Martinez weather in January: Martinez, California: normal highs, lows, rain and records for January

Martinez in January has a normal high of 56°F and a normal low of 35°F, a daily mean of 46°F, rising from 55°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 11 days in a normal January, 3.86 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 13°C and low of 2°C, 98 mm of precipitation in January.

  • NOAA stationMartinez Water Treatment Plant
  • Station IDUSC00045378
  • Location38.01°N 122.11°W
  • Elevation40 ft (12 m)
  • Population37,006
  1. Jan 56° 35°
  2. Feb 61° 37°
  3. Mar 66° 40°
  4. Apr 71° 43°
  5. May 78° 46°
  6. Jun 85° 50°
  7. Jul 88° 51°
  8. Aug 87° 51°
  9. Sep 84° 50°
  10. Oct 76° 46°
  11. Nov 64° 39°
  12. Dec 57° 35°

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

How warm is Martinez in January?

The normal high is 56°F and the normal low 35°F, for a daily mean of 45.6°F. January is 0.0°F warmer than December and 3.5°F cooler than February. January is the 11th warmest month of the year in Martinez and the wettest. Across the month the normal high rises 3°F, from 55°F on January 1 to 58°F on January 31. From one year to the next January's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 43°F and 48°F.

Martinez in January, 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 36%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 155°F34°F35%24%
January 855°F35°F35%24%
January 1556°F35°F35%25%
January 2257°F35°F36%25%
January 3158°F36°F36%25%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
Martinez: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 155°F34°F35%24%9 h 30 min
January 255°F34°F35%24%9 h 30 min
January 355°F34°F35%24%9 h 40 min
January 455°F34°F35%24%9 h 40 min
January 555°F34°F35%24%9 h 40 min
January 655°F34°F35%24%9 h 40 min
January 755°F35°F35%24%9 h 40 min
January 855°F35°F35%24%9 h 40 min
January 955°F35°F35%24%9 h 40 min
January 1055°F35°F35%24%9 h 40 min
January 1156°F35°F35%24%9 h 40 min
January 1256°F35°F35%24%9 h 40 min
January 1356°F35°F35%25%9 h 50 min
January 1456°F35°F35%25%9 h 50 min
January 1556°F35°F35%25%9 h 50 min
January 1656°F35°F36%25%9 h 50 min
January 1756°F35°F36%25%9 h 50 min
January 1856°F35°F36%25%9 h 50 min
January 1956°F35°F36%25%9 h 50 min
January 2056°F35°F36%25%9 h 50 min
January 2156°F35°F36%25%10 h
January 2257°F35°F36%25%10 h
January 2357°F35°F36%25%10 h
January 2457°F35°F36%25%10 h
January 2557°F36°F36%25%10 h
January 2657°F36°F36%25%10 h
January 2757°F36°F36%25%10 h 10 min
January 2857°F36°F36%25%10 h 10 min
January 2958°F36°F36%25%10 h 10 min
January 3058°F36°F36%25%10 h 10 min
January 3158°F36°F36%25%10 h 10 min
Normal high
56°FJanuary average
Normal low
35°FJanuary average
Precipitation
3.86 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
6
Daylight
9 h 30 min to 10 h 10 minJanuary 1 to January 31
Sunshine
74%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00045378; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Martinez in January?

On a given January day the chance of 0.01 inch or more is 36% on average, highest around January 31 (36%). In all, 3.86 in falls on 11 days of a normal January, 1 of them with an inch or more.

In a normal January in Martinez, 6 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00045378.

What are the records for January in Martinez?

The warmest January temperature on this station's record (since 1970) is 74°F, on January 12, 2009; the coldest is 20°F, on January 13, 2007. The wettest January brought 11.53 in (2017).

Source: records: ACIS, station USC00045378. Records and recent months use complete months only.

How does January in Martinez 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; Martinez's is 56°F.

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

Other months and places