2025 Compare Climate & Weather:
Davis, CA vs Herndon, VA

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Highlights

On average, there are 201 sunny days per year in Herndon. Davis averages 267 sunny days per year. The US average is 205 sunny days.

Herndon, Virginia gets 42.9 inches of rain, on average, per year. Davis, California gets 20.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Herndon averages 21.5 inches of snow per year. Davis averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Herndon, Virginia
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 23.5
Rain: averages 42.9 inches of rain a year
Snow: averages 21.5 inches of snow a year

Davis, California
Summer High: the July high is around 93.9 degrees
Winter Low: the January low is 38.5
Rain: averages 20.6 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

Herndon

The annual BestPlaces Comfort Index for Herndon is 7.3 (10=best), which means it is about average compared to other places in Virginia.

7.3 / 10

September, June and May are the most pleasant months in Herndon, while January and February are the least comfortable months.

Davis

The annual BestPlaces Comfort Index for Davis is 8.1 (10=best), which means it is about average compared to other places in California.

8.1 / 10

May, October and April are the most pleasant months in Davis, while January and December are the least comfortable months.

Average Monthly High / Low (°F)

Month	Davis, CA	Herndon, VA
January	54° / 39°	42° / 24°
February	60° / 41°	46° / 26°
March	66° / 44°	54° / 32°
April	73° / 47°	66° / 42°
May	81° / 52°	73° / 51°
June	89° / 57°	82° / 61°
July	94° / 59°	86° / 66°
August	93° / 58°	84° / 64°
September	89° / 56°	78° / 56°
October	79° / 50°	67° / 44°
November	64° / 43°	57° / 35°
December	54° / 38°	45° / 27°

Hot, Freezing, Rainy, Snowy Days: Davis / Herndon

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	5 / 25	12 / 10	0 / 3
February	0 / 0	2 / 22	11 / 9	0 / 3
March	0 / 0	0 / 16	9 / 10	0 / 1
April	1 / 0	0 / 4	5 / 11	0 / 0
May	6 / 1	0 / 0	3 / 12	0 / 0
June	13 / 3	0 / 0	1 / 11	0 / 0
July	23 / 7	0 / 0	0 / 11	0 / 0
August	21 / 6	0 / 0	0 / 9	0 / 0
September	14 / 2	0 / 0	1 / 9	0 / 0
October	3 / 0	0 / 3	4 / 8	0 / 0
November	0 / 0	1 / 12	8 / 9	0 / 0
December	0 / 0	6 / 23	11 / 10	0 / 2

July is the hottest month for Davis with an average high temperature of 93.9°, which ranks it as warmer than most places in California. In Davis, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Davis are October, May and April.

July is the hottest month for Herndon with an average high temperature of 85.8°, which ranks it as cooler than most places in Virginia. In Herndon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Herndon are September, June and May.

December has the coldest nighttime temperatures for Davis with an average of 38.1°. This is about average compared to other places in California.

January has the coldest nighttime temperatures for Herndon with an average of 23.5°. This is colder than most places in Virginia.

In Davis, there are 80.4 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Herndon, there are 18.9 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Davis, there are 13.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Herndon, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Davis, 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 Herndon, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

January is the wettest month in Davis with 4.1 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.6 inches in Davis means that it is about average compared to other places in California.

May is the wettest month in Herndon with 4.6 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Herndon means that it is drier than most places in Virginia.

January is the rainiest month in Davis with 12.2 days of rain, and July is the driest month with only 0.1 rainy days. There are 65.5 rainy days annually in Davis, which is rainier 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 2% chance of a rainy day.

May is the rainiest month in Herndon with 12.2 days of rain, and October is the driest month with only 8.1 rainy days. There are 119.5 rainy days annually in Herndon, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

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

An annual snowfall of 21.5 inches in Herndon means that it is one of the snowiest places in Virginia.

Any measurable snowfall is a rare occurance in Davis.

February is the snowiest month in Herndon with 7.8 inches of snow, and 5 months of the year have significant snowfall.

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 Davis 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

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Reviews for Herndon 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

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2025 Compare Climate & Weather:
Davis, CA vs Herndon, VA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Davis / Herndon

December has the coldest nighttime temperatures for Davis with an average of 38.1°. This is about average compared to other places in California.

January has the coldest nighttime temperatures for Herndon with an average of 23.5°. This is colder than most places in Virginia.

In Davis, there are 80.4 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Herndon, there are 18.9 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Davis, 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 Herndon, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

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

An annual snowfall of 21.5 inches in Herndon means that it is one of the snowiest places in Virginia.

Any measurable snowfall is a rare occurance in Davis.

February is the snowiest month in Herndon with 7.8 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Herndon 2 Reviews

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2025 Compare Climate & Weather:Davis, CA vs Herndon, VA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Davis / Herndon

December has the coldest nighttime temperatures for Davis with an average of 38.1°. This is about average compared to other places in California.January has the coldest nighttime temperatures for Herndon with an average of 23.5°. This is colder than most places in Virginia.

In Davis, there are 80.4 days annually when the high temperature is over 90°, which is hotter than most places in California.In Herndon, there are 18.9 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Davis, 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 Herndon, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

There is rarely any recorded snowfall in Davis, ranking it as one of the least snowy places in California.An annual snowfall of 21.5 inches in Herndon means that it is one of the snowiest places in Virginia.

Any measurable snowfall is a rare occurance in Davis.February is the snowiest month in Herndon with 7.8 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Davis 2 Reviews

Reviews for Herndon 2 Reviews

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Zips In Davis, California

Zips In HERNDON, VIRGINIA

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2025 Compare Climate & Weather:
Davis, CA vs Herndon, VA

December has the coldest nighttime temperatures for Davis with an average of 38.1°. This is about average compared to other places in California.

January has the coldest nighttime temperatures for Herndon with an average of 23.5°. This is colder than most places in Virginia.

In Davis, there are 80.4 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Herndon, there are 18.9 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Davis, 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 Herndon, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

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

An annual snowfall of 21.5 inches in Herndon means that it is one of the snowiest places in Virginia.

Any measurable snowfall is a rare occurance in Davis.

February is the snowiest month in Herndon with 7.8 inches of snow, and 5 months of the year have significant snowfall.