July weather forecast
Richland, WA

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Weather in July

July stands out as the hottest month in Richland with temperatures soaring to a peak at 90.1°F (32.3°C). It marks the height of the summer season. Extended daylight hours, bright sunshine, and the lowest humidity level, create a sultry atmosphere. Despite, the lack of shade, the inhabitants find respite in the breezy evenings. The weather transitions from scorching afternoons to moderately warm evenings.

Temperature

Richland's warmest month, July, registers temperatures that range from a high of 90.1°F (32.3°C) to a low of 62.8°F (17.1°C).

Humidity

With an average relative humidity of 35%, July is the least humid month in Richland, Washington.

Rainfall

July and September are months with the least rain when the rain falls for 3.5 days and typically aggregates up to 0.2" (5mm) of rain.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in July is 15h and 22min.
On the first day of the month, sunrise is at 5:09 am and sunset at 8:52 pm. On the last day of July, in Richland, sunrise is at 5:38 am and sunset at 8:28 pm PDT.

Sunshine

With an average of 12.1h of sunshine, July has the most sunshine of the year.

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 7 translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

In Richland, Washington, the peak average temperatures are observed in July, with a high of 90.1°F (32.3°C) and a low of 62.8°F (17.1°C).

How hot is it in July?

During July, Richland experiences an average high-temperature of 90.1°F (32.3°C) and a low-temperature of 62.8°F (17.1°C).

What is the least humid month?

With an average relative humidity of 35%, July is the least humid month.

What is the average humidity in July?

In July, the average relative humidity is 35%.

What is the driest month?

The months with the least rainfall are July and September Rain falls for 3.5 days and accumulates 0.2" (5mm) of rain.

How much does it rain in July?

In Richland, in July, it is raining for 3.5 days, with typically 0.2" (5mm) of accumulated precipitation.

When it does not snow?

In Richland, snow does not fall in April through October.

How many hours of daylight does Richland have in July?

In Richland, the average day length in July is 15h and 22min.

When are sunrise and sunset in July?

On the first day of July in Richland, sunrise is at 5:09 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:28 pm PDT.

What month has the most sunshine?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Richland, Washington.

How many hours of sunshine does Richland have in July?

In July, the average sunshine duration is 12.1h.

What is the month with the highest UV index?

With an average maximum UV index of 7, July is the month with the highest UV index in Richland.

What is the UV index reading in July?

In July, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Richland, WA

Average temperature in July - Richland, WA
  • Average high temperature in July: 90.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.1°F).

  • Average low temperature in July: 62.8°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (27.5°F).

Average pressure in July
Richland, WA

Average pressure in July - Richland, WA
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in July
Richland, WA

Average wind speed in July - Richland, WA
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).

Average humidity in July
Richland, WA

Average humidity in July - Richland, WA
  • Average humidity in July: 35%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is July (35%).

Average rainfall in July
Richland, WA

Average rainfall in July - Richland, WA
  • Average rainfall in July: 0.2"

The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and September (0.2").

Average rainfall days in July
Richland, WA

Average rainfall days in July - Richland, WA
  • Average rainfall days in July: 3.5 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.5 days).

Average snowfall in July
Richland, WA

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

The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Richland, WA

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

The month with the highest number of snowfall days is December (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Richland, WA
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in July
Richland, WA

Average sunshine days in July - Richland, WA
  • Average sunshine days in July: 25.7 days

The month with the most sunshine days is July (25.7 days).
The months with the least sunshine days are February and March (15.3 days).

Average UV index in July
Richland, WA

Average UV index in July - Richland, WA
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Richland, WA

Average cloud cover in July - Richland, WA
  • Average cloud cover in July: 9

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in July
Richland, WA

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

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

Richland, Washington, USA

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