18.12
thu
thu
Day
82°F
W 19 mph
Precip.
66%
66%
Night
82°F
SW 19 mph
Precip.
78%
78%
19.12
fri
fri
Day
82°F
SW 19 mph
Precip.
79%
79%
Night
82°F
W 22 mph
Precip.
100%
100%
20.12
sat
sat
Day
82°F
W 24 mph
Precip.
100%
100%
Night
82°F
W 28 mph
Precip.
100%
100%
21.12
sun
sun
Day
82°F
W 24 mph
Precip.
80%
80%
Night
82°F
W 24 mph
Precip.
100%
100%
22.12
mon
mon
Day
82°F
W 22 mph
Precip.
75%
75%
Night
81°F
W 21 mph
Precip.
100%
100%
23.12
tue
tue
Day
82°F
W 17 mph
Precip.
85%
85%
Night
82°F
W 16 mph
Precip.
24%
24%
24.12
wed
wed
Day
82°F
NW 9 mph
Precip.
100%
100%
Night
82°F
W 4 mph
Precip.
66%
66%
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.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 83.6°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.9°F.
Air temperature in Tinian, °F
Precipitation total in Tinian, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tinian
Tinian on a weather map
Places in Northern Mariana Islands:
Name
°F
24 Hours Forecast
Tinian
Local time: 07:37
December 18, thursday
0900
82°F
W
19 mph
19 mph
1200
82°F
W
19 mph
19 mph
1500
82°F
W
17 mph
17 mph
1800
82°F
SW
17 mph
17 mph
2100
82°F
SW
17 mph
17 mph
December 19, friday
0000
82°F
SW
19 mph
19 mph
0300
82°F
SW
19 mph
19 mph
0600
82°F
SW
19 mph
19 mph
