Climate · St Lucia

Castries

Hot all year, wet from July to November and drier from February to May.

Typical weather, averaged over 30 years14.0°N0 m above the sea
  1. Jan85°29°75°24°Rain on about four days a week.
  2. Feb86°30°75°24°Rain on about three days a week.
  3. Mar86°30°75°24°Rain on about three days a week.
  4. Apr88°31°76°24°Rain on about four days a week.
  5. May89°32°78°26°Rain on about four days a week.
  6. Jun89°32°78°26°Rain on about five days a week.
  7. Jul88°31°78°26°Rain on about six days a week.
  8. Aug89°32°78°26°Rain on about six days a week.
  9. Sep89°32°78°26°Rain on about five days a week.
  10. Oct88°31°78°26°Rain on about six days a week.
  11. Nov87°31°77°25°Rain on about six days a week.
  12. Dec86°30°76°24°Rain on about four days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The most comfortable months

Highs hardly move, between 85°F and 89°F all year, with nights near 77°F. The rain comes from July to November, on about six days a week. February to May is the driest stretch, with rain on about four days a week. Daylight runs from about 11½ hours in December to 13 hours in June.Highs hardly move, between 29°C and 32°C all year, with nights near 25°C. The rain comes from July to November, on about six days a week. February to May is the driest stretch, with rain on about four days a week. Daylight runs from about 11½ hours in December to 13 hours in June.

Where Castries sits

America/St Vincent

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
14.0°Nnorthern hemisphere
Above the sea
0 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:31 AM6:28 AM6:13 AM5:51 AM5:37 AM5:36 AM5:43 AM5:51 AM5:53 AM5:54 AM6:04 AM6:20 AMsets 5:54 PMsets 6:09 PMsets 6:15 PMsets 6:17 PMsets 6:23 PMsets 6:32 PMsets 6:36 PMsets 6:27 PMsets 6:06 PMsets 5:45 PMsets 5:34 PMsets 5:38 PM
Nearest of ours
our one place here

The land around Castries, shaded by its typical high in January, the planning map's own layer.The land around Castries, shaded by its typical high in February, the planning map's own layer.The land around Castries, shaded by its typical high in March, the planning map's own layer.The land around Castries, shaded by its typical high in April, the planning map's own layer.The land around Castries, shaded by its typical high in May, the planning map's own layer.The land around Castries, shaded by its typical high in June, the planning map's own layer.The land around Castries, shaded by its typical high in July, the planning map's own layer.The land around Castries, shaded by its typical high in August, the planning map's own layer.The land around Castries, shaded by its typical high in September, the planning map's own layer.The land around Castries, shaded by its typical high in October, the planning map's own layer.The land around Castries, shaded by its typical high in November, the planning map's own layer.The land around Castries, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Castries is our one place in St Lucia so far. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 85°F in January to 89°F in August and September.Highs from 29°C in January to 32°C in August and September.

Chance of a wet day

Wettest in August (84% of days), driest in March (48%).

Cloud cover

Clearest in January (45% cover), cloudiest in October (69%).

Daylight

From 11h 19m in December to 12h 56m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the most comfortable months. Hover or tap a week for its figures.

Month by month

°F°C

Castries, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryMost comfortable
75°24°85°29°
4 days45%11h 24m
FebruaryDry seasonMost comfortable
75°24°86°30°
3 days48%11h 40m
MarchDry seasonMost comfortable
75°24°86°30°
3 days51%12h 02m
AprilDry season
76°24°88°31°
4 days60%12h 26m
MayDry season
78°26°89°32°
4 days64%12h 46m
June
78°26°89°32°
5 days65%12h 56m
JulyRainy season
78°26°88°31°
6 days57%12h 52m
AugustRainy season
78°26°89°32°
6 days62%12h 34m
SeptemberRainy season
78°26°89°32°
5 days68%12h 11m
OctoberRainy season
78°26°88°31°
6 days69%11h 47m
NovemberRainy season
77°25°87°31°
6 days63%11h 28m
DecemberMost comfortable
76°24°86°30°
4 days51%11h 19m

When is the best time to visit Castries?


Castries is hot all year. Its most comfortable months are December to March: highs near 86°F, nights near 75°F, and rain on about four days a week.Castries is hot all year. Its most comfortable months are December to March: highs near 30°C, nights near 24°C, and rain on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Castries?

August and September, with highs near 89°F and lows near 78°F. The coolest is January, with highs near 85°F.August and September, with highs near 32°C and lows near 26°C. The coolest is January, with highs near 29°C.

When does it rain most in Castries?

August, with rain on about six days a week. March is the driest, with rain on about three days a week.

How long are the days in Castries?

From about 11½ hours in December to 13 hours in June.

When are the skies clearest in Castries?

January, when cloud covers about 45% of the sky on average. October is the cloudiest, at about 69%.

Places with a year like Castries's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Castries's through the year, one place a country. “Six months apart”: their winter is Castries's summer.

Where to stay

2 in our collection

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Castries. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (97 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (97 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.