St. Lucia (Castries) in June
In June, St. Lucia (Castries) averages 29°C (85°F) during the day and 25°C (78°F) at night, with frequent rain — about 27 days of the month see precipitation (96 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
June offers comfortable temperatures in St. Lucia (Castries), with some rain to plan around.
How June compares to the rest of the year in St. Lucia (Castries)
June is in the middle of the year for warmth in St. Lucia (Castries) (5th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 1°C above the annual average (29°C). June runs roughly the same as May (29°C) and stays flat into July.
June sunrise & sunset in St. Lucia (Castries)
Times shown for St. Lucia (Castries) local time (America/St_Lucia), calculated for the 15th of June. They shift by a few minutes day to day across the month.
Photography light in St. Lucia (Castries) — June
Golden-hour and blue-hour windows for the 15th of June, in St. Lucia (Castries)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — St. Lucia (Castries) in June
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on June's tier (Shoulder) and St. Lucia (Castries)'s popularity.
Crowds & pricing — June in St. Lucia (Castries)
St. Lucia (Castries) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — June in St. Lucia (Castries)
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in St. Lucia (Castries) — June
Across the year St. Lucia (Castries)'s sea swings from 27.1°C (February) to 30.3°C (September) — June sits at 28.9°C.
St. Lucia (Castries) in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 27°C / 81°F | 24°C / 75°F | 56 mm | 26 | — |
| February | 27°C / 81°F | 24°C / 74°F | 47 mm | 24 | — |
| March | 28°C / 82°F | 24°C / 75°F | 50 mm | 26 | — |
| April | 29°C / 83°F | 24°C / 76°F | 40 mm | 23 | — |
| May | 29°C / 85°F | 25°C / 77°F | 53 mm | 26 | — |
| June | 29°C / 85°F | 25°C / 78°F | 96 mm | 27 | — |
| July | 29°C / 84°F | 25°C / 78°F | 112 mm | 29 | — |
| August | 29°C / 85°F | 26°C / 78°F | 114 mm | 29 | — |
| September | 30°C / 86°F | 26°C / 78°F | 115 mm | 27 | — |
| October | 29°C / 85°F | 26°C / 78°F | 108 mm | 28 | — |
| November | 28°C / 83°F | 25°C / 77°F | 114 mm | 28 | — |
| December | 28°C / 82°F | 25°C / 76°F | 60 mm | 23 | — |
Other cities with similar June weather
🌍 See the full ranked list of climate twins for St. Lucia (Castries) in June →
Frequently asked questions
How hot is St. Lucia (Castries) in June?
In June, St. Lucia (Castries) averages a high of 29°C (85°F) and a low of 25°C (78°F) — generally warm.
Does it rain a lot in St. Lucia (Castries) in June?
June is quite rainy in St. Lucia (Castries), with about 27 rainy days on average.
Is June a good time to visit St. Lucia (Castries)?
June is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for St. Lucia (Castries) in June?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full June packing list for St. Lucia (Castries) for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.