Rexburg weather in January: Rexburg, Idaho: normal highs, lows, rain and records for January
Rexburg in January has a normal high of 28°F and a normal low of 13°F, a daily mean of 20°F, holding near 28°F all month. Measurable precipitation falls on 11 days in a normal January, 1.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −2°C and low of −11°C, 27 mm of precipitation in January.
- NOAA stationRexburg Madison County Airport
- Station IDUSW00094194
- Location43.83°N 111.80°W
- Elevation4,858 ft (1,481 m)
- From the center1 miles
- Population40,695
- Jan 28° 13°
- Feb 32° 16°
- Mar 45° 25°
- Apr 56° 32°
- May 66° 40°
- Jun 74° 46°
- Jul 85° 52°
- Aug 84° 50°
- Sep 73° 42°
- Oct 57° 32°
- Nov 41° 23°
- Dec 29° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rexburg in January?
The normal high is 28°F and the normal low 13°F, for a daily mean of 20.3°F. January is 1.5°F cooler than December and 3.8°F cooler than February. January is the 12th warmest month of the year in Rexburg and the 4th wettest. Across the month the normal high rises 1°F, from 28°F on January 1 to 29°F on January 31. 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 16°F and 25°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 28°F | 12°F | 35% | 11% |
| January 8 | 28°F | 12°F | 35% | 11% |
| January 15 | 28°F | 13°F | 35% | 11% |
| January 22 | 28°F | 13°F | 34% | 11% |
| January 31 | 29°F | 14°F | 32% | 10% |
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 | 28°F | 12°F | 35% | 11% | 9 h |
| January 2 | 28°F | 12°F | 35% | 11% | 9 h |
| January 3 | 28°F | 12°F | 35% | 11% | 9 h |
| January 4 | 28°F | 12°F | 35% | 11% | 9 h |
| January 5 | 28°F | 12°F | 36% | 11% | 9 h |
| January 6 | 28°F | 12°F | 35% | 11% | 9 h |
| January 7 | 28°F | 12°F | 35% | 11% | 9 h |
| January 8 | 28°F | 12°F | 35% | 11% | 9 h |
| January 9 | 28°F | 12°F | 35% | 11% | 9 h 10 min |
| January 10 | 28°F | 13°F | 35% | 11% | 9 h 10 min |
| January 11 | 28°F | 13°F | 35% | 11% | 9 h 10 min |
| January 12 | 28°F | 13°F | 35% | 11% | 9 h 10 min |
| January 13 | 28°F | 13°F | 35% | 11% | 9 h 10 min |
| January 14 | 28°F | 13°F | 35% | 11% | 9 h 10 min |
| January 15 | 28°F | 13°F | 35% | 11% | 9 h 20 min |
| January 16 | 28°F | 13°F | 35% | 11% | 9 h 20 min |
| January 17 | 28°F | 13°F | 35% | 11% | 9 h 20 min |
| January 18 | 28°F | 13°F | 35% | 11% | 9 h 20 min |
| January 19 | 28°F | 13°F | 35% | 11% | 9 h 20 min |
| January 20 | 28°F | 13°F | 34% | 11% | 9 h 20 min |
| January 21 | 28°F | 13°F | 34% | 11% | 9 h 30 min |
| January 22 | 28°F | 13°F | 34% | 11% | 9 h 30 min |
| January 23 | 28°F | 13°F | 34% | 11% | 9 h 30 min |
| January 24 | 28°F | 13°F | 34% | 11% | 9 h 30 min |
| January 25 | 28°F | 14°F | 34% | 11% | 9 h 30 min |
| January 26 | 28°F | 14°F | 34% | 11% | 9 h 40 min |
| January 27 | 28°F | 14°F | 33% | 11% | 9 h 40 min |
| January 28 | 28°F | 14°F | 33% | 11% | 9 h 40 min |
| January 29 | 28°F | 14°F | 33% | 11% | 9 h 40 min |
| January 30 | 28°F | 14°F | 33% | 10% | 9 h 50 min |
| January 31 | 29°F | 14°F | 32% | 10% | 9 h 50 min |
- Normal high
- 28°FJanuary average
- Normal low
- 13°FJanuary average
- Precipitation
- 1.05 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 31
- Daylight
- 9 h to 9 h 50 minJanuary 1 to January 31
- Sunshine
- 64%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094194; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rexburg in January?
On a given January day the chance of 0.01 inch or more is 34% on average, highest around January 5 (36%). In all, 1.05 in falls on 11 days of a normal January.
In a normal January in Rexburg, 31 nights fall to freezing and 22 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094194.
What are the records for January in Rexburg?
The warmest January temperature on this station's record (since 1998) is 54°F, on January 31, 2003; the coldest is −27°F, on January 30, 2023. The wettest January brought 2.16 in (2020).
The January mean against the 1991-2020 normal of 20.3°F: 2021 21.2°F (+0.9), 2022 16.7°F (−3.6), 2023 17.4°F (−2.9), 2024 23.2°F (+2.9), 2025 15.8°F (−4.5), 2026 27.0°F (+6.7). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 21.2°F | +0.9°F | 0.97 in |
| 2022 | 16.7°F | −3.6°F | 0.49 in |
| 2023 | 17.4°F | −2.9°F | 1.41 in |
| 2024 | 23.2°F | +2.9°F | 0.93 in |
| 2025 | 15.8°F | −4.5°F | 0.43 in |
| 2026 | 27.0°F | +6.7°F | 0.86 in |
Source: records: ACIS, station USW00094194; recent months: ACIS, station USW00094194. Records and recent months use complete months only.
How does January in Rexburg compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, January normal highs run from 27°F in Island Park to 44°F in Glenns Ferry; Rexburg's is 28°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.