Arnold, CA Climate

Arnold, CA enjoys a temperate Mediterranean climate with mild, wet winters and hot, dry summers. Average high temperatures range from 46 degrees Fahrenheit (8 degrees Celsius) in January to 92 degrees Fahrenheit (33 degrees Celsius) in July. Average low temperatures range from 41 degrees Fahrenheit (5 degrees Celsius) in January to 58 degrees Fahrenheit (14 degrees Celsius). Rainfall is abundant during the winter months, with an average of 23 inches per year. Summers are usually dry due to the strong influence of the nearby Sierra Nevada Mountains which block moisture from entering the area. The warmest month is August with an average daytime temperature of 95°F (35°C).

Arnold, California gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Arnold averages 73 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 Arnold. The US average is 205 sunny days.

Arnold gets some kind of precipitation, on average, 77 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 85 degrees
Winter Low: the January low is 31
Rain: averages 50 inches of rain a year
Snow: averages 73 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Arnold is 7.4 (10=best), which means it is less comfortable than most places in California.

9.3 Summer - 5.6 Winter

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

Climate	Arnold, California	United States
	49.5 in.	38.1 in.
	73.0 in.	27.8 in.
	77.4 days	106.2 days
	264 days	205 days
	84.7°	85.8°
	31.3°	21.7°
	7.4	7
	5.3	4.3
	4009 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 Arnold with an average high temperature of 84.7°, which ranks it as cooler than most places in California. In Arnold, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arnold are June, September and August.

In Arnold, there are 22.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for Arnold with an average of 31.0°. This is colder than most places in California.

In Arnold, there are 81.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Arnold, 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 is very low in Arnold, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

January is the wettest month in Arnold with 8.5 inches of rain, and the driest month is August with 0.1 inches. The wettest season is Spring with 50% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 49.5 inches in Arnold means that it is one of the wettest places in California.

March is the rainiest month in Arnold with 11.6 days of rain, and July is the driest month with only 0.9 rainy days. There are 77.4 rainy days annually in Arnold, which is rainier than most places in California. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 6% chance of a rainy day.

An annual snowfall of 73.0 inches in Arnold means that it is one of the snowiest places in California. February is the snowiest month in Arnold with 16.9 inches of snow, and 7 months of the year have significant snowfall.