Kennewick weather in January: Kennewick, Washington: normal highs, lows, rain and records for January

Kennewick in January has a normal high of 42°F and a normal low of 29°F, a daily mean of 36°F, rising from 40°F on the 1st to 44°F by the 31st. Measurable precipitation falls on 11 days in a normal January, 1.13 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 5°C and low of −2°C, 29 mm of precipitation in January.

  • NOAA stationKennewick
  • Station IDUSC00454154
  • Location46.21°N 119.10°W
  • Elevation390 ft (119 m)
  • From the center4 miles
  • Population86,728
  1. Jan 42° 29°
  2. Feb 48° 31°
  3. Mar 58° 36°
  4. Apr 66° 42°
  5. May 75° 50°
  6. Jun 82° 56°
  7. Jul 91° 62°
  8. Aug 90° 61°
  9. Sep 81° 53°
  10. Oct 66° 43°
  11. Nov 51° 35°
  12. Dec 42° 30°

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

How warm is Kennewick in January?

The normal high is 42°F and the normal low 29°F, for a daily mean of 35.5°F. January is 0.1°F cooler than December and 4.0°F cooler than February. January is the 12th warmest month of the year in Kennewick and the wettest. Across the month the normal high rises 4°F, from 40°F on January 1 to 44°F on January 31. From one year to the next January's mean temperature typically moves about 4.6°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 31°F and 40°F.

Kennewick 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 140°F29°F36%14%
January 841°F29°F36%14%
January 1541°F29°F35%13%
January 2242°F30°F34%12%
January 3144°F30°F32%11%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
Kennewick: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 140°F29°F36%14%8 h 40 min
January 240°F29°F36%14%8 h 40 min
January 340°F29°F36%14%8 h 40 min
January 440°F29°F36%14%8 h 40 min
January 540°F29°F36%14%8 h 40 min
January 641°F29°F36%14%8 h 50 min
January 741°F29°F36%14%8 h 50 min
January 841°F29°F36%14%8 h 50 min
January 941°F29°F36%14%8 h 50 min
January 1041°F29°F36%13%8 h 50 min
January 1141°F29°F36%13%8 h 50 min
January 1241°F29°F36%13%8 h 50 min
January 1341°F29°F36%13%9 h
January 1441°F29°F35%13%9 h
January 1541°F29°F35%13%9 h
January 1642°F29°F35%13%9 h
January 1742°F29°F35%13%9 h
January 1842°F29°F35%13%9 h 10 min
January 1942°F29°F35%13%9 h 10 min
January 2042°F29°F35%13%9 h 10 min
January 2142°F30°F34%12%9 h 10 min
January 2242°F30°F34%12%9 h 10 min
January 2343°F30°F34%12%9 h 20 min
January 2443°F30°F34%12%9 h 20 min
January 2543°F30°F33%12%9 h 20 min
January 2643°F30°F33%12%9 h 20 min
January 2743°F30°F33%12%9 h 30 min
January 2843°F30°F33%11%9 h 30 min
January 2944°F30°F32%11%9 h 30 min
January 3044°F30°F32%11%9 h 30 min
January 3144°F30°F32%11%9 h 40 min
Normal high
42°FJanuary average
Normal low
29°FJanuary average
Precipitation
1.13 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
18
Daylight
8 h 40 min to 9 h 40 minJanuary 1 to January 31
Sunshine
56%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00454154; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Kennewick in January?

On a given January day the chance of 0.01 inch or more is 35% on average, highest around January 2 (36%). In all, 1.13 in falls on 11 days of a normal January.

In a normal January in Kennewick, 18 nights fall to freezing and 6 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00454154.

What are the records for January in Kennewick?

The warmest January temperature on this station's record (since 1894) is 74°F, on January 10, 1896; the coldest is −27°F, on January 21, 1930. The wettest January brought 3.87 in (1969); the snowiest, 29.0 inches (1969).

The January mean against the 1991-2020 normal of 35.5°F: 2021 39.6°F (+4.1), 2022 32.3°F (−3.2), 2023 36.0°F (+0.5), 2024 30.9°F (−4.6), 2025 34.2°F (−1.3), 2026 37.9°F (+2.4). 3 of 6 ran warmer than normal.

Kennewick: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202139.6°F+4.1°F0.54 in
202232.3°F−3.2°F0.79 in
202336.0°F+0.5°F0.61 in
202430.9°F−4.6°F2.42 in
202534.2°F−1.3°F1.07 in
202637.9°F+2.4°F0.41 in

Source: records: ACIS, station USC00454154; recent months: ACIS, station USC00454154. Records and recent months use complete months only.

How does January in Kennewick compare across Washington?

Across the 96 places PlainClimate covers in Washington, January normal highs run from 30°F in Winthrop to 49°F in Long Beach; Kennewick's is 42°F.

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

Other months and places