2024 Compare Climate & Weather:
Santa Rosa, CA vs Merced, CA
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Highlights
On average, there are 262 sunny days per year in Merced. Santa Rosa averages 256 sunny days per year. The US average is 205 sunny days.
Merced, California gets 12.5 inches of rain, on average, per year. Santa Rosa, California gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.
Merced averages 0 inches of snow per year. Santa Rosa averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.
Weather Highlights
Merced, California
Summer High: the July high is around 95.1 degrees
Winter Low: the January low is 37.1
Rain: averages 12.5 inches of rain a year
Snow: averages 0 inches of snow a year
Santa Rosa, California
Summer High: the July high is around 83.8 degrees
Winter Low: the January low is 38
Rain: averages 38.2 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
MercedThe annual BestPlaces Comfort Index for Merced 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 Merced, while January and December are the least comfortable months.
Santa RosaThe annual BestPlaces Comfort Index for Santa Rosa is 8.3 (10=best), which means it is more comfortable than most places in California.
8.3 / 10
June, August and July are the most pleasant months in Santa Rosa, while December and January are the least comfortable months.
Today's Weather - Santa Rosa, CA
4 AM PST
Clear
46°F
| DAY | DESCRIPTION | HIGH / LOW | WIND |
|---|
| Overnight | Clear | 45° / 78° | NNW 5 mph |
| Wednesday Night | Clear | 51° / 78° | NW 6 to 18 mph |
| Thursday Night | Clear | 50° / 78° | NW 3 to 18 mph |
| Friday Night | Mostly Cloudy then Light Rain Likely | 52° / 60° | WSW 10 to 17 mph |
| Saturday Night | Slight Chance Light Rain then Partly Cloudy | 42° / 65° | WNW 8 to 17 mph |
| Sunday Night | Mostly Clear | 44° / 70° | WNW 6 to 16 mph |
| Monday Night | Partly Cloudy | 45° / 69° | W 8 to 15 mph |
Today's Weather - Merced, CA
4 AM PST
Clear
53°F
| DAY | DESCRIPTION | HIGH / LOW | WIND |
|---|
| Overnight | Clear | 50° / 78° | NW 10 to 15 mph |
| Wednesday Night | Clear | 51° / 82° | NW 5 to 15 mph |
| Thursday Night | Clear | 54° / 83° | NW 5 to 15 mph |
| Friday Night | Mostly Clear | 56° / 72° | NW 5 to 10 mph |
| Saturday Night | Chance Rain Showers | 46° / 67° | NW 10 to 15 mph |
| Sunday Night | Mostly Clear | 47° / 73° | NW 5 to 10 mph |
| Monday Night | Mostly Clear | 49° / 74° | NW 10 mph |
Average Monthly High / Low (°F)
| Month | Santa Rosa, CA | Merced, CA |
|---|
| January | 58° / 38° | 54° / 37° |
| February | 62° / 40° | 61° / 40° |
| March | 66° / 42° | 67° / 42° |
| April | 70° / 43° | 74° / 45° |
| May | 75° / 47° | 83° / 51° |
| June | 81° / 50° | 90° / 56° |
| July | 84° / 52° | 95° / 60° |
| August | 84° / 52° | 94° / 59° |
| September | 84° / 50° | 89° / 55° |
| October | 77° / 46° | 79° / 48° |
| November | 66° / 42° | 65° / 41° |
| December | 58° / 38° | 54° / 36° |
Hot, Freezing, Rainy, Snowy Days: Santa Rosa / Merced
| Month | Hot Days | Freezing Days | Rainy Days | Snowy Days |
|---|
| January | 0 / 0 | 7 / 7 | 13 / 10 | 0 / 0 |
| February | 0 / 0 | 3 / 3 | 12 / 9 | 0 / 0 |
| March | 0 / 0 | 1 / 1 | 11 / 8 | 0 / 0 |
| April | 0 / 1 | 0 / 0 | 7 / 5 | 0 / 0 |
| May | 2 / 6 | 0 / 0 | 4 / 2 | 0 / 0 |
| June | 5 / 15 | 0 / 0 | 1 / 1 | 0 / 0 |
| July | 7 / 25 | 0 / 0 | 0 / 0 | 0 / 0 |
| August | 7 / 23 | 0 / 0 | 0 / 0 | 0 / 0 |
| September | 7 / 15 | 0 / 0 | 2 / 1 | 0 / 0 |
| October | 3 / 3 | 0 / 0 | 4 / 3 | 0 / 0 |
| November | 0 / 0 | 3 / 3 | 10 / 6 | 0 / 0 |
| December | 0 / 0 | 8 / 9 | 12 / 9 | 0 / 0 |
August is the hottest month for Santa Rosa with an average high temperature of 84.1°, which ranks it as cooler than most places in California. In Santa Rosa, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Santa Rosa are October, May and June.
July is the hottest month for Merced with an average high temperature of 95.1°, which ranks it as warmer than most places in California. In Merced, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Merced are October, April and May.
December has the coldest nighttime temperatures for Santa Rosa with an average of 37.5°. This is about average compared to other places in California.
December has the coldest nighttime temperatures for Merced with an average of 36.1°. This is colder than most places in California.
In Santa Rosa, there are 31.5 days annually when the high temperature is over 90°, which is cooler than most places in California.
In Merced, there are 88.0 days annually when the high temperature is over 90°, which is hotter than most places in California.
In Santa Rosa, there are 22.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.
In Merced, there are 23.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.
In Santa Rosa, 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 Merced, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.
December is the wettest month in Santa Rosa with 7.4 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 38.2 inches in Santa Rosa means that it is wetter than most places in California.
January is the wettest month in Merced with 2.5 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 12.5 inches in Merced means that it is drier than most places in California.
January is the rainiest month in Santa Rosa with 12.8 days of rain, and July is the driest month with only 0.2 rainy days. There are 75.7 rainy days annually in Santa Rosa, which is rainier 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 2% chance of a rainy day.
January is the rainiest month in Merced with 9.9 days of rain, and July is the driest month with only 0.1 rainy days. There are 54.8 rainy days annually in Merced, which is about average compared to other 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.
There is rarely any recorded snowfall in Santa Rosa, ranking it as one of the least snowy places in California.
There is rarely any recorded snowfall in Merced, ranking it as one of the least snowy places in California.
Any measurable snowfall is a rare occurance in Santa Rosa.
Any measurable snowfall is a rare occurance in Merced.
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 Santa Rosa 
2 Reviews
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
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
Start Your Review of Santa Rosa
Reviews for Merced 2 Reviews
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
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
Start Your Review of Merced
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