2025 Compare Climate & Weather:
Waterloo, IA vs Bellflower, CA

Highlights

On average, there are 287 sunny days per year in Bellflower. Waterloo averages 194 sunny days per year. The US average is 205 sunny days.

Bellflower, California gets 13.5 inches of rain, on average, per year. Waterloo, Iowa gets 35.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Bellflower averages 0 inches of snow per year. Waterloo averages 33.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Bellflower, California
Summer High: the July high is around 80.6 degrees
Winter Low: the January low is 46.5
Rain: averages 13.5 inches of rain a year
Snow: averages 0 inches of snow a year

Waterloo, Iowa
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 8.4
Rain: averages 35.7 inches of rain a year
Snow: averages 33.9 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Waterloo is 6.7 (10=best), which means it is less comfortable than most places in Iowa.

Today's Weather - Waterloo, IA

72°F

Today's Weather - Bellflower, CA

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Waterloo / Bellflower

July is the hottest month for Waterloo with an average high temperature of 83.4°, which ranks it as cooler than most places in Iowa. In Waterloo, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Waterloo are June, August and September.

August is the hottest month for Bellflower with an average high temperature of 82.6°, which ranks it as cooler than most places in California. In Bellflower, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bellflower are October, June and July.

January has the coldest nighttime temperatures for Waterloo with an average of 8.4°. This is colder than most places in Iowa.

December has the coldest nighttime temperatures for Bellflower with an average of 46.3°. This is one of the warmest places in California.

In Waterloo, there are 11.5 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

In Bellflower, there are 16.3 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Waterloo, there are 150.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Iowa.

In Bellflower, there are 0.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Waterloo, there are 21.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Iowa.

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

June is the wettest month in Waterloo with 5.2 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 41% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.7 inches in Waterloo means that it is about average compared to other places in Iowa.


February is the wettest month in Bellflower with 3.3 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 61% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 13.5 inches in Bellflower means that it is drier than most places in California.

May is the rainiest month in Waterloo with 11.9 days of rain, and February is the driest month with only 6.5 rainy days. There are 105.3 rainy days annually in Waterloo, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 20% chance of a rainy day.

February is the rainiest month in Bellflower with 5.9 days of rain, and August is the driest month with only 0.2 rainy days. There are 31.7 rainy days annually in Bellflower, which is less rainy than most places in California. The rainiest season is Spring when it rains 52% of the time and the driest is Autumn with only a 3% chance of a rainy day.

An annual snowfall of 33.9 inches in Waterloo means that it is snowier than most places in Iowa.

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

December is the snowiest month in Waterloo with 9.6 inches of snow, and 6 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Bellflower.