Julian weather in January: Julian, California: normal highs, lows, rain and records for January
Julian in January has a normal high of 53°F and a normal low of 39°F, a daily mean of 46°F, rising from 52°F on the 1st to 54°F by the 31st. Measurable precipitation falls on 6 days in a normal January, 4.66 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 4°C, 118 mm of precipitation and 3 cm of snow in January.
- NOAA stationJulian Fire Station
- Station IDUSC00044412
- Location33.08°N 116.59°W
- Elevation4,215 ft (1,285 m)
- Population (census place)1,491
- Jan 53° 39°
- Feb 54° 39°
- Mar 58° 41°
- Apr 62° 43°
- May 69° 47°
- Jun 79° 55°
- Jul 86° 63°
- Aug 86° 62°
- Sep 81° 57°
- Oct 71° 50°
- Nov 60° 43°
- 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 January?
The normal high is 53°F and the normal low 39°F, for a daily mean of 45.8°F. January is 0.7°F warmer than December and 0.6°F cooler than February. January is the 11th warmest month of the year in Julian and the 2nd wettest. Across the month the normal high rises 2°F, from 52°F on January 1 to 54°F on January 31. From one year to the next January's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 42°F and 49°F.
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 21%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 52°F | 38°F | 20% | 17% |
| January 8 | 52°F | 39°F | 20% | 17% |
| January 15 | 53°F | 39°F | 19% | 16% |
| January 22 | 53°F | 39°F | 19% | 15% |
| January 31 | 54°F | 39°F | 21% | 17% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 28, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 52°F | 38°F | 20% | 17% | 10 h |
| January 2 | 52°F | 38°F | 20% | 17% | 10 h |
| January 3 | 52°F | 39°F | 20% | 17% | 10 h |
| January 4 | 52°F | 39°F | 20% | 17% | 10 h |
| January 5 | 52°F | 39°F | 20% | 17% | 10 h |
| January 6 | 52°F | 39°F | 20% | 17% | 10 h |
| January 7 | 52°F | 39°F | 20% | 17% | 10 h |
| January 8 | 52°F | 39°F | 20% | 17% | 10 h |
| January 9 | 52°F | 39°F | 20% | 17% | 10 h 10 min |
| January 10 | 53°F | 39°F | 20% | 17% | 10 h 10 min |
| January 11 | 53°F | 39°F | 20% | 16% | 10 h 10 min |
| January 12 | 53°F | 39°F | 19% | 16% | 10 h 10 min |
| January 13 | 53°F | 39°F | 19% | 16% | 10 h 10 min |
| January 14 | 53°F | 39°F | 19% | 16% | 10 h 10 min |
| January 15 | 53°F | 39°F | 19% | 16% | 10 h 10 min |
| January 16 | 53°F | 39°F | 19% | 16% | 10 h 10 min |
| January 17 | 53°F | 39°F | 19% | 16% | 10 h 10 min |
| January 18 | 53°F | 39°F | 19% | 15% | 10 h 10 min |
| January 19 | 53°F | 39°F | 19% | 15% | 10 h 20 min |
| January 20 | 53°F | 39°F | 19% | 15% | 10 h 20 min |
| January 21 | 53°F | 39°F | 19% | 15% | 10 h 20 min |
| January 22 | 53°F | 39°F | 19% | 15% | 10 h 20 min |
| January 23 | 54°F | 39°F | 19% | 15% | 10 h 20 min |
| January 24 | 54°F | 39°F | 19% | 15% | 10 h 20 min |
| January 25 | 54°F | 39°F | 20% | 16% | 10 h 20 min |
| January 26 | 54°F | 39°F | 20% | 16% | 10 h 30 min |
| January 27 | 54°F | 39°F | 20% | 16% | 10 h 30 min |
| January 28 | 54°F | 39°F | 20% | 16% | 10 h 30 min |
| January 29 | 54°F | 39°F | 20% | 16% | 10 h 30 min |
| January 30 | 54°F | 39°F | 21% | 16% | 10 h 30 min |
| January 31 | 54°F | 39°F | 21% | 17% | 10 h 30 min |
- Normal high
- 53°FJanuary average
- Normal low
- 39°FJanuary average
- Precipitation
- 4.66 inmonth total
- Days with precipitation
- 60.01 inch or more
- Snowfall
- 1.1 inmonth total
- Nights at 32°F or colder
- 7
- Daylight
- 10 h to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 1
- Sunshine
- 85%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 or snow in Julian in January?
On a given January day the chance of 0.01 inch or more is 20% on average, highest around January 31 (21%). In all, 4.66 in falls on 6 days of a normal January, 1 of them with an inch or more.
In a normal January in Julian, 7 nights fall to freezing and snowfall averages 1.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00044412.
What are the records for January in Julian?
The January mean against the 1991-2020 normal of 45.8°F: 2021 46.1°F (+0.3), 2022 48.7°F (+2.9), 2023 41.9°F (−3.9), 2024 45.1°F (−0.7), 2025 45.6°F (−0.2), 2026 50.0°F (+4.2). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.1°F | +0.3°F | 3.85 in |
| 2022 | 48.7°F | +2.9°F | 0.40 in |
| 2023 | 41.9°F | −3.9°F | 18.00 in |
| 2024 | 45.1°F | −0.7°F | 5.76 in |
| 2025 | 45.6°F | −0.2°F | 1.00 in |
| 2026 | 50.0°F | +4.2°F | 5.07 in |
Source: recent months: ACIS, station USC00044412. Records and recent months use complete months only.
How does January in Julian compare across California?
Across the 219 places PlainClimate covers in California, January normal highs run from 37°F in Tahoma to 72°F in Brawley; Julian's is 53°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.