Sint Maarten climate guide

Get the latest coronavirus (Covid-19) updates for Sint Maarten with current travel advice and statistics on new cases per 100,000 and vaccine.

Temperature in Sint Maarten (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
29°C maximum daytime temperature in January in Sint Maarten29
29°C maximum daytime temperature in February in Sint Maarten29
29°C maximum daytime temperature in March in Sint Maarten29
30°C maximum daytime temperature in April in Sint Maarten30
30°C maximum daytime temperature in May in Sint Maarten30
31°C maximum daytime temperature in June in Sint Maarten31
31°C maximum daytime temperature in July in Sint Maarten31
31°C maximum daytime temperature in August in Sint Maarten31
31°C maximum daytime temperature in September in Sint Maarten31
31°C maximum daytime temperature in October in Sint Maarten31
30°C maximum daytime temperature in November in Sint Maarten30
29°C maximum daytime temperature in December in Sint Maarten29
Min temperature (night-time)
23°C minimum night-time temperature in January in Sint Maarten23
23°C minimum night-time temperature in February in Sint Maarten23
23°C minimum night-time temperature in March in Sint Maarten23
24°C minimum night-time temperature in April in Sint Maarten24
24°C minimum night-time temperature in May in Sint Maarten24
25°C minimum night-time temperature in June in Sint Maarten25
25°C minimum night-time temperature in July in Sint Maarten25
25°C minimum night-time temperature in August in Sint Maarten25
25°C minimum night-time temperature in September in Sint Maarten25
25°C minimum night-time temperature in October in Sint Maarten25
24°C minimum night-time temperature in November in Sint Maarten24
23°C minimum night-time temperature in December in Sint Maarten23
Sea temperature
26°C sea temperature in January in Sint Maarten26
26°C sea temperature in February in Sint Maarten26
26°C sea temperature in March in Sint Maarten26
27°C sea temperature in April in Sint Maarten27
27°C sea temperature in May in Sint Maarten27
28°C sea temperature in June in Sint Maarten28
28°C sea temperature in July in Sint Maarten28
28°C sea temperature in August in Sint Maarten28
29°C sea temperature in September in Sint Maarten29
29°C sea temperature in October in Sint Maarten29
28°C sea temperature in November in Sint Maarten28
27°C sea temperature in December in Sint Maarten27

Sunshine & Daylight in Sint Maarten

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Sint Maarten11
12 hours of daylight per day in February in Sint Maarten12
12 hours of daylight per day in March in Sint Maarten12
13 hours of daylight per day in April in Sint Maarten13
13 hours of daylight per day in May in Sint Maarten13
13 hours of daylight per day in June in Sint Maarten13
13 hours of daylight per day in July in Sint Maarten13
13 hours of daylight per day in August in Sint Maarten13
12 hours of daylight per day in September in Sint Maarten12
12 hours of daylight per day in October in Sint Maarten12
11 hours of daylight per day in November in Sint Maarten11
11 hours of daylight per day in December in Sint Maarten11

Rainfall in Sint Maarten

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Sint Maarten17
14 days with some rainfall in February in Sint Maarten14
13 days with some rainfall in March in Sint Maarten13
12 days with some rainfall in April in Sint Maarten12
15 days with some rainfall in May in Sint Maarten15
13 days with some rainfall in June in Sint Maarten13
17 days with some rainfall in July in Sint Maarten17
19 days with some rainfall in August in Sint Maarten19
19 days with some rainfall in September in Sint Maarten19
20 days with some rainfall in October in Sint Maarten20
21 days with some rainfall in November in Sint Maarten21
20 days with some rainfall in December in Sint Maarten20
Average monthly rainfall (mm)
63 mm monthly rainfall in January in Sint Maarten63
43 mm monthly rainfall in February in Sint Maarten43
43 mm monthly rainfall in March in Sint Maarten43
65 mm monthly rainfall in April in Sint Maarten65
95 mm monthly rainfall in May in Sint Maarten95
62 mm monthly rainfall in June in Sint Maarten62
76 mm monthly rainfall in July in Sint Maarten76
100 mm monthly rainfall in August in Sint Maarten100
129 mm monthly rainfall in September in Sint Maarten129
109 mm monthly rainfall in October in Sint Maarten109
126 mm monthly rainfall in November in Sint Maarten126
89 mm monthly rainfall in December in Sint Maarten89

More climate for Sint Maarten

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in Sint Maarten8
UV (maximum) index 10 (Very High) in February in Sint Maarten10
UV (maximum) index 11+ (Extreme) in March in Sint Maarten11
UV (maximum) index 11+ (Extreme) in April in Sint Maarten11
UV (maximum) index 11+ (Extreme) in May in Sint Maarten11
UV (maximum) index 11+ (Extreme) in June in Sint Maarten11
UV (maximum) index 11+ (Extreme) in July in Sint Maarten11
UV (maximum) index 11+ (Extreme) in August in Sint Maarten11
UV (maximum) index 11+ (Extreme) in September in Sint Maarten11
UV (maximum) index 10 (Very High) in October in Sint Maarten10
UV (maximum) index 8 (Very High) in November in Sint Maarten8
UV (maximum) index 7 (High) in December in Sint Maarten7
Heat & Humidity
Moderate heat & humidity in January in Sint MaartenM
Moderate heat & humidity in February in Sint MaartenM
High heat & humidity in March in Sint MaartenH
High heat & humidity in April in Sint MaartenH
High heat & humidity in May in Sint MaartenH
Very high heat & humidity in June in Sint MaartenVH
Very high heat & humidity in July in Sint MaartenVH
Very high heat & humidity in August in Sint MaartenVH
Very high heat & humidity in September in Sint MaartenVH
Very high heat & humidity in October in Sint MaartenVH
High heat & humidity in November in Sint MaartenH
High heat & humidity in December in Sint MaartenH

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

What's the climate like in Sint Maarten?

Sint Maarten has a hot tropical climate with a winter dry season.

Marella Cruises discount code: £300 off 2021/2022 cruises

  • Save £300 on selected Marella Cruises in 2021/2022
  • Book cruises to Europe, Mediterranean & Caribbean
  • Travel before 31st December 2022 (inclusive)
Show discount codeShow discount code ******300
Redeem Marella Cruises discount code >>

Expires at 23:59 on Thursday 30th Sep 2021 · View all Marella Cruises offers

Marella CruisesCruise deal finder

Recommended for Sint Maarten

  • Top deals & discounts
  • Sint Maarten weather overview
  • More destinations
  • Best time to go to Sint Maarten
  • Sint Maarten 5-day weather forecast
  • Sint Maarten weather today - current conditions (last 24-hours)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The climate guide for Sint Maarten shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.