Miami weather in December: Miami, Florida: normal highs, lows, rain and records for December
Miami in December has a normal high of 78°F and a normal low of 64°F, a daily mean of 71°F, falling from 80°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 8 days in a normal December, 2.44 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 18°C, 62 mm of precipitation in December.
- NOAA stationMiami International Airport
- Station IDUSW00012839
- Location25.79°N 80.32°W
- Elevation29 ft (9 m)
- From the center7 miles
- Population487,014
- Jan 76° 61°
- Feb 78° 63°
- Mar 81° 66°
- Apr 84° 70°
- May 87° 73°
- Jun 89° 76°
- Jul 91° 78°
- Aug 91° 78°
- Sep 89° 77°
- Oct 86° 74°
- Nov 81° 68°
- Dec 78° 64°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Miami in December?
The normal high is 78°F and the normal low 64°F, for a daily mean of 71.2°F. December is 3.6°F cooler than November and 2.6°F warmer than January. December is the 10th warmest month of the year in Miami and the 10th wettest. Across the month the normal high falls 3°F, from 80°F on December 1 to 77°F on December 31. From one year to the next December's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 68°F and 74°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 80°F | 66°F | 27% | 14% |
| December 8 | 79°F | 66°F | 27% | 13% |
| December 15 | 78°F | 65°F | 27% | 12% |
| December 22 | 78°F | 64°F | 26% | 12% |
| December 31 | 77°F | 62°F | 26% | 12% |
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 | 80°F | 66°F | 27% | 14% | 10 h 40 min |
| December 2 | 80°F | 66°F | 27% | 14% | 10 h 40 min |
| December 3 | 80°F | 66°F | 27% | 14% | 10 h 40 min |
| December 4 | 79°F | 66°F | 27% | 13% | 10 h 40 min |
| December 5 | 79°F | 66°F | 27% | 13% | 10 h 40 min |
| December 6 | 79°F | 66°F | 27% | 13% | 10 h 40 min |
| December 7 | 79°F | 66°F | 27% | 13% | 10 h 40 min |
| December 8 | 79°F | 66°F | 27% | 13% | 10 h 40 min |
| December 9 | 79°F | 65°F | 27% | 13% | 10 h 30 min |
| December 10 | 79°F | 65°F | 27% | 13% | 10 h 30 min |
| December 11 | 79°F | 65°F | 27% | 13% | 10 h 30 min |
| December 12 | 79°F | 65°F | 27% | 13% | 10 h 30 min |
| December 13 | 79°F | 65°F | 27% | 13% | 10 h 30 min |
| December 14 | 78°F | 65°F | 27% | 13% | 10 h 30 min |
| December 15 | 78°F | 65°F | 27% | 12% | 10 h 30 min |
| December 16 | 78°F | 64°F | 27% | 12% | 10 h 30 min |
| December 17 | 78°F | 64°F | 26% | 12% | 10 h 30 min |
| December 18 | 78°F | 64°F | 26% | 12% | 10 h 30 min |
| December 19 | 78°F | 64°F | 26% | 12% | 10 h 30 min |
| December 20 | 78°F | 64°F | 26% | 12% | 10 h 30 min |
| December 21 | 78°F | 64°F | 26% | 12% | 10 h 30 min |
| December 22 | 78°F | 64°F | 26% | 12% | 10 h 30 min |
| December 23 | 78°F | 63°F | 26% | 12% | 10 h 30 min |
| December 24 | 77°F | 63°F | 26% | 12% | 10 h 30 min |
| December 25 | 77°F | 63°F | 26% | 12% | 10 h 30 min |
| December 26 | 77°F | 63°F | 26% | 12% | 10 h 30 min |
| December 27 | 77°F | 63°F | 26% | 12% | 10 h 30 min |
| December 28 | 77°F | 63°F | 26% | 12% | 10 h 30 min |
| December 29 | 77°F | 62°F | 26% | 12% | 10 h 30 min |
| December 30 | 77°F | 62°F | 26% | 12% | 10 h 30 min |
| December 31 | 77°F | 62°F | 26% | 12% | 10 h 30 min |
- Normal high
- 78°FDecember average
- Normal low
- 64°FDecember average
- Precipitation
- 2.44 inmonth total
- Days with precipitation
- 80.01 inch or more
- Daylight
- 10 h 40 min to 10 h 30 minDecember 1 to December 31
- Days at 70°F or more
- 28
- Days at 80°F or more
- 17
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012839; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Miami in December?
On a given December day the chance of 0.01 inch or more is 27% on average, highest around December 1 (27%). In all, 2.44 in falls on 8 days of a normal December, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012839.
How humid and windy is Miami in December?
At 3 p.m. the normal temperature is 75°F with 59% relative humidity and a dew point of 60°F; at 6 a.m. it is 65°F with 84% humidity. The wind averages 8.0 mph, most often from the east in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 65°F | 60°F | 84% | 5.7 mph | 49% |
| 9 a.m. | 69°F | 61°F | 75% | 7.9 mph | 30% |
| noon | 74°F | 60°F | 62% | 10.9 mph | 20% |
| 3 p.m. | 75°F | 60°F | 59% | 11.1 mph | 20% |
| 6 p.m. | 72°F | 61°F | 69% | 8.7 mph | 25% |
| 9 p.m. | 69°F | 61°F | 75% | 7.1 mph | 43% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012839. 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 Miami?
The warmest December temperature on Miami's official record (since 1895) is 89°F, on December 13, 1900; the coldest is 30°F, on December 12, 1934. The wettest December brought 12.08 in (1905).
The December mean against the 1991-2020 normal of 71.2°F: 2021 74.5°F (+3.3), 2022 72.3°F (+1.1), 2023 71.2°F (at normal), 2024 71.7°F (+0.5), 2025 73.3°F (+2.1). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.5°F | +3.3°F | 1.19 in |
| 2022 | 72.3°F | +1.1°F | 1.73 in |
| 2023 | 71.2°F | at normal | 3.85 in |
| 2024 | 71.7°F | +0.5°F | 1.18 in |
| 2025 | 73.3°F | +2.1°F | 0.72 in |
Source: records: ACIS, NWS threaded record MIAthr; recent months: ACIS, station USW00012839. Records and recent months use complete months only.
How does December in Miami compare across Florida?
Across the 106 places PlainClimate covers in Florida, December normal highs run from 63°F in Milton to 80°F in Everglades; Miami's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.