July weather forecast and climate
Whittier, CA

Weather in July

July, like June, in Whittier, California, is a moderately hot summer month, with average temperature varying between 63.9°F (17.7°C) and 84.7°F (29.3°C).

Temperature

In July, the average high-temperature slightly increases, from a warm 79.2°F (26.2°C) in June, to a still moderately hot 84.7°F (29.3°C). In Whittier, California, in July, the average low-temperature is 63.9°F (17.7°C).

Heat index

The average heat index is evaluated at a tropical 88°F (31.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', '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. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, clothing, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity is 57%.

Rainfall

In Whittier, California, in July, during 2.3 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, there are 38.2 rainfall days, and 5.28" (134mm) of precipitation is accumulated.

Daylight

In July, the average length of the day in Whittier is 14.2h.

Sunshine

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

UV index

In Whittier, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in July in Whittier?

In July, in Whittier, California, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 63.9°F (17.7°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that calculates temperature value influenced by the moisture in the air, is appraised at 88°F (31.1°C).

What is the average humidity in July in Whittier?

In Whittier, the average relative humidity in July is 57%.

How much does it rain in Whittier in July?

In Whittier, during July, the rain falls for 2.3 days and regularly aggregates up to 0.12" (3mm) of precipitation.

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

In Whittier, California, the average length of the day in July is 14.2h.

What is the month with the most sunshine in Whittier?

Months with the most sunshine in Whittier are July and August, with an average of 12h of sunshine.

How long on average sun shines in July in Whittier?

The average sunshine in July in Whittier is 12h.

What is the UV index intensity in July in Whittier?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in July
Whittier, CA

Average temperature in July - Whittier, CA
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (64.9°F).

  • Average low temperature in July: 63.9°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).

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Average pressure in July
Whittier, CA

Average pressure in July - Whittier, 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
Whittier, CA

Average wind speed in July - Whittier, CA
  • Average wind speed in July: 5.1mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average humidity in July
Whittier, CA

Average humidity in July - Whittier, CA
  • Average humidity in July: 57%

The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (47%).

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Average rainfall in July
Whittier, CA

Average rainfall in July - Whittier, CA
  • Average rainfall in July: 0.12"

The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
Whittier, CA

Average rainfall days in July - Whittier, CA
  • Average rainfall days in July: 2.3 days

The month with the highest number of rainy days is March (5.1 days).
The month with the least rainy days is June (1 days).

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

Average daylight in July / Average sunshine in July - Whittier, CA
  • Average daylight in July: 14.2h

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: 12h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days in July
Whittier, CA

Average sunshine days in July - Whittier, CA
  • Average sunshine days in July: 27.3 days

The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (22.6 days).

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Average UV index in July
Whittier, CA

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

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are February, November and December (UV index 4).

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Average cloud cover in July
Whittier, CA

Average cloud cover in July - Whittier, CA
  • Average cloud cover in July: 8

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in July
Whittier, CA

Average visibility in July - Whittier, 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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