Monthly 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 January

January, the same as December, is another comfortable winter month in Glendora, California, with average temperature fluctuating between 64°F (17.8°C) and 46.9°F (8.3°C). In Glendora, California, the average high-temperature is relatively the same as in December - a still enjoyable 64°F (17.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Glendora, California, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 46°F (7.8°C). In February, the average high-temperature is almost the same as in January - a still comfortable 63.3°F (17.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Glendora, is also an enjoyable month, with average temperature ranging between max 66.9°F (19.4°C) and min 47.3°F (8.5°C). In Glendora, the average high-temperature is almost the same as in February - a still comfortable 66.9°F (19.4°C). Weather in March »

Weather in April

April is a pleasant spring month in Glendora, California, with average temperature fluctuating between 50.5°F (10.3°C) and 71.8°F (22.1°C). In Glendora, the average high-temperature in April is almost the same as in March - a pleasant 71.8°F (22.1°C). Weather in April »

Weather in May

May, the last month of the spring, in Glendora, is a warm month, with average temperature varying between 75.2°F (24°C) and 54.1°F (12.3°C). In May, the average high-temperature is essentially the same as in April - a warm 75.2°F (24°C). Weather in May »

Weather in June

June, the first month of the summer, in Glendora, is also a moderately hot month, with average temperature fluctuating between 58.5°F (14.7°C) and 82.2°F (27.9°C). In June, the average high-temperature marginally rises, from 75.2°F (24°C) in May, to a still moderately hot 82.2°F (27.9°C). Weather in June »

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). In July, the average high-temperature is almost the same as in June - a hot 87.4°F (30.8°C). Weather in July »

Weather in August

August, the last month of the summer, in Glendora, is another tropical month, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 65.7°F (18.7°C). August is the warmest month, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 65.7°F (18.7°C). The average heat index in August is calculated to a hot 90.5°F (32.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Glendora, California, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 86.2°F (30.1°C). In September, the average high-temperature is essentially the same as in August - a still hot 86.2°F (30.1°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Glendora, California, with average temperature fluctuating between 58.3°F (14.6°C) and 77.9°F (25.5°C). In Glendora, the average high-temperature slightly decreases, from a tropical 86.2°F (30.1°C) in September, to a moderately hot 77.9°F (25.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Glendora, California, with average temperature varying between 69.6°F (20.9°C) and 51.8°F (11°C). In Glendora, the average high-temperature slightly decreases, from a moderately hot 77.9°F (25.5°C) in October, to an agreeable 69.6°F (20.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Glendora, California, with average temperature fluctuating between 45.5°F (7.5°C) and 61.5°F (16.4°C). December is the coldest month, with an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 45.5°F (7.5°C). Weather in December »
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FAQ

How much does it rain in Glendora?

Throughout the year, there are 44.9 rainfall days, and 7.76" (197mm) of precipitation is accumulated.

How many days does it snow in Glendora?

In Glendora, during the entire year, snow falls for 0.1 days.

When it does not snow in Glendora?

January, March through December are months without snowfall in Glendora, California.

What is the wettest month in Glendora?

The month with the most rainfall is February when the rain falls for 5.1 days and typically aggregates up to 1.73" (44mm) of precipitation.

When does it snow in Glendora?

February is the only month when snow falls in Glendora.

What is the snowiest month in Glendora?

February has the most snowfall days of the year in Glendora, California. Snow falls for 0.1 days.

What is the month with the least sunshine in Glendora?

The month with the least sunshine in Glendora is February, with an average of 6.9h of sunshine.

What are the most humid months in Glendora?

March and May, with an average relative humidity of 55%, are most humid months in Glendora.

What is the driest month in Glendora?

June is the month with the least rainfall in Glendora. Rain falls for 1.1 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days in Glendora?

With an average of 14.4h of daylight, June has the longest days of the year in Glendora.

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.

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 warmest month in Glendora?

The warmest month is August, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 65.7°F (18.7°C).

What is the least humid month in Glendora?

August and November, with an average relative humidity of 45%, are the least humid months in Glendora.

What is the coldest month in Glendora?

The coldest month is December, with an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 45.5°F (7.5°C).

What is the month with the shortest days in Glendora?

With an average of 9.9h of daylight, December has the shortest days of the year in Glendora, California.

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

With an average maximum UV index of 3, December is the month with the lowest UV index in Glendora.

Average temperature
Glendora, CA

Average temperature - Glendora, CA

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).

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
Glendora, CA

Average pressure - Glendora, CA

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
Glendora, CA

Average wind speed - Glendora, CA

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
Glendora, CA

Average humidity - Glendora, CA

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
Glendora, CA

Average rainfall - Glendora, CA

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
Glendora, CA

Average rainfall days - Glendora, CA

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
Glendora, CA

Average snowfall days - Glendora, CA

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 / Average sunshine
Glendora, CA

Average daylight / Average sunshine - Glendora, CA

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

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
Glendora, CA

Average sunshine days - Glendora, CA

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 visibility
Glendora, CA

Average visibility - Glendora, CA

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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