July weather forecast and climate
Glendora, CA

The beautiful city of Glendora, California, surrounded by the vast mountain ranges
The beautiful city of Glendora, California, surrounded by the vast mountain ranges

Weather in July

July in Glendora, California, is a hot summer month, with average temperature varying between 64.2°F (17.9°C) and 87.4°F (30.8°C).

Temperature

In July, the average high-temperature is almost the same as in June - a hot 87.4°F (30.8°C). In Glendora, California, in July, the average low-temperature is 64.2°F (17.9°C).

Heat index

In July, the average heat index is appraised at a hot 89.4°F (31.9°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like pregnancy, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. 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 in Glendora is 48%.

Rainfall

In July, the rain falls for 3.1 days. Throughout July, 0.16" (4mm) of precipitation is accumulated. In Glendora, during the entire year, the rain falls for 44.9 days and collects up to 7.76" (197mm) of precipitation.

Snowfall

In Glendora snow does not fall in January, March through December.

Daylight

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

Sunshine

Months with the most sunshine in Glendora, California, are June and July, 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 in Glendora. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Glendora?

In July, in Glendora, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 64.2°F (17.9°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 89.4°F (31.9°C).

What is the average humidity in July in Glendora?

The average relative humidity in July in Glendora, California, is 48%.

How many days does it rain in July in Glendora?

In July, in Glendora, the rain falls for 3.1 days. Throughout July, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Glendora?

In Glendora, California, snow does not fall in January, March through December.

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

The average length of the day in July is 14.2h.

What is the month with the most sunshine in Glendora?

June and July, with an average of 12.1h of sunshine, are months with the most sunshine in Glendora, California.

How many hours of sunshine does Glendora have in July?

The average sunshine in July is 12.1h.

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

July and August, with an average maximum UV index of 7, are months with the highest UV index in Glendora, California.

What is the UV index reading in July in Glendora?

In July, the average daily maximum UV index in Glendora, California, is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

Average temperature in July
Glendora, CA

Average temperature in July - Glendora, CA
  • Average high temperature in July: 87.4°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (61.5°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 December (45.5°F).

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Average pressure in July
Glendora, CA

Average pressure in July - Glendora, CA
  • Average pressure in July: 29.9"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in July
Glendora, CA

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

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
Glendora, CA

Average humidity in July - Glendora, CA
  • Average humidity in July: 48%

Months with the highest relative humidity are March and May (55%).
Months with the lowest relative humidity are August and November (45%).

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Average rainfall in July
Glendora, CA

Average rainfall in July - Glendora, CA
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in July
Glendora, CA

Average rainfall days in July - Glendora, CA
  • Average rainfall days in July: 3.1 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in July
Glendora, CA

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

The month with the highest number of snowfall days is February (0.1 days).
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
Glendora, CA

Average daylight in July / Average sunshine in July - Glendora, 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: 12.1h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is February (Average sunshine: 6.9h).

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Average sunshine days in July
Glendora, CA

Average sunshine days in July - Glendora, CA
  • Average sunshine days in July: 26.3 days

The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.6 days).

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Average UV index in July
Glendora, CA

Average UV index in July - Glendora, CA
  • Average UV index in July: 7

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
Glendora, CA

Average cloud cover in July - Glendora, CA
  • Average cloud cover in July: 6

Months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in July
Glendora, CA

Average visibility in July - Glendora, 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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