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Climate · Sea Island

Sea Island in January

Mild and mostly dry, as the days lengthen.

Typical weather, averaged over 30 years

January in Sea Island is mild: highs near 64°F, lows near 49°F. Rain falls on about two days a week, and the days lengthen by 20 minutes from the first week to the last.January in Sea Island is mild: highs near 18°C, lows near 9°C. Rain falls on about two days a week, and the days lengthen by 20 minutes from the first week to the last.

High
64°F18°Caverage
Low
49°F9°Caverage
Wet days
2a week · 27% of days
Daylight
10h 22mon average

Is January a good time to visit Sea Island?

January sits outside Sea Island's best months, which run in two parts: March to April, or November. Expect mild days and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How January sits in the year

week by week

Temperature

Highs near 64°F in January, against 64°F to 90°F through the year.Highs near 18°C in January, against 18°C to 32°C through the year.

Chance of a wet day

27% of days in January, against 23% to 67% through the year.

Cloud cover

46% cover in January, against 38% to 58% through the year.

Daylight

10h 22m in January, against 10h 09m to 14h 08m through the year.

Week by week, lightly smoothed, with January shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. December67°19°low 52°low 11°2 wet days a weekRain on about two days a week.
  2. January64°18°low 49°low 9°2 wet days a weekRain on about two days a week.
  3. February65°18°low 50°low 10°2 wet days a weekRain on about two days a week.

Where Sea Island sits, in January

America/New York
this place
typical high in January 40°F4°C95°F35°C
Sunrise, mid-January
7:24 AMsets 5:44 PM
Above the sea
0 mlow-lying
Latitude
31.2°Nnorthern hemisphere
Nearest of ours
Bluffton126 km north

The land around Sea Island, shaded by its typical high in January, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in January

high · low · wet days
See January on the planning mapThe whole year in Sea Island

Typical weather, averaged over 30 years (1995–2024), read 5 km north-west of Sea Island. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.