Dover weather in January: Dover, Delaware: normal highs, lows, rain and records for January
Dover in January has a normal high of 44°F and a normal low of 28°F, a daily mean of 36°F, holding near 44°F all month. Measurable precipitation falls on 10 days in a normal January, 3.43 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −2°C, 87 mm of precipitation and 10 cm of snow in January.
- NOAA stationDover
- Station IDUSC00072730
- Location39.15°N 75.51°W
- Elevation30 ft (9 m)
- Population40,191
- Jan 44° 28°
- Feb 47° 29°
- Mar 55° 35°
- Apr 66° 45°
- May 74° 54°
- Jun 83° 64°
- Jul 87° 69°
- Aug 85° 67°
- Sep 79° 61°
- Oct 69° 50°
- Nov 58° 39°
- Dec 49° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dover in January?
The normal high is 44°F and the normal low 28°F, for a daily mean of 36.0°F. January is 4.3°F cooler than December and 2.2°F cooler than February. January is the 12th warmest month of the year in Dover and the 10th wettest. From one year to the next January's mean temperature typically moves about 4.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 32°F and 40°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 45°F | 29°F | 31% | 20% |
| January 8 | 44°F | 28°F | 31% | 20% |
| January 15 | 44°F | 27°F | 31% | 20% |
| January 22 | 44°F | 27°F | 31% | 20% |
| January 31 | 45°F | 27°F | 32% | 20% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 21)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 45°F | 29°F | 31% | 20% | 9 h 30 min |
| January 2 | 45°F | 29°F | 31% | 20% | 9 h 30 min |
| January 3 | 45°F | 29°F | 31% | 20% | 9 h 30 min |
| January 4 | 45°F | 29°F | 31% | 20% | 9 h 30 min |
| January 5 | 45°F | 29°F | 31% | 20% | 9 h 30 min |
| January 6 | 45°F | 28°F | 31% | 20% | 9 h 30 min |
| January 7 | 45°F | 28°F | 31% | 20% | 9 h 30 min |
| January 8 | 44°F | 28°F | 31% | 20% | 9 h 30 min |
| January 9 | 44°F | 28°F | 31% | 20% | 9 h 30 min |
| January 10 | 44°F | 28°F | 31% | 20% | 9 h 40 min |
| January 11 | 44°F | 28°F | 31% | 20% | 9 h 40 min |
| January 12 | 44°F | 28°F | 31% | 20% | 9 h 40 min |
| January 13 | 44°F | 28°F | 31% | 20% | 9 h 40 min |
| January 14 | 44°F | 28°F | 31% | 20% | 9 h 40 min |
| January 15 | 44°F | 27°F | 31% | 20% | 9 h 40 min |
| January 16 | 44°F | 27°F | 31% | 20% | 9 h 40 min |
| January 17 | 44°F | 27°F | 31% | 20% | 9 h 40 min |
| January 18 | 44°F | 27°F | 31% | 20% | 9 h 50 min |
| January 19 | 44°F | 27°F | 31% | 20% | 9 h 50 min |
| January 20 | 44°F | 27°F | 31% | 20% | 9 h 50 min |
| January 21 | 44°F | 27°F | 31% | 20% | 9 h 50 min |
| January 22 | 44°F | 27°F | 31% | 20% | 9 h 50 min |
| January 23 | 44°F | 27°F | 32% | 20% | 9 h 50 min |
| January 24 | 44°F | 27°F | 32% | 20% | 10 h |
| January 25 | 44°F | 27°F | 32% | 20% | 10 h |
| January 26 | 44°F | 27°F | 32% | 20% | 10 h |
| January 27 | 45°F | 27°F | 32% | 20% | 10 h |
| January 28 | 45°F | 27°F | 32% | 20% | 10 h |
| January 29 | 45°F | 27°F | 32% | 20% | 10 h 10 min |
| January 30 | 45°F | 27°F | 32% | 20% | 10 h 10 min |
| January 31 | 45°F | 27°F | 32% | 20% | 10 h 10 min |
- Normal high
- 44°FJanuary average
- Normal low
- 28°FJanuary average
- Precipitation
- 3.43 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 4.1 inmonth total
- Nights at 32°F or colder
- 22
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00072730; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Dover in January?
On a given January day the chance of 0.01 inch or more is 31% on average, highest around January 29 (32%). In all, 3.43 in falls on 10 days of a normal January, 1 of them with an inch or more.
In a normal January in Dover, 22 nights fall to freezing, 5 days stay below freezing all day and snowfall averages 4.1 inches.
Snow falls on 2 days in a normal January, and an inch or more covers the ground on 3 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00072730.
What are the records for January in Dover?
The warmest January temperature on this station's record (since 1893) is 77°F, on January 7, 1907; the coldest is −7°F, on January 28, 1935. The wettest January brought 8.09 in (1937); the snowiest, 20.5 inches (1940).
The January mean against the 1991-2020 normal of 36.0°F: 2022 32.3°F (−3.7), 2023 44.1°F (+8.1), 2024 38.4°F (+2.4), 2025 30.6°F (−5.4), 2026 31.3°F (−4.7). 2 of 5 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 32.3°F | −3.7°F | – |
| 2023 | 44.1°F | +8.1°F | – |
| 2024 | 38.4°F | +2.4°F | 6.42 in |
| 2025 | 30.6°F | −5.4°F | 1.07 in |
| 2026 | 31.3°F | −4.7°F | 3.79 in |
Source: records: ACIS, station USC00072730; recent months: ACIS, station USC00072730. Records and recent months use complete months only.
How does January in Dover compare across Delaware?
Across the 6 places PlainClimate covers in Delaware, January normal highs run from 41°F in Wilmington to 46°F in Lewes; Dover's is 44°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.