Saint Martin / Sint Maarten in April

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April at Saint Martin / Sint Maarten is 26°C by day and 25°C at night, with 3 rainy days and about 12 hours of sun a day. 26C max, 3 rainy days.

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The numbers

Daily high	26°C
Nightly low	25°C
Feels like, afternoon	29°C
Rainy days, 1 mm or more	3 · 47 mm
Humidity	76%
Sunshine	11.7 h/day
Daylight	12.6 h/day
Beach and sea	27 of 30 days dry and 23–35 °C; sea 27 °C, warm good
Crowds	80 / 100, higher is quieter

Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.

Weather read at Philipsburg, 7 km from the airport (SXM): ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.

How busy it gets

April: quieter than usual. Busiest in February; quietest in May.

Public holidays in April

Holidays crowd a place out and push fares up around them; they count toward the crowd score above.

Saint Martin / Sint Maarten in pictures

Philipsburg, Sint Maarten (Dutch) the southern half of the Caribbean island of Saint Martin panoramio (7) — i

MARELBU, CC BY 3.0, via Wikimedia Commons

Philipsburg, Sint Maarten (Dutch) the southern half of the Caribbean island of Saint Martin panoramio — i

MARELBU, CC BY 3.0, via Wikimedia Commons

What to pack

Summer clothes by day, highs around 26°C.
Sun protection: about 12 hours of sunshine a day.
Humidity averages 76%; breathable fabrics dry faster.

Each line is a threshold over the ten-year figures above, not advice from anywhere else.

Before you go

Cost of living	moderate — prices run about 76% of the United States' (World Bank, 2025)
Currency	Caribbean guilder
Languages	Dutch, English
Driving	On the right
Calling code	+1721
Travel advice	No advice against travel — UK Foreign Office, updated 2025-12-10
Health	UK Foreign Office health advice

Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-10-08. The advisory is written for British travellers; entry rules depend on your passport.

On arrival in Saint Martin / Sint Maarten: the apps, paying, getting around, tipping and the emergency numbers.

April elsewhere

In April from

The other months at Saint Martin / Sint Maarten

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