International Falls weather in December: International Falls, Minnesota: normal highs, lows, rain and records for December
International Falls in December has a normal high of 21°F and a normal low of 3°F, a daily mean of 12°F, falling from 26°F on the 1st to 17°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 0.99 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −6°C and low of −16°C, 25 mm of precipitation and 40 cm of snow in December.
- NOAA stationInternational Falls International Airport
- Station IDUSW00014918
- Location48.56°N 93.40°W
- Elevation1,183 ft (361 m)
- Population5,498
- Jan 16° -6°
- Feb 22° -3°
- Mar 35° 12°
- Apr 50° 26°
- May 64° 38°
- Jun 74° 48°
- Jul 78° 52°
- Aug 76° 50°
- Sep 66° 42°
- Oct 51° 31°
- Nov 34° 18°
- Dec 21° 3°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is International Falls in December?
The normal high is 21°F and the normal low 3°F, for a daily mean of 11.8°F. December is 14.5°F cooler than November and 6.8°F warmer than January. December is the 10th warmest month of the year in International Falls and the 10th wettest, and the snowiest. Across the month the normal high falls 9°F, from 26°F on December 1 to 17°F on December 31. From one year to the next December's mean temperature typically moves about 6.6°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 5°F and 18°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 26°F | 10°F | 34% | 10% |
| December 8 | 23°F | 6°F | 34% | 10% |
| December 15 | 21°F | 3°F | 35% | 10% |
| December 22 | 19°F | 0°F | 35% | 10% |
| December 31 | 17°F | −3°F | 35% | 10% |
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 | 26°F | 10°F | 34% | 10% | 8 h 40 min |
| December 2 | 26°F | 9°F | 34% | 10% | 8 h 40 min |
| December 3 | 26°F | 9°F | 34% | 10% | 8 h 30 min |
| December 4 | 25°F | 8°F | 34% | 10% | 8 h 30 min |
| December 5 | 25°F | 8°F | 34% | 10% | 8 h 30 min |
| December 6 | 24°F | 7°F | 34% | 10% | 8 h 30 min |
| December 7 | 24°F | 7°F | 34% | 10% | 8 h 30 min |
| December 8 | 23°F | 6°F | 34% | 10% | 8 h 30 min |
| December 9 | 23°F | 6°F | 34% | 10% | 8 h 30 min |
| December 10 | 23°F | 5°F | 34% | 10% | 8 h 20 min |
| December 11 | 22°F | 5°F | 34% | 10% | 8 h 20 min |
| December 12 | 22°F | 4°F | 34% | 10% | 8 h 20 min |
| December 13 | 21°F | 4°F | 35% | 10% | 8 h 20 min |
| December 14 | 21°F | 3°F | 35% | 10% | 8 h 20 min |
| December 15 | 21°F | 3°F | 35% | 10% | 8 h 20 min |
| December 16 | 20°F | 2°F | 35% | 10% | 8 h 20 min |
| December 17 | 20°F | 2°F | 35% | 10% | 8 h 20 min |
| December 18 | 20°F | 2°F | 35% | 10% | 8 h 20 min |
| December 19 | 20°F | 1°F | 35% | 10% | 8 h 20 min |
| December 20 | 19°F | 1°F | 35% | 10% | 8 h 20 min |
| December 21 | 19°F | 0°F | 35% | 10% | 8 h 20 min |
| December 22 | 19°F | 0°F | 35% | 10% | 8 h 20 min |
| December 23 | 18°F | 0°F | 35% | 10% | 8 h 20 min |
| December 24 | 18°F | −1°F | 35% | 10% | 8 h 20 min |
| December 25 | 18°F | −1°F | 35% | 10% | 8 h 20 min |
| December 26 | 18°F | −1°F | 35% | 10% | 8 h 20 min |
| December 27 | 17°F | −2°F | 35% | 10% | 8 h 20 min |
| December 28 | 17°F | −2°F | 35% | 10% | 8 h 20 min |
| December 29 | 17°F | −2°F | 35% | 10% | 8 h 20 min |
| December 30 | 17°F | −3°F | 35% | 10% | 8 h 20 min |
| December 31 | 17°F | −3°F | 35% | 10% | 8 h 20 min |
- Normal high
- 21°FDecember average
- Normal low
- 3°FDecember average
- Precipitation
- 0.99 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 15.8 inmonth total
- Nights at 32°F or colder
- 31
- Daylight
- 8 h 40 min to 8 h 20 minDecember 1 to December 31
- Sunshine
- 56%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014918; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in International Falls in December?
On a given December day the chance of 0.01 inch or more is 35% on average, highest around December 20 (35%). In all, 0.99 in falls on 11 days of a normal December.
In a normal December in International Falls, 31 nights fall to freezing, 25 days stay below freezing all day and snowfall averages 15.8 inches.
Snow falls on 13 days in a normal December, and an inch or more covers the ground on 27 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014918.
How humid and windy is International Falls in December?
At 3 p.m. the normal temperature is 14°F with 71% relative humidity and a dew point of 6°F; at 6 a.m. it is 4°F with 87% humidity. The wind averages 7.3 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 4°F | 2°F | 87% | 6.7 mph | 39% |
| 9 a.m. | 5°F | 1°F | 86% | 6.8 mph | 38% |
| noon | 11°F | 5°F | 75% | 8.4 mph | 41% |
| 3 p.m. | 14°F | 6°F | 71% | 8.7 mph | 42% |
| 6 p.m. | 10°F | 4°F | 78% | 7.1 mph | 42% |
| 9 p.m. | 8°F | 3°F | 81% | 7.0 mph | 42% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014918. 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 International Falls?
The warmest December temperature on International Falls's official record (since 1897) is 56°F, on December 3, 1962; the coldest is −41°F, on December 19, 1955. The wettest December brought 2.19 in (2016); the snowiest, 43.9 inches (1992).
The December mean against the 1991-2020 normal of 11.8°F: 2021 13.4°F (+1.6), 2023 27.7°F (+15.9), 2024 16.6°F (+4.8), 2025 7.2°F (−4.6). 3 of 4 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 13.4°F | +1.6°F | 1.85 in |
| 2023 | 27.7°F | +15.9°F | 1.21 in |
| 2024 | 16.6°F | +4.8°F | 0.92 in |
| 2025 | 7.2°F | −4.6°F | 0.93 in |
Source: records: ACIS, NWS threaded record INLthr; recent months: ACIS, station USW00014918. Records and recent months use complete months only.
How does December in International Falls compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, December normal highs run from 19°F in Hallock to 32°F in Winona; International Falls's is 21°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- International Falls in November34°F by day, 18°F at night
- International Falls in January16°F by day, −6°F at night
- International Falls through the yearEvery month, frost dates, records and recent years
- Minnesota in DecemberThe statewide normal and the warmest and coolest places
- Winona: Minnesota's warmest Decembernormal high 32°F