Visit the Rainbow Mountains
The Rainbow Mountain (Vinicunca) is acolored rainbow mountain that will steal your heart forever and the view from the top will take your breath away.
During July, Simpson Bay experiences high daytime temperatures of 29°C (84°F) and cooler nights around 26°C (79°F). Expect quite a bit of rainfall. Around 84 mm (3.3 in) is typical.
If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July and December typically offer the best circumstances for Simpson Bay.
Pick a month to see the average temperature, rainfall and sunshine in Simpson Bay - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Simpson Bay typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 27°C (81°F).
Browse day-by-day weather records for Simpson Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 50 years of weather records for Simpson Bay, the following extremes were recorded between 1976 and 2026.
Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month. See all of Sint Maarten in July →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Simpson Bay climate overview or explore weather in Sint Maarten.
Where to go in July - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit the Rainbow Mountains
The Rainbow Mountain (Vinicunca) is acolored rainbow mountain that will steal your heart forever and the view from the top will take your breath away.
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