Saint-Pierre climate

Name: Saint-Pierre
Address: PM

Saint-Pierre is warmest in August, with average highs of 17 °C, and coldest in February, when nights average -3.9 °C. December is the wettest month (153 mm) and August the driest (100 mm). Figures are 1991–2020 climate normals.

Across a full year Saint-Pierre averages 1,482 mm of rain and 101 days below freezing.

Saint Pierre and Miquelon · population 6,200 · 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 17 °C
Coldest month February -3.9 °C
Driest month August 100 mm
Wettest month December 153 mm
Least cloud September 61 % cloud
Hottest on record September 22 °C
Coldest on record February -15 °C
Warmest sea August 16 °C

What to expectSaint-Pierre through the year

Saint-Pierre has a clear annual cycle: average daily highs run from -0.2 °C in February to 17 °C in August, a swing of 18 °C in mean temperature across the year.

Counted across a normal year, 101 nights drop below freezing. The warmest reading in the 1991–2020 record is 22 °C, in September.

Rain is spread fairly evenly through the year, from 100 mm in August to 153 mm in December. There is no dry season to aim for.

The sea off Saint-Pierre is warmest in August at 16 °C and coldest in March at 0.7 °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	0.6 °C	143 mm	88 %
February	-0.2 °C	122 mm	86 %
March	0.6 °C	124 mm	76 %
April	2.4 °C	110 mm	69 %
May	5.1 °C	102 mm	68 %
June	9.0 °C	106 mm	69 %
July	13.9 °C	110 mm	70 %
August	16.9 °C	100 mm	64 %
September	14.9 °C	126 mm	61 %
October	10.8 °C	143 mm	67 %
November	7.1 °C	143 mm	78 %
December	3.5 °C	153 mm	85 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days below 0 °C
January	0.6 °C	-3.2 °C	-1.5 °C	9.3 °C	-13.6 °C	26
February	-0.2 °C	-3.9 °C	-2.3 °C	7.6 °C	-15.4 °C	25
March	0.6 °C	-2.3 °C	-1.1 °C	7.0 °C	-14.4 °C	25
April	2.4 °C	0.4 °C	1.3 °C	8.6 °C	-7.1 °C	10
May	5.1 °C	3.3 °C	4.1 °C	10.2 °C	-2.8 °C	0
June	9.0 °C	7.4 °C	8.1 °C	15.0 °C	2.2 °C	0
July	13.9 °C	12.5 °C	13.1 °C	19.2 °C	5.7 °C	0
August	16.9 °C	15.5 °C	16.1 °C	21.5 °C	9.6 °C	0
September	14.9 °C	13.0 °C	13.8 °C	21.7 °C	5.6 °C	0
October	10.8 °C	8.6 °C	9.6 °C	17.4 °C	2.0 °C	0
November	7.1 °C	4.3 °C	5.5 °C	14.4 °C	-6.1 °C	1
December	3.5 °C	0.3 °C	1.7 °C	11.7 °C	-9.4 °C	14

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	143 mm	17	9.0 h/day	88 %	75 %	50 km/h	2.0 °C
February	122 mm	15	10 h/day	86 %	76 %	49 km/h	0.8 °C
March	124 mm	13	12 h/day	76 %	79 %	45 km/h	0.7 °C
April	110 mm	13	14 h/day	69 %	85 %	41 km/h	1.5 °C
May	102 mm	11	15 h/day	68 %	89 %	35 km/h	3.6 °C
June	106 mm	11	16 h/day	69 %	91 %	33 km/h	7.4 °C
July	110 mm	12	16 h/day	70 %	93 %	31 km/h	12.2 °C
August	100 mm	11	14 h/day	64 %	89 %	32 km/h	15.6 °C
September	126 mm	11	13 h/day	61 %	83 %	37 km/h	13.7 °C
October	143 mm	13	11 h/day	67 %	79 %	42 km/h	10.2 °C
November	143 mm	15	9.4 h/day	78 %	77 %	45 km/h	6.8 °C
December	153 mm	18	8.6 h/day	85 %	76 %	49 km/h	4.1 °C

Where Saint-Pierre ranks

Ranking	Position	Value
The coolest places in North America in April	2ndof 50	2.4 °C
The coolest places in North America in August	2ndof 50	17 °C
The coolest places in North America in July	2ndof 50	14 °C
The coolest places in North America in June	2ndof 50	9.0 °C
The coolest places in North America in May	2ndof 50	5.1 °C
The coolest places in North America in September	3rdof 50	15 °C

Planning a trip? See the best time to visit Saint-Pierre.

QuestionsCommon questions about Saint-Pierre’s climate

When is the best time to visit Saint-Pierre?

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

How hot does Saint-Pierre get?

In August, the warmest month, daily highs average 17 °C. The highest value in the 1991–2020 record is 22 °C.

How cold does it get in winter?

Nights average -3.9 °C in February, the coldest month. A normal year has 101 nights below freezing.

Which month is wettest in Saint-Pierre?

December, averaging 153 mm over 18 days with rain. The driest month is August with 100 mm. The year as a whole averages 1,482 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 Saint-Pierre 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.