Saint Martin Weather in July
Thinking of visiting Saint Martin in July? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 26°C (79°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Saint Martin in July
Based on our climate data of the past 30 years, about 17 days of rain are anticipated, with 84 mm (3.3 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Saint Martin in July
The perfect temperature in Saint Martin in July makes it a solid month to visit, with 29°C (84°F) during the day and 26°C (79°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Saint Martin in July
Enjoy a sunny month with about 258 hours of sunshine, the clear skies make Saint Martin even more beautiful.
Wind Speed in Saint Martin in July
Average wind conditions reach 5 m/s (10 knots) in July. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in July
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Saint Martin.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Saint Martin's climate page.
Saint Martin Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F) *
Chance of Rain
56%
Precipitation
84 mm (3.3 in)
Rainy days
17 days
Humidity
75% *
Windspeed
5 m/s (10 knots) *
Sunshine
258 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Martin typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in July
Historical weather for Saint Martin in July
Browse day-by-day weather records for Saint Martin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Martin historical weather extremes in July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Saint Martin.
- Saint Martin recorded its highest July temperature of 37°C (99°F) on July 30, 2005.
- On July 18, 1979, Saint Martin saw its coldest July day with temperatures maxing out at 27°C (81°F).
- The coldest night in July in Saint Martin was on July 8, 1997, with a minimum of 23°C (73°F).
Best Places in Saint Martin in July
Find out more about the weather in Saint Martin and which places have the best travel conditions in this month. See all of Saint Martin in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Saint Martin in July
Warm but pleasant conditions in Saint Martin in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Saint Martin in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Saint Martin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saint Martin climate overview or explore weather in Saint Martin.
