Richmond weather in December: Richmond, Indiana: normal highs, lows, rain and records for December
Richmond in December has a normal high of 40°F and a normal low of 25°F, a daily mean of 33°F, falling from 45°F on the 1st to 37°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 3.10 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 5°C and low of −4°C, 79 mm of precipitation in December.
- NOAA stationRichmond Water Works
- Station IDUSC00127370
- Location39.85°N 84.88°W
- Elevation1,005 ft (306 m)
- From the center2 miles
- Population35,561
- Jan 36° 20°
- Feb 40° 22°
- Mar 51° 31°
- Apr 64° 41°
- May 74° 52°
- Jun 82° 60°
- Jul 85° 64°
- Aug 84° 62°
- Sep 78° 54°
- Oct 66° 43°
- Nov 52° 33°
- Dec 40° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Richmond in December?
The normal high is 40°F and the normal low 25°F, for a daily mean of 32.6°F. December is 9.6°F cooler than November and 4.7°F warmer than January. December is the 10th warmest month of the year in Richmond and the 11th wettest. Across the month the normal high falls 8°F, from 45°F on December 1 to 37°F on December 31. From one year to the next December's mean temperature typically moves about 5.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 27°F and 38°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 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 45°F | 28°F | 36% | 21% |
| December 8 | 42°F | 26°F | 38% | 21% |
| December 15 | 40°F | 25°F | 39% | 22% |
| December 22 | 39°F | 23°F | 40% | 22% |
| December 31 | 37°F | 22°F | 41% | 22% |
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 | 45°F | 28°F | 36% | 21% | 9 h 30 min |
| December 2 | 45°F | 28°F | 37% | 21% | 9 h 30 min |
| December 3 | 44°F | 28°F | 37% | 21% | 9 h 30 min |
| December 4 | 44°F | 27°F | 37% | 21% | 9 h 30 min |
| December 5 | 43°F | 27°F | 37% | 21% | 9 h 30 min |
| December 6 | 43°F | 27°F | 38% | 21% | 9 h 30 min |
| December 7 | 43°F | 27°F | 38% | 21% | 9 h 30 min |
| December 8 | 42°F | 26°F | 38% | 21% | 9 h 30 min |
| December 9 | 42°F | 26°F | 38% | 21% | 9 h 30 min |
| December 10 | 42°F | 26°F | 39% | 21% | 9 h 30 min |
| December 11 | 42°F | 26°F | 39% | 22% | 9 h 20 min |
| December 12 | 41°F | 26°F | 39% | 22% | 9 h 20 min |
| December 13 | 41°F | 25°F | 39% | 22% | 9 h 20 min |
| December 14 | 41°F | 25°F | 39% | 22% | 9 h 20 min |
| December 15 | 40°F | 25°F | 39% | 22% | 9 h 20 min |
| December 16 | 40°F | 25°F | 40% | 22% | 9 h 20 min |
| December 17 | 40°F | 24°F | 40% | 22% | 9 h 20 min |
| December 18 | 40°F | 24°F | 40% | 22% | 9 h 20 min |
| December 19 | 39°F | 24°F | 40% | 22% | 9 h 20 min |
| December 20 | 39°F | 24°F | 40% | 22% | 9 h 20 min |
| December 21 | 39°F | 24°F | 40% | 22% | 9 h 20 min |
| December 22 | 39°F | 23°F | 40% | 22% | 9 h 20 min |
| December 23 | 38°F | 23°F | 40% | 22% | 9 h 20 min |
| December 24 | 38°F | 23°F | 40% | 22% | 9 h 20 min |
| December 25 | 38°F | 23°F | 40% | 22% | 9 h 20 min |
| December 26 | 38°F | 23°F | 40% | 22% | 9 h 20 min |
| December 27 | 38°F | 23°F | 40% | 22% | 9 h 20 min |
| December 28 | 38°F | 22°F | 41% | 22% | 9 h 20 min |
| December 29 | 37°F | 22°F | 41% | 22% | 9 h 20 min |
| December 30 | 37°F | 22°F | 41% | 22% | 9 h 20 min |
| December 31 | 37°F | 22°F | 41% | 22% | 9 h 20 min |
- Normal high
- 40°FDecember average
- Normal low
- 25°FDecember average
- Precipitation
- 3.10 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 24
- Daylight
- 9 h 30 min to 9 h 20 minDecember 1 to December 31
- Sunshine
- 58%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00127370; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Richmond in December?
On a given December day the chance of 0.01 inch or more is 39% on average, highest around December 31 (41%). In all, 3.10 in falls on 12 days of a normal December, 1 of them with an inch or more.
In a normal December in Richmond, 24 nights fall to freezing and 8 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00127370.
What are the records for December in Richmond?
The warmest December temperature on this station's record (since 1968) is 72°F, on December 2, 1982; the coldest is −22°F, on December 22, 1989. The wettest December brought 8.28 in (1990); the snowiest, 13.9 inches (1973).
The December mean against the 1991-2020 normal of 32.6°F: 2021 39.3°F (+6.7), 2022 30.9°F (−1.7), 2023 38.5°F (+5.9), 2024 33.9°F (+1.3), 2025 29.4°F (−3.2). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 39.3°F | +6.7°F | 4.73 in |
| 2022 | 30.9°F | −1.7°F | 1.65 in |
| 2023 | 38.5°F | +5.9°F | 1.66 in |
| 2024 | 33.9°F | +1.3°F | 4.29 in |
| 2025 | 29.4°F | −3.2°F | 1.84 in |
Source: records: ACIS, station USC00127370; recent months: ACIS, station USC00127370. Records and recent months use complete months only.
How does December in Richmond 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; Richmond's is 40°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.