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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The beautiful city of Glendora, California, surrounded by the vast mountain ranges
Weather in January
January, like December, in Glendora, California, is another refreshing winter month, with an average temperature varying between 64°F (17.8°C) and 46.9°F (8.3°C). The arrival of January coincides with an average high-temperature of a still comfortable 64°F (17.8°C), indicating a minimal shift from December's 61.5°F (16.4°C). Weather in January »
Weather in February
The last month of the winter, February, is another comfortable month in Glendora, California, with an average temperature ranging between min 46°F (7.8°C) and max 63.3°F (17.4°C). The transition into February shows a subtle variation to a still enjoyable 63.3°F (17.4°C) from January's 64°F (17.8°C) in the average high-temperature. Weather in February »
Weather in March
The first month of the spring, March, is also an enjoyable month in Glendora, California, with an average temperature ranging between max 66.9°F (19.4°C) and min 47.3°F (8.5°C). As Glendora transitions into March, the average high-temperature stands at a still comfortable 66.9°F (19.4°C), offering little variation from the preceding month. Weather in March »
Weather in April
April is an agreeable spring month in Glendora, California, with an average temperature ranging between max 71.8°F (22.1°C) and min 50.5°F (10.3°C). The start of April sees the average high-temperature at a pleasant 71.8°F (22.1°C), showing little difference from March's 66.9°F (19.4°C). Weather in April »
Weather in May
May, the last month of the spring in Glendora, is a warm month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 75.2°F (24°C). Entering May, Glendora's average high-temperature reads a warm 75.2°F (24°C), indicating a close resemblance to the previous month's climate. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Glendora, California, with an average temperature fluctuating between 58.5°F (14.7°C) and 82.2°F (27.9°C). Glendora, California, observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's 75.2°F (24°C) to a still warm 82.2°F (27.9°C). Weather in June »
Weather in July
July is a hot summer month in Glendora, California, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 87.4°F (30.8°C). The advent of July reveals an average high-temperature of a hot 87.4°F (30.8°C), showing minimal difference from the prior month. Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Glendora, California, with an average temperature ranging between max 88.7°F (31.5°C) and min 65.7°F (18.7°C). August is the month when Glendora experiences its warmest temperatures, averaging a high of 88.7°F (31.5°C) and a low of 65.7°F (18.7°C). In August, the average heat index is computed to be a hot 89.6°F (32°C). Weather in August »
Weather in September
September, the first month of the autumn in Glendora, is also a hot month, with an average temperature varying between 86.2°F (30.1°C) and 63.5°F (17.5°C). In September, Glendora notes an average high-temperature of a still hot 86.2°F (30.1°C), hardly different from the preceding month. Weather in September »
Weather in October
October, like September, in Glendora, California, is another warm autumn month, with an average temperature varying between 58.3°F (14.6°C) and 77.9°F (25.5°C). As October arrives, Glendora's weather displays a minor decrease in high-temperatures, transitioning from September's tropical 86.2°F (30.1°C) to a moderately hot 77.9°F (25.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Glendora, is also an agreeable month, with an average temperature ranging between min 51.8°F (11°C) and max 69.6°F (20.9°C). November is characterized by a slight reduction in average high-temperature, easing from a warm 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 refreshing month in Glendora, California, with an average temperature varying between 45.5°F (7.5°C) and 61.5°F (16.4°C). Glendora, California, experiences its lowest temperatures in December, with an average peak of 61.5°F (16.4°C) and a low of 45.5°F (7.5°C). Weather in December »
Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Glendora?
In Glendora, during the entire year, the rain falls for 44.9 days and collects up to 7.76" (197mm) of precipitation.
When it does not snow in Glendora?
In Glendora, California, snow does not fall in January, March through December.
How many days does it snow in Glendora?
In Glendora, during the entire year, snow falls for 0.1 days.
What is the wettest month in Glendora?
The month with the most rainfall in Glendora, California, 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?
The only month with snowfall in Glendora, California, is February.
What is the snowiest month in Glendora?
The month with the most snowfall days is February, when snow falls for 0.1 days.
What is the month with the least sunshine in Glendora?
February has the least sunshine of the year, 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.
When is Daylight Saving Time (DST) in Glendora?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the driest month in Glendora?
The month with the least rainfall in Glendora, California, is June, when the rain falls for 1.1 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days in Glendora?
June has the longest days of the year in Glendora, California, with an average of 14h and 24min of daylight.
What are the months with the most sunshine in Glendora?
The months with the most sunshine in Glendora, California, are June and July, with an average of 12.1h of sunshine.
What are the months 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.
What are the warmest months in Glendora?
The month of August sees the average highest temperatures in Glendora, reaching 88.7°F (31.5°C) at the peak and 65.7°F (18.7°C) at the low.
What are the least humid months in Glendora?
The months with the lowest humidity are August and November, with an average relative humidity of 45%.
What is the coldest month in Glendora?
Temperature readings in Glendora reach their annual highs in December, averaging 61.5°F (16.4°C) and a minimum average of 45.5°F (7.5°C).
What is the month with the shortest days in Glendora?
With an average of 9h and 54min of daylight, December has the shortest days of the year in Glendora.
When is the lowest UV index in Glendora?
With an average maximum UV index of 3, December is the month with the lowest UV index.
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).
Average pressure
Glendora, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Glendora, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
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).
Average humidity
Glendora, CA
The months with the highest relative humidity are March and May (55%).
The months with the lowest relative humidity are August and November (45%).
Average rainfall
Glendora, CA
- Average rainfall in January:
1.3" - Average rainfall in February:
1.73" - Average rainfall in March:
0.83" - Average rainfall in April:
0.63" - Average rainfall in May:
0.24" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.2" - Average rainfall in November:
0.79" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Glendora, CA
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
5.3 days - Average rainfall days in May:
2.8 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
3.1 days - Average rainfall days in August:
1.6 days - Average rainfall days in September:
2.2 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
3.6 days - Average rainfall days in December:
4.7 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).
Average snowfall days
Glendora, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
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).
Average daylight / Average sunshine
Glendora, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 January:
7h and 0min - Average sunshine in February:
6h and 5min - Average sunshine in March:
9h and 0min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days
Glendora, CA
- Average sunshine days in January:
24.8 days - Average sunshine days in February:
22.6 days - Average sunshine days in March:
23.5 days - Average sunshine days in April:
24 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
28.6 days
- Average sunshine days in July:
26.3 days - Average sunshine days in August:
27.8 days - Average sunshine days in September:
26.7 days - Average sunshine days in October:
27.3 days - Average sunshine days in November:
25.8 days - Average sunshine days in December:
25.2 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).
Average UV index
Glendora, CA
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).
Average cloud cover
Glendora, CA
The 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).
Average visibility
Glendora, CA
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).
Glendora, California, USA
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