Castries Weather in July

Saint Lucia · July climate averages and travel tips

Avg high28°C (83°F)
Avg low27°C (81°F)
Rainfall113 mm (4.4 in)
RatingFair 5/10

Castries in July sees daytime temperatures around 28°C (83°F), dropping to about 27°C (81°F) at night. The month is moderately rainy, with about 113 mm (4.4 in) of rain spread over 20 days. Humidity averages 79%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.8 hours of daylight and a mix of sun and cloud.

Is July a good time to visit Castries?

July is a fair time to visit Castries (5/10) mainly because of the rain. For better weather, go in February and March.

Visiting Castries in July

July weather in Castries

July is warm and sticky, with highs around 28°C and little change overnight. Rain falls on many days, often in passing showers, and cloud can interrupt the sunshine. June is almost as wet, while August is wetter, so July sits in the middle of the rainy season.

You can still enjoy Castries Market, the Cathedral of the Immaculate Conception and a meal of green fig and saltfish. Keep beach time flexible, and don't count on a dry day for a long hike. Heavy showers can make trails muddy, and damp afternoons aren't ideal for sightseeing on foot.

Carnival and local life

Saint Lucia Carnival often brings its main celebrations to July, with music, costume bands and street parades around Castries. Exact dates change each year, so check the event schedule before settling on your travel dates.

If you hate crowds, avoid the parade routes during Carnival events and explore the market on a quieter morning instead. The festivities draw visitors, but July is generally less busy than the winter high season. You may find better hotel rates than in February or March, though Carnival can push up demand around its events.

July in Castries: local tips

Plan a flexible day: visit the market or Derek Walcott Square between showers, then take a break indoors if the afternoon turns wet. For a Carnival day, ask locally about road closures before heading across town; parade routes can disrupt normal journeys through central Castries.

Travelling with kids? A short visit to Vigie Beach is easier to adjust around passing showers than a full-day outing. July's rain doesn't rule out a good trip, but it helps to keep your plans loose.

July weather at a glance

Average high28°C (83°F)
Average low27°C (81°F)
Daily mean28°C (82°F)
Rainfall113 mm (4.4 in)
Rainy days (1 mm+)20
Humidity79%
Cloud cover54%
Daylight12.8 hours
Est. sunshine6.5 hours/day
Wind22.8 km/h
vs JuneAbout as warm as June, with similar rainfall.

What to pack for Castries in July

Castries weather in other months

Jan27°C / 25°C63 mmExcellentFeb26°C / 25°C39 mmExcellentMar27°C / 25°C37 mmExcellentApr27°C / 26°C72 mmExcellentMay28°C / 26°C77 mmGoodJun28°C / 27°C112 mmFairJul28°C / 27°C113 mmFairAug29°C / 27°C136 mmFairSep29°C / 28°C115 mmFairOct29°C / 27°C149 mmFairNov28°C / 27°C137 mmFairDec27°C / 26°C72 mmGood

← JuneBest time to visit CastriesAugust →

Better weather in July nearby

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