July weather forecast and climate
Placentia, CA

Weather in July

July, like June, in Placentia, California, is a moderately hot summer month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 83.1°F (28.4°C).

Temperature

In Placentia, the average high-temperature is relatively the same as in June - a still warm 83.1°F (28.4°C). In July, the average low-temperature is 64.2°F (17.9°C).

Heat index

In July, the average heat index is calculated to be 85.8°F (29.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity in Placentia is 59%.

Rainfall

In July, in Placentia, the rain falls for 3.3 days. Throughout July, 0.2" (5mm) of precipitation is accumulated. Throughout the year, there are 53.2 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Daylight

In Placentia, the average length of the day is 14.1h.

Sunshine

July has the most sunshine of the year in Placentia, with an average of 12.1h of sunshine.

UV index

Months with the highest UV index in Placentia are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in July in Placentia?

In Placentia, California, in July, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 64.2°F (17.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 85.8°F (29.9°C).

What is the average humidity in July in Placentia?

In July, the average relative humidity in Placentia is 59%.

How much does it rain in Placentia in July?

In July, the rain falls for 3.3 days. Throughout July, 0.2" (5mm) of precipitation is accumulated.

What is the average length of the day in July in Placentia?

The average length of the day in July is 14.1h.

What month has the most sunshine in Placentia?

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

How long on average sun shines in July in Placentia?

The average sunshine in July in Placentia, California, is 12.1h.

What is the month with the highest UV index in Placentia?

Months with the highest UV index are June through September, with an average maximum UV index of 6.

What is the UV index intensity in July in Placentia?

The average daily maximum UV index in July in Placentia is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in July
Placentia, CA

Average temperature in July - Placentia, CA
  • Average high temperature in July: 83.1°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.2°F).

  • Average low temperature in July: 64.2°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in July
Placentia, CA

Average pressure in July - Placentia, CA
  • Average pressure in July: 29.91"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in July
Placentia, CA

Average wind speed in July - Placentia, CA
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in July
Placentia, CA

Average humidity in July - Placentia, CA
  • Average humidity in July: 59%

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (50%).

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Average rainfall in July
Placentia, CA

Average rainfall in July - Placentia, CA
  • Average rainfall in July: 0.2"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
Placentia, CA

Average rainfall days in July - Placentia, CA
  • Average rainfall days in July: 3.3 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.4 days).

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

Average daylight in July / Average sunshine in July - Placentia, CA
  • Average daylight in July: 14.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in July: 12.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.8).

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Average sunshine days in July
Placentia, CA

Average sunshine days in July - Placentia, CA
  • Average sunshine days in July: 25.9 days

The month with the most sunshine days is August (26.7 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index in July
Placentia, CA

Average UV index in July - Placentia, CA
  • Average UV index in July: 6

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in July
Placentia, CA

Average cloud cover in July - Placentia, CA
  • Average cloud cover in July: 7

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in July
Placentia, CA

Average visibility in July - Placentia, CA
  • Average visibility in July: 6mi

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

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