Climate and monthly weather forecast
Julian, CA

Weather in January

January, the same as December, is another comfortable winter month in Julian, California, with an average temperature varying between 63.9°F (17.7°C) and 45°F (7.2°C). In Julian, the average high-temperature in January is relatively the same as in December - a still enjoyable 63.9°F (17.7°C). Weather in January »

Weather in February

February, the last month of the winter in Julian, is another comfortable month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 63.3°F (17.4°C). In February, the average high-temperature is essentially the same as in January - a still comfortable 63.3°F (17.4°C). Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Julian, California, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 66.7°F (19.3°C). In Julian, the average high-temperature in March is relatively the same as in February - a still comfortable 66.7°F (19.3°C). Weather in March »

Weather in April

April is an agreeable spring month in Julian, California, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 70.7°F (21.5°C). In Julian, California, the average high-temperature in April is almost the same as in March - an agreeable 70.7°F (21.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Julian, California, with an average temperature ranging between min 51.3°F (10.7°C) and max 73.6°F (23.1°C). In Julian, the average high-temperature in May is relatively the same as in April - a warm 73.6°F (23.1°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Julian, California, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 81.3°F (27.4°C). In Julian, California, the average high-temperature in June slightly increases from 73.6°F (23.1°C) in May to a still warm 81.3°F (27.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Julian, California, with an average temperature varying between 62.8°F (17.1°C) and 85.8°F (29.9°C). In July, the average high-temperature is essentially the same as in June - a still warm 85.8°F (29.9°C). Weather in July »

Weather in August

The last month of the summer, August, is a hot month in Julian, California, with an average temperature varying between 64.9°F (18.3°C) and 87.3°F (30.7°C). The warmest month is August, with an average high-temperature of 87.3°F (30.7°C) and an average low-temperature of 64.9°F (18.3°C). The average heat index in August is calculated to be a tropical 91.4°F (33°C). Weather in August »

Weather in September

September, the first month of the autumn in Julian, is also a moderately hot month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 84.2°F (29°C). In September, the average high-temperature is almost the same as in August - a moderately hot 84.2°F (29°C). Weather in September »

Weather in October

October, like September, in Julian, California, is another warm autumn month, with an average temperature fluctuating between 76.8°F (24.9°C) and 56.3°F (13.5°C). In October, the average high-temperature slightly decreases from a warm 84.2°F (29°C) in September to a still moderately hot 76.8°F (24.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Julian, California, with an average temperature varying between 50.2°F (10.1°C) and 69.1°F (20.6°C). In November, the average high-temperature marginally drops from a warm 76.8°F (24.9°C) in October to a pleasant 69.1°F (20.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Julian, California, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 44.6°F (7°C). With an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 44.6°F (7°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Julian?

In Julian, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.

When does it snow in Julian?

Months with snowfall in Julian, California, are January through May, November and December.

How much does it snow in Julian?

Throughout the year, in Julian, California, 22.01" (559mm) of snow is accumulated.

What is the rainiest month in Julian?

February is the month with the most rainfall. Rain falls for 6.4 days and accumulates 0.94" (24mm) of precipitation.

When does it snow the most in Julian?

March is the month with the most snowfall, with 6.69" (170mm) of accumulated snow.

When is Daylight Saving Time (DST) in Julian?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

What is the most humid month in Julian?

With an average relative humidity of 62%, May is the most humid month in Julian.

What is the driest month in Julian?

June is the month with the least rainfall in Julian, California. Rain falls for 1.5 days and accumulates 0.08" (2mm) of precipitation.

When it does not snow in Julian?

June through October are months without snowfall in Julian.

When are the longest days in Julian?

With an average of 14h and 18min of daylight, June has the longest days of the year in Julian.

What is the month with the most sunshine in Julian?

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

What is the month with the highest UV index in Julian?

The months with the highest UV index in Julian are June through September, with an average maximum UV index of 6.

What is the warmest month in Julian?

August is the warmest month in Julian, with an average high-temperature of 87.3°F (30.7°C) and an average low-temperature of 64.9°F (18.3°C).

What is the least humid month in Julian?

November is the least humid month in Julian, with an average relative humidity of 51%.

What are the months with the lowest UV index in Julian?

November and December, with an average maximum UV index of 3, are months with the lowest UV index in Julian, California.

What is the coldest month in Julian?

The coldest month is December, with an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 44.6°F (7°C).

What is the month with the shortest days in Julian?

December has the shortest days of the year in Julian, California, with an average of 10h and 1min of daylight.

What is the month with the least sunshine in Julian?

December has the least sunshine of the year in Julian, California, with an average of 6.7h of sunshine.

Average temperature
Julian, CA

Average temperature - Julian, CA

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).

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Average pressure
Julian, CA

Average pressure - Julian, CA

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Julian, CA

Average wind speed - Julian, CA

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average rainfall
Julian, CA

Average rainfall - Julian, CA

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days
Julian, CA

Average rainfall days - Julian, CA

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

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Average snowfall
Julian, CA

Average snowfall - Julian, CA

The month with the highest snowfall is March (6.7").
The months with the least snowfall are June, July, August, September and October (0").

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Average daylight / Average sunshine
Julian, CA

Average daylight / Average sunshine - Julian, CA

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 1min).

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days
Julian, CA

Average sunshine days - Julian, CA

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index
Julian, CA

Average UV index - Julian, CA

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).

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Average visibility
Julian, CA

Average visibility - Julian, CA

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

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