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Town in Occitania, France

Carcassonne weather by month and the best time to visit

Updated October 2026Sources
Apr–Jun, Sep–OctBest time to visit

When to go to Carcassonne

Spring and autumn are mild with smaller crowds. July–August is hot and packed; the citadel is busiest on 14 July with fireworks. Winter is quiet and some places close.

Carcassonne weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
0°10°20°30°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January10°C51°F3°C38°F63 mm85%Cold
February11°C52°F3°C37°F49 mm82%Cool
March15°C59°F5°C42°F58 mm78%Cool
April18°C65°F8°C47°F68 mm76%Pleasant
May22°C72°F12°C53°F61 mm74%Pleasant
June28°C82°F16°C60°F39 mm68%Pleasant
July31°C87°F18°C64°F32 mm61%Pleasant
August30°C87°F18°C64°F36 mm60%Pleasant
September26°C78°F14°C58°F45 mm67%Pleasant
October21°C70°F11°C52°F68 mm77%Pleasant
November15°C58°F6°C44°F70 mm84%Cool
December11°C52°F4°C39°F53 mm85%Cool

Best months across France

PlaceBest monthsWarmest month
ParisApr–Jun, Sep–OctJul (25°C)
NiceMay–Jun, Sep–OctAug (26°C)
ProvenceMay–Jun, Sep–OctJul (32°C)
French RivieraMay–Jun, Sep–OctAug (26°C)
LyonApr–Jun, Sep–OctJul (28°C)
MarseilleApr–Jun, Sep–OctJul (33°C)
BordeauxMay–Jun, Sep–OctAug (28°C)
CannesMay–Jun, Sep–OctJul (30°C)
StrasbourgMay–Jun, Sep–Oct, DecJul (27°C)
ChamonixJun–Sep, Dec–MarJul (22°C)
AnnecyMay–Jul, SepJul (26°C)
CorsicaMay–Jun, Sep–OctAug (30°C)
Aix-en-ProvenceApr–Jun, Sep–OctJul (32°C)
ToulouseApr–Jun, Sep–OctJul (30°C)
Loire ValleyMay–Jun, Sep–OctJul (27°C)
NormandyMay–Jul, SepJul (23°C)
MontpellierApr–Jun, Sep–OctJul (30°C)
AvignonApr–Jun, Sep–OctJul (33°C)
BiarritzMay–Jun, Sep–OctAug (27°C)
ColmarMay–Jun, Sep–OctJul (27°C)
Saint-TropezMay–Jun, SepJul (30°C)
AntibesMay–Jun, Sep–OctJul (30°C)
NantesMay–SepJul (25°C)
LilleMay–SepJul (23°C)
CarcassonneApr–Jun, Sep–OctJul (31°C)
BrittanyJun–SepJul (24°C)
DordogneMay–Jun, Sep–OctAug (28°C)

Quick answers

What is the best month to visit Carcassonne?

Apr–Jun, Sep–Oct. Spring and autumn are mild with smaller crowds. July–August is hot and packed; the citadel is busiest on 14 July with fireworks. Winter is quiet and some places close.

When is the rainy season in Carcassonne?

Rain peaks in November with about 70 mm. No month averages 150 mm or more.

What is the hottest month in Carcassonne?

July, with average highs of 31°C (87°F).

How cold does Carcassonne get?

The coolest nights are in February, averaging 3°C (37°F).

More about Carcassonne

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 2°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.