World Resorts USA Islamorada Weather

Islamorada weather in January

Weather in Islamorada: January

Average day temperature: 70.8°F
Average night temperature: 68.5°F
Sea water temperature: 73.7°F
Number of sunny days: 9 days
Day length: 10.6 - 11.0 hours
Number of rainy days: 0 days
Precipitation totals: 0.3 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 73°F. At the same time the lowest night temperature was 56°F. Day and night temperature averages during January were 66.1°F and 65.3°F.

Sea water temperature in Islamorada in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
63
66
69
72
75
78
81

The average sea water temperature in January of 2025 was 71.3°F. The highest and lowest sea temperatures during the month were 75.7°F and 67.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
29%
39%
32%

Number of sunny, partly cloudy and cloudy days in January is almost equal.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.7
2.1
2.6
3.0
1.2
2.5
1.8
1.8
2.4
1.3
1.2
2.5
1.8
1.8
2.4
1.3

Precipitation total value in Islamorada in January is 0.3 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.4
4.9
7.3
9.7
12.2
14.6
17.0
12.8
14.2
13.1
9.9
10.9
10.1
10.6
11.4
13.1
13.9
12.8
12.8
14.2
13.1
9.9
10.9
10.1
10.6
11.4
13.1
13.9
12.8
12.2

The average wind speed value in January is 12.2 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.4
6.7
8.0
9.4
10.7
5.7
5.8
5.9
6.3
6.0
6.6
6.1
7.8
7.5
7.3
6.6
5.7
5.8
5.9
6.3
6.0
6.6
6.1
7.8
7.5
7.3
6.6
6.0

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 6.0.

Best time for vacation in Islamorada

Sunniest months:
April 10 days
January 9 days
February 9 days
Warmest months:
July 85.1 °F
August 84.9 °F
September 84.5 °F
Warmest sea temp:
August 87.4 °F
July 87.3 °F
September 86.7 °F
Coldest months:
January 70.8 °F
December 72.5 °F
February 73.3 °F
Rainiest months:
June 4 days
July 3 days
September 3 days
Windiest months:
November 14.2 mph
March 13.9 mph
October 13.1 mph

Islamorada on a weather map

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24 Hours Forecast
Islamorada
Local time: 19:10
February 18, tuesday
2100
72°F
W
7 mph
February 19, wednesday
0000
72°F
W
9 mph
0300
72°F
W
10 mph
0600
72°F
NW
11 mph
0900
72°F
NW
11 mph
1200
73°F
NW
9 mph
1500
73°F
N
11 mph
1800
73°F
NE
6 mph
Units of measurement: °C / °F