Georgetown climate

Name: Georgetown
Address: GY

Georgetown is warmest in September, with average highs of 29 °C, and coldest in January, when nights average 24 °C. June is the wettest month (308 mm) and March the driest (94 mm). Figures are 1991–2020 climate normals.

Across a full year Georgetown averages 2,070 mm of rain and 365 days above 25 °C.

Guyana · population 235,017 · 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 September 29 °C
Coldest month January 24 °C
Driest month March 94 mm
Wettest month June 308 mm
Least cloud September 53 % cloud
Hottest on record September 32 °C
Coldest on record February 22 °C
Warmest sea September 29 °C

What to expectGeorgetown through the year

Georgetown changes little through the year. Average daily highs stay between 27 and 29 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 12 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in September.

Rain is strongly seasonal. June averages 308 mm against 94 mm in March — 3.3 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Georgetown 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	26.9 °C	159 mm	62 %
February	27.1 °C	111 mm	61 %
March	27.5 °C	94 mm	62 %
April	27.8 °C	131 mm	68 %
May	27.8 °C	251 mm	77 %
June	27.5 °C	308 mm	80 %
July	27.9 °C	251 mm	70 %
August	28.7 °C	167 mm	57 %
September	29.2 °C	101 mm	53 %
October	29.2 °C	111 mm	59 %
November	28.3 °C	179 mm	68 %
December	27.3 °C	207 mm	67 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	26.9 °C	24.1 °C	25.4 °C	29.5 °C	22.5 °C	31	0
February	27.1 °C	24.2 °C	25.5 °C	29.1 °C	22.4 °C	28	0
March	27.5 °C	24.5 °C	25.8 °C	29.7 °C	22.5 °C	31	0
April	27.8 °C	24.8 °C	26.2 °C	30.1 °C	23.0 °C	30	0
May	27.8 °C	24.7 °C	26.1 °C	29.9 °C	23.4 °C	31	0
June	27.5 °C	24.3 °C	25.8 °C	30.3 °C	23.0 °C	30	0
July	27.9 °C	24.2 °C	25.9 °C	31.1 °C	22.6 °C	31	0
August	28.7 °C	24.8 °C	26.6 °C	31.5 °C	23.0 °C	31	2
September	29.2 °C	25.5 °C	27.2 °C	32.2 °C	23.2 °C	30	4
October	29.2 °C	25.6 °C	27.2 °C	31.4 °C	23.3 °C	31	5
November	28.3 °C	25.1 °C	26.6 °C	30.8 °C	23.4 °C	30	1
December	27.3 °C	24.4 °C	25.8 °C	30.2 °C	22.9 °C	31	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	159 mm	23	12 h/day	62 %	83 %	18 km/h	27.1 °C
February	111 mm	19	12 h/day	61 %	81 %	20 km/h	26.9 °C
March	94 mm	18	12 h/day	62 %	80 %	20 km/h	27.2 °C
April	131 mm	20	12 h/day	68 %	81 %	19 km/h	27.6 °C
May	251 mm	27	12 h/day	77 %	85 %	18 km/h	27.7 °C
June	308 mm	29	13 h/day	80 %	86 %	16 km/h	27.9 °C
July	251 mm	29	12 h/day	70 %	86 %	15 km/h	28.5 °C
August	167 mm	25	12 h/day	57 %	83 %	15 km/h	29.1 °C
September	101 mm	18	12 h/day	53 %	81 %	16 km/h	29.3 °C
October	111 mm	19	12 h/day	59 %	81 %	17 km/h	29.1 °C
November	179 mm	23	12 h/day	68 %	84 %	16 km/h	28.6 °C
December	207 mm	27	12 h/day	67 %	85 %	17 km/h	27.8 °C

How Georgetown 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
Georgetown	29 °C	24 °C	2,070 mm	365
Paramaribo · Suriname	30 °C	24 °C	1,680 mm	365
Boa Vista · Brazil	33 °C	22 °C	1,782 mm	364
Ciudad Guayana · Venezuela	33 °C	22 °C	1,036 mm	365
Port of Spain · Trinidad and Tobago	30 °C	24 °C	940 mm	365
Ciudad Bolívar · Venezuela	35 °C	23 °C	1,268 mm	365
Maturín · Venezuela	33 °C	22 °C	1,012 mm	365

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

QuestionsCommon questions about Georgetown’s climate

When is the best time to visit Georgetown?

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

How hot does Georgetown get?

In September, the warmest month, daily highs average 29 °C. About 12 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 January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Georgetown?

June, averaging 308 mm over 29 days with rain. The driest month is March with 94 mm. The year as a whole averages 2,070 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 Georgetown 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.