Saint-Étienne climate

Name: Saint-Étienne
Address: FR

Saint-Étienne is warmest in August, with average highs of 25 °C, and coldest in February, when nights average -0.3 °C. May is the wettest month (101 mm) and February the driest (49 mm). Figures are 1991–2020 climate normals.

Across a full year Saint-Étienne averages 943 mm of rain, 45 days above 25 °C and 59 days below freezing.

France · population 176,280 · 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 25 °C
Coldest month February -0.3 °C
Driest month February 49 mm
Wettest month May 101 mm
Least cloud July 47 % cloud
Hottest on record June 38 °C
Coldest on record January -16 °C

What to expectSaint-Étienne through the year

Saint-Étienne has a clear annual cycle: average daily highs run from 7.5 °C in February to 25 °C in August, a swing of 17 °C in mean temperature across the year.

Counted across a normal year, 45 days a year reach 25 °C, 8 of them reach 30 °C, 59 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in June.

Rain is strongly seasonal. May averages 101 mm against 49 mm in February — 2.0 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	6.3 °C	64 mm	70 %
February	7.5 °C	49 mm	64 %
March	11.2 °C	55 mm	59 %
April	14.3 °C	86 mm	60 %
May	18.1 °C	101 mm	62 %
June	22.2 °C	89 mm	55 %
July	24.7 °C	79 mm	47 %
August	24.8 °C	75 mm	48 %
September	20.2 °C	89 mm	54 %
October	15.8 °C	98 mm	66 %
November	10.1 °C	94 mm	71 %
December	7.0 °C	64 mm	71 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	6.3 °C	-0.1 °C	2.9 °C	15.9 °C	-15.7 °C	0	0	16
February	7.5 °C	-0.3 °C	3.3 °C	18.6 °C	-15.5 °C	0	0	15
March	11.2 °C	2.2 °C	6.6 °C	21.1 °C	-11.6 °C	0	0	8
April	14.3 °C	4.7 °C	9.6 °C	25.0 °C	-3.6 °C	0	0	2
May	18.1 °C	8.6 °C	13.6 °C	29.7 °C	0.0 °C	2	0	0
June	22.2 °C	12.3 °C	17.5 °C	37.9 °C	4.4 °C	9	1	0
July	24.7 °C	14.6 °C	19.8 °C	37.6 °C	7.0 °C	15	3	0
August	24.8 °C	14.6 °C	19.7 °C	36.1 °C	6.9 °C	15	4	0
September	20.2 °C	11.1 °C	15.6 °C	31.8 °C	2.4 °C	4	0	0
October	15.8 °C	8.1 °C	11.7 °C	26.2 °C	-2.5 °C	0	0	1
November	10.1 °C	3.6 °C	6.7 °C	21.6 °C	-8.6 °C	0	0	6
December	7.0 °C	1.0 °C	3.8 °C	16.1 °C	-13.6 °C	0	0	13

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	64 mm	12	9.1 h/day	70 %	84 %	15 km/h
February	49 mm	10	10 h/day	64 %	79 %	15 km/h
March	55 mm	11	12 h/day	59 %	75 %	16 km/h
April	86 mm	13	14 h/day	60 %	73 %	16 km/h
May	101 mm	13	15 h/day	62 %	73 %	15 km/h
June	89 mm	12	16 h/day	55 %	70 %	14 km/h
July	79 mm	10	15 h/day	47 %	67 %	14 km/h
August	75 mm	9	14 h/day	48 %	68 %	13 km/h
September	89 mm	9	13 h/day	54 %	74 %	14 km/h
October	98 mm	11	11 h/day	66 %	81 %	15 km/h
November	94 mm	12	9.5 h/day	71 %	85 %	15 km/h
December	64 mm	11	8.7 h/day	71 %	85 %	15 km/h

How Saint-Étienne 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
Saint-Étienne	25 °C	-0.3 °C	943 mm	45
Lyon · France	27 °C	0.5 °C	943 mm	64
Grenoble · France	26 °C	-0.7 °C	1,432 mm	64
Geneva · Switzerland	24 °C	-1.0 °C	1,385 mm	39

Where Saint-Étienne ranks

Ranking	Position	Value
Places with the best weather in Europe in July	27th of 50	89/100

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

QuestionsCommon questions about Saint-Étienne’s climate

When is the best time to visit Saint-Étienne?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August 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 Saint-Étienne get?

In August, the warmest month, daily highs average 25 °C. About 8 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average -0.3 °C in February, the coldest month. A normal year has 59 nights below freezing.

Which month is wettest in Saint-Étienne?

May, averaging 101 mm over 13 days with rain. The driest month is February with 49 mm. The year as a whole averages 943 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-Étienne 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: 45.434°, 4.390° (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.