Average humidity in Grand Case
On this page you find more information about the monthly relative humidity over the year in Grand Case (), Saint Martin.
Grand Case's humidity levels vary throughout the year. The highest levels occur in October, reaching 80% (very high), while the lowest is recorded in February at 75%.
Throughout the year, the average humidity in Grand Case is 77%.
Humidity plays an important role in how temperatures are felt. During the warmest month, August, the maximum average temperature is around 30°C (86°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, February, the maximum average temperature is around 27°C (81°F). This period has high humidity. Check out our detailed temperature page for more information.
Grand Case Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Case - and find the best time to visit.
Grand Case 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Grand Case climate overview or explore weather in Saint Martin.
Popular this month
Where to go in August - average daytime high across popular destinations.
Baie Longue
30°C (86°F) Cul de Sac30°C (86°F) Marigot30°C (86°F) Grand Case30°C (86°F) Orient Bay French St Martin30°C (86°F) Les Terres Basses30°C (86°F) Baie Nettle30°C (86°F) Orient Bay30°C (86°F) 
