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Best time to visit Julian, CA, USA

Our verdict

The best time to visit Julian is March

If you’re looking to travel to Julian for your next trip but aren’t sure when to go and when to avoid, this article is all you’ll need. The best time to visit Julian is March due to the excellent all-round weather conditions, and it’s also not during the height of peak travel periods, so it’s not likely to be as busy.

In summer, the average maximum temperature is around 29℃ (85℉), but temperatures can sometimes reach as high as 34℃ (93℉) on the hottest days of the year. In the winter months, it can get down to as low as 14℃ (56℉) at night.

If you’re keen to see the sights of Julian during the day, the sun stays up the longest around April. The wet season in Julian falls around May, so if you prefer the dryer weather, you should look to visit in February instead.

For more information about when to travel to Julian, the monthly weather breakdown and the best information and tools to book your trip, continue reading below.

Warmest month

April

Least rainfall

February

Most daylight

April

Julian seasons

Before you continue, it’s important to know when the seasons are in Julian as they might be different to yours depending on where in the world you’re travelling from. Julian is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Julian

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Julian for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Julian climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Julian for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Julian in January

  • Average temperature: 18℃ (65℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 15℃ (59℉)
  • Average humidity: 88%
  • Average sunny days: 4 days
  • Average rainfall: 65mm (3") over 23 days
4 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to Julian in January, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in February

  • Average temperature: 19℃ (67℉)
  • Average high temperature: 25℃ (77℉)
  • Average low temperature: 15℃ (59℉)
  • Average humidity: 84%
  • Average sunny days: 6 days
  • Average rainfall: 48mm (2") over 19 days
6 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Julian in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in March

  • Average temperature: 21℃ (69℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 16℃ (60℉)
  • Average humidity: 79%
  • Average sunny days: 8 days
  • Average rainfall: 50mm (2") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Julian in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in April

  • Average temperature: 23℃ (74℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 74%
  • Average sunny days: 6 days
  • Average rainfall: 90mm (4") over 22 days
6 days
of pure sunshine
22 days
of showers or rain

What to pack: If you’re heading to Julian in April, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in May

  • Average temperature: 23℃ (73℉)
  • Average high temperature: 28℃ (82℉)
  • Average low temperature: 19℃ (66℉)
  • Average humidity: 81%
  • Average sunny days: 1 days
  • Average rainfall: 248mm (10") over 29 days
1 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Julian in May, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in June

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 19℃ (66℉)
  • Average humidity: 86%
  • Average sunny days: 0 days
  • Average rainfall: 239mm (9") over 29 days
0 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Julian in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in July

  • Average temperature: 22℃ (71℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 87%
  • Average sunny days: 1 days
  • Average rainfall: 161mm (6") over 29 days
1 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Julian in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in August

  • Average temperature: 22℃ (71℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 87%
  • Average sunny days: 1 days
  • Average rainfall: 176mm (7") over 30 days
1 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Julian in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in September

  • Average temperature: 22℃ (71℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 18℃ (65℉)
  • Average humidity: 88%
  • Average sunny days: 0 days
  • Average rainfall: 230mm (9") over 29 days
0 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Julian in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.

Julian in October

  • Average temperature: 21℃ (69℉)
  • Average high temperature: 25℃ (77℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 90%
  • Average sunny days: 1 days
  • Average rainfall: 202mm (8") over 30 days
1 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Julian in October, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in November

  • Average temperature: 19℃ (67℉)
  • Average high temperature: 23℃ (74℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 90%
  • Average sunny days: 2 days
  • Average rainfall: 91mm (4") over 26 days
2 days
of pure sunshine
26 days
of showers or rain

What to pack: If you’re heading to Julian in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Julian in December

  • Average temperature: 19℃ (66℉)
  • Average high temperature: 23℃ (74℉)
  • Average low temperature: 15℃ (60℉)
  • Average humidity: 89%
  • Average sunny days: 4 days
  • Average rainfall: 56mm (2") over 23 days
4 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to Julian in December, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Top FAQs

The hottest month of the year in Julian is usually April, where temperatures tend to rise to around 29℃ (85℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Julian is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in Julian is generally around May, although the wetter season can sometimes extend a few months either side of May too.
If you want to get the most out of your time visiting Julian, or if you're just afraid of the dark, the days in April are usually the longest between sunrise and sunset.

Julian map