World Resorts USA Siesta Key Weather

Siesta Key Sea Temperature in January

Average sea water temperature in January:
+64.6°F
Minimum sea water temperature in January: 72.3°F
Maximum sea water temperature in January: 55.4°F

Daily sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 61.5°F. The highest and lowest sea temperatures during the month were 68.5°F and 55.4°F.

Monthly sea water temperature in Siesta Key, °F

Which USA resorts have warmest sea in January?

Place name January 2025 January 2024
Kailua Kona 78.2°F 77.6°F
Honolulu 77.6°F 76.6°F
Hawaii 77.5°F 76.5°F
Maui 76.9°F 76.8°F
Oahu 76.5°F 75.6°F
West Palm Beach 75.5°F 76.5°F
Fort Lauderdale 75.1°F 75.9°F
Kauai 75.0°F 76.0°F
Miami Beach 73.1°F 74.8°F
Islamorada 71.3°F 74.0°F
Key Largo 71.1°F 73.8°F
Miami 70.7°F 73.1°F
Key West 70.3°F 72.7°F
Everglades 68.6°F 71.6°F
South Padre Island 66.7°F 64.8°F
Marco Island 65.2°F 67.2°F
Naples 64.7°F 66.8°F
Sanibel Island 63.7°F 65.6°F
Fort Walton Beach 61.8°F 58.9°F
Corpus Christi 61.6°F 60.3°F

Best time for vacation in Siesta Key

Sunniest months:
March 20 days
May 18 days
April 17 days
Warmest months:
July 88.1 °F
August 88.0 °F
June 86.3 °F
Warmest sea temp:
August 87.6 °F
July 87.1 °F
September 85.8 °F
Coldest months:
January 66.6 °F
February 71.0 °F
December 71.1 °F
Rainiest months:
June 5 days
July 4 days
September 3 days
Windiest months:
November 10.5 mph
January 10.4 mph
October 10.4 mph

Siesta Key on a weather map

Siesta Key
+59°F
N 2 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+54°F
+73°F
+73°F
+41°F
+52°F
+64°F
+70°F
+66°F
+37°F
+48°F
+45°F
+59°F
+59°F
+45°F
+21°F
24 Hours Forecast
Siesta Key
Local time: 09:50
December 29, monday
1200
72°F
NE
6 mph
1500
75°F
E
10 mph
1800
72°F
E
9 mph
2100
66°F
E
7 mph
December 30, tuesday
0000
68°F
SE
13 mph
0300
66°F
S
17 mph
0600
63°F
S
16 mph
0900
61°F
S
13 mph
Units of measurement: °C / °F