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2024 Compare Climate & Weather:
Ontario, CA vs Carlsbad, CA

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Highlights

On average, there are 263 sunny days per year in Carlsbad. Ontario averages 279 sunny days per year. The US average is 205 sunny days.

Carlsbad, California gets 12 inches of rain, on average, per year. Ontario, California gets 15.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Carlsbad averages 0 inches of snow per year. Ontario averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.


Weather Highlights

Carlsbad, California
Summer High:
the July high is around 73.1 degrees
Winter Low: the January low is 44.3
Rain: averages 12 inches of rain a year
Snow: averages 0 inches of snow a year

Ontario, California
Summer High:
the July high is around 91.9 degrees
Winter Low: the January low is 42.6
Rain: averages 15.7 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX
Carlsbad

The annual BestPlaces Comfort Index for Carlsbad is 9.0 (10=best), which means it is more comfortable than most places in California.

9 / 10
September, August and July are the most pleasant months in Carlsbad, while January and February are the least comfortable months.

Ontario

The annual BestPlaces Comfort Index for Ontario is 8.8 (10=best), which means it is more comfortable than most places in California.

8.8 / 10
May, June and October are the most pleasant months in Ontario, while August and July are the least comfortable months.


Today's Weather - Ontario, CA

11 PM PST

Partly Cloudy

61°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightPartly Cloudy55° / 76°W 5 mph
Wednesday NightClear54° / 81°W 5 to 15 mph
Thursday NightMostly Clear then Patchy Fog55° / 81°W 5 to 15 mph
Friday NightMostly Clear then Patchy Fog55° / 76°W 5 to 15 mph
Saturday NightSlight Chance Rain Showers53° / 67°SW 10 to 15 mph
Sunday NightPartly Cloudy50° / 72°SW 0 to 15 mph
Monday NightMostly Clear51° / 76°W 5 to 15 mph

Today's Weather - Carlsbad, CA

11 PM PST

Cloudy

58°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightCloudy55° / 66°S 5 to 10 mph
Wednesday NightMostly Cloudy55° / 68°S 5 mph
Thursday NightMostly Cloudy55° / 68°S 5 mph
Friday NightMostly Cloudy55° / 66°S 5 to 10 mph
Saturday NightMostly Cloudy then Slight Chance Rain Showers55° / 62°SW 10 to 15 mph
Sunday NightMostly Cloudy53° / 64°SW 5 to 15 mph
Monday NightMostly Cloudy53° / 66°S 0 to 10 mph

Average Monthly High / Low (°F)
MonthOntario, CACarlsbad, CA
January67° / 43°64° / 44°
February67° / 44°64° / 46°
March70° / 46°64° / 48°
April75° / 49°66° / 51°
May79° / 54°67° / 56°
June85° / 58°70° / 59°
July92° / 62°73° / 63°
August93° / 63°75° / 64°
September90° / 60°74° / 61°
October81° / 54°72° / 56°
November73° / 46°68° / 48°
December67° / 41°64° / 44°

Hot, Freezing, Rainy, Snowy Days: Ontario / Carlsbad
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 01 / 15 / 60 / 0
February0 / 00 / 06 / 70 / 0
March0 / 00 / 05 / 60 / 0
April2 / 00 / 03 / 40 / 0
May4 / 00 / 01 / 20 / 0
June8 / 00 / 01 / 10 / 0
July20 / 00 / 00 / 00 / 0
August22 / 00 / 00 / 10 / 0
September16 / 00 / 01 / 10 / 0
October6 / 00 / 02 / 20 / 0
November1 / 00 / 03 / 40 / 0
December0 / 02 / 14 / 60 / 0
August is the hottest month for Ontario with an average high temperature of 93.4°, which ranks it as warmer than most places in California. In Ontario, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ontario are May, October and April.

August is the hottest month for Carlsbad with an average high temperature of 74.5°, which ranks it as one of the coolest places in California. In Carlsbad, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carlsbad are August, September and July.


December has the coldest nighttime temperatures for Ontario with an average of 41.4°. This is warmer than most places in California.

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



In Ontario, there are 79.5 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Carlsbad, there are 1.1 days annually when the high temperature is over 90°, which is one of the coolest places in California.



In Ontario, there are 3.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Carlsbad, there are 1.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.



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



February is the wettest month in Ontario with 3.8 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 15.7 inches in Ontario means that it is drier than most places in California.


February is the wettest month in Carlsbad with 2.6 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 57% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 12.0 inches in Carlsbad means that it is drier than most places in California.


February is the rainiest month in Ontario with 5.7 days of rain, and July is the driest month with only 0.2 rainy days. There are 30.5 rainy days annually in Ontario, which is one of the least rainy places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 4% chance of a rainy day.

February is the rainiest month in Carlsbad with 6.9 days of rain, and July is the driest month with only 0.4 rainy days. There are 38.2 rainy days annually in Carlsbad, 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 Ontario, ranking it as one of the least snowy places in California.

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



Any measurable snowfall is a rare occurance in Ontario.

Any measurable snowfall is a rare occurance in Carlsbad.


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 Ontario    2 Reviews

Over 15 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

Over 15 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

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Start Your Review of Ontario

Reviews for Carlsbad    2 Reviews

Over 15 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

Over 15 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 Carlsbad

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ZIPS IN ONTARIO, CALIFORNIA
91761, 91762, 91764
ZIPS IN CARLSBAD, CALIFORNIA
92009, 92008, 92011, 92010

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