July weather forecast
Fairfield, WA

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Weather in July

July is a warm summer month in Fairfield, Washington, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 82.9°F (28.3°C).

Temperature

Fairfield in July sees a temperature change, with average high-temperatures moving from a pleasant 71.1°F (21.7°C) in June to a moderately hot 82.9°F (28.3°C). Throughout July, Fairfield registers a distinct decrease from daytime highs, reaching an average low of 54.1°F (12.3°C).

Heat index

The heat index in July is appraised at 82.4°F (28°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In Fairfield, 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

The average length of the day in July is 15h and 29min.
On the first day of the month, sunrise is at 4:56 am and sunset at 8:48 pm. On the last day of July, sunrise is at 5:26 am and sunset at 8:23 pm PDT.

Sunshine

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

UV index

The month with the highest UV index in Fairfield is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

How hot is it in July?

The average high-temperature, in July, in Fairfield, is 82.9°F (28.3°C), while the average low-temperature is 54.1°F (12.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is appraised 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 many days does it rain in July?

In Fairfield, in July, it is raining for 5.1 days, with typically 0.35" (9mm) of accumulated precipitation.

When it does not snow?

June through August are months without snowfall.

How many hours of daylight does Fairfield have in July?

In Fairfield, the average day length in July is 15h and 29min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 4:56 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:23 pm PDT.

How many hours of sunshine does Fairfield have in July?

The average sunshine duration in July is 11.8h.

When is 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 intensity in July?

In Fairfield, the average daily maximum UV index in July is 6. A UV Index value 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
Fairfield, WA

Average temperature in July - Fairfield, 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
Fairfield, WA

Average pressure in July - Fairfield, 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
Fairfield, WA

Average wind speed in July - Fairfield, 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
Fairfield, WA

Average humidity in July - Fairfield, 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
Fairfield, WA

Average rainfall in July - Fairfield, 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
Fairfield, WA

Average rainfall days in July - Fairfield, 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
Fairfield, WA

Average snowfall in July - Fairfield, 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
Fairfield, WA

Average snowfall days in July - Fairfield, 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
Fairfield, WA

Average daylight in July / Average sunshine in July - Fairfield, 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
Fairfield, WA

Average sunshine days in July - Fairfield, 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
Fairfield, WA

Average UV index in July - Fairfield, 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
Fairfield, WA

Average cloud cover in July - Fairfield, 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
Fairfield, WA

Average visibility in July - Fairfield, 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).

Fairfield, Washington, USA

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