2025 Compare Climate & Weather:
Upland, CA vs Yakima, WA

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Highlights

On average, there are 199 sunny days per year in Yakima. Upland averages 289 sunny days per year. The US average is 205 sunny days.

Yakima, Washington gets 8.5 inches of rain, on average, per year. Upland, California gets 21 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Yakima averages 18 inches of snow per year. Upland averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Yakima, Washington
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 24.4
Rain: averages 8.5 inches of rain a year
Snow: averages 18 inches of snow a year

Upland, California
Summer High: the July high is around 92.2 degrees
Winter Low: the January low is 42.7
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

Yakima

The annual BestPlaces Comfort Index for Yakima is 7.4 (10=best), which means it is one of the most pleasant places in Washington.

7.4 / 10

June, September and August are the most pleasant months in Yakima, while December and January are the least comfortable months.

Upland

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

8.8 / 10

May, October and June are the most pleasant months in Upland, while August and July are the least comfortable months.

Average Monthly High / Low (°F)

Month	Upland, CA	Yakima, WA
January	67° / 43°	39° / 24°
February	67° / 44°	48° / 27°
March	71° / 46°	57° / 32°
April	75° / 49°	65° / 37°
May	80° / 54°	73° / 44°
June	85° / 58°	80° / 51°
July	92° / 62°	88° / 56°
August	94° / 63°	87° / 55°
September	90° / 61°	79° / 47°
October	81° / 54°	64° / 37°
November	73° / 46°	49° / 29°
December	67° / 42°	36° / 23°

Hot, Freezing, Rainy, Snowy Days: Upland / Yakima

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	1 / 27	5 / 10	0 / 4
February	0 / 0	0 / 22	6 / 7	0 / 2
March	1 / 0	0 / 16	5 / 6	0 / 0
April	2 / 0	0 / 6	3 / 6	0 / 0
May	4 / 1	0 / 1	1 / 7	0 / 0
June	9 / 2	0 / 0	1 / 5	0 / 0
July	20 / 13	0 / 0	0 / 2	0 / 0
August	22 / 11	0 / 0	0 / 3	0 / 0
September	16 / 2	0 / 0	1 / 3	0 / 0
October	6 / 0	0 / 7	2 / 6	0 / 0
November	1 / 0	0 / 19	3 / 9	0 / 1
December	0 / 0	1 / 27	4 / 11	0 / 5

August is the hottest month for Upland with an average high temperature of 93.5°, which ranks it as warmer than most places in California. In Upland, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Upland are May, April and October.

July is the hottest month for Yakima with an average high temperature of 88.1°, which ranks it as one of the hottest places in Washington. In Yakima, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Yakima are September, June and May.

December has the coldest nighttime temperatures for Upland with an average of 41.8°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Yakima with an average of 23.1°. This is colder than most places in Washington.

In Upland, there are 81.0 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Yakima, there are 28.7 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Upland, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Yakima, there are 125.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

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

February is the wettest month in Upland with 5.1 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 21.0 inches in Upland means that it is about average compared to other places in California.

December is the wettest month in Yakima with 1.4 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 38% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 8.5 inches in Yakima means that it is one of the driest places in Washington.

February is the rainiest month in Upland with 5.9 days of rain, and July is the driest month with only 0.1 rainy days. There are 32.5 rainy days annually in Upland, 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 3% chance of a rainy day.

December is the rainiest month in Yakima with 10.8 days of rain, and July is the driest month with only 2.1 rainy days. There are 73.2 rainy days annually in Yakima, which is one of the least rainy places in Washington. The rainiest season is Spring when it rains 37% of the time and the driest is Autumn with only a 13% chance of a rainy day.

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

An annual snowfall of 18.0 inches in Yakima means that it is snowier than most places in Washington.

Any measurable snowfall is a rare occurance in Upland.

December is the snowiest month in Yakima with 8.0 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 Upland 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 Yakima 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:
Upland, CA vs Yakima, WA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Upland / Yakima

December has the coldest nighttime temperatures for Upland with an average of 41.8°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Yakima with an average of 23.1°. This is colder than most places in Washington.

In Upland, there are 81.0 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Yakima, there are 28.7 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Upland, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Yakima, there are 125.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

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

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

An annual snowfall of 18.0 inches in Yakima means that it is snowier than most places in Washington.

Any measurable snowfall is a rare occurance in Upland.

December is the snowiest month in Yakima with 8.0 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Upland 2 Reviews

Reviews for Yakima 2 Reviews

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2025 Compare Climate & Weather:Upland, CA vs Yakima, WA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Upland / Yakima

December has the coldest nighttime temperatures for Upland with an average of 41.8°. This is warmer than most places in California.December has the coldest nighttime temperatures for Yakima with an average of 23.1°. This is colder than most places in Washington.

In Upland, there are 81.0 days annually when the high temperature is over 90°, which is hotter than most places in California.In Yakima, there are 28.7 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Upland, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.In Yakima, there are 125.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

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

There is rarely any recorded snowfall in Upland, ranking it as one of the least snowy places in California.An annual snowfall of 18.0 inches in Yakima means that it is snowier than most places in Washington.

Any measurable snowfall is a rare occurance in Upland.December is the snowiest month in Yakima with 8.0 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Upland 2 Reviews

Reviews for Yakima 2 Reviews

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Zips In Upland, California

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2025 Compare Climate & Weather:
Upland, CA vs Yakima, WA

December has the coldest nighttime temperatures for Upland with an average of 41.8°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Yakima with an average of 23.1°. This is colder than most places in Washington.

In Upland, there are 81.0 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Yakima, there are 28.7 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Upland, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Yakima, there are 125.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

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

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

An annual snowfall of 18.0 inches in Yakima means that it is snowier than most places in Washington.

Any measurable snowfall is a rare occurance in Upland.

December is the snowiest month in Yakima with 8.0 inches of snow, and 5 months of the year have significant snowfall.