July weather forecast
Antioch, CA

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A high bridge passing over the famous San Joaquin River Delta in Antioch, California
A high bridge passing over the famous San Joaquin River Delta in Antioch, California

Weather in July

July is a hot summer month in Antioch, California, with an average temperature ranging between max 88.5°F (31.4°C) and min 56.5°F (13.6°C).

Temperature

In Antioch, the month of July is known for its highest average temperatures, reaching a high of 88.5°F (31.4°C) and a low of 56.5°F (13.6°C).

Heat index

Throughout July, the heat index is calculated to be a tropical 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In July, the average relative humidity in Antioch is 53%.

Rainfall

The months with the least rainfall in Antioch are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

Snowfall

In Antioch, California, snow does not fall in January through November.

Daylight

In Antioch, the average length of the day in July is 14h and 29min.
On the first day of July in Antioch, sunrise is at 5:48 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:17 pm PDT.

Sunshine

The month with the most sunshine in Antioch is July, with an average of 12.1h of sunshine.

UV index

The months with the highest UV index in Antioch are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
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. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

What is the hottest time of year in Antioch?

July tends to be the warmest month, with temperatures averaging a daily high of 88.5°F (31.4°C) and a low of 56.5°F (13.6°C).

Is it hot in Antioch during July?

July temperatures in Antioch vary between a high-temperature of 88.5°F (31.4°C) and a low-temperature of 56.5°F (13.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in July is calculated to be 93.2°F (34°C).

What is the average humidity in July in Antioch?

In July, the average relative humidity in Antioch, California, is 53%.

What is the driest month in Antioch?

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 much does it rain in Antioch in July?

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

When it does not snow in Antioch?

January through November are months without snowfall in Antioch.

How many hours of daylight does Antioch have in July?

The average day length in July is 14h and 29min.

When are sunrise and sunset in July in Antioch?

In July, on the first day of the month, sunrise is at 5:48 am and sunset at 8:33 pm. On the last day of the month, in Antioch, sunrise is at 6:10 am and sunset at 8:17 pm PDT.

What month has the most sunshine in Antioch?

The month with the most sunshine in Antioch, California, is July, with an average of 12.1h of sunshine.

How many hours of sunshine does Antioch have in July?

In July, the average sunshine duration is 12.1h.

What are the months with the highest UV index in Antioch?

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

How high is the UV index in July in Antioch?

The average daily maximum UV index in July in Antioch is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Antioch, CA

Average temperature in July - Antioch, CA
  • Average high temperature in July: 88.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in July: 56.5°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in July
Antioch, CA

Average pressure in July - Antioch, 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
Antioch, CA

Average wind speed in July - Antioch, CA
  • Average wind speed in July: 7.5mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

Average humidity in July
Antioch, CA

Average humidity in July - Antioch, CA
  • Average humidity in July: 53%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

Average rainfall in July
Antioch, CA

Average rainfall in July - Antioch, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in July
Antioch, CA

Average rainfall days in July - Antioch, CA
  • Average rainfall days in July: 1.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

Average snowfall days in July
Antioch, CA

Average snowfall days in July - Antioch, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in July /
Average sunshine in July
Antioch, CA

Average daylight in July / Average sunshine in July - Antioch, 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 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in July
Antioch, CA

Average sunshine days in July - Antioch, CA
  • Average sunshine days in July: 29.7 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

Average UV index in July
Antioch, CA

Average UV index in July - Antioch, 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
Antioch, CA

Average cloud cover in July - Antioch, CA
  • Average cloud cover in July: 5

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in July
Antioch, CA

Average visibility in July - Antioch, 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).

Antioch, California, USA

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