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Castries Weather in June

Castries in June sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 26°C (79°F). Rainfall is fairly high this month at around 81 mm (3.2 in), so pack a rain jacket to stay dry.

Rainfall in Castries in June

Based on our climate data of the past 30 years, about 19 days of rain are anticipated, with 81 mm (3.2 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Castries in June

June in Castries brings typical temperatures with highs around 31°C (88°F) and lows of 26°C (79°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Castries in June

The city usually sees around 239 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you prefer dry days with pleasant temperatures, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Saint Lucia, check out our Castries's climate page.

Castries Temperature in June

Min TemperatureMin Temperature 26°C (79°F)  
Max TemperatureMax Temperature 31°C (88°F)  
Chance of RainChance of Rain 63%  
PrecipitationPrecipitation 81 mm (3.2 in)  
Rainy daysRainy days 19 days  
HumidityHumidity 78% *  
SunshineSunshine 239 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Saint Lucia, Saint Lucia (4 KM, 2 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Castries typically stay consistent throughout June, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in June

Historical weather for Castries in June

Browse day-by-day weather records for Castries spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Castries historical weather extremes in June

According to our 36 years of weather records for Castries, the following extremes were recorded between 1990 and 2026.

  • Castries recorded its highest June temperature of 33°C (91°F) on June 15, 2024.
  • The lowest daytime temperature in June was 27°C (81°F), recorded on June 6, 2005.
  • Castries registered its coldest June night on June 24, 2022, with temperatures dropping to 20°C (68°F).

Best Places in Saint Lucia in June

Find out more about the weather in Saint Lucia and which places have the best travel conditions in this month. See all of Saint Lucia in June →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
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).

What to Wear in Castries in June

Warm temperatures in June 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Castries in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Saint Lucia, check out our Castries's climate page.

More climate data for Castries