American Canyon
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
American Canyon, CA

January is a moderate winter month in American Canyon, California, with average temperature varying between 56.3°F (13.5°C) and 42.3°F (5.7°C). In January, the average high-temperature is essentially the same as in December - a moderate 56.3°F (13.5°C). Weather in January »

February, the last month of the winter, in American Canyon, is also a moderate month, with average temperature varying between 42.8°F (6°C) and 59.4°F (15.2°C). In February, the average high-temperature is practically the same as in January - a still mild 59.4°F (15.2°C). Weather in February »

March, the first month of the spring, in American Canyon, is a comfortable month, with average temperature fluctuating between 61.3°F (16.3°C) and 44.1°F (6.7°C). In American Canyon, the average high-temperature is practically the same as in February - an enjoyable 61.3°F (16.3°C). Weather in March »

April, the same as March, is another enjoyable spring month in American Canyon, California, with average temperature fluctuating between 46°F (7.8°C) and 67.1°F (19.5°C). In American Canyon, California, the average high-temperature in April marginally rises, from an enjoyable 61.3°F (16.3°C) in March, to a still comfortable 67.1°F (19.5°C). Weather in April »

May, the last month of the spring, in American Canyon, is an agreeable month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 72°F (22.2°C). In May, the average high-temperature is practically the same as in April - an agreeable 72°F (22.2°C). Weather in May »

The first month of the summer, June, is a warm month in American Canyon, California, with average temperature varying between 79.7°F (26.5°C) and 54.3°F (12.4°C). In June, the average high-temperature slightly increases, from an agreeable 72°F (22.2°C) in May, to a moderately hot 79.7°F (26.5°C). Weather in June »

July, like June, in American Canyon, California, is a moderately hot summer month, with average temperature varying between 82.6°F (28.1°C) and 55.8°F (13.2°C). With an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 55.8°F (13.2°C), July is the warmest month. The average heat index is estimated at 85.5°F (29.7°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in American Canyon, California, with average temperature ranging between max 82°F (27.8°C) and min 56.5°F (13.6°C). In American Canyon, the average high-temperature is practically the same as in July - a still warm 82°F (27.8°C). Weather in August »

September, the first month of the autumn, in American Canyon, is also a moderately hot month, with average temperature varying between 56.3°F (13.5°C) and 81.7°F (27.6°C). In American Canyon, the average high-temperature is essentially the same as in August - a still warm 81.7°F (27.6°C). Weather in September »

October, the same as September, is another warm autumn month in American Canyon, California, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 53.2°F (11.8°C). In October, the average high-temperature slightly decreases, from a moderately hot 81.7°F (27.6°C) in September, to a still warm 73.6°F (23.1°C). Weather in October »

November, the last month of the autumn, in American Canyon, is also an enjoyable month, with average temperature ranging between min 46.8°F (8.2°C) and max 63.1°F (17.3°C). In November, the average high-temperature drops, from a moderately hot 73.6°F (23.1°C) in October, to an enjoyable 63.1°F (17.3°C). Weather in November »

The first month of the winter, December, is also a fresh month in American Canyon, California, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 42.3°F (5.7°C). The coldest month is December, with an average high-temperature of 54.9°F (12.7°C) and an average low-temperature of 42.3°F (5.7°C). Weather in December »

How much does it rain in American Canyon?

In American Canyon, California, during the entire year, the rain falls for 68.2 days and collects up to 11.93" (303mm) of precipitation.

When is the lowest UV index in American Canyon?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in American Canyon.

What is the rainiest month in American Canyon?

The month with the most rainfall in American Canyon is February when the rain falls for 7.3 days and typically aggregates up to 2.32" (59mm) of precipitation.

What is the most humid month in American Canyon?

The most humid month in American Canyon, California, is March, with an average relative humidity of 75%.

When are the longest days in American Canyon?

With an average of 14.8h of daylight, June has the longest days of the year in American Canyon, California.

What is the month with the highest UV index in American Canyon?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in American Canyon?

With an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 55.8°F (13.2°C), July is the warmest month in American Canyon, California.

What is the driest month in American Canyon?

Months with the least rainfall in American Canyon are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

What are the months with the most sunshine in American Canyon?

July and August, with an average of 12h of sunshine, are months with the most sunshine.

What is the least humid month in American Canyon?

The least humid month is September, with an average relative humidity of 58%.

What is the coldest month in American Canyon?

With an average high-temperature of 54.9°F (12.7°C) and an average low-temperature of 42.3°F (5.7°C), December is the coldest month in American Canyon.

What is the month with the shortest days in American Canyon?

The month with the shortest days in American Canyon, California, is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in American Canyon?

With an average of 5.7h of sunshine, December has the least sunshine of the year in American Canyon, California.
Average temperature - American Canyon, CA
Average humidity - American Canyon, CA
Average rainfall - American Canyon, CA

The wettest month (with the highest rainfall) is February (2.32").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days - American Canyon, CA
Average daylight / Average sunshine - American Canyon, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.7h).

Average UV index - American Canyon, CA