Apex weather in January: Apex, North Carolina: normal highs, lows, rain and records for January
Apex in January has a normal high of 51°F and a normal low of 31°F, a daily mean of 41°F, holding near 51°F all month. Measurable precipitation falls on 10 days in a normal January, 3.65 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of −1°C, 93 mm of precipitation and 7 cm of snow in January.
- NOAA stationApex
- Station IDUSC00310212
- Location35.74°N 78.84°W
- Elevation450 ft (137 m)
- From the center3 miles
- Population75,977
- Jan 51° 31°
- Feb 54° 33°
- Mar 62° 39°
- Apr 72° 48°
- May 79° 57°
- Jun 86° 65°
- Jul 89° 69°
- Aug 87° 68°
- Sep 82° 62°
- Oct 72° 50°
- Nov 62° 40°
- Dec 54° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Apex in January?
The normal high is 51°F and the normal low 31°F, for a daily mean of 40.9°F. January is 3.1°F cooler than December and 2.6°F cooler than February. January is the 12th warmest month of the year in Apex and the 9th wettest, and the snowiest. Across the month the normal high rises 1°F, from 51°F on January 1 to 52°F on January 31. From one year to the next January's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 38°F and 44°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 51°F | 32°F | 34% | 22% |
| January 8 | 51°F | 31°F | 33% | 22% |
| January 15 | 51°F | 31°F | 33% | 21% |
| January 22 | 51°F | 31°F | 33% | 21% |
| January 31 | 52°F | 31°F | 33% | 22% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 17)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 51°F | 32°F | 34% | 22% | 9 h 50 min |
| January 2 | 51°F | 32°F | 34% | 22% | 9 h 50 min |
| January 3 | 51°F | 32°F | 34% | 22% | 9 h 50 min |
| January 4 | 51°F | 32°F | 34% | 22% | 9 h 50 min |
| January 5 | 51°F | 31°F | 34% | 22% | 9 h 50 min |
| January 6 | 51°F | 31°F | 34% | 22% | 9 h 50 min |
| January 7 | 51°F | 31°F | 34% | 22% | 9 h 50 min |
| January 8 | 51°F | 31°F | 33% | 22% | 9 h 50 min |
| January 9 | 51°F | 31°F | 33% | 22% | 9 h 50 min |
| January 10 | 51°F | 31°F | 33% | 22% | 9 h 50 min |
| January 11 | 51°F | 31°F | 33% | 22% | 9 h 50 min |
| January 12 | 51°F | 31°F | 33% | 22% | 10 h |
| January 13 | 51°F | 31°F | 33% | 22% | 10 h |
| January 14 | 51°F | 31°F | 33% | 21% | 10 h |
| January 15 | 51°F | 31°F | 33% | 21% | 10 h |
| January 16 | 51°F | 31°F | 33% | 21% | 10 h |
| January 17 | 51°F | 31°F | 33% | 21% | 10 h |
| January 18 | 51°F | 31°F | 33% | 21% | 10 h |
| January 19 | 51°F | 31°F | 33% | 21% | 10 h |
| January 20 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 21 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 22 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 23 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 24 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 25 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 26 | 51°F | 31°F | 33% | 21% | 10 h 10 min |
| January 27 | 51°F | 31°F | 33% | 21% | 10 h 20 min |
| January 28 | 52°F | 31°F | 33% | 22% | 10 h 20 min |
| January 29 | 52°F | 31°F | 33% | 22% | 10 h 20 min |
| January 30 | 52°F | 31°F | 33% | 22% | 10 h 20 min |
| January 31 | 52°F | 31°F | 33% | 22% | 10 h 20 min |
- Normal high
- 51°FJanuary average
- Normal low
- 31°FJanuary average
- Precipitation
- 3.65 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 2.9 inmonth total
- Nights at 32°F or colder
- 19
- Daylight
- 9 h 50 min to 10 h 20 minJanuary 1 to January 31
- Days at 70°F or more
- 2
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00310212; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Apex in January?
On a given January day the chance of 0.01 inch or more is 33% on average, highest around January 1 (34%). In all, 3.65 in falls on 10 days of a normal January, 1 of them with an inch or more.
In a normal January in Apex, 19 nights fall to freezing, 2 days stay below freezing all day and snowfall averages 2.9 inches.
Snow falls on 1 day in a normal January, and an inch or more covers the ground on 2 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00310212.
What are the records for January in Apex?
The January mean against the 1991-2020 normal of 40.9°F: 2021 40.3°F (−0.6), 2022 38.7°F (−2.2), 2023 47.3°F (+6.4), 2024 43.7°F (+2.8), 2025 36.7°F (−4.2). 2 of 5 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 40.3°F | −0.6°F | 4.94 in |
| 2022 | 38.7°F | −2.2°F | 6.62 in |
| 2023 | 47.3°F | +6.4°F | 3.53 in |
| 2024 | 43.7°F | +2.8°F | 4.95 in |
| 2025 | 36.7°F | −4.2°F | 1.33 in |
Source: recent months: ACIS, station USC00310212. Records and recent months use complete months only.
How does January in Apex compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, January normal highs run from 35°F in Beech Mountain to 60°F in Southport; Apex's is 51°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.