July weather forecast
San Antonio Heights, CA

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Weather in July

July is a hot summer month in San Antonio Heights, California, with an average temperature ranging between min 64.8°F (18.2°C) and max 90°F (32.2°C).

Temperature

The onset of July introduces a subtle rise in the average high-temperature, nudging from a warm 84°F (28.9°C) in June to a hot 90°F (32.2°C). San Antonio Heights measures a considerable dip from daytime highs with an average low-temperature of 64.8°F (18.2°C) during July.

Heat index

In July, the heat index is calculated to be a hot 93.2°F (34°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In July, the average relative humidity is 45%.

Rainfall

In July, in San Antonio Heights, California, the rain falls for 2.8 days. Throughout July, 0.16" (4mm) of precipitation is accumulated. In San Antonio Heights, California, during the entire year, the rain falls for 49.6 days and collects up to 7.8" (198mm) of precipitation.

Snowfall

January, March through December are months without snowfall in San Antonio Heights.

Daylight

In July, the average length of the day is 14h and 10min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:06 pm. On the last day of July, sunrise is at 6:01 am and sunset at 7:52 pm PDT.

Sunshine

July has the most sunshine of the year in San Antonio Heights, with an average of 12.1h of sunshine.

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 7 in July suggests the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

How hot does it get in San Antonio Heights in July?

July temperatures in San Antonio Heights, California, vary between a high-temperature of 90°F (32.2°C) and a low-temperature of 64.8°F (18.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is calculated to be 93.2°F (34°C).

What is the average humidity in July in San Antonio Heights?

In July, the average relative humidity in San Antonio Heights is 45%.

How many days does it rain in July in San Antonio Heights?

In San Antonio Heights, California, during July, the rain falls for 2.8 days and regularly aggregates up to 0.16" (4mm) of precipitation.

When it does not snow in San Antonio Heights?

January, March through December are months without snowfall in San Antonio Heights, California.

How many hours of daylight does San Antonio Heights have in July?

In July, the average day length in San Antonio Heights, California, is 14h and 10min.

When are sunrise and sunset in July in San Antonio Heights?

On the first day of July, sunrise is at 5:43 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:52 pm PDT.

What month has the most sunshine in San Antonio Heights?

July has the most sunshine of the year in San Antonio Heights, California, with an average of 12.1h of sunshine.

How many hours of sunshine does San Antonio Heights have in July?

In San Antonio Heights, the average sunshine duration in July is 12.1h.

When is the highest UV index in San Antonio Heights?

The months with the highest UV index in San Antonio Heights are July and August, with an average maximum UV index of 7.

What is the UV index reading in July in San Antonio Heights?

In San Antonio Heights, California, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from 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
San Antonio Heights, CA

Average temperature in July - San Antonio Heights, CA
  • Average high temperature in July: 90°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).

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Average pressure in July
San Antonio Heights, CA

Average pressure in July - San Antonio Heights, CA
  • Average pressure in July: 29.89"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in July
San Antonio Heights, CA

Average wind speed in July - San Antonio Heights, CA
  • Average wind speed in July: 5.1mph

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in July
San Antonio Heights, CA

Average humidity in July - San Antonio Heights, CA
  • Average humidity in July: 45%

The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in July
San Antonio Heights, CA

Average rainfall in July - San Antonio Heights, CA
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
San Antonio Heights, CA

Average rainfall days in July - San Antonio Heights, CA
  • Average rainfall days in July: 2.8 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in July
San Antonio Heights, CA

Average snowfall days in July - San Antonio Heights, CA
  • Average snowfall days in July: 0 days

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

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Average daylight in July /
Average sunshine in July
San Antonio Heights, CA

Average daylight in July / Average sunshine in July - San Antonio Heights, CA
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).

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Average sunshine days in July
San Antonio Heights, CA

Average sunshine days in July - San Antonio Heights, CA
  • Average sunshine days in July: 25.4 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in July
San Antonio Heights, CA

Average UV index in July - San Antonio Heights, CA
  • Average UV index in July: 7

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in July
San Antonio Heights, CA

Average cloud cover in July - San Antonio Heights, CA
  • Average cloud cover in July: 6

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in July
San Antonio Heights, CA

Average visibility in July - San Antonio Heights, 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).

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San Antonio Heights, California, USA

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