Castries, Saint Lucia skyline

Castries Weather in June

Castries, Saint Lucia in June: how the month usually turns out, from 2006–2025 averages.

A typical June day in Castries peaks at 29.2°C (84.6°F) and drops to 24.8°C (76.6°F) overnight; expect about 18 rainy days (77 mm in total) and 11.5 hours of sunshine daily.

Avg high

29.2°C (84.6°F)

Avg low

24.8°C (76.6°F)

Rainfall

77 mm (3 in)

Rainy days

18 days

Sunshine

11.5 h / day

Humidity

77%

June vs the rest of the year

On temperature, June beats 8 of 11 other months, and it ranks as the 6th wettest month of the year.

MonthAvg highvs JuneRainRainy days
January27.1°C (80.8°F)−2.1°C (−3.8°F)47 mm15
February27.4°C (81.3°F)−1.8°C (−3.2°F)37 mm11
March28°C (82.4°F)−1.2°C (−2.2°F)39 mm13
April28.7°C (83.7°F)−0.5°C (−0.9°F)46 mm13
May29.3°C (84.7°F)+0.1°C (+0.2°F)54 mm15
June29.2°C (84.6°F)—77 mm18
July28.9°C (84°F)−0.3°C (−0.5°F)106 mm22
August29.2°C (84.6°F)same117 mm23
September29.7°C (85.5°F)+0.5°C (+0.9°F)106 mm20
October29.1°C (84.4°F)−0.1°C (−0.2°F)117 mm21
November28.3°C (82.9°F)−0.9°C (−1.6°F)94 mm19
December27.7°C (81.9°F)−1.5°C (−2.7°F)51 mm15

What June feels like in Castries

Castries lies in the tropics and stays warm all year, without a sharp split into seasons. The midday hours are hot; shade and water matter on long walks. There is little difference between day and night: nights stay warm, and evenings feel much like the afternoon. High humidity makes the heat feel heavier and sticky, especially on still afternoons.

Rain in Castries in June

Rain is part of normal life this month, falling on most days. Each rainy day adds about 4.3 mm (0.2 in), a proper wetting rather than a sprinkle. That is close to Castries's typical rain per wet day for the whole year (about 4.3 mm).

How June compares to the rest of the year

In Castries's temperature order, June sits as the 3rd warmest month. It is about as warm as May, with 23 mm more rain. Temperatures barely move from one month to the next here. By July, typical highs are 28.9°C (84°F).

Who June suits

  • Sightseeing: less ideal — rain falls on more than half the days.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.
  • Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.

Tips for visiting Castries in June

Rain Protection

Keep a small umbrella in your bag and wear shoes that cope with puddles.

Sun Protection

Sunscreen, a hat and sunglasses; light breathable clothes.

Quick questions

How warm is Castries in June?

Afternoons average 29.2°C (84.6°F) and nights about 24.8°C (76.6°F) — hot by most people's standards. It is the 3rd warmest month of the year.

Does it rain a lot in Castries in June?

Yes, fairly — rain falls most days and totals about 77 mm, so an umbrella is worth carrying.

What should I wear in Castries in June?

Pack rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.

Is June or July better for visiting Castries?

On our 12-month climate ranking, June comes out ahead (#7 of 12 vs #11). July has more rainy days.

Is June a good time to visit Castries?

Fair

Fair — warm to hot days, rain on most days (about 18), plenty of sunshine (11.5 h a day). Within Castries's own year, June ranks #7 of 12.

Drier places in June

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Castries weather by month.