Rio Oso, CA Climate


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United States / California / Yuba City Metro Area / Sutter County / Rio Oso / Zip Codes
Rio Oso, CA enjoys a mild climate year-round. In the summer, temperatures typically range from the mid 70s to low 90s, while the winter brings cool temperatures in the high 40s and low 50s. The area also receives an average of about 20 inches of rain per year. The town is situated close enough to the coast that it gets some cooling breezes throughout the day, making it a pleasant place to be even in warmer months.

Rio Oso, California gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rio Oso averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 264 sunny days per year in Rio Oso. The US average is 205 sunny days.

Rio Oso gets some kind of precipitation, on average, 62 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 95 degrees
Winter Low: the January low is 38
Rain: averages 21 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

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

8 Summer - 7.1 Winter
May, October and April are the most pleasant months in Rio Oso, while January and December are the least comfortable months.

  ClimateRio Oso, CaliforniaUnited States
    Unlock38.1 in.
  0.0 in.  Unlock
    Unlock106.2 days
  264 days  Unlock
  95.0°85.8°
    Unlock21.7°
  8.1  Unlock
    Unlock4.3
  43 ft.  Unlock
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Rio Oso with an average high temperature of 95.0°, which ranks it as warmer than most places in California. In Rio Oso, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rio Oso are October, May and April.
In Rio Oso, there are 85.5 days annually when the high temperature is over 90°, which is hotter than most places in California.
December has the coldest nighttime temperatures for Rio Oso with an average of 37.8°. This is about average compared to other places in California.
In Rio Oso, there are 16.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.
In Rio Oso, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.
Humidity in Rio Oso is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.
January is the wettest month in Rio Oso with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 51% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 21.3 inches in Rio Oso means that it is wetter than most places in California.
January is the rainiest month in Rio Oso with 11.0 days of rain, and July is the driest month with only 0.0 rainy days. There are 61.5 rainy days annually in Rio Oso, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.
There is rarely any recorded snowfall in Rio Oso, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Rio Oso.
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