Lockport weather in December: Lockport, New York: normal highs, lows, rain and records for December
Lockport in December has a normal high of 38°F and a normal low of 24°F, a daily mean of 31°F, falling from 43°F on the 1st to 34°F by the 31st. The month brings 2.92 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 3°C and low of −5°C, 74 mm of precipitation in December.
- NOAA stationLockport (4 mi E)
- Station IDUSC00304844
- Location43.19°N 78.61°W
- Elevation610 ft (186 m)
- From the center5 miles
- Population20,394
- Jan 33° 18°
- Feb 35° 19°
- Mar 44° 26°
- Apr 56° 36°
- May 69° 48°
- Jun 78° 57°
- Jul 82° 61°
- Aug 80° 61°
- Sep 74° 54°
- Oct 61° 43°
- Nov 49° 34°
- 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 Lockport in December?
The normal high is 38°F and the normal low 24°F, for a daily mean of 31.1°F. December is 10.1°F cooler than November and 5.7°F warmer than January. December is the 10th warmest month of the year in Lockport and the 10th wettest. Across the month the normal high falls 9°F, from 43°F on December 1 to 34°F on December 31. From one year to the next December's mean temperature typically moves about 4.3°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 27°F and 35°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 43°F | 29°F | – | – |
| December 8 | 41°F | 26°F | – | – |
| December 15 | 38°F | 24°F | – | – |
| December 22 | 36°F | 22°F | – | – |
| December 31 | 34°F | 20°F | – | – |
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 | 43°F | 29°F | – | – | 9 h 20 min |
| December 2 | 43°F | 29°F | – | – | 9 h 10 min |
| December 3 | 42°F | 28°F | – | – | 9 h 10 min |
| December 4 | 42°F | 28°F | – | – | 9 h 10 min |
| December 5 | 42°F | 27°F | – | – | 9 h 10 min |
| December 6 | 41°F | 27°F | – | – | 9 h 10 min |
| December 7 | 41°F | 27°F | – | – | 9 h 10 min |
| December 8 | 41°F | 26°F | – | – | 9 h 10 min |
| December 9 | 40°F | 26°F | – | – | 9 h 10 min |
| December 10 | 40°F | 26°F | – | – | 9 h |
| December 11 | 40°F | 25°F | – | – | 9 h |
| December 12 | 39°F | 25°F | – | – | 9 h |
| December 13 | 39°F | 25°F | – | – | 9 h |
| December 14 | 39°F | 24°F | – | – | 9 h |
| December 15 | 38°F | 24°F | – | – | 9 h |
| December 16 | 38°F | 24°F | – | – | 9 h |
| December 17 | 38°F | 23°F | – | – | 9 h |
| December 18 | 37°F | 23°F | – | – | 9 h |
| December 19 | 37°F | 23°F | – | – | 9 h |
| December 20 | 37°F | 22°F | – | – | 9 h |
| December 21 | 37°F | 22°F | – | – | 9 h |
| December 22 | 36°F | 22°F | – | – | 9 h |
| December 23 | 36°F | 22°F | – | – | 9 h |
| December 24 | 36°F | 21°F | – | – | 9 h |
| December 25 | 36°F | 21°F | – | – | 9 h |
| December 26 | 35°F | 21°F | – | – | 9 h |
| December 27 | 35°F | 21°F | – | – | 9 h |
| December 28 | 35°F | 20°F | – | – | 9 h |
| December 29 | 35°F | 20°F | – | – | 9 h |
| December 30 | 35°F | 20°F | – | – | 9 h |
| December 31 | 34°F | 20°F | – | – | 9 h |
- Normal high
- 38°FDecember average
- Normal low
- 24°FDecember average
- Precipitation
- 2.92 inmonth total
- Nights at 32°F or colder
- 26
- Daylight
- 9 h 20 min to 9 hDecember 1 to December 31
- Sunshine
- 52%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00304844; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lockport in December?
In a normal December in Lockport, 26 nights fall to freezing and 10 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00304844.
What are the records for December in Lockport?
The warmest December temperature on this station's record (since 1893) is 73°F, on December 3, 1982; the coldest is −12°F, on December 25, 1980. The wettest December brought 7.03 in (1990); the snowiest, 46.0 inches (1985).
The December mean against the 1991-2020 normal of 31.1°F: 2021 36.1°F (+5.0), 2022 31.1°F (at normal), 2023 37.9°F (+6.8), 2024 30.6°F (−0.6), 2025 25.8°F (−5.3). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 36.1°F | +5.0°F | 2.06 in |
| 2022 | 31.1°F | at normal | 4.55 in |
| 2023 | 37.9°F | +6.8°F | 4.29 in |
| 2024 | 30.6°F | −0.6°F | 3.64 in |
| 2025 | 25.8°F | −5.3°F | 3.72 in |
Source: records: ACIS, station USC00304844; recent months: ACIS, station USC00304844. Records and recent months use complete months only.
How does December in Lockport compare across New York?
Across the 131 places PlainClimate covers in New York, December normal highs run from 29°F in Lake Placid to 47°F in Wantagh; Lockport's is 38°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.