Indiana weather in January: Indiana, Pennsylvania: normal highs, lows, rain and records for January
Indiana in January has a normal high of 36°F and a normal low of 18°F, a daily mean of 27°F, holding near 36°F all month. Measurable precipitation falls on 17 days in a normal January, 3.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −8°C, 92 mm of precipitation and 34 cm of snow in January.
- NOAA stationIndiana (3 mi SE)
- Station IDUSC00364214
- Location40.60°N 79.12°W
- Elevation1,102 ft (336 m)
- From the center3 miles
- Population14,294
- Jan 36° 18°
- Feb 39° 18°
- Mar 49° 25°
- Apr 62° 35°
- May 72° 46°
- Jun 79° 54°
- Jul 83° 59°
- Aug 81° 58°
- Sep 75° 51°
- Oct 63° 40°
- Nov 51° 30°
- Dec 41° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Indiana in January?
The normal high is 36°F and the normal low 18°F, for a daily mean of 26.7°F. January is 5.6°F cooler than December and 2.1°F cooler than February. January is the 12th warmest month of the year in Indiana and the 8th wettest, and the snowiest. Across the month the normal high falls 1°F, from 37°F on January 1 to 36°F on January 31. 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 22°F and 32°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 54%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 37°F | 21°F | 52% | 28% |
| January 8 | 36°F | 19°F | 53% | 29% |
| January 15 | 35°F | 17°F | 54% | 28% |
| January 22 | 35°F | 16°F | 54% | 28% |
| January 31 | 36°F | 16°F | 53% | 27% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 27)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 37°F | 21°F | 52% | 28% | 9 h 20 min |
| January 2 | 37°F | 20°F | 52% | 28% | 9 h 20 min |
| January 3 | 37°F | 20°F | 52% | 28% | 9 h 20 min |
| January 4 | 37°F | 20°F | 53% | 28% | 9 h 20 min |
| January 5 | 37°F | 20°F | 53% | 29% | 9 h 20 min |
| January 6 | 36°F | 19°F | 53% | 29% | 9 h 20 min |
| January 7 | 36°F | 19°F | 53% | 29% | 9 h 20 min |
| January 8 | 36°F | 19°F | 53% | 29% | 9 h 30 min |
| January 9 | 36°F | 19°F | 54% | 29% | 9 h 30 min |
| January 10 | 36°F | 18°F | 54% | 29% | 9 h 30 min |
| January 11 | 36°F | 18°F | 54% | 29% | 9 h 30 min |
| January 12 | 36°F | 18°F | 54% | 29% | 9 h 30 min |
| January 13 | 36°F | 18°F | 54% | 28% | 9 h 30 min |
| January 14 | 36°F | 18°F | 54% | 28% | 9 h 30 min |
| January 15 | 35°F | 17°F | 54% | 28% | 9 h 30 min |
| January 16 | 35°F | 17°F | 54% | 28% | 9 h 40 min |
| January 17 | 35°F | 17°F | 54% | 28% | 9 h 40 min |
| January 18 | 35°F | 17°F | 54% | 28% | 9 h 40 min |
| January 19 | 35°F | 17°F | 54% | 28% | 9 h 40 min |
| January 20 | 35°F | 17°F | 54% | 28% | 9 h 40 min |
| January 21 | 35°F | 17°F | 54% | 28% | 9 h 40 min |
| January 22 | 35°F | 16°F | 54% | 28% | 9 h 50 min |
| January 23 | 35°F | 16°F | 54% | 28% | 9 h 50 min |
| January 24 | 35°F | 16°F | 54% | 28% | 9 h 50 min |
| January 25 | 35°F | 16°F | 54% | 28% | 9 h 50 min |
| January 26 | 36°F | 16°F | 54% | 27% | 9 h 50 min |
| January 27 | 36°F | 16°F | 54% | 27% | 9 h 50 min |
| January 28 | 36°F | 16°F | 54% | 27% | 10 h |
| January 29 | 36°F | 16°F | 53% | 27% | 10 h |
| January 30 | 36°F | 16°F | 53% | 27% | 10 h |
| January 31 | 36°F | 16°F | 53% | 27% | 10 h |
- Normal high
- 36°FJanuary average
- Normal low
- 18°FJanuary average
- Precipitation
- 3.64 inmonth total
- Days with precipitation
- 170.01 inch or more
- Snowfall
- 13.3 inmonth total
- Nights at 32°F or colder
- 27
- Daylight
- 9 h 20 min to 10 hJanuary 1 to January 31
- Sunshine
- 53%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00364214; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Indiana in January?
On a given January day the chance of 0.01 inch or more is 54% on average, highest around January 14 (54%). In all, 3.64 in falls on 17 days of a normal January, 1 of them with an inch or more.
In a normal January in Indiana, 27 nights fall to freezing, 12 days stay below freezing all day and snowfall averages 13.3 inches.
Snow falls on 10 days in a normal January, and an inch or more covers the ground on 17 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00364214.
What are the records for January in Indiana?
The warmest January temperature on this station's record (since 1946) is 75°F, on January 25, 1950; the coldest is −24°F, on January 21, 1994. The wettest January brought 8.11 in (2005); the snowiest, 59.3 inches (1978).
The January mean against the 1991-2020 normal of 26.7°F: 2021 30.0°F (+3.3), 2022 22.1°F (−4.6), 2023 35.2°F (+8.5), 2024 29.6°F (+2.9), 2025 19.7°F (−7.0), 2026 20.6°F (−6.1). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 30.0°F | +3.3°F | 1.95 in |
| 2022 | 22.1°F | −4.6°F | 3.84 in |
| 2023 | 35.2°F | +8.5°F | 5.21 in |
| 2024 | 29.6°F | +2.9°F | 5.66 in |
| 2025 | 19.7°F | −7.0°F | 2.02 in |
| 2026 | 20.6°F | −6.1°F | 2.97 in |
Source: records: ACIS, station USC00364214; recent months: ACIS, station USC00364214. Records and recent months use complete months only.
How does January in Indiana compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, January normal highs run from 29°F in Laporte to 43°F in Marcus Hook; Indiana's is 36°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Indiana in December41°F by day, 24°F at night
- Indiana in February39°F by day, 18°F at night
- Indiana through the yearEvery month, frost dates, records and recent years
- Pennsylvania in JanuaryThe statewide normal and the warmest and coolest places
- Marcus Hook: Pennsylvania's warmest Januarynormal high 43°F