Simpson Bay Weather in July
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.
Rainfall in Simpson Bay in July
Past climate data indicates that roughly 17 days will see rain, totalling around 84 mm (3.3 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Simpson Bay in July
Weather in Simpson Bay is at its perfect in July. Highs reach 29°C (84°F), while nights settle around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Simpson Bay in July
Expect a lot of sunshine this month, with about 258 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Simpson Bay in July
Wind speeds average 5 m/s (10 knots) during July. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in July
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sint Maarten, check out our Simpson Bay's climate page.
Simpson Bay 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 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).
Average temperatures in July
Historical weather for Simpson Bay in July
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.
Simpson Bay historical weather extremes in July
According to our 49 years of weather records for Simpson Bay, the following extremes were recorded between 1976 and 2025.
- The warmest day in July was on July 15, 2002, with a maximum of 38°C (100°F).
- Simpson Bay experienced its chilliest July day on July 18, 1979, reaching only 27°C (81°F).
- The coldest night in July in Simpson Bay was on July 8, 1997, with a minimum of 23°C (73°F).
Best Places in Sint Maarten in July
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 →
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What to Wear in Simpson Bay in July
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.What To Do in Simpson Bay 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 Sint Maarten, check out our Simpson Bay's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Simpson Bay climate overview or explore weather in Sint Maarten.
