July weather forecast
American Canyon, CA

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Weather in July

July, the same as June, is another warm summer month in American Canyon, California, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 82.6°F (28.1°C).

Temperature

In American Canyon, the highest average temperatures are observed in July, with a high of 82.6°F (28.1°C) and a low of 55.8°F (13.2°C).

Heat index

In July, the average heat index is computed to be a tropical 86°F (30°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In American Canyon, the average relative humidity in July is 61%.

Rainfall

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

In July, the average length of the day is 14h and 31min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:36 pm. On the last day of July, sunrise is at 6:11 am and sunset at 8:19 pm PDT.

Sunshine

The months with the most sunshine are July and August, with an average of 12h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the maximum UV index of 6 suggests this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

American Canyon's warmest temperatures are experienced in July, with average high temperatures of 82.6°F (28.1°C) and lows of 55.8°F (13.2°C).

How hot is it in July?

July temperatures vary between a high-temperature of 82.6°F (28.1°C) and a low-temperature of 55.8°F (13.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in July in American Canyon?

In July, the average relative humidity is 61%.

What is the driest month?

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in July?

In American Canyon, during July, the rain falls for 1.3 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the average length of the day in July?

In July, the average day length is 14h and 31min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:50 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:19 pm PDT.

What are the months with the most sunshine?

July and August, with an average of 12h of sunshine, are months with the most sunshine in American Canyon.

How many hours of sunshine does American Canyon have in July?

In American Canyon, the average sunshine duration in July is 12h.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July in American Canyon?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
American Canyon, CA

Average temperature in July - American Canyon, CA
  • Average high temperature in July: 82.6°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (54.9°F).

  • Average low temperature in July: 55.8°F

The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).

Average pressure in July
American Canyon, CA

Average pressure in July - American Canyon, CA
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
American Canyon, CA

Average wind speed in July - American Canyon, CA
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

Average humidity in July
American Canyon, CA

Average humidity in July - American Canyon, CA
  • Average humidity in July: 61%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (58%).

Average rainfall in July
American Canyon, CA

Average rainfall in July - American Canyon, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (2.32").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in July
American Canyon, CA

Average rainfall days in July - American Canyon, CA
  • Average rainfall days in July: 1.3 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.9 days).

Average daylight in July /
Average sunshine in July
American Canyon, CA

Average daylight in July / Average sunshine in July - American Canyon, CA
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in July
American Canyon, CA

Average sunshine days in July - American Canyon, CA
  • Average sunshine days in July: 29.1 days

The months with the most sunshine days are July and August (29.1 days).
The month with the least sunshine days is March (18.3 days).

Average UV index in July
American Canyon, CA

Average UV index in July - American Canyon, CA
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in July
American Canyon, CA

Average cloud cover in July - American Canyon, CA
  • Average cloud cover in July: 7

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in July
American Canyon, CA

Average visibility in July - American Canyon, CA
  • 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).

American Canyon, California, USA

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