October weather forecast
Julian, CA

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Weather in October

In October, a visible drop in average temperatures indicates the arrival of autumn in Julian, California. The weather takes a colder turn compared to September, suggesting a full-fledged arrival of the fall season. Despite the decrease in rainfall, the city beholds clear blue skies and ample sunshine unveiling a vibrant canvas of autumn colors. The wind speed remains consistent, providing a cool and gentle breeze. The decreasing daylight hours evoke a sense of serenity and calmness throughout the city.

Temperature

In the transition to October, Julian observes a minor drop in the average high-temperature, shifting from a moderately hot 84.2°F (29°C) in September to a still warm 76.8°F (24.9°C). The mean low-temperature during October nights in Julian is a mild 56.3°F (13.5°C).

Humidity

In Julian, the average relative humidity in October is 54%.

Rainfall

In Julian, during October, the rain falls for 3.4 days and regularly aggregates up to 0.24" (6mm) of precipitation. In Julian, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

In Julian, snow does not fall in June through October.

Daylight

In Julian, the average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:41 am and sunset at 6:30 pm. On the last day of October, sunrise is at 7:04 am and sunset at 5:55 pm PDT.

Sunshine

In Julian, California, the average sunshine in October is 9.2h.

UV index

In Julian, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 5 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The high-temperature during October is 76.8°F (24.9°C) and the low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is calculated to be 86°F (30°C).

What is the average humidity in October?

The average relative humidity in October in Julian is 54%.

How many days does it rain in October?

In October, in Julian, the rain falls for 3.4 days. Throughout October, 0.24" (6mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

Does it snow in October?

In Julian, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Julian?

The average day length in October in Julian is 11h and 20min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:41 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:55 pm PDT.

How long on average sun shines in October?

The average sunshine duration in October is 9.2h.

What is the UV index reading in October?

In Julian, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Julian, CA

Average temperature in October - Julian, CA
  • Average high temperature in October: 76.8°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 October: 56.3°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).

Average pressure in October
Julian, CA

Average pressure in October - Julian, CA
  • Average pressure in October: 29.92"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).

Average wind speed in October
Julian, CA

Average wind speed in October - Julian, CA
  • Average wind speed in October: 4.5mph

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).

Average humidity in October
Julian, CA

Average humidity in October - Julian, CA
  • Average humidity in October: 54%

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

Average rainfall in October
Julian, CA

Average rainfall in October - Julian, CA
  • Average rainfall in October: 0.24"

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

Average rainfall days in October
Julian, CA

Average rainfall days in October - Julian, CA
  • Average rainfall days in October: 3.4 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).

Average snowfall in October
Julian, CA

Average snowfall in October - Julian, CA
  • Average snowfall in October: 0"

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

Average daylight in October /
Average sunshine in October
Julian, CA

Average daylight in October / Average sunshine in October - Julian, CA
  • Average daylight in October: 11h and 2min

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 0min).

  • Average sunshine in October: 9h 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).

Average sunshine days in October
Julian, CA

Average sunshine days in October - Julian, CA
  • Average sunshine days in October: 26 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).

Average UV index in October
Julian, CA

Average UV index in October - Julian, CA
  • Average UV index in October: 5

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).

Average cloud cover in October
Julian, CA

Average cloud cover in October - Julian, CA
  • Average cloud cover in October: 11

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).

Average visibility in October
Julian, CA

Average visibility in October - Julian, CA
  • Average visibility in October: 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).

Julian, California, USA

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