Rosemead, CA Climate


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Rosemead, CA has a warm and mild climate throughout the year with no extreme temperatures. The average temperature in the summer is around 86°F and during the winter months it averages about 60°F. There is an average of 300 days of sunshine per year and very little rain throughout the year. Generally, Rosemead enjoys hot summers and mild winters with low humidity levels. This combination makes Rosemead's climate ideal for outdoor activities like hiking, biking, swimming or picnics all year round.

Rosemead, California gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rosemead averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 285 sunny days per year in Rosemead. The US average is 205 sunny days.

Rosemead gets some kind of precipitation, on average, 31 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 86 degrees
Winter Low: the January low is 47
Rain: averages 16 inches of rain a year
Snow: averages 0 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Rosemead is 9.3 (10=best), which means it is one of the most pleasant places in California.

9.5 Summer - 8.9 Winter
June, May and October are the most pleasant months in Rosemead, while January and February are the least comfortable months.

  ClimateRosemead, CaliforniaUnited States
  16.1 in.38.1 in.
  0.0 in.27.8 in.
  31.3 days106.2 days
  285 days205 days
  85.9°85.8°
  46.8°21.7°
  9.37
  6.24.3
  318 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 Rosemead with an average high temperature of 87.3°, which ranks it as about average compared to other places in California. In Rosemead, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rosemead are May, October and June.
In Rosemead, there are 37.5 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 Rosemead with an average of 46.1°. This is one of the warmest places in California.
In Rosemead, there are 0.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.
In Rosemead, 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 Rosemead 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 Rosemead with 3.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 62% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 16.1 inches in Rosemead means that it is about average compared to other places in California.
February is the rainiest month in Rosemead with 5.8 days of rain, and July is the driest month with only 0.3 rainy days. There are 31.3 rainy days annually in Rosemead, which is one of the least rainy places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 4% chance of a rainy day.
There is rarely any recorded snowfall in Rosemead, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Rosemead.
Reviews for Rosemead
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Over 7 years ago

Not a place you would live in by choice. Another grimy, ugly suburb of Los Angeles filled with the worst drivers on earth. If you want to find non-Asian groceries,  More

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Over 17 years ago

It is sunny and warm almost all year round, and nights can get below 60s during the winter. It used to be a desert, so the climate resembles of that. Warm and sunny in  More

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I have lived in Rosemead for 20 years. It has become a refuge for Asian immigrants. It is 8 miles east of downtown Los Angeles and traffic is bad in the mornings  More

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