St. Peters weather in January: St. Peters, Missouri: normal highs, lows, rain and records for January
St. Peters in January has a normal high of 39°F and a normal low of 21°F, a daily mean of 30°F, holding near 39°F all month. Measurable precipitation falls on 8 days in a normal January, 2.44 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 4°C and low of −6°C, 62 mm of precipitation and 12 cm of snow in January.
- NOAA stationSt Peters (2 mi SE)
- Station IDUSC00237475
- Location38.77°N 90.59°W
- Elevation575 ft (175 m)
- From the center1 miles
- Population61,398
- Jan 39° 21°
- Feb 45° 25°
- Mar 56° 33°
- Apr 67° 43°
- May 76° 54°
- Jun 84° 63°
- Jul 88° 68°
- Aug 87° 65°
- Sep 81° 57°
- Oct 69° 45°
- Nov 55° 35°
- Dec 44° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Peters in January?
The normal high is 39°F and the normal low 21°F, for a daily mean of 30.2°F. January is 4.8°F cooler than December and 4.6°F cooler than February. January is the 12th warmest month of the year in St. Peters and the 11th wettest. Across the month the normal high rises 1°F, from 40°F on January 1 to 41°F on January 31. From one year to the next January's mean temperature typically moves about 4.2°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 26°F and 34°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 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 40°F | 23°F | 28% | 15% |
| January 8 | 39°F | 22°F | 26% | 14% |
| January 15 | 39°F | 21°F | 25% | 13% |
| January 22 | 39°F | 21°F | 25% | 14% |
| January 31 | 41°F | 21°F | 26% | 15% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 18)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 40°F | 23°F | 28% | 15% | 9 h 30 min |
| January 2 | 40°F | 23°F | 27% | 15% | 9 h 30 min |
| January 3 | 40°F | 22°F | 27% | 15% | 9 h 30 min |
| January 4 | 40°F | 22°F | 27% | 15% | 9 h 30 min |
| January 5 | 39°F | 22°F | 27% | 15% | 9 h 30 min |
| January 6 | 39°F | 22°F | 27% | 15% | 9 h 30 min |
| January 7 | 39°F | 22°F | 26% | 14% | 9 h 30 min |
| January 8 | 39°F | 22°F | 26% | 14% | 9 h 40 min |
| January 9 | 39°F | 21°F | 26% | 14% | 9 h 40 min |
| January 10 | 39°F | 21°F | 26% | 14% | 9 h 40 min |
| January 11 | 39°F | 21°F | 26% | 14% | 9 h 40 min |
| January 12 | 39°F | 21°F | 25% | 14% | 9 h 40 min |
| January 13 | 39°F | 21°F | 25% | 14% | 9 h 40 min |
| January 14 | 39°F | 21°F | 25% | 14% | 9 h 40 min |
| January 15 | 39°F | 21°F | 25% | 13% | 9 h 40 min |
| January 16 | 39°F | 21°F | 25% | 13% | 9 h 50 min |
| January 17 | 39°F | 21°F | 25% | 13% | 9 h 50 min |
| January 18 | 39°F | 21°F | 25% | 13% | 9 h 50 min |
| January 19 | 39°F | 21°F | 25% | 13% | 9 h 50 min |
| January 20 | 39°F | 21°F | 25% | 13% | 9 h 50 min |
| January 21 | 39°F | 21°F | 25% | 14% | 9 h 50 min |
| January 22 | 39°F | 21°F | 25% | 14% | 9 h 50 min |
| January 23 | 39°F | 21°F | 25% | 14% | 10 h |
| January 24 | 39°F | 21°F | 25% | 14% | 10 h |
| January 25 | 40°F | 21°F | 25% | 14% | 10 h |
| January 26 | 40°F | 21°F | 25% | 14% | 10 h |
| January 27 | 40°F | 21°F | 25% | 14% | 10 h |
| January 28 | 40°F | 21°F | 25% | 14% | 10 h 10 min |
| January 29 | 40°F | 21°F | 25% | 15% | 10 h 10 min |
| January 30 | 40°F | 21°F | 26% | 15% | 10 h 10 min |
| January 31 | 41°F | 21°F | 26% | 15% | 10 h 10 min |
- Normal high
- 39°FJanuary average
- Normal low
- 21°FJanuary average
- Precipitation
- 2.44 inmonth total
- Days with precipitation
- 80.01 inch or more
- Snowfall
- 4.7 inmonth total
- Nights at 32°F or colder
- 26
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Sunshine
- 67%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00237475; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in St. Peters in January?
On a given January day the chance of 0.01 inch or more is 26% on average, highest around January 1 (28%). In all, 2.44 in falls on 8 days of a normal January, 1 of them with an inch or more.
In a normal January in St. Peters, 26 nights fall to freezing, 10 days stay below freezing all day and snowfall averages 4.7 inches.
Snow falls on 3 days in a normal January, and an inch or more covers the ground on 6 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00237475.
How does January in St. Peters 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; St. Peters's is 39°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.