Monthly weather forecast and climate
Arnold, CA

With an average high-temperature of 44.6°F (7°C) and an average low-temperature of 28.4°F (-2°C), January is the coldest month in Arnold. January is the month with the most rainfall in Arnold, with 10.4" (264mm) of accumulated precipitation.
Weather in January »
In February, the average high-temperature is 46.4°F (8°C), and the average low-temperature is 28.4°F (-2°C). In Arnold, in February, 9.4" (239mm) of precipitation is typically accumulated.
Weather in February »
In Arnold, the average high-temperature is 50°F (10°C), and the average low-temperature is 30.2°F (-1°C). Throughout March, 8.1" (206mm) of precipitation is accumulated.
Weather in March »
In April, the average high-temperature is 55.4°F (13°C), and the average low-temperature is 33.8°F (1°C). Throughout April, 4.6" (117mm) of precipitation is accumulated.
Weather in April »
The average high-temperature, in May, is 64.4°F (18°C), while the average low-temperature is 39.2°F (4°C). During May, Arnold regularly aggregates up to 2.2" (56mm) of precipitation.
Weather in May »
In Arnold, California, in June, the average high-temperature is 75.2°F (24°C), and the average low-temperature is 46.4°F (8°C). In Arnold, 0.6" (15mm) of precipitation is typically accumulated.
Weather in June »
Warmest months in Arnold are July and August, with an average high-temperature of 82.4°F (28°C). The month with the least rainfall is July when 0.1" (3mm) of precipitation is typically aggregated.
Weather in July »
July and August, with an average high-temperature of 82.4°F (28°C), are warmest months. In Arnold, in August, 0.2" (5mm) of precipitation is typically accumulated.
Weather in August »
The average high-temperature, in September, is 75.2°F (24°C), while the average low-temperature is 46.4°F (8°C). In Arnold, California, in September, 0.7" (18mm) of precipitation is typically accumulated.
Weather in September »
In October, the average high-temperature is 64.4°F (18°C), and the average low-temperature is 39.2°F (4°C). In Arnold, California, 2.9" (74mm) of precipitation is typically accumulated.
Weather in October »
The average high-temperature, is 53.6°F (12°C), while the average low-temperature is 33.8°F (1°C). During November, Arnold regularly aggregates up to 5.8" (147mm) of precipitation.
Weather in November »
The average high-temperature, is 46.4°F (8°C), while the average low-temperature is 28.4°F (-2°C). In Arnold, in December, 9.4" (239mm) of precipitation is typically accumulated.
Weather in December »

What is the coldest month in Arnold?

January is the coldest month, with an average high-temperature of 44.6°F (7°C) and an average low-temperature of 28.4°F (-2°C).

How much does it rain in Arnold?

During the entire year, Arnold aggregates up to 54.4" (1383mm) of precipitation.

What is the wettest month in Arnold?

The month with the most rainfall in Arnold is January when 10.4" (264mm) of precipitation is typically aggregated.

When are the longest days in Arnold?

June has the longest days of the year in Arnold, with an average of 14.8h of daylight.

What is the warmest month in Arnold?

July and August, with an average high-temperature of 82.4°F (28°C), are warmest months.

What is the driest month in Arnold?

July is the month with the least rainfall, with 0.1" (3mm) of accumulated precipitation.

What is the month with the shortest days in Arnold?

With an average of 9.5h of daylight, December has the shortest days of the year in Arnold.
Average temperature - Arnold, CA

Warmest months (with the highest average high temperature) are July and August (82.4°F).
The month with the lowest average high temperature is January (44.6°F).

Months with the highest average low temperature are July and August (51.8°F).
Coldest months (with the lowest average low temperature) are January, February and December (28.4°F).

Average rainfall - Arnold, CA
Average daylight - Arnold, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).

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