Effingham weather in January: Effingham, Illinois: normal highs, lows, rain and records for January
Effingham in January has a normal high of 37°F and a normal low of 20°F, a daily mean of 29°F, holding near 37°F all month. Measurable precipitation falls on 9 days in a normal January, 2.93 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 3°C and low of −7°C, 74 mm of precipitation and 13 cm of snow in January.
- NOAA stationEffingham (3 mi SW)
- Station IDUSC00112687
- Location39.12°N 88.62°W
- Elevation625 ft (191 m)
- From the center4 miles
- Population12,434
- Jan 37° 20°
- Feb 43° 23°
- Mar 54° 32°
- Apr 66° 42°
- May 76° 54°
- Jun 85° 63°
- Jul 89° 66°
- Aug 87° 64°
- Sep 81° 56°
- Oct 69° 44°
- Nov 54° 34°
- Dec 42° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Effingham in January?
The normal high is 37°F and the normal low 20°F, for a daily mean of 28.8°F. January is 5.0°F cooler than December and 4.2°F cooler than February. January is the 12th warmest month of the year in Effingham and the 9th wettest, and the snowiest. From one year to the next January's mean temperature typically moves about 4.5°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 24°F and 33°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 38°F | 22°F | 30% | 19% |
| January 8 | 37°F | 21°F | 29% | 18% |
| January 15 | 37°F | 20°F | 29% | 17% |
| January 22 | 37°F | 19°F | 28% | 17% |
| January 31 | 38°F | 20°F | 29% | 17% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 22)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 38°F | 22°F | 30% | 19% | 9 h 30 min |
| January 2 | 38°F | 22°F | 30% | 19% | 9 h 30 min |
| January 3 | 38°F | 22°F | 30% | 19% | 9 h 30 min |
| January 4 | 38°F | 21°F | 30% | 19% | 9 h 30 min |
| January 5 | 38°F | 21°F | 30% | 18% | 9 h 30 min |
| January 6 | 38°F | 21°F | 30% | 18% | 9 h 30 min |
| January 7 | 37°F | 21°F | 29% | 18% | 9 h 30 min |
| January 8 | 37°F | 21°F | 29% | 18% | 9 h 30 min |
| January 9 | 37°F | 21°F | 29% | 18% | 9 h 30 min |
| January 10 | 37°F | 20°F | 29% | 18% | 9 h 40 min |
| January 11 | 37°F | 20°F | 29% | 18% | 9 h 40 min |
| January 12 | 37°F | 20°F | 29% | 18% | 9 h 40 min |
| January 13 | 37°F | 20°F | 29% | 18% | 9 h 40 min |
| January 14 | 37°F | 20°F | 29% | 18% | 9 h 40 min |
| January 15 | 37°F | 20°F | 29% | 17% | 9 h 40 min |
| January 16 | 37°F | 20°F | 29% | 17% | 9 h 40 min |
| January 17 | 37°F | 20°F | 29% | 17% | 9 h 40 min |
| January 18 | 37°F | 20°F | 29% | 17% | 9 h 50 min |
| January 19 | 37°F | 19°F | 28% | 17% | 9 h 50 min |
| January 20 | 37°F | 19°F | 28% | 17% | 9 h 50 min |
| January 21 | 37°F | 19°F | 28% | 17% | 9 h 50 min |
| January 22 | 37°F | 19°F | 28% | 17% | 9 h 50 min |
| January 23 | 37°F | 19°F | 28% | 17% | 9 h 50 min |
| January 24 | 37°F | 19°F | 29% | 16% | 10 h |
| January 25 | 38°F | 19°F | 29% | 16% | 10 h |
| January 26 | 38°F | 19°F | 29% | 16% | 10 h |
| January 27 | 38°F | 20°F | 29% | 16% | 10 h |
| January 28 | 38°F | 20°F | 29% | 16% | 10 h |
| January 29 | 38°F | 20°F | 29% | 17% | 10 h 10 min |
| January 30 | 38°F | 20°F | 29% | 17% | 10 h 10 min |
| January 31 | 38°F | 20°F | 29% | 17% | 10 h 10 min |
- Normal high
- 37°FJanuary average
- Normal low
- 20°FJanuary average
- Precipitation
- 2.93 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 5.3 inmonth total
- Nights at 32°F or colder
- 27
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Sunshine
- 62%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00112687; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Effingham in January?
On a given January day the chance of 0.01 inch or more is 29% on average, highest around January 1 (30%). In all, 2.93 in falls on 9 days of a normal January, 1 of them with an inch or more.
In a normal January in Effingham, 27 nights fall to freezing, 11 days stay below freezing all day and snowfall averages 5.3 inches.
Snow falls on 3 days in a normal January, and an inch or more covers the ground on 8 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00112687.
What are the records for January in Effingham?
The warmest January temperature on this station's record (since 1892) is 72°F, on January 25, 1950; the coldest is −29°F, on January 24, 1915. The wettest January brought 9.99 in (1950); the snowiest, 23.7 inches (1979).
Source: records: ACIS, station USC00112687. Records and recent months use complete months only.
How does January in Effingham 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; Effingham's is 37°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.