Wilmington weather in January: Wilmington, Ohio: normal highs, lows, rain and records for January
Wilmington in January has a normal high of 37°F and a normal low of 21°F, a daily mean of 29°F, holding near 37°F all month. Measurable precipitation falls on 13 days in a normal January, 2.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 3°C and low of −6°C, 74 mm of precipitation in January.
- NOAA stationWilmington Air Park
- Station IDUSW00013841
- Location39.42°N 83.82°W
- Elevation1,056 ft (322 m)
- Population12,639
- Jan 37° 21°
- Feb 41° 24°
- Mar 51° 32°
- Apr 64° 42°
- May 73° 52°
- Jun 82° 60°
- Jul 84° 63°
- Aug 83° 61°
- Sep 77° 54°
- Oct 65° 44°
- Nov 52° 34°
- 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 Wilmington in January?
The normal high is 37°F and the normal low 21°F, for a daily mean of 29.1°F. January is 4.9°F cooler than December and 3.1°F cooler than February. January is the 12th warmest month of the year in Wilmington and the 11th wettest. Across the month the normal high rises 1°F, from 37°F on January 1 to 38°F on January 31. From one year to the next January's mean temperature typically moves about 4.9°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 24°F and 34°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 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 37°F | 23°F | 43% | 22% |
| January 8 | 37°F | 22°F | 43% | 21% |
| January 15 | 36°F | 21°F | 43% | 20% |
| January 22 | 37°F | 21°F | 43% | 19% |
| January 31 | 38°F | 21°F | 43% | 20% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 21)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 37°F | 23°F | 43% | 22% | 9 h 30 min |
| January 2 | 37°F | 23°F | 43% | 22% | 9 h 30 min |
| January 3 | 37°F | 23°F | 43% | 22% | 9 h 30 min |
| January 4 | 37°F | 23°F | 43% | 21% | 9 h 30 min |
| January 5 | 37°F | 23°F | 43% | 21% | 9 h 30 min |
| January 6 | 37°F | 22°F | 43% | 21% | 9 h 30 min |
| January 7 | 37°F | 22°F | 43% | 21% | 9 h 30 min |
| January 8 | 37°F | 22°F | 43% | 21% | 9 h 30 min |
| January 9 | 37°F | 22°F | 43% | 20% | 9 h 30 min |
| January 10 | 37°F | 22°F | 43% | 20% | 9 h 30 min |
| January 11 | 36°F | 22°F | 43% | 20% | 9 h 40 min |
| January 12 | 36°F | 21°F | 43% | 20% | 9 h 40 min |
| January 13 | 36°F | 21°F | 43% | 20% | 9 h 40 min |
| January 14 | 36°F | 21°F | 43% | 20% | 9 h 40 min |
| January 15 | 36°F | 21°F | 43% | 20% | 9 h 40 min |
| January 16 | 36°F | 21°F | 43% | 20% | 9 h 40 min |
| January 17 | 36°F | 21°F | 43% | 19% | 9 h 40 min |
| January 18 | 36°F | 21°F | 43% | 19% | 9 h 40 min |
| January 19 | 37°F | 21°F | 43% | 19% | 9 h 50 min |
| January 20 | 37°F | 21°F | 43% | 19% | 9 h 50 min |
| January 21 | 37°F | 21°F | 43% | 19% | 9 h 50 min |
| January 22 | 37°F | 21°F | 43% | 19% | 9 h 50 min |
| January 23 | 37°F | 21°F | 43% | 19% | 9 h 50 min |
| January 24 | 37°F | 21°F | 43% | 19% | 9 h 50 min |
| January 25 | 37°F | 21°F | 43% | 19% | 10 h |
| January 26 | 37°F | 21°F | 43% | 19% | 10 h |
| January 27 | 37°F | 21°F | 43% | 20% | 10 h |
| January 28 | 37°F | 21°F | 43% | 20% | 10 h |
| January 29 | 37°F | 21°F | 43% | 20% | 10 h |
| January 30 | 38°F | 21°F | 43% | 20% | 10 h 10 min |
| January 31 | 38°F | 21°F | 43% | 20% | 10 h 10 min |
- Normal high
- 37°FJanuary average
- Normal low
- 21°FJanuary average
- Precipitation
- 2.91 inmonth total
- Days with precipitation
- 130.01 inch or more
- Nights at 32°F or colder
- 26
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Sunshine
- 58%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013841; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Wilmington in January?
On a given January day the chance of 0.01 inch or more is 43% on average, highest around January 20 (43%). In all, 2.91 in falls on 13 days of a normal January.
In a normal January in Wilmington, 26 nights fall to freezing and 12 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013841.
What are the records for January in Wilmington?
The warmest January temperature on Wilmington's official record (since 1917) is 74°F, on January 25, 1950; the coldest is −25°F, on January 18, 1982. The wettest January brought 13.74 in (1937); the snowiest, 33.5 inches (1918).
The January mean against the 1991-2020 normal of 29.1°F: 2021 32.0°F (+2.9), 2022 26.3°F (−2.8), 2023 38.6°F (+9.5), 2024 32.3°F (+3.2), 2025 23.4°F (−5.7), 2026 23.7°F (−5.4). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 32.0°F | +2.9°F | 2.77 in |
| 2022 | 26.3°F | −2.8°F | 2.10 in |
| 2023 | 38.6°F | +9.5°F | 3.76 in |
| 2024 | 32.3°F | +3.2°F | 5.06 in |
| 2025 | 23.4°F | −5.7°F | 1.55 in |
| 2026 | 23.7°F | −5.4°F | 1.56 in |
Source: records: ACIS, NWS threaded record ILNthr; recent months: ACIS, station USW00013841. Records and recent months use complete months only.
How does January in Wilmington compare across Ohio?
Across the 99 places PlainClimate covers in Ohio, January normal highs run from 32°F in Montpelier to 41°F in Portsmouth; Wilmington's is 37°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.