World Resorts Northern Mariana Islands Tinian Weather

Tinian Sea Temperature in December

Average sea water temperature in December:
+83.5°F
Minimum sea water temperature in December: 84.7°F
Maximum sea water temperature in December: 81.3°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 84.0°F.

Monthly sea water temperature in Tinian, °F

Which Northern Mariana Islands resorts have warmest sea in December?

Place name December 2025 December 2024
Rota 84.6°F 84.4°F
Tinian 84.4°F 84.1°F
Saipan 84.4°F 84.0°F
Susupe 84.4°F 84.0°F
Guam 83.7°F 84.2°F

Best time for vacation in Tinian

Sunniest months:
July 5 days
September 4 days
August 4 days
Warmest months:
July 87.0 °F
August 86.9 °F
June 86.8 °F
Warmest sea temp:
August 85.5 °F
September 85.4 °F
July 85.4 °F
Coldest months:
February 82.1 °F
January 82.9 °F
March 82.9 °F
Rainiest months:
October 14 days
August 13 days
September 13 days
Windiest months:
December 19.5 mph
February 19.1 mph
January 18.5 mph

Tinian on a weather map

Current weather
19:26
Tinian
+82°F
SW 17 mph
Feels like: +90°F
Precip.: 0%
Places in Northern Mariana Islands:
Name
°F
Guam
+82°F
Rota
+82°F
Saipan
+82°F
Susupe
+82°F
Tinian
+82°F
24 Hours Forecast
Tinian
Local time: 19:26
December 18, thursday
2100
82°F
W
19 mph
December 19, friday
0000
82°F
W
17 mph
0300
82°F
SW
16 mph
0600
82°F
SW
17 mph
0900
82°F
W
19 mph
1200
82°F
W
17 mph
1500
82°F
W
17 mph
1800
82°F
W
19 mph
Units of measurement: °C / °F