Rolla weather in January: Rolla, Missouri: normal highs, lows, rain and records for January
Rolla in January has a normal high of 41°F and a normal low of 22°F, a daily mean of 32°F, holding near 41°F all month. Measurable precipitation falls on 9 days in a normal January, 2.73 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 5°C and low of −5°C, 69 mm of precipitation and 14 cm of snow in January.
- NOAA stationRolla Missouri S&t
- Station IDUSC00237263
- Location37.96°N 91.78°W
- Elevation1,173 ft (358 m)
- From the center1 miles
- Population20,660
- Jan 41° 22°
- Feb 46° 26°
- Mar 56° 35°
- Apr 67° 45°
- May 76° 56°
- Jun 84° 65°
- Jul 89° 69°
- Aug 88° 67°
- Sep 80° 59°
- Oct 69° 47°
- Nov 56° 36°
- Dec 45° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rolla in January?
The normal high is 41°F and the normal low 22°F, for a daily mean of 31.7°F. January is 4.3°F cooler than December and 4.4°F cooler than February. January is the 12th warmest month of the year in Rolla and the 11th wettest, and the snowiest. Across the month the normal high rises 1°F, from 41°F on January 1 to 42°F on January 31. From one year to the next January's mean temperature typically moves about 3.7°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 28°F and 35°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 | 41°F | 24°F | 30% | 15% |
| January 8 | 41°F | 23°F | 30% | 15% |
| January 15 | 40°F | 22°F | 30% | 15% |
| January 22 | 41°F | 22°F | 30% | 14% |
| January 31 | 42°F | 23°F | 30% | 15% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 16)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 41°F | 24°F | 30% | 15% | 9 h 30 min |
| January 2 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 3 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 4 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 5 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 6 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 7 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 8 | 41°F | 23°F | 30% | 15% | 9 h 40 min |
| January 9 | 41°F | 22°F | 30% | 15% | 9 h 40 min |
| January 10 | 40°F | 22°F | 30% | 15% | 9 h 40 min |
| January 11 | 40°F | 22°F | 30% | 15% | 9 h 40 min |
| January 12 | 40°F | 22°F | 30% | 15% | 9 h 40 min |
| January 13 | 40°F | 22°F | 30% | 15% | 9 h 50 min |
| January 14 | 40°F | 22°F | 30% | 15% | 9 h 50 min |
| January 15 | 40°F | 22°F | 30% | 15% | 9 h 50 min |
| January 16 | 40°F | 22°F | 30% | 15% | 9 h 50 min |
| January 17 | 41°F | 22°F | 30% | 15% | 9 h 50 min |
| January 18 | 41°F | 22°F | 30% | 15% | 9 h 50 min |
| January 19 | 41°F | 22°F | 30% | 15% | 9 h 50 min |
| January 20 | 41°F | 22°F | 30% | 14% | 10 h |
| January 21 | 41°F | 22°F | 30% | 14% | 10 h |
| January 22 | 41°F | 22°F | 30% | 14% | 10 h |
| January 23 | 41°F | 22°F | 30% | 15% | 10 h |
| January 24 | 41°F | 22°F | 30% | 15% | 10 h |
| January 25 | 41°F | 22°F | 30% | 15% | 10 h |
| January 26 | 41°F | 22°F | 30% | 15% | 10 h 10 min |
| January 27 | 42°F | 22°F | 30% | 15% | 10 h 10 min |
| January 28 | 42°F | 23°F | 30% | 15% | 10 h 10 min |
| January 29 | 42°F | 23°F | 30% | 15% | 10 h 10 min |
| January 30 | 42°F | 23°F | 30% | 15% | 10 h 10 min |
| January 31 | 42°F | 23°F | 30% | 15% | 10 h 10 min |
- Normal high
- 41°FJanuary average
- Normal low
- 22°FJanuary average
- Precipitation
- 2.73 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 5.6 inmonth total
- Nights at 32°F or colder
- 26
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00237263; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Rolla in January?
On a given January day the chance of 0.01 inch or more is 30% on average, highest around January 5 (30%). In all, 2.73 in falls on 9 days of a normal January, 1 of them with an inch or more.
In a normal January in Rolla, 26 nights fall to freezing, 9 days stay below freezing all day and snowfall averages 5.6 inches.
Snow falls on 5 days in a normal January, and an inch or more covers the ground on 7 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00237263.
What are the records for January in Rolla?
The warmest January temperature on this station's record (since 1897) is 78°F, on January 24, 1943; the coldest is −24°F, on January 13, 1912. The wettest January brought 9.72 in (1916); the snowiest, 19.7 inches (1979).
The January mean against the 1991-2020 normal of 31.7°F: 2021 33.7°F (+2.0), 2022 29.4°F (−2.3), 2023 38.7°F (+7.0), 2024 28.4°F (−3.3), 2025 27.7°F (−4.0), 2026 30.8°F (−0.9). 2 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 33.7°F | +2.0°F | 4.92 in |
| 2022 | 29.4°F | −2.3°F | 1.48 in |
| 2023 | 38.7°F | +7.0°F | 2.79 in |
| 2024 | 28.4°F | −3.3°F | 4.28 in |
| 2025 | 27.7°F | −4.0°F | 2.21 in |
| 2026 | 30.8°F | −0.9°F | 0.99 in |
Source: records: ACIS, station USC00237263; recent months: ACIS, station USC00237263. Records and recent months use complete months only.
How does January in Rolla compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, January normal highs run from 32°F in Green City to 46°F in Neosho; Rolla's is 41°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.