Normal weather in January: Normal, Illinois: normal highs, lows, rain and records for January
Normal in January has a normal high of 33°F and a normal low of 16°F, a daily mean of 25°F, holding near 33°F all month. Measurable precipitation falls on 9 days in a normal January, 2.43 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 1°C and low of −9°C, 62 mm of precipitation and 19 cm of snow in January.
- NOAA stationNormal (4 mi NE)
- Station IDUSC00116200
- Location40.55°N 88.95°W
- Elevation790 ft (241 m)
- Population53,304
- Jan 33° 16°
- Feb 38° 19°
- Mar 50° 28°
- Apr 63° 38°
- May 74° 50°
- Jun 83° 60°
- Jul 86° 63°
- Aug 84° 61°
- Sep 79° 53°
- Oct 66° 42°
- Nov 50° 31°
- Dec 38° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Normal in January?
The normal high is 33°F and the normal low 16°F, for a daily mean of 24.5°F. January is 5.3°F cooler than December and 4.0°F cooler than February. January is the 12th warmest month of the year in Normal and the 10th wettest, and the snowiest. From one year to the next January's mean temperature typically moves about 4.8°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 20°F and 29°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 34°F | 18°F | 29% | 19% |
| January 8 | 33°F | 16°F | 29% | 19% |
| January 15 | 33°F | 15°F | 28% | 18% |
| January 22 | 33°F | 15°F | 28% | 18% |
| January 31 | 34°F | 15°F | 28% | 17% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 20)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 34°F | 18°F | 29% | 19% | 9 h 20 min |
| January 2 | 34°F | 17°F | 29% | 19% | 9 h 20 min |
| January 3 | 34°F | 17°F | 29% | 19% | 9 h 20 min |
| January 4 | 34°F | 17°F | 29% | 19% | 9 h 20 min |
| January 5 | 34°F | 17°F | 29% | 19% | 9 h 20 min |
| January 6 | 34°F | 17°F | 29% | 19% | 9 h 20 min |
| January 7 | 33°F | 16°F | 29% | 19% | 9 h 20 min |
| January 8 | 33°F | 16°F | 29% | 19% | 9 h 30 min |
| January 9 | 33°F | 16°F | 29% | 19% | 9 h 30 min |
| January 10 | 33°F | 16°F | 29% | 19% | 9 h 30 min |
| January 11 | 33°F | 16°F | 29% | 19% | 9 h 30 min |
| January 12 | 33°F | 16°F | 29% | 19% | 9 h 30 min |
| January 13 | 33°F | 15°F | 29% | 18% | 9 h 30 min |
| January 14 | 33°F | 15°F | 28% | 18% | 9 h 30 min |
| January 15 | 33°F | 15°F | 28% | 18% | 9 h 30 min |
| January 16 | 33°F | 15°F | 28% | 18% | 9 h 40 min |
| January 17 | 33°F | 15°F | 28% | 18% | 9 h 40 min |
| January 18 | 33°F | 15°F | 28% | 18% | 9 h 40 min |
| January 19 | 33°F | 15°F | 28% | 18% | 9 h 40 min |
| January 20 | 33°F | 15°F | 28% | 18% | 9 h 40 min |
| January 21 | 33°F | 15°F | 28% | 18% | 9 h 40 min |
| January 22 | 33°F | 15°F | 28% | 18% | 9 h 50 min |
| January 23 | 33°F | 15°F | 28% | 18% | 9 h 50 min |
| January 24 | 33°F | 15°F | 28% | 18% | 9 h 50 min |
| January 25 | 33°F | 15°F | 28% | 18% | 9 h 50 min |
| January 26 | 34°F | 15°F | 28% | 18% | 9 h 50 min |
| January 27 | 34°F | 15°F | 28% | 17% | 10 h |
| January 28 | 34°F | 15°F | 28% | 17% | 10 h |
| January 29 | 34°F | 15°F | 28% | 17% | 10 h |
| January 30 | 34°F | 15°F | 28% | 17% | 10 h |
| January 31 | 34°F | 15°F | 28% | 17% | 10 h |
- Normal high
- 33°FJanuary average
- Normal low
- 16°FJanuary average
- Precipitation
- 2.43 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 7.5 inmonth total
- Nights at 32°F or colder
- 28
- Daylight
- 9 h 20 min to 10 hJanuary 1 to January 31
- Sunshine
- 64%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00116200; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Normal in January?
On a given January day the chance of 0.01 inch or more is 28% on average, highest around January 8 (29%). In all, 2.43 in falls on 9 days of a normal January, 1 of them with an inch or more.
In a normal January in Normal, 28 nights fall to freezing, 15 days stay below freezing all day and snowfall averages 7.5 inches.
Snow falls on 5 days in a normal January, and an inch or more covers the ground on 14 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00116200.
What are the records for January in Normal?
The warmest January temperature on this station's record (since 1893) is 69°F, on January 23, 1909; the coldest is −24°F, on January 24, 1894. The wettest January brought 7.28 in (1965); the snowiest, 26.2 inches (1918).
The January mean against the 1991-2020 normal of 24.5°F: 2021 26.6°F (+2.1), 2022 20.3°F (−4.2), 2023 32.5°F (+8.0), 2024 24.9°F (+0.4), 2025 21.5°F (−3.0), 2026 22.4°F (−2.1). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 26.6°F | +2.1°F | 1.70 in |
| 2022 | 20.3°F | −4.2°F | 0.49 in |
| 2023 | 32.5°F | +8.0°F | 1.85 in |
| 2024 | 24.9°F | +0.4°F | 3.49 in |
| 2025 | 21.5°F | −3.0°F | 0.66 in |
| 2026 | 22.4°F | −2.1°F | 0.88 in |
Source: records: ACIS, station USC00116200; recent months: ACIS, station USC00116200. Records and recent months use complete months only.
How does January in Normal compare across Illinois?
Across the 144 places PlainClimate covers in Illinois, January normal highs run from 27°F in Galena to 45°F in Anna; Normal's is 33°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.