Basse-Terre climate

Name: Basse-Terre
Address: GP

Basse-Terre is warmest in August, with average highs of 30 °C, and coldest in February, when nights average 24 °C. October is the wettest month (120 mm) and March the driest (28 mm). Figures are 1991–2020 climate normals.

Across a full year Basse-Terre averages 816 mm of rain and 364 days above 25 °C.

Guadeloupe · population 11,472 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 30 °C
Coldest month February 24 °C
Driest month March 28 mm
Wettest month October 120 mm
Least cloud January 34 % cloud
Hottest on record April 32 °C
Coldest on record January 19 °C
Warmest sea September 29 °C

What to expectBasse-Terre through the year

Basse-Terre changes little through the year. Average daily highs stay between 27 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 364 days a year reach 25 °C, 76 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in April.

Rain is strongly seasonal. October averages 120 mm against 28 mm in March — 4.3 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Basse-Terre is warmest in September at 29 °C and coldest in February at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	27.1 °C	40 mm	34 %
February	27.2 °C	32 mm	35 %
March	27.8 °C	28 mm	39 %
April	28.6 °C	39 mm	46 %
May	29.3 °C	61 mm	58 %
June	29.7 °C	54 mm	60 %
July	29.8 °C	78 mm	52 %
August	30.0 °C	94 mm	53 %
September	29.8 °C	119 mm	62 %
October	29.3 °C	120 mm	59 %
November	28.5 °C	102 mm	49 %
December	27.7 °C	51 mm	40 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	27.1 °C	24.2 °C	25.5 °C	29.8 °C	19.1 °C	31	0
February	27.2 °C	24.0 °C	25.3 °C	31.3 °C	20.4 °C	28	0
March	27.8 °C	24.2 °C	25.7 °C	31.1 °C	20.9 °C	31	1
April	28.6 °C	24.9 °C	26.4 °C	32.0 °C	22.3 °C	30	2
May	29.3 °C	25.7 °C	27.2 °C	31.9 °C	23.1 °C	31	9
June	29.7 °C	26.3 °C	27.8 °C	31.9 °C	23.5 °C	30	13
July	29.8 °C	26.3 °C	27.8 °C	31.9 °C	24.2 °C	31	14
August	30.0 °C	26.5 °C	28.0 °C	32.0 °C	24.2 °C	31	16
September	29.8 °C	26.6 °C	28.0 °C	32.0 °C	23.7 °C	30	13
October	29.3 °C	26.3 °C	27.7 °C	31.8 °C	23.9 °C	31	6
November	28.5 °C	25.7 °C	27.0 °C	30.6 °C	22.4 °C	30	0
December	27.7 °C	24.9 °C	26.1 °C	30.2 °C	22.1 °C	31	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	40 mm	12	11 h/day	34 %	77 %	22 km/h	26.9 °C
February	32 mm	10	12 h/day	35 %	75 %	23 km/h	26.5 °C
March	28 mm	8	12 h/day	39 %	74 %	22 km/h	26.6 °C
April	39 mm	10	13 h/day	46 %	76 %	21 km/h	27.1 °C
May	61 mm	13	13 h/day	58 %	77 %	21 km/h	27.7 °C
June	54 mm	14	13 h/day	60 %	78 %	23 km/h	28.0 °C
July	78 mm	16	13 h/day	52 %	79 %	23 km/h	28.1 °C
August	94 mm	18	13 h/day	53 %	80 %	21 km/h	28.6 °C
September	119 mm	18	12 h/day	62 %	81 %	19 km/h	29.0 °C
October	120 mm	19	12 h/day	59 %	81 %	19 km/h	29.0 °C
November	102 mm	17	11 h/day	49 %	81 %	19 km/h	28.5 °C
December	51 mm	14	11 h/day	40 %	78 %	21 km/h	27.7 °C

How Basse-Terre compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Basse-Terre	30 °C	24 °C	816 mm	364
Roseau · Dominica	28 °C	24 °C	818 mm	359
Plymouth · Montserrat	29 °C	24 °C	775 mm	361
Saint John’s · Antigua and Barbuda	29 °C	24 °C	837 mm	361
Fort-de-France · Martinique	29 °C	24 °C	1,000 mm	365
Basseterre · Saint Kitts and Nevis	29 °C	24 °C	807 mm	357
Castries · Saint Lucia	29 °C	23 °C	813 mm	365

Where Basse-Terre ranks

Ranking	Position	Value
The warmest places in North America in November	29th of 50	29 °C
The warmest places in North America in December	38th of 50	28 °C
The warmest places in North America in January	39th of 50	27 °C
The warmest places in North America in October	43rd of 50	29 °C

Planning a trip? See the best time to visit Basse-Terre.

QuestionsCommon questions about Basse-Terre’s climate

When is the best time to visit Basse-Terre?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, March sit closest to 20 °C on average, August is the warmest month and March the driest. The month-by-month table above has the full picture.

How hot does Basse-Terre get?

In August, the warmest month, daily highs average 30 °C. About 76 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 24 °C in February, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Basse-Terre?

October, averaging 120 mm over 19 days with rain. The driest month is March with 28 mm. The year as a whole averages 816 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Basse-Terre rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 15.997°, -61.732° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.