Pasco weather in January: Pasco, Washington: normal highs, lows, rain and records for January
Pasco in January has a normal high of 41°F and a normal low of 28°F, a daily mean of 35°F, rising from 40°F on the 1st to 44°F by the 31st. Measurable precipitation falls on 10 days in a normal January, 1.03 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 5°C and low of −2°C, 26 mm of precipitation in January.
- NOAA stationPasco Tri Cities Airport
- Station IDUSW00024163
- Location46.27°N 119.12°W
- Elevation407 ft (124 m)
- Population81,724
- Jan 41° 28°
- Feb 49° 28°
- Mar 59° 33°
- Apr 67° 38°
- May 77° 46°
- Jun 83° 53°
- Jul 93° 57°
- Aug 91° 56°
- Sep 81° 48°
- Oct 66° 38°
- Nov 50° 32°
- Dec 41° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Pasco in January?
The normal high is 41°F and the normal low 28°F, for a daily mean of 34.6°F. January is 0.5°F warmer than December and 3.8°F cooler than February. January is the 11th warmest month of the year in Pasco 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 30°F and 39°F.
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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 40°F | 27°F | 33% | 13% |
| January 8 | 40°F | 27°F | 33% | 13% |
| January 15 | 41°F | 28°F | 33% | 12% |
| January 22 | 42°F | 28°F | 32% | 11% |
| January 31 | 44°F | 28°F | 30% | 9% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 40°F | 27°F | 33% | 13% | 8 h 40 min |
| January 2 | 40°F | 27°F | 33% | 13% | 8 h 40 min |
| January 3 | 40°F | 27°F | 33% | 13% | 8 h 40 min |
| January 4 | 40°F | 27°F | 33% | 13% | 8 h 40 min |
| January 5 | 40°F | 27°F | 33% | 13% | 8 h 40 min |
| January 6 | 40°F | 27°F | 33% | 13% | 8 h 50 min |
| January 7 | 40°F | 27°F | 33% | 13% | 8 h 50 min |
| January 8 | 40°F | 27°F | 33% | 13% | 8 h 50 min |
| January 9 | 41°F | 27°F | 33% | 13% | 8 h 50 min |
| January 10 | 41°F | 28°F | 33% | 12% | 8 h 50 min |
| January 11 | 41°F | 28°F | 33% | 12% | 8 h 50 min |
| January 12 | 41°F | 28°F | 33% | 12% | 8 h 50 min |
| January 13 | 41°F | 28°F | 33% | 12% | 9 h |
| January 14 | 41°F | 28°F | 33% | 12% | 9 h |
| January 15 | 41°F | 28°F | 33% | 12% | 9 h |
| January 16 | 41°F | 28°F | 32% | 12% | 9 h |
| January 17 | 41°F | 28°F | 32% | 12% | 9 h |
| January 18 | 41°F | 28°F | 32% | 11% | 9 h |
| January 19 | 42°F | 28°F | 32% | 11% | 9 h 10 min |
| January 20 | 42°F | 28°F | 32% | 11% | 9 h 10 min |
| January 21 | 42°F | 28°F | 32% | 11% | 9 h 10 min |
| January 22 | 42°F | 28°F | 32% | 11% | 9 h 10 min |
| January 23 | 42°F | 28°F | 32% | 10% | 9 h 20 min |
| January 24 | 42°F | 28°F | 32% | 10% | 9 h 20 min |
| January 25 | 43°F | 28°F | 31% | 10% | 9 h 20 min |
| January 26 | 43°F | 28°F | 31% | 10% | 9 h 20 min |
| January 27 | 43°F | 28°F | 31% | 9% | 9 h 30 min |
| January 28 | 43°F | 28°F | 31% | 9% | 9 h 30 min |
| January 29 | 43°F | 28°F | 31% | 9% | 9 h 30 min |
| January 30 | 44°F | 28°F | 30% | 9% | 9 h 30 min |
| January 31 | 44°F | 28°F | 30% | 9% | 9 h 40 min |
- Normal high
- 41°FJanuary average
- Normal low
- 28°FJanuary average
- Precipitation
- 1.03 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 21
- 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 USW00024163; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Pasco in January?
On a given January day the chance of 0.01 inch or more is 32% on average, highest around January 1 (33%). In all, 1.03 in falls on 10 days of a normal January.
In a normal January in Pasco, 21 nights fall to freezing and 5 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024163.
What are the records for January in Pasco?
The warmest January temperature on this station's record (since 1945) is 67°F, on January 7, 2002; the coldest is −19°F, on January 4, 2004. The wettest January brought 1.98 in (2003); the snowiest, 14.9 inches (2017).
The January mean against the 1991-2020 normal of 34.6°F: 2021 39.0°F (+4.4), 2022 31.7°F (−2.9), 2023 34.8°F (+0.2), 2024 31.0°F (−3.6), 2025 33.4°F (−1.2), 2026 36.3°F (+1.7). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 39.0°F | +4.4°F | 0.51 in |
| 2022 | 31.7°F | −2.9°F | 0.53 in |
| 2023 | 34.8°F | +0.2°F | 0.44 in |
| 2024 | 31.0°F | −3.6°F | – |
| 2025 | 33.4°F | −1.2°F | 0.91 in |
| 2026 | 36.3°F | +1.7°F | 0.31 in |
Source: records: ACIS, station USW00024163; recent months: ACIS, station USW00024163. Records and recent months use complete months only.
How does January in Pasco 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; Pasco's is 41°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.