Climateby Month

Temecula, CA weather in January

NOAA 1991-2020 normals and daily records · Temecula all year

Expect mild, mostly dry weather in Temecula in January, with highs near 66°F and lows near 42°F. Rain falls on about 6 days. It is one of the coolest months in Temecula. Good for outdoor plans.

Normal high
66°F
Normal low
42°F
Wet days
6
3.0 in total
Muggy days
0
dew point 65°F+

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high65°F66°F
Normal low41°F42°F
Chance of a wet day19%18%
Sunrise / sunset6:52 am / 4:51 pm6:45 am / 5:18 pm
Daylight10.0 h10.6 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical January day

  1. 6 am43°Fdew point 34°F
  2. 9 am51°Fdew point 36°F
  3. Noon63°Fdew point 34°F
  4. 3 pm65°Fdew point 33°F
  5. 6 pm56°Fdew point 36°F
  6. 9 pm50°Fdew point 36°F

NOAA hourly normals (local standard time) from March AFB (29 mi away); average wind 5 mph; clear or few clouds in 58% of daytime hours, mostly cloudy or overcast in 35%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F18 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow6 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below3 of 31

Average days per January, counted from daily records for each year 1991-2020.

Rain in January

Normal precipitation is 3.0 in; a dry January brings about 0.5 in and a wet one about 2.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.

How January varies from year to year

  • Warmest January, 1991-20202014: average high 78°F
  • Coolest January1993: average high 60°F
  • Wettest January1993: 13.9 in
  • Driest January2014: 0.1 in
  • Highest reading91°F (January 12, 1996)
  • Lowest reading21°F (January 14, 2007)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

January compared with December and February

DecemberJanuaryFebruary
Normal high65°F66°F67°F
Normal low40°F42°F43°F
Wet days566
Comfortable days161814
Daylight10.0 h10.2 h11.0 h

Highs change by +1°F from December and +1°F into February.

Nearby alternatives in January

How Temecula ranks in January

  • Normal high64th warmest of 378 cities; 27th of 60 in California
  • Wet days53rd driest of 378
  • Comfortable days19th most of 339

Heating and cooling

January has 349 heating degree days and 2 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.

Questions

How cold is Temecula in January?

The normal high is 66°F and the normal low is 42°F. From 1991 to 2020 the coldest January reading was 21°F (January 14, 2007).

Does it rain a lot in Temecula in January?

About 6 days in January have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest January in 1991-2020 was in 1993 (13.9 in); the driest was in 2014 (0.1 in).

Is January a good time to visit Temecula?

January ranks 4th of 12 months on our comfort score for Temecula (67 out of 100). It has about 18 comfortable days. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall and snow depth: Elsinore (USC00042805), 18 mi NW of the city center, 1,268 ft (257 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Fallbrook 5 Ne (USW00053151), 4.5 mi SSW of the city center, 1,140 ft (129 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: March AFB (USW00023119), 29 mi NNW of the city center, 1,516 ft (505 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: March Air Reserve Base (722860-23119), 29 mi NNW of the city center, 1,536 ft (525 ft higher than the city). Hourly observations, 1991-2020.