Fort Wayne weather in December: Fort Wayne, Indiana: normal highs, lows, rain and records for December
Fort Wayne in December has a normal high of 38°F and a normal low of 24°F, a daily mean of 31°F, falling from 42°F on the 1st to 34°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 2.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 3°C and low of −4°C, 63 mm of precipitation and 19 cm of snow in December.
- NOAA stationFort Wayne International Airport
- Station IDUSW00014827
- Location40.97°N 85.21°W
- Elevation791 ft (241 m)
- From the center9 miles
- Population273,203
- Jan 33° 18°
- Feb 37° 21°
- Mar 48° 29°
- Apr 61° 39°
- May 72° 50°
- Jun 81° 60°
- Jul 84° 64°
- Aug 82° 61°
- Sep 76° 53°
- Oct 64° 43°
- Nov 49° 33°
- Dec 38° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fort Wayne in December?
The normal high is 38°F and the normal low 24°F, for a daily mean of 30.9°F. December is 10.2°F cooler than November and 5.4°F warmer than January. December is the 10th warmest month of the year in Fort Wayne and the 11th wettest. Across the month the normal high falls 8°F, from 42°F on December 1 to 34°F on December 31. From one year to the next December's mean temperature typically moves about 4.8°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 26°F and 36°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 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 42°F | 28°F | 39% | 20% |
| December 8 | 40°F | 26°F | 40% | 20% |
| December 15 | 38°F | 24°F | 40% | 20% |
| December 22 | 36°F | 23°F | 41% | 20% |
| December 31 | 34°F | 21°F | 42% | 20% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 42°F | 28°F | 39% | 20% | 9 h 30 min |
| December 2 | 42°F | 28°F | 39% | 20% | 9 h 30 min |
| December 3 | 42°F | 27°F | 39% | 20% | 9 h 30 min |
| December 4 | 41°F | 27°F | 39% | 20% | 9 h 20 min |
| December 5 | 41°F | 27°F | 39% | 20% | 9 h 20 min |
| December 6 | 40°F | 27°F | 39% | 20% | 9 h 20 min |
| December 7 | 40°F | 26°F | 39% | 20% | 9 h 20 min |
| December 8 | 40°F | 26°F | 40% | 20% | 9 h 20 min |
| December 9 | 39°F | 26°F | 40% | 20% | 9 h 20 min |
| December 10 | 39°F | 26°F | 40% | 20% | 9 h 20 min |
| December 11 | 39°F | 25°F | 40% | 20% | 9 h 20 min |
| December 12 | 38°F | 25°F | 40% | 20% | 9 h 20 min |
| December 13 | 38°F | 25°F | 40% | 20% | 9 h 20 min |
| December 14 | 38°F | 25°F | 40% | 20% | 9 h 20 min |
| December 15 | 38°F | 24°F | 40% | 20% | 9 h 20 min |
| December 16 | 37°F | 24°F | 41% | 20% | 9 h 10 min |
| December 17 | 37°F | 24°F | 41% | 20% | 9 h 10 min |
| December 18 | 37°F | 24°F | 41% | 20% | 9 h 10 min |
| December 19 | 36°F | 24°F | 41% | 20% | 9 h 10 min |
| December 20 | 36°F | 23°F | 41% | 20% | 9 h 10 min |
| December 21 | 36°F | 23°F | 41% | 20% | 9 h 10 min |
| December 22 | 36°F | 23°F | 41% | 20% | 9 h 10 min |
| December 23 | 35°F | 23°F | 41% | 20% | 9 h 10 min |
| December 24 | 35°F | 22°F | 41% | 20% | 9 h 10 min |
| December 25 | 35°F | 22°F | 41% | 20% | 9 h 10 min |
| December 26 | 35°F | 22°F | 41% | 20% | 9 h 10 min |
| December 27 | 35°F | 22°F | 41% | 20% | 9 h 10 min |
| December 28 | 34°F | 21°F | 41% | 20% | 9 h 10 min |
| December 29 | 34°F | 21°F | 42% | 20% | 9 h 20 min |
| December 30 | 34°F | 21°F | 42% | 20% | 9 h 20 min |
| December 31 | 34°F | 21°F | 42% | 20% | 9 h 20 min |
- Normal high
- 38°FDecember average
- Normal low
- 24°FDecember average
- Precipitation
- 2.47 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 7.6 inmonth total
- Nights at 32°F or colder
- 25
- Daylight
- 9 h 30 min to 9 h 20 minDecember 1 to December 31
- Sunshine
- 57%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014827; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Fort Wayne in December?
On a given December day the chance of 0.01 inch or more is 40% on average, highest around December 31 (42%). In all, 2.47 in falls on 12 days of a normal December.
In a normal December in Fort Wayne, 25 nights fall to freezing, 10 days stay below freezing all day and snowfall averages 7.6 inches.
Snow falls on 8 days in a normal December, and an inch or more covers the ground on 8 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014827.
How humid and windy is Fort Wayne in December?
At 3 p.m. the normal temperature is 32°F with 72% relative humidity and a dew point of 24°F; at 6 a.m. it is 26°F with 83% humidity. The wind averages 10.7 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 26°F | 22°F | 83% | 10.1 mph | 25% |
| 9 a.m. | 26°F | 22°F | 83% | 10.3 mph | 22% |
| noon | 30°F | 24°F | 76% | 12.2 mph | 20% |
| 3 p.m. | 32°F | 24°F | 72% | 12.2 mph | – |
| 6 p.m. | 30°F | 24°F | 78% | 10.4 mph | – |
| 9 p.m. | 28°F | 23°F | 81% | 10.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014827. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for December in Fort Wayne?
The warmest December temperature on Fort Wayne's official record (since 1897) is 71°F, on December 2, 1982; the coldest is −18°F, on December 22, 1989. The wettest December brought 7.56 in (1990); the snowiest, 23.0 inches (1914).
The December mean against the 1991-2020 normal of 30.9°F: 2021 38.1°F (+7.2), 2022 30.4°F (−0.5), 2023 39.8°F (+8.9), 2024 33.6°F (+2.7), 2025 27.2°F (−3.7). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 38.1°F | +7.2°F | 4.27 in |
| 2022 | 30.4°F | −0.5°F | 2.57 in |
| 2023 | 39.8°F | +8.9°F | 1.69 in |
| 2024 | 33.6°F | +2.7°F | 3.82 in |
| 2025 | 27.2°F | −3.7°F | 1.46 in |
Source: records: ACIS, NWS threaded record FWAthr; recent months: ACIS, station USW00014827. Records and recent months use complete months only.
How does December in Fort Wayne compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, December normal highs run from 36°F in Angola to 47°F in English; Fort Wayne's is 38°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.