Julian weather in August: Julian, California: normal highs, lows, rain and records for August

Julian in August has a normal high of 86°F and a normal low of 62°F, a daily mean of 74°F, falling from 86°F on the 1st to 85°F by the 31st. Measurable precipitation falls on 1 days in a normal August, 0.29 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 30°C and low of 17°C, 7 mm of precipitation in August.

  • NOAA stationJulian Fire Station
  • Station IDUSC00044412
  • Location33.08°N 116.59°W
  • Elevation4,215 ft (1,285 m)
  • Population (census place)1,491
  1. Jan 53° 39°
  2. Feb 54° 39°
  3. Mar 58° 41°
  4. Apr 62° 43°
  5. May 69° 47°
  6. Jun 79° 55°
  7. Jul 86° 63°
  8. Aug 86° 62°
  9. Sep 81° 57°
  10. Oct 71° 50°
  11. Nov 60° 43°
  12. Dec 52° 38°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Julian in August?

The normal high is 86°F and the normal low 62°F, for a daily mean of 74.1°F. August is 0.1°F warmer than July and 5.0°F warmer than September. August is the warmest month of the year in Julian and the 10th wettest. Across the month the normal high falls 1°F, from 86°F on August 1 to 85°F on August 31. From one year to the next August's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 72°F and 76°F.

Julian in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 5%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 186°F63°F5%3%
August 886°F63°F5%3%
August 1586°F63°F5%3%
August 2286°F62°F5%3%
August 3185°F61°F5%3%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Julian: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 186°F63°F5%3%13 h 50 min
August 286°F63°F5%3%13 h 50 min
August 386°F63°F5%3%13 h 40 min
August 486°F63°F5%3%13 h 40 min
August 586°F63°F5%3%13 h 40 min
August 686°F63°F5%3%13 h 40 min
August 786°F63°F5%3%13 h 40 min
August 886°F63°F5%3%13 h 40 min
August 986°F63°F5%3%13 h 40 min
August 1086°F63°F5%3%13 h 30 min
August 1186°F63°F5%3%13 h 30 min
August 1286°F63°F5%3%13 h 30 min
August 1386°F63°F5%3%13 h 30 min
August 1486°F63°F5%3%13 h 30 min
August 1586°F63°F5%3%13 h 20 min
August 1686°F63°F5%3%13 h 20 min
August 1786°F63°F5%3%13 h 20 min
August 1886°F62°F5%3%13 h 20 min
August 1986°F62°F5%3%13 h 20 min
August 2086°F62°F5%3%13 h 20 min
August 2186°F62°F5%3%13 h 10 min
August 2286°F62°F5%3%13 h 10 min
August 2386°F62°F5%3%13 h 10 min
August 2486°F62°F5%3%13 h 10 min
August 2586°F62°F5%3%13 h 10 min
August 2685°F62°F5%3%13 h
August 2785°F62°F5%3%13 h
August 2885°F62°F5%3%13 h
August 2985°F61°F5%3%13 h
August 3085°F61°F5%3%13 h
August 3185°F61°F5%3%13 h
Normal high
86°FAugust average
Normal low
62°FAugust average
Precipitation
0.29 inmonth total
Days with precipitation
10.01 inch or more
Days at 90°F or more
10
Daylight
13 h 50 min to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
28
Sunshine
94%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00044412; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Julian in August?

On a given August day the chance of 0.01 inch or more is 5% on average, highest around August 1 (5%). In all, 0.29 in falls on 1 days of a normal August.

In a normal August in Julian, 10 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00044412.

What are the records for August in Julian?

The August mean against the 1991-2020 normal of 74.1°F: 2021 75.2°F (+1.1), 2022 76.3°F (+2.3), 2023 73.0°F (−1.1), 2024 74.5°F (+0.4), 2025 76.0°F (+2.0), 2026 78.8°F (+4.7). 5 of 6 ran warmer than normal.

Julian: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202175.2°F+1.1°F0.70 in
202276.3°F+2.3°F1.31 in
202373.0°F−1.1°F3.82 in
202474.5°F+0.4°F1.15 in
202576.0°F+2.0°F0.53 in
202678.8°F+4.7°F0.14 in

Source: recent months: ACIS, station USC00044412. Records and recent months use complete months only.

How does August in Julian compare across California?

Across the 219 places PlainClimate covers in California, August normal highs run from 63°F in Bodega to 109°F in Needles; Julian's is 86°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places