Riverdale Park, CA Climate


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Riverdale Park, CA has a Mediterranean climate characterized by hot and dry summers and mild, wet winters. Average temperatures in the summer months can reach up to 90 degrees Fahrenheit, while the winter months typically stay between 40 and 50 degrees Fahrenheit. The area also receives an average of 18 inches of rain each year, with most of it occurring during the winter season. The region is known for its sunshine as well, with an average of 288 days of sunshine annually. This makes Riverdale Park an ideal location for outdoor activities and recreation all year round.

Riverdale Park, California gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Riverdale Park averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 261 sunny days per year in Riverdale Park. The US average is 205 sunny days.

Riverdale Park gets some kind of precipitation, on average, 56 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 94 degrees
Winter Low: the January low is 39
Rain: averages 13 inches of rain a year
Snow: averages 0 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Riverdale Park is 8.3 (10=best), which means it is more comfortable than most places in California.

8.2 Summer - 7.4 Winter
October, May and April are the most pleasant months in Riverdale Park, while January and December are the least comfortable months.

  ClimateRiverdale Park, CaliforniaUnited States
  12.9 in.38.1 in.
  0.0 in.27.8 in.
  55.9 days106.2 days
  261 days205 days
  94.0°85.8°
  39.0°21.7°
  8.37
  5.14.3
  69 ft.2443 ft.
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 Riverdale Park with an average high temperature of 94.0°, which ranks it as warmer than most places in California. In Riverdale Park, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Riverdale Park are October, May and April.
In Riverdale Park, there are 78.7 days annually when the high temperature is over 90°, which is hotter than most places in California.
December has the coldest nighttime temperatures for Riverdale Park with an average of 38.6°. This is about average compared to other places in California.
In Riverdale Park, there are 11.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.
In Riverdale Park, 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 Riverdale Park 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 August, July and September.
January is the wettest month in Riverdale Park with 2.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 12.9 inches in Riverdale Park means that it is drier than most places in California.
January is the rainiest month in Riverdale Park with 9.7 days of rain, and July is the driest month with only 0.1 rainy days. There are 55.9 rainy days annually in Riverdale Park, which is about average compared to other places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 2% chance of a rainy day.
There is rarely any recorded snowfall in Riverdale Park, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Riverdale Park.
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