Annual mean 25°C · wettest around June · prevailing wind E
Warmest
29.8 °C
Coldest
21.6 °C
Wettest
25%
Windiest
2.3 m/s
Prevailing
E
1.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Key Largo over the whole year is 25°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 19°C. The rainy (wet) season in Key Largo runs from May to October, peaking in June with a 25% chance of rain on a given day. The dry season is November to April; March is the driest month, at 9%. Winds in Key Largo are highest in January, averaging 1.9 m/s (7 km/h), and lightest in June, at 1.2 m/s (4 km/h). The prevailing wind is from the E. The clearest skies in Key Largo come in July, when the sky is typically 31% covered; October is the cloudiest month, at 40%.
Month by month Key Largo climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
22°C
19°C
21°C
14%
40%
1.9 m/s
70
31
50
February
24°C
22°C
24°C
13%
37%
1.7 m/s
66
50
32
March
24°C
21°C
25°C
9%
33%
1.8 m/s
64
50
32
April
26°C
23°C
27°C
11%
36%
1.8 m/s
52
62
17
May
27°C
25°C
30°C
17%
35%
1.7 m/s
24
67
5
June
29°C
27°C
33°C
25%
37%
1.2 m/s
6
50
0
July
30°C
28°C
34°C
23%
31%
1.2 m/s
2
37
0
August
30°C
28°C
34°C
24%
32%
1.3 m/s
2
35
0
September
29°C
27°C
33°C
25%
33%
1.3 m/s
4
42
0
October
28°C
26°C
30°C
22%
40%
1.9 m/s
21
61
5
November
26°C
24°C
27°C
14%
39%
1.7 m/s
51
61
19
December
23°C
21°C
24°C
15%
37%
1.7 m/s
63
48
34
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Key Largo weather by season
Year round, Key Largo has days of about 22°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 19°C to 28°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around June and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Key Largo weather in winterDecember to February
High 23°CLow 21°CRain 14%
Winter in Key Largo has typical daily highs of about 23°C and lows of about 21°C, with a 14% chance of rain on a given day.
Key Largo weather in springMarch to May
High 25°CLow 23°CRain 13%
Spring in Key Largo has typical daily highs of about 25°C and lows of about 23°C, with a 13% chance of rain on a given day.
Key Largo weather in summerJune to August
High 29°CLow 28°CRain 24%
Summer in Key Largo has typical daily highs of about 29°C and lows of about 28°C, with a 24% chance of rain on a given day.
Key Largo weather in autumnSeptember to November
High 28°CLow 26°CRain 20%
Autumn in Key Largo has typical daily highs of about 28°C and lows of about 26°C, with a 20% chance of rain on a given day.
When is the rainy season in Key Largo?
The rainy (wet) season in Key Largo runs from May to October, peaking in June with a 25% chance of rain on a given day. The dry season is November to April; March is the driest month, at 9%.
What time of year is Key Largo windiest?
Winds in Key Largo are highest in January, averaging 1.9 m/s (7 km/h), and lightest in June, at 1.2 m/s (4 km/h). The prevailing wind is from the E.
What is the average temperature in Key Largo year round?
The average temperature in Key Largo over the whole year is 25°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 19°C.