Wintertime warmth can melt away any remaining January chill on St. Martin and Sint Maarten. This dual island experiences relatively warm temperatures in the height of tourist season, with highs in the mid-80s, though the lows are some of the most wintery temperatures St. Martin offers. Still, afternoon showers are no stranger in January.

Typical Weather in January

January temperatures in St. Martin range from an average low of 75.0 degrees to an average high of 83.0 degrees

St. Martin in January: Key Facts

Monthly Averages High Low Rainfall (inches) No. of Days with Rain 83.0° F 75.0° F 2.9 N.A.

During the early morning hours of an average January day in St. Martin, you can expect the temperature will be in the vicinity of 76.8 degrees. In January, temperatures typically rise to around 82.0 degrees by early afternoon. By early evening, temperatures in St. Martin generally decline to around 76.9 degrees. Temperatures in St. Martin average around 78.6 degrees during January.

January Temperatures in St. Martin by Time of Day

Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall 76.8° F 81.1° F 82.0° F 79.6° F 76.9° F 78.6° F

Rain

Rain is least likely to occur in St. Martin during January around 1:00 PM, and it is most likely to occur around 1:00 AM. To the extent thunderstorms occur in St. Martin during January, they are most likely to occur around 1:00 AM, as shown in the following table.

January Rainfall in St. Martin by Time of Day

Percent Frequencies of Hourly Observations Hour Rain and/or Drizzle Thunder- storms 1:00 AM 26.5 % 0.6 % 4:00 AM 18.8 % 0 % 7:00 AM 24.5 % 0 % 10:00 AM 19.8 % 0 % 1:00 PM 13.1 % 0.2 % 4:00 PM 15.4 % 0 % 7:00 PM 14.5 % 0.2 % 10:00 PM 21.1 % 0 % ALL 18.5 % 0.1 %