The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Discovery Bay, CA vs San Dimas, CA

2025 Compare Climate & Weather:
Discovery Bay, CA vs San Dimas, CA

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Highlights

On average, there are 277 sunny days per year in San Dimas. Discovery Bay averages 259 sunny days per year. The US average is 205 sunny days.

San Dimas, California gets 19.4 inches of rain, on average, per year. Discovery Bay, California gets 14.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Dimas averages 0 inches of snow per year. Discovery Bay averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Dimas, California
Summer High: the July high is around 90.7 degrees
Winter Low: the January low is 44.7
Rain: averages 19.4 inches of rain a year
Snow: averages 0 inches of snow a year

Discovery Bay, California
Summer High: the July high is around 92.5 degrees
Winter Low: the January low is 38.7
Rain: averages 14.5 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
San Dimas

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

8.9 / 10
May, June and October are the most pleasant months in San Dimas, while August and January are the least comfortable months.

Discovery Bay

The annual BestPlaces Comfort Index for Discovery Bay is 8.4 (10=best), which means it is more comfortable than most places in California.

8.4 / 10
May, October and June are the most pleasant months in Discovery Bay, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthDiscovery Bay, CASan Dimas, CA
January55° / 39°67° / 45°
February61° / 42°68° / 46°
March67° / 45°71° / 48°
April73° / 48°75° / 51°
May80° / 54°79° / 55°
June87° / 58°84° / 59°
July93° / 60°91° / 63°
August92° / 60°92° / 64°
September88° / 58°89° / 62°
October78° / 52°81° / 56°
November65° / 44°74° / 48°
December55° / 39°67° / 44°
Hot, Freezing, Rainy, Snowy Days: Discovery Bay / San Dimas
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 05 / 011 / 60 / 0
February0 / 01 / 09 / 60 / 0
March0 / 10 / 09 / 50 / 0
April1 / 20 / 04 / 30 / 0
May5 / 30 / 03 / 10 / 0
June11 / 70 / 01 / 10 / 0
July20 / 170 / 00 / 00 / 0
August18 / 200 / 00 / 00 / 0
September12 / 140 / 01 / 10 / 0
October2 / 60 / 03 / 20 / 0
November0 / 11 / 07 / 30 / 0
December0 / 05 / 19 / 40 / 0
July is the hottest month for Discovery Bay with an average high temperature of 92.5°, which ranks it as about average compared to other places in California. In Discovery Bay, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Discovery Bay are October, May and April.

August is the hottest month for San Dimas with an average high temperature of 92.2°, which ranks it as about average compared to other places in California. In San Dimas, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Dimas are May, April and October.
January has the coldest nighttime temperatures for Discovery Bay with an average of 38.7°. This is warmer than most places in California.

December has the coldest nighttime temperatures for San Dimas with an average of 43.8°. This is warmer than most places in California.

In Discovery Bay, there are 69.1 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In San Dimas, there are 70.0 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Discovery Bay, there are 12.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In San Dimas, there are 1.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

January is the wettest month in Discovery Bay with 2.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 54% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 14.5 inches in Discovery Bay means that it is drier than most places in California.


February is the wettest month in San Dimas with 4.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 19.4 inches in San Dimas means that it is about average compared to other places in California.

January is the rainiest month in Discovery Bay with 11.0 days of rain, and July is the driest month with only 0.1 rainy days. There are 56.1 rainy days annually in Discovery Bay, which is about average compared to other places in California. The rainiest season is Spring when it rains 53% of the time and the driest is Autumn with only a 2% chance of a rainy day.

February is the rainiest month in San Dimas with 5.9 days of rain, and July is the driest month with only 0.2 rainy days. There are 32.4 rainy days annually in San Dimas, which is less rainy than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 4% chance of a rainy day.

There is rarely any recorded snowfall in Discovery Bay, ranking it as one of the least snowy places in California.

There is rarely any recorded snowfall in San Dimas, ranking it as one of the least snowy places in California.
Any measurable snowfall is a rare occurance in Discovery Bay.

Any measurable snowfall is a rare occurance in San Dimas.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Discovery Bay    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Discovery Bay

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Reviews for San Dimas    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of San Dimas

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