16-Day Forecast
Today
7 Sept
28°C
Daytime High
29.5°C sea
25°C
Overnight Low
☀☀☀☀☀
12h sun
3.3mm rain
Tue
8 Sept
27°C
Daytime High
29.4°C sea
26°C
Overnight Low
☀☀☀☀☀
12h sun
1.1mm rain
Wed
9 Sept
27°C
Daytime High
29.4°C sea
24°C
Overnight Low
☀☀☀☀☀
11h sun
5.4mm rain
Thu
10 Sept
28°C
Daytime High
29.3°C sea
24°C
Overnight Low
☀☀☀☀☀
12h sun
6mm rain
Fri
11 Sept
28°C
Daytime High
29.3°C sea
24°C
Overnight Low
☀☀☀☀☀
12h sun
4.2mm rain
Sat
12 Sept
27°C
Daytime High
29.3°C sea
27°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.6mm rain
Sun
13 Sept
28°C
Daytime High
29.4°C sea
27°C
Overnight Low
☀☀☀☀☀
11.9h sun
1.8mm rain
Mon
14 Sept
27°C
Daytime High
29.6°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.3mm rain
Tue
15 Sept
27°C
Daytime High
29.5°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.9mm rain
Wed
16 Sept
27°C
Daytime High
~30.2°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.3mm rain
Thu
17 Sept
28°C
Daytime High
~30.2°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
4.8mm rain
Fri
18 Sept
28°C
Daytime High
~30.2°C sea
27°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.9mm rain
Sat
19 Sept
27°C
Daytime High
~30.2°C sea
27°C
Overnight Low
☀☀☀☀☀
11.9h sun
Sun
20 Sept
28°C
Daytime High
~30.2°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
2.1mm rain
Mon
21 Sept
27°C
Daytime High
~30.2°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
2.1mm rain
Tue
22 Sept
27°C
Daytime High
~30.2°C sea
26°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.9mm rain
☀ = sunshine score · °C high / low · hours of sunshine shown below
About St Maarten
St Maarten in the Caribbean is a sun-seeker's paradise that perfectly balances tropical warmth with cultural richness, making it an ideal choice for families, couples, and anyone craving a genuine escape from grey skies. This dual-nation island, shared between the Dutch Sint Maarten and French Saint-Martin, offers the best of both worlds with world-class beaches, water sports, and an intoxicating blend of Caribbean, French, and Dutch influences that sets it apart from other tropical destinations.
When it comes to the climate in St Maarten, you're looking at consistently warm temperatures year-round, with average highs of 28°C during the peak summer months and a balmy 26°C in winter. The sea temperature reaches a delightful 30°C at its warmest, making the Caribbean waters as inviting as a heated swimming pool. To put this in perspective, St Maarten enjoys a climate similar to the Canary Islands but with more consistent humidity and tropical rainfall patterns. The island benefits from the cooling trade winds that sweep across the Caribbean, preventing the heat from ever feeling oppressive despite the tropical location.
The best time to visit St Maarten typically falls during the driest months from December through April, when you'll experience the most sunshine and lowest rainfall, though the island remains beautifully warm year-round. If you prefer even hotter temperatures and don't mind occasional rain showers, the summer months of June through September offer intense sunshine and smaller crowds, with the trade winds keeping the holiday weather pleasant despite the higher temperatures.
Beyond the beaches, St Maarten in the Caribbean delivers unforgettable experiences. Explore the colourful streets of Philipsburg and Marigot, where French and Dutch architecture creates a unique aesthetic, or venture to Grand Case for exceptional seafood restaurants that have earned international recognition. Adventure seekers will love the water sports opportunities including snorkeling, windsurfing, and catamaran excursions, while families appreciate the sheltered beaches and family-friendly attractions scattered throughout both sides of the island.
Getting to St Maarten is straightforward with direct flights available from major cities across the United States, making it an accessible Caribbean destination for North American travelers. Once you arrive at Princess Juliana International Airport, you'll find the island compact and easy to navigate, with excellent roads and local transportation options connecting you to beaches, restaurants, and attractions throughout this remarkable holiday destination.
Typical rainfall & humidity in St Maarten
Jan
42.5mm · 74%
Feb
62.3mm · 74%
Mar
21.6mm · 73%
Apr
64mm · 76%
May
79.5mm · 77%
Jun
47.4mm · 77%
Jul
65.7mm · 77%
Aug
109.5mm · 78%
Sep
86.5mm · 76%
Oct
149.8mm · 76%
Nov
104.2mm · 75%
Dec
36.3mm · 72%
Average monthly rainfall and relative humidity, based on the last 3 years of historical data.
