Monthly weather forecast and climate
Cajon Junction, CA

Weather in January

January is a mild winter month in Cajon Junction, California, with average temperature fluctuating between 56.8°F (13.8°C) and 40.6°F (4.8°C). In January, the average high-temperature is almost the same as in December - a mild 56.8°F (13.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Cajon Junction, California, with average temperature varying between 57.6°F (14.2°C) and 40.6°F (4.8°C). In February, the average high-temperature is almost the same as in January - a still mild 57.6°F (14.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Cajon Junction, is a comfortable month, with average temperature ranging between max 62.6°F (17°C) and min 43.7°F (6.5°C). In Cajon Junction, the average high-temperature is relatively the same as in February - a comfortable 62.6°F (17°C). Weather in March »

Weather in April

April in Cajon Junction, California, is a pleasant spring month, with average temperature ranging between min 46.9°F (8.3°C) and max 68.5°F (20.3°C). In Cajon Junction, the average high-temperature in April slightly increases, from an enjoyable 62.6°F (17°C) in March, to an agreeable 68.5°F (20.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Cajon Junction, is a warm month, with average temperature fluctuating between 74.5°F (23.6°C) and 52°F (11.1°C). In May, the average high-temperature slightly increases, from an agreeable 68.5°F (20.3°C) in April, to a moderately hot 74.5°F (23.6°C). Weather in May »

Weather in June

June, the first month of the summer, in Cajon Junction, is also a moderately hot month, with average temperature fluctuating between 84.7°F (29.3°C) and 59.4°F (15.2°C). In June, the average high-temperature rises, from 74.5°F (23.6°C) in May, to a still moderately hot 84.7°F (29.3°C). Weather in June »

Weather in July

July is a tropical summer month in Cajon Junction, California, with average temperature fluctuating between 89.8°F (32.1°C) and 65.8°F (18.8°C). In July, the average high-temperature is relatively the same as in June - a tropical 89.8°F (32.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Cajon Junction, is another tropical month, with temperature in the range of an average high of 90.3°F (32.4°C) and an average low of 66.7°F (19.3°C). With an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 66.7°F (19.3°C), August is the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Cajon Junction, California, with average temperature ranging between max 85.1°F (29.5°C) and min 62.1°F (16.7°C). In September, the average high-temperature is practically the same as in August - a warm 85.1°F (29.5°C). Weather in September »

Weather in October

October, like September, in Cajon Junction, California, is another warm autumn month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 53.2°F (11.8°C). In Cajon Junction, the average high-temperature in October decreases, from a moderately hot 85.1°F (29.5°C) in September, to a still warm 73.4°F (23°C). Weather in October »

Weather in November

November, the last month of the autumn, in Cajon Junction, is another comfortable month, with average temperature ranging between max 63.5°F (17.5°C) and min 45.5°F (7.5°C). In Cajon Junction, the average high-temperature decreases, from a moderately hot 73.4°F (23°C) in October, to an enjoyable 63.5°F (17.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Cajon Junction, is still a cool month, with average temperature fluctuating between 39.4°F (4.1°C) and 54.5°F (12.5°C). The coldest month is December, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 39.4°F (4.1°C). Weather in December »
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FAQ

How much does it rain in Cajon Junction?

Throughout the year, there are 32.3 rainfall days, and 2.52" (64mm) of precipitation is accumulated.

When does it snow in Cajon Junction?

Months with snowfall in Cajon Junction, California, are January through April, November and December.

How many days does it snow in Cajon Junction?

Throughout the year, in Cajon Junction, there are 7.8 snowfall days, and 5.59" (142mm) of snow is accumulated.

What are the months with the lowest UV index in Cajon Junction?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

When it does not snow in Cajon Junction?

May through October are months without snowfall.

What is the driest month in Cajon Junction?

The only month without rainfall in Cajon Junction is June.

When are the longest days in Cajon Junction?

June has the longest days of the year in Cajon Junction, with an average of 14.4h of daylight.

What is the month with the most sunshine in Cajon Junction?

June and July, with an average of 12.1h of sunshine, are months with the most sunshine.

When does it rain in Cajon Junction?

Months with rainfall are January through May, July through December.

What are the months with the highest UV index in Cajon Junction?

July and August, with an average maximum UV index of 7, are months with the highest UV index in Cajon Junction, California.

What is the warmest month in Cajon Junction?

August is the warmest month, with an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 66.7°F (19.3°C).

What is the least humid month in Cajon Junction?

With an average relative humidity of 33%, August is the least humid month in Cajon Junction.

What is the coldest month in Cajon Junction?

With an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 39.4°F (4.1°C), December is the coldest month.

What is the most humid month in Cajon Junction?

The most humid month is December, with an average relative humidity of 53%.

What is the wettest month in Cajon Junction?

The month with the most rainfall is December when the rain falls for 4 days and typically aggregates up to 0.47" (12mm) of precipitation.

When does it snow the most in Cajon Junction?

The month with the most snowfall in Cajon Junction is December when snow falls for 1.5 days and typically aggregates up to 1.5" (38mm) of snow.

What is the month with the shortest days in Cajon Junction?

The month with the shortest days is December, with an average of 9.9h of daylight.

What is the month with the least sunshine in Cajon Junction?

With an average of 6.9h of sunshine, December has the least sunshine of the year in Cajon Junction.

Average temperature
Cajon Junction, CA

Average temperature - Cajon Junction, CA

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (54.5°F).

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).

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Average pressure
Cajon Junction, CA

Average pressure - Cajon Junction, CA

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed
Cajon Junction, CA

Average wind speed - Cajon Junction, CA

The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).

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Average humidity
Cajon Junction, CA

Average humidity - Cajon Junction, CA

The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is August (33%).

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Average rainfall
Cajon Junction, CA

Average rainfall - Cajon Junction, CA

The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").

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Average rainfall days
Cajon Junction, CA

Average rainfall days - Cajon Junction, CA

The month with the highest number of rainy days is March (4.9 days).
The month with the least rainy days is June (0.7 days).

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Average snowfall
Cajon Junction, CA

Average snowfall - Cajon Junction, CA

The month with the highest snowfall is December (1.5").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Cajon Junction, CA

Average snowfall days - Cajon Junction, CA

The month with the highest number of snowfall days is February (2.4 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Cajon Junction, CA

Average daylight / Average sunshine - Cajon Junction, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days
Cajon Junction, CA

Average sunshine days - Cajon Junction, CA

The month with the most sunshine days is June (29 days).
The month with the least sunshine days is February (23.6 days).

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Average UV index
Cajon Junction, CA

Average UV index - Cajon Junction, CA

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Cajon Junction, CA

Average visibility - Cajon Junction, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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