Stanley climate

Name: Stanley
Address: FK

Stanley is warmest in January, with average highs of 14 °C, and coldest in July, when nights average 1.4 °C. December is the wettest month (68 mm) and September the driest (38 mm). Figures are 1991–2020 climate normals.

Across a full year Stanley averages 600 mm of rain and 20 days below freezing.

Falkland Islands · population 2,213 · 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 January 14 °C
Coldest month July 1.4 °C
Driest month September 38 mm
Wettest month December 68 mm
Least cloud December 64 % cloud
Hottest on record February 23 °C
Coldest on record May -6.8 °C
Warmest sea February 9.7 °C

What to expectStanley through the year

Stanley has a clear annual cycle: average daily highs run from 4.6 °C in July to 14 °C in January, a swing of 7.7 °C in mean temperature across the year.

Counted across a normal year, 20 nights drop below freezing. The warmest reading in the 1991–2020 record is 23 °C, in February.

Rain is spread fairly evenly through the year, from 38 mm in September to 68 mm in December. There is no dry season to aim for.

The sea off Stanley is warmest in February at 9.7 °C and coldest in August at 5.1 °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	13.5 °C	63 mm	65 %
February	13.2 °C	52 mm	66 %
March	11.9 °C	56 mm	67 %
April	9.5 °C	51 mm	69 %
May	7.0 °C	48 mm	71 %
June	5.1 °C	46 mm	71 %
July	4.6 °C	48 mm	71 %
August	5.5 °C	39 mm	69 %
September	6.6 °C	38 mm	67 %
October	8.7 °C	41 mm	66 %
November	10.7 °C	50 mm	64 %
December	12.2 °C	68 mm	64 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days below 0 °C
January	13.5 °C	8.2 °C	10.7 °C	22.5 °C	2.3 °C	0
February	13.2 °C	8.0 °C	10.4 °C	23.0 °C	2.7 °C	0
March	11.9 °C	7.3 °C	9.5 °C	20.8 °C	0.8 °C	0
April	9.5 °C	5.5 °C	7.4 °C	17.1 °C	-0.3 °C	0
May	7.0 °C	3.7 °C	5.4 °C	13.9 °C	-6.8 °C	1
June	5.1 °C	2.1 °C	3.6 °C	10.6 °C	-4.6 °C	5
July	4.6 °C	1.4 °C	3.0 °C	10.8 °C	-5.6 °C	7
August	5.5 °C	2.0 °C	3.6 °C	11.1 °C	-6.1 °C	4
September	6.6 °C	2.5 °C	4.4 °C	13.3 °C	-6.7 °C	3
October	8.7 °C	3.9 °C	6.1 °C	15.5 °C	-2.0 °C	0
November	10.7 °C	5.5 °C	8.0 °C	20.2 °C	-1.0 °C	0
December	12.2 °C	6.9 °C	9.5 °C	20.2 °C	1.6 °C	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	63 mm	13	16 h/day	65 %	73 %	40 km/h	9.4 °C
February	52 mm	12	14 h/day	66 %	75 %	40 km/h	9.7 °C
March	56 mm	12	13 h/day	67 %	77 %	40 km/h	9.2 °C
April	51 mm	12	10 h/day	69 %	79 %	40 km/h	8.2 °C
May	48 mm	12	8.8 h/day	71 %	81 %	39 km/h	7.1 °C
June	46 mm	12	7.8 h/day	71 %	81 %	39 km/h	6.1 °C
July	48 mm	11	8.2 h/day	71 %	81 %	39 km/h	5.5 °C
August	39 mm	10	9.7 h/day	69 %	80 %	39 km/h	5.1 °C
September	38 mm	9	12 h/day	67 %	79 %	39 km/h	5.1 °C
October	41 mm	10	14 h/day	66 %	76 %	39 km/h	5.7 °C
November	50 mm	12	16 h/day	64 %	74 %	40 km/h	6.9 °C
December	68 mm	14	17 h/day	64 %	72 %	40 km/h	8.3 °C

Where Stanley ranks

Ranking	Position	Value
The coolest places in South America in April	1st of 50	9.5 °C
The coolest places in South America in August	1st of 50	5.5 °C
The coolest places in South America in December	1st of 50	12 °C
The coolest places in South America in February	1st of 50	13 °C
The coolest places in South America in January	1st of 50	14 °C
The coolest places in South America in July	1st of 50	4.6 °C

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

QuestionsCommon questions about Stanley’s climate

When is the best time to visit Stanley?

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

How hot does Stanley get?

In January, the warmest month, daily highs average 14 °C. The highest value in the 1991–2020 record is 23 °C.

How cold does it get in winter?

Nights average 1.4 °C in July, the coldest month. A normal year has 20 nights below freezing.

Which month is wettest in Stanley?

December, averaging 68 mm over 14 days with rain. The driest month is September with 38 mm. The year as a whole averages 600 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 Stanley 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: -51.694°, -57.857° (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.