Zip 91740 (Glendora, CA) Climate

The climate in 91740 Glendora, CA is generally mild throughout the year. Summers are warm and dry with temperatures ranging from the mid to upper 80's while winters are cool and rainy with temperatures hovering around the mid 50's. The area receives an average of 17 inches of rainfall annually and has an average of 284 sunny days throughout the year. Glendora experiences moderate humidity levels, averaging around 60%.

Glendora (zip 91740), California gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Glendora (zip 91740) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 283 sunny days per year in Glendora (zip 91740). The US average is 205 sunny days.

Glendora (zip 91740) gets some kind of precipitation, on average, 39 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 45
Rain: averages 22 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 91740 zip code is 8.9 (10=best), which means it is more comfortable than most places in California.

8.8 Summer - 8.6 Winter

May, June and October are the most pleasant months in the 91740 zip code, while August and January are the least comfortable months.

Climate	Glendora, California	United States
	21.7 in.	38.1 in.
	0.0 in.	27.8 in.
	38.8 days	106.2 days
	283 days	205 days
	90.5°	85.8°
	44.8°	21.7°
	8.9	7
	6.2	4.3
	805 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for the 91740 zip code with an average high temperature of 92.0°, which ranks it as about average compared to other places in California. In the 91740 zip code, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 91740 zip code are May, April and October.

In the 91740 zip code, there are 69.7 days annually when the high temperature is over 90°, which is about average compared to other places in California.

December has the coldest nighttime temperatures for the 91740 zip code with an average of 43.9°. This is warmer than most places in California.

In the 91740 zip code, there are 1.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In the 91740 zip code, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

Humidity in the 91740 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

February is the wettest month in the 91740 zip code with 5.3 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 21.7 inches in the 91740 zip code means that it is wetter than most places in California.

February is the rainiest month in the 91740 zip code with 6.6 days of rain, and July is the driest month with only 0.4 rainy days. There are 38.8 rainy days annually in the 91740 zip code, which is less rainy than most places in California. The rainiest season is Spring when it rains 46% of the time and the driest is Autumn with only a 5% chance of a rainy day.

There is rarely any recorded snowfall in the 91740 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 91740 zip code.

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