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

Walla Walla in January has a normal high of 42°F and a normal low of 31°F, a daily mean of 36°F, rising from 41°F on the 1st to 43°F by the 31st. Measurable precipitation falls on 13 days in a normal January, 2.10 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 5°C and low of −1°C, 53 mm of precipitation and 3 cm of snow in January.

  • NOAA stationWalla Walla Regional Airport
  • Station IDUSW00024160
  • Location46.09°N 118.29°W
  • Elevation1,166 ft (355 m)
  • Population33,901
  1. Jan 42° 31°
  2. Feb 47° 33°
  3. Mar 56° 38°
  4. Apr 63° 43°
  5. May 71° 49°
  6. Jun 79° 55°
  7. Jul 90° 62°
  8. Aug 89° 62°
  9. Sep 79° 54°
  10. Oct 63° 44°
  11. Nov 49° 36°
  12. Dec 41° 30°

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

How warm is Walla Walla in January?

The normal high is 42°F and the normal low 31°F, for a daily mean of 36.3°F. January is 0.7°F warmer than December and 3.4°F cooler than February. January is the 11th warmest month of the year in Walla Walla and the 4th wettest. Across the month the normal high rises 2°F, from 41°F on January 1 to 43°F on January 31. From one year to the next January's mean temperature typically moves about 5.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 31°F and 41°F.

Walla Walla 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 44%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 141°F30°F44%22%
January 841°F30°F44%21%
January 1542°F31°F43%21%
January 2242°F31°F41%20%
January 3143°F32°F40%19%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
Walla Walla: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 141°F30°F44%22%8 h 40 min
January 241°F30°F44%22%8 h 40 min
January 341°F30°F44%22%8 h 40 min
January 441°F30°F44%22%8 h 40 min
January 541°F30°F44%22%8 h 50 min
January 641°F30°F44%22%8 h 50 min
January 741°F30°F44%21%8 h 50 min
January 841°F30°F44%21%8 h 50 min
January 941°F30°F44%21%8 h 50 min
January 1041°F30°F44%21%8 h 50 min
January 1142°F30°F44%21%8 h 50 min
January 1242°F30°F44%21%9 h
January 1342°F31°F43%21%9 h
January 1442°F31°F43%21%9 h
January 1542°F31°F43%21%9 h
January 1642°F31°F43%21%9 h
January 1742°F31°F43%20%9 h
January 1842°F31°F42%20%9 h 10 min
January 1942°F31°F42%20%9 h 10 min
January 2042°F31°F42%20%9 h 10 min
January 2142°F31°F42%20%9 h 10 min
January 2242°F31°F41%20%9 h 10 min
January 2343°F31°F41%19%9 h 20 min
January 2443°F31°F41%19%9 h 20 min
January 2543°F32°F41%19%9 h 20 min
January 2643°F32°F40%19%9 h 20 min
January 2743°F32°F40%19%9 h 30 min
January 2843°F32°F40%19%9 h 30 min
January 2943°F32°F40%19%9 h 30 min
January 3043°F32°F40%19%9 h 30 min
January 3143°F32°F40%19%9 h 40 min
Normal high
42°FJanuary average
Normal low
31°FJanuary average
Precipitation
2.10 inmonth total
Days with precipitation
130.01 inch or more
Snowfall
1.0 inmonth total
Nights at 32°F or colder
17
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 USW00024160; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Walla Walla in January?

On a given January day the chance of 0.01 inch or more is 42% on average, highest around January 1 (44%). In all, 2.10 in falls on 13 days of a normal January.

In a normal January in Walla Walla, 17 nights fall to freezing, 7 days stay below freezing all day and snowfall averages 1.0 inches.

Snow falls on 2 days in a normal January, and an inch or more covers the ground on 3 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024160.

How humid and windy is Walla Walla in January?

At 3 p.m. the normal temperature is 41°F with 70% relative humidity and a dew point of 32°F; at 6 a.m. it is 35°F with 80% humidity. The wind averages 7.3 mph, most often from the south-southwest in the afternoon. A dew point under 50°F feels dry.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.35°F30°F80%6.7 mph–
9 a.m.37°F31°F78%7.0 mph–
noon40°F32°F72%8.2 mph–
3 p.m.41°F32°F70%7.4 mph–
6 p.m.38°F32°F77%7.1 mph–
9 p.m.37°F31°F79%7.6 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024160. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for January in Walla Walla?

The warmest January temperature on this station's record (since 1949) is 70°F, on January 20, 1968; the coldest is −18°F, on January 27, 1957. The wettest January brought 5.91 in (1970); the snowiest, 29.3 inches (1969).

The January mean against the 1991-2020 normal of 36.3°F: 2021 39.8°F (+3.5), 2022 33.1°F (−3.2), 2023 37.2°F (+0.9), 2024 30.0°F (−6.3), 2025 33.5°F (−2.8), 2026 37.0°F (+0.7). 3 of 6 ran warmer than normal.

Walla Walla: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202139.8°F+3.5°F1.36 in
202233.1°F−3.2°F1.63 in
202337.2°F+0.9°F0.74 in
202430.0°F−6.3°F1.80 in
202533.5°F−2.8°F1.43 in
202637.0°F+0.7°F0.67 in

Source: records: ACIS, station USW00024160; recent months: ACIS, station USW00024160. Records and recent months use complete months only.

How does January in Walla Walla 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; Walla Walla's is 42°F.

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

Other months and places