.6h.

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

In July, the average daily maximum UV index in Dulwich, Washington, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

70.2°F

80.6°F

81.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.1mph

4mph

3.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

8.3

6.1

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.4

20.8

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Dulwich, WA

Average high temperature in July: 80.6°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).

Average low temperature in July: 49.6°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).

Average pressure in July
Dulwich, WA

Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in July
Dulwich, WA

Average wind speed in July: 3.5mph

The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).

Average humidity in July
Dulwich, WA

Average humidity in July: 52%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).

Average rainfall in July
Dulwich, WA

Average rainfall in July: 0.67"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in July
Dulwich, WA

Average rainfall days in July: 8.3 days

The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).

Average snowfall in July
Dulwich, WA

Average snowfall in July: 0"

The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in July
Dulwich, WA

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in July: 15h and 42min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

Average sunshine in July: 11h and 36min

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

Average sunshine days in July
Dulwich, WA

Average sunshine days in July: 20 days

The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).

Average UV index in July
Dulwich, 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 1).