Best Time to Visit
Castries

Days in January average 27°C (80°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

With around 25 mm of rain, any showers tend to pass through rather than settle in; about 21 days with 6+ hours of sunshine and 11.3 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Castries at 9.6/10 (5th of 12), just behind March at 9.8/10.

Expect peak pricing, and this is one of the busiest months here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Days in February average 27°C (80°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

With around 16 mm of rain, any showers tend to pass through rather than settle in; about 24 days with 6+ hours of sunshine and 11.5 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Castries at 9.7/10 (3rd of 12), just behind March at 9.8/10.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

March averages 27°C (80°F) and humidity near 74%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 12 mm for the month, with about 31 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Castries at 9.8/10 — the reference point every other month on this page is measured against.

Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Days in April average 28°C (82°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

With around 22 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 12.3 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Castries at 9.8/10 (2nd of 12), just behind March at 9.8/10.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

May averages 28°C (83°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 12.6 daylight hours.

A 9.7/10 puts this among the year's best months in Castries (4th of 12); only March scores higher, at 9.8/10.

Plan for mid-season pricing, with crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Days in June average 29°C (84°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 71 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 12.8 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Castries at 9/10 (7th of 12), just behind March at 9.8/10.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Days in July average 29°C (84°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 68 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 12.8 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Castries at 9/10 (8th of 12), just behind March at 9.8/10.

Budget for mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

August averages 29°C (85°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 74 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 12.5 hours of daylight.

A 8.9/10 puts this among the year's best months in Castries (9th of 12); only March scores higher, at 9.8/10.

Figure on mid-season pricing, with crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

September averages 30°C (85°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 73 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 12.1 hours of daylight.

A 8.9/10 puts this among the year's best months in Castries (10th of 12); only March scores higher, at 9.8/10.

Figure on low-season pricing, with crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Days in October average 29°C (85°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 87 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 11.7 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Castries at 8.6/10 (11th of 12), just behind March at 9.8/10.

Budget for low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

December averages 28°C (82°F) and humidity near 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 19 days with 6+ hours of sunshine and 11.2 daylight hours.

A 9.3/10 puts this among the year's best months in Castries (6th of 12); only March scores higher, at 9.8/10.

Plan for peak pricing, with crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.