As of 02:20 EDT

Key Biscayne, FL weather in January

84°

Key Biscayne, Sunday, 9 August, 02:20

Partly cloudy. Feels like 92°. High 93°, low 82°.

Pressure30.06 inHg

Wind2 mph E

Humidity77%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In January, Key Biscayne, FL averages a high of 73.7° and a low of 64.2°. About 1.9 inches of precipitation fall over the month (8 wet days). The record high is 82.9° (2010) and the record low 37.4° (1985). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	76.1°	67.8°	25%	81.3° (1990)	48.6° (2001)
2	75.6°	67.3°	25%	81.9° (2022)	50° (2008)
3	75°	66.6°	32%	82.2° (2006)	43.3° (2008)
4	73.8°	65.1°	23%	82° (2020)	42.3° (2018)
5	72.9°	63.9°	27%	81° (2023)	43.3° (2018)
6	74.3°	64.8°	22%	80.6° (2014)	43.3° (2010)
7	74.5°	64.6°	25%	82.4° (2017)	47.5° (2010)
8	73.9°	64.6°	25%	80.1° (2019)	42.4° (1970)
9	73.8°	64.6°	23%	80.6° (1997)	42.1° (1970)
10	73.8°	64.2°	38%	79.5° (1972)	37.9° (2010)
11	73.9°	64.8°	33%	79.7° (1972)	40.8° (2010)
12	73.9°	64.9°	30%	81° (2024)	43.7° (1982)
13	73.9°	64.8°	32%	81.7° (2023)	41.2° (1981)
14	73.2°	63.5°	37%	80.4° (2014)	44.6° (1964)
15	73°	63.5°	30%	81° (1971)	42.4° (2023)
16	72.9°	63.5°	22%	79.9° (1987)	46.9° (2023)
17	73°	63.5°	25%	80.2° (1987)	49.3° (1965)
18	73°	63.1°	27%	82° (1960)	42.4° (1965)
19	73.8°	64°	22%	82.4° (1987)	40.8° (1977)
20	73.4°	63.5°	27%	81° (1975)	37.6° (1977)
21	73.2°	63.1°	28%	80.2° (2023)	45.9° (1985)
22	73.2°	63.7°	30%	82.9° (2010)	37.4° (1985)
23	73.6°	63.7°	23%	82.4° (2023)	43.3° (1985)
24	73.2°	63.3°	27%	80.8° (1982)	42.3° (2003)
25	73.4°	63.3°	22%	80.2° (1991)	48.9° (2025)
26	73.6°	63.3°	28%	81.7° (2017)	46.2° (1968)
27	73.8°	64°	27%	81.7° (2021)	46.8° (2000)
28	73.4°	63.3°	20%	82.4° (2024)	42.4° (1986)
29	72.9°	63.3°	22%	80.2° (1991)	46.4° (1986)
30	73.9°	63.1°	15%	81° (1991)	40.1° (2022)
31	74.1°	63.9°	15%	81.5° (1991)	42.3° (1966)