What the governments of the United Kingdom, the United States and Canada tell their own citizens about travelling to Saint Martin, in their own words, plus practical help with packing.
Travel advice levels
Each government rates the risks for its own citizens, on its own scale. The levels are shown exactly as published; they are not equivalent to each other and are not combined here.
UK
United KingdomForeign, Commonwealth & Development Office
Advice for St Martin and St Barthélemy
Does not advise against travel
No numbered levels
Updated 10 December 2025
Latest change, in the source's words:New information about dual nationals returning to the UK (‘ Entry requirements’ page).
The official source shows no update to this advice in over 12 months. Check the official page for the current version.
Trip Rulebook could not refresh this source since 30 September 2026. The official website may have newer advice.
Emergency numbers
From the section “Emergency services in St Martin and St Barthélemy” of the UK government's travel advice for St Martin and St Barthélemy, written for British travellers. Reproduced without changes to the wording; formatting adapted.
Telephone: 112 (ambulance, fire, police)
or
Ambulance: 15
Fire: 18
Police: 17
Local laws and customs
From the section “Laws and cultural differences” of the UK government's travel advice for St Martin and St Barthélemy, written for British travellers. Reproduced without changes to the wording; formatting adapted.
St Martin and St Barthélemy are French overseas territories and French laws apply. See France travel advice.
Personal ID
You must be able to prove your identity either by providing documents when asked or within 4 hours at a police station. Identity documents can be:
a passport
a photocard driving licence
other documentation provided by a government body
Travelling with medicines
From the section “Medication” of the UK government's travel advice for St Martin and St Barthélemy, written for British travellers. Reproduced without changes to the wording; formatting adapted.
The legal status and regulation of some medicines prescribed or bought in the UK can be different in other countries.
From the section “Extreme weather and natural disasters” of the UK government's travel advice for St Martin and St Barthélemy, written for British travellers. Reproduced without changes to the wording; formatting adapted.
Practical suggestions from Trip Rulebook, based on open data and fixed rules. They are not safety or legal advice: rules on clothing, medicines and restricted items are covered only by the official text on this page.
Chargers and plugs
Plug typesCE
Voltage220/380 V
Frequency60 Hz
Plug and voltage data: Wikipedia, “Mains electricity by country”, CC BY-SA 4.0 (licence), retrieved 2026-09-29. Sockets in hotels can differ; the label on your charger (for example “INPUT 100–240V”) tells you which voltages it accepts.
Clothes for the weather
Rainfall Average temperature
January
Average
26 °C (80 °F)
Lows
24 °C (74 °F)
Highs
29 °C (85 °F)
Rain
77 mm (3.0 in)
Light, breathable clothes, sun hat and sunscreen.
Some rain on average: a compact umbrella.
February
Average
26 °C (80 °F)
Lows
23 °C (74 °F)
Highs
29 °C (85 °F)
Rain
48 mm (1.9 in)
Light, breathable clothes, sun hat and sunscreen.
Some rain on average: a compact umbrella.
March
Average
27 °C (80 °F)
Lows
24 °C (74 °F)
Highs
30 °C (86 °F)
Rain
40 mm (1.6 in)
Light, breathable clothes, sun hat and sunscreen.
Some rain on average: a compact umbrella.
April
Average
27 °C (81 °F)
Lows
24 °C (76 °F)
Highs
30 °C (87 °F)
Rain
64 mm (2.5 in)
Light, breathable clothes, sun hat and sunscreen.
Some rain on average: a compact umbrella.
May
Average
28 °C (82 °F)
Lows
25 °C (77 °F)
Highs
31 °C (88 °F)
Rain
86 mm (3.4 in)
Light, breathable clothes, sun hat and sunscreen.
Some rain on average: a compact umbrella.
June
Average
29 °C (84 °F)
Lows
26 °C (79 °F)
Highs
32 °C (89 °F)
Rain
62 mm (2.4 in)
Light, breathable clothes, sun hat and sunscreen.
Some rain on average: a compact umbrella.
July
Average
29 °C (84 °F)
Lows
26 °C (79 °F)
Highs
32 °C (90 °F)
Rain
96 mm (3.8 in)
Light, breathable clothes, sun hat and sunscreen.
Very hot days on average: loose clothing and a refillable water bottle.
Some rain on average: a compact umbrella.
August
Average
29 °C (85 °F)
Lows
26 °C (79 °F)
Highs
32 °C (90 °F)
Rain
105 mm (4.1 in)
Light, breathable clothes, sun hat and sunscreen.
Very hot days on average: loose clothing and a refillable water bottle.
Frequent rain on average: a rain jacket or umbrella.
September
Average
29 °C (85 °F)
Lows
26 °C (79 °F)
Highs
32 °C (90 °F)
Rain
120 mm (4.7 in)
Light, breathable clothes, sun hat and sunscreen.
Very hot days on average: loose clothing and a refillable water bottle.
Frequent rain on average: a rain jacket or umbrella.
October
Average
29 °C (84 °F)
Lows
26 °C (79 °F)
Highs
32 °C (89 °F)
Rain
115 mm (4.5 in)
Light, breathable clothes, sun hat and sunscreen.
Frequent rain on average: a rain jacket or umbrella.
November
Average
28 °C (82 °F)
Lows
25 °C (77 °F)
Highs
31 °C (87 °F)
Rain
133 mm (5.2 in)
Light, breathable clothes, sun hat and sunscreen.
Frequent rain on average: a rain jacket or umbrella.
December
Average
27 °C (80 °F)
Lows
24 °C (76 °F)
Highs
30 °C (85 °F)
Rain
103 mm (4.1 in)
Light, breathable clothes, sun hat and sunscreen.
Frequent rain on average: a rain jacket or umbrella.
National averages for 1991-2020. Coasts, mountains and regions can be very different, and any given year can be warmer, colder or wetter. Suggestions come from fixed rules based on these averages. Climate data: World Bank Climate Change Knowledge Portal, observed climate data (CRU TS), CRU TS (cru_ts4.09), Climatic Research Unit, University of East Anglia, CC BY 4.0 (licence).
Visa and entry rules depend on your nationality and change often, so Trip Rulebook does not summarise them. Each government explains the rules for its own citizens. If you travel on another passport, check with the embassy or the official immigration website of Saint Martin.
This page is guidance, not legal advice. Laws and advice change without notice and are written for each government's own citizens, so they may apply to you differently. Confirm everything with the official source before you travel. Terms of use.