January weather forecast
Julian, CA

Weather in January

January, the same as December, is another enjoyable winter month in Julian, California, with an average temperature ranging between max 63.9°F (17.7°C) and min 45°F (7.2°C).

Temperature

In January, the average high-temperature is practically the same as in December - a still comfortable 63.9°F (17.7°C). In January, the average low-temperature is 45°F (7.2°C).

Humidity

In January, the average relative humidity is 53%.

Rainfall

In Julian, in January, during 5.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Julian, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Julian. During January, Julian regularly aggregates up to 4.02" (102mm) of snow. Throughout the year, in Julian, 22.01" (559mm) of snow is accumulated.

Daylight

In Julian, the average length of the day in January is 10h and 16min.
On the first day of the month, sunrise is at 6:49 am and sunset at 4:50 pm. On the last day of January, sunrise is at 6:42 am and sunset at 5:17 pm PST.

Sunshine

The average sunshine in January is 6.9h.

UV index

In Julian, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in January in Julian?

In January, in Julian, California, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in January in Julian?

The average relative humidity in January in Julian is 53%.

How many days does it rain in January in Julian?

In Julian, during January, the rain falls for 5.1 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How much does it snow in Julian in January?

In Julian, in January, 4.02" (102mm) of snow is typically accumulated.

How many hours of daylight does Julian have in January?

In January, the average day length in Julian is 10h and 16min.

What time are sunrise and sunset in January in Julian?

In January, on the first day of the month, sunrise is at 6:49 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 5:17 pm PST.

How long on average sun shines in January in Julian?

The average sunshine duration in January in Julian is 6.9h.

What is the UV index intensity in January in Julian?

The average daily maximum UV index in January in Julian is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Julian, CA

Average temperature in January - Julian, CA
  • Average high temperature in January: 63.9°F

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).

  • Average low temperature in January: 45°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 in January
Julian, CA

Average pressure in January - Julian, CA
  • Average pressure in January: 30.09"Hg

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 in January
Julian, CA

Average wind speed in January - Julian, CA
  • Average wind speed in January: 5.1mph

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 humidity in January
Julian, CA

Average humidity in January - Julian, CA
  • Average humidity in January: 53%

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in January
Julian, CA

Average rainfall in January - Julian, CA
  • Average rainfall in January: 0.75"

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 in January
Julian, CA

Average rainfall days in January - Julian, CA
  • Average rainfall days in January: 5.1 days

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 in January
Julian, CA

Average snowfall in January - Julian, CA
  • Average snowfall in January: 4"

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 in January /
Average sunshine in January
Julian, CA

Average daylight in January / Average sunshine in January - Julian, CA
  • Average daylight in January: 10h and 16min

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).

  • Average sunshine in January: 6h and 54min

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 in January
Julian, CA

Average sunshine days in January - Julian, CA
  • Average sunshine days in January: 24.3 days

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 in January
Julian, CA

Average UV index in January - Julian, CA
  • Average UV index in January: 4

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 cloud cover in January
Julian, CA

Average cloud cover in January - Julian, CA
  • Average cloud cover in January: 20

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in January
Julian, CA

Average visibility in January - Julian, CA
  • Average visibility in January: 6mi

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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