Grand Case Weather in June
With daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F), June in Grand Case brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 62 mm (2.4 in) falls on average.
Rainfall in Grand Case in June
The climate data from previous years indicates about 13 days of rain, averaging 62 mm (2.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Grand Case in June
June in Grand Case is generally perfect, with days reaching 29°C (84°F) and nights settling around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Grand Case in June
With approximately 244 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Grand Case in June
June has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in June
The water temperature is 27°C (81°F), which most people find very comfortable. A good month for swimming and water sports.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Grand Case.
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 Grand Case's climate page.
Grand Case Temperature in June
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
27°C (81°F) *
Chance of Rain
44%
Precipitation
62 mm (2.4 in)
Rainy days
13 days
Humidity
76% *
Windspeed
5 m/s (10 knots) *
Sunshine
244 hours *
Percentage Sunshine
64% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand Case typically stay consistent throughout June, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in June
Historical weather for Grand Case in June
Browse day-by-day weather records for Grand Case spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand Case historical weather extremes in June
Our historical data for Grand Case spans 1979 to 2026, revealing these weather extremes.
- On June 1, 2024, temperatures climbed to 33°C (91°F), marking the warmest June day on record.
- On June 18, 1986, Grand Case saw its coldest June day with temperatures maxing out at 26°C (79°F).
- Grand Case registered its coldest June night on June 17, 1994, with temperatures dropping to 22°C (72°F).
Best Places in Saint Martin in June
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 June →
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What to Wear in Grand Case in June
Warm but pleasant conditions in Grand Case in June. 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 27°C (81°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Grand Case in June
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 Grand Case's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Grand Case climate overview or explore weather in Saint Martin.
