Concord, CA weather in January
In January, Concord sees highs around 56°F and lows around 35°F: cool, with frequent rain. Rain falls on about 10 days. It is one of the coolest months in Concord.
- Normal high
- 56°F
- Normal low
- 35°F
- Wet days
- 10
- 3.5 in total
- Muggy days
- 0
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 55°F | 58°F |
| Normal low | 34°F | 36°F |
| Chance of a wet day | 32% | 33% |
| Sunrise / sunset | 7:24 am / 4:59 pm | 7:13 am / 5:29 pm |
| Daylight | 9.6 h | 10.3 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
- 6 am42°Fdew point 39°F
- 9 am45°Fdew point 41°F
- Noon53°Fdew point 43°F
- 3 pm56°Fdew point 43°F
- 6 pm49°Fdew point 43°F
- 9 pm46°Fdew point 42°F
NOAA hourly normals (local standard time) from Travis AFB (21 mi away); average wind 7 mph; clear or few clouds in 47% of daytime hours, mostly cloudy or overcast in 47%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F2 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 snow10 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below6 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain in January
Normal precipitation is 3.5 in; a dry January brings about 1.1 in and a wet one about 5.6 in (25th and 75th percentiles). About 3 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 65°F
- Coolest January1992: average high 51°F
- Wettest January1995: 10.2 in
- Driest January2015: no measurable precipitation
- Highest reading74°F (January 12, 2009)
- Lowest reading20°F (January 4, 2009)
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
| December | January | February | |
|---|---|---|---|
| Normal high | 57°F | 56°F | 61°F |
| Normal low | 35°F | 35°F | 37°F |
| Wet days | 9 | 10 | 10 |
| Comfortable days | 2 | 2 | 7 |
| Daylight | 9.6 h | 9.9 h | 10.8 h |
Highs change by -1°F from December and +5°F into February.
Nearby alternatives in January
- Warmer: Salinas, CA92 mi · high 62°F · 9 wet days
- Drier: Reno, NV161 mi · high 48°F · 7 wet days
- Cooler: South Lake Tahoe, CA129 mi · high 43°F · 10 wet days
How Concord ranks in January
- Normal high145th warmest of 378 cities; 51st of 60 in California
- Wet days221st driest of 378
- Comfortable days176th most of 339
What to pack for Concord in January
- A warm jacket – lows near 35°F, highs near 56°F
- A rain jacket or umbrella – rain on about 10 days
Frost in January
The last spring frost typically comes around Jan 9; in 1 year in 10 it comes after Feb 12. All frost dates for Concord.
Heating and cooling
January has 603 heating degree days and 0 cooling degree days (base 65°F), 17% of the year's total heating and cooling demand.
Questions
How cold is Concord in January?
The normal high is 56°F and the normal low is 35°F. From 1991 to 2020 the coldest January reading was 20°F (most recently on January 4, 2009).
Does it rain a lot in Concord in January?
About 10 days in January have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest January in 1991-2020 was in 1995 (10.2 in); the driest was in 2015, with no measurable precipitation.
Does it snow in Concord in January?
Snow is very rare: the 1991-2020 normal for January rounds to 0.0 in.
Is January a good time to visit Concord?
January ranks 11th of 12 months on our comfort score for Concord (44 out of 100). It has about 2 comfortable days. The best months are April and May.
Where the numbers come from
- Temperature: Martinez WTP (USC00045378), 5.1 mi WNW of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Concord Wwtp (USC00041967), 2.1 mi W of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Concord Buchanan Fld (USW00023254), 1.6 mi NW of the city center, 18 ft (57 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Travis AFB (USW00023202), 21 mi NNE of the city center, 59 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Travis Air Force Base (745160-23202), 21 mi NNE of the city center, 62 ft . Hourly observations, 1991-2020.