Nassau climate

Name: Nassau
Address: BS

Nassau is warmest in August, with average highs of 30 °C, and coldest in January, when nights average 21 °C. October is the wettest month (133 mm) and February the driest (32 mm). Figures are 1991–2020 climate normals.

Across a full year Nassau averages 900 mm of rain and 264 days above 25 °C.

Bahamas · population 227,940 · 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 January 21 °C
Driest month February 32 mm
Wettest month October 133 mm
Least cloud February 42 % cloud
Hottest on record August 33 °C
Coldest on record December 14 °C
Warmest sea August 30 °C

What to expectNassau through the year

Nassau has a clear annual cycle: average daily highs run from 24 °C in January to 30 °C in August, a swing of 5.9 °C in mean temperature across the year.

Counted across a normal year, 264 days a year reach 25 °C, 27 of them reach 30 °C. The warmest reading in the 1991–2020 record is 33 °C, in August.

Rain is strongly seasonal. October averages 133 mm against 32 mm in February — 4.1 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Nassau is warmest in August at 30 °C and coldest in February at 24 °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	23.7 °C	41 mm	50 %
February	24.0 °C	32 mm	42 %
March	24.4 °C	36 mm	42 %
April	25.6 °C	48 mm	42 %
May	26.9 °C	79 mm	48 %
June	28.5 °C	97 mm	63 %
July	29.5 °C	73 mm	53 %
August	29.7 °C	117 mm	54 %
September	28.9 °C	132 mm	62 %
October	27.6 °C	133 mm	56 %
November	25.8 °C	72 mm	48 %
December	24.6 °C	40 mm	47 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	23.7 °C	21.1 °C	22.3 °C	27.6 °C	14.5 °C	7	0
February	24.0 °C	21.2 °C	22.5 °C	27.8 °C	14.2 °C	8	0
March	24.4 °C	21.4 °C	22.8 °C	28.3 °C	14.6 °C	12	0
April	25.6 °C	22.7 °C	24.1 °C	31.0 °C	16.3 °C	21	0
May	26.9 °C	24.1 °C	25.4 °C	31.4 °C	18.6 °C	30	0
June	28.5 °C	25.9 °C	27.1 °C	32.0 °C	23.0 °C	30	3
July	29.5 °C	26.7 °C	28.1 °C	32.6 °C	23.6 °C	31	9
August	29.7 °C	26.9 °C	28.2 °C	32.7 °C	23.4 °C	31	11
September	28.9 °C	26.3 °C	27.6 °C	32.0 °C	23.7 °C	30	3
October	27.6 °C	25.3 °C	26.4 °C	30.8 °C	19.1 °C	30	1
November	25.8 °C	23.6 °C	24.7 °C	29.5 °C	17.2 °C	21	0
December	24.6 °C	22.3 °C	23.4 °C	28.6 °C	14.0 °C	14	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	41 mm	7	11 h/day	50 %	71 %	30 km/h	24.3 °C
February	32 mm	5	11 h/day	42 %	71 %	28 km/h	24.0 °C
March	36 mm	6	12 h/day	42 %	69 %	28 km/h	24.2 °C
April	48 mm	6	13 h/day	42 %	71 %	28 km/h	25.1 °C
May	79 mm	10	13 h/day	48 %	75 %	25 km/h	26.3 °C
June	97 mm	15	14 h/day	63 %	79 %	23 km/h	28.0 °C
July	73 mm	14	14 h/day	53 %	76 %	24 km/h	29.0 °C
August	117 mm	17	13 h/day	54 %	76 %	24 km/h	29.5 °C
September	132 mm	19	12 h/day	62 %	78 %	24 km/h	29.2 °C
October	133 mm	17	12 h/day	56 %	77 %	27 km/h	28.3 °C
November	72 mm	9	11 h/day	48 %	72 %	30 km/h	26.6 °C
December	40 mm	6	11 h/day	47 %	72 %	29 km/h	25.3 °C

How Nassau 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
Nassau	30 °C	21 °C	900 mm	264
Miami · United States	30 °C	18 °C	1,083 mm	284
Fort Lauderdale · United States	30 °C	17 °C	1,232 mm	281
Hialeah · United States	31 °C	17 °C	1,116 mm	292

Where Nassau ranks

Ranking	Position	Value
Best beach destinations in the world in April	31stof 50	91/100

Planning a trip? See the best time to visit Nassau.

QuestionsCommon questions about Nassau’s climate

When is the best time to visit Nassau?

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 February the driest. The month-by-month table above has the full picture.

How hot does Nassau get?

In August, the warmest month, daily highs average 30 °C. About 27 days a year pass 30 °C. The highest value in the 1991–2020 record is 33 °C.

How cold does it get in winter?

Nights average 21 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Nassau?

October, averaging 133 mm over 17 days with rain. The driest month is February with 32 mm. The year as a whole averages 900 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 Nassau 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
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.