Castelsarrasin Temperature by Month
The average annual maximum temperature in Castelsarrasin, Midi-Pyrénées, France is 20°C (68°F), with daytime highs ranging from 11°C (52°F) in February to 30°C (86°F) in August. This page covers monthly averages, day-night differences, and how Castelsarrasin compares to cities worldwide.
Castelsarrasin Monthly Temperatures
Depending on the time of the year, temperatures range from comfortable to cold in Castelsarrasin. At night, minimum temperatures range from 17°C (63°F) in August to 3°C (37°F) in February.
The chart below illustrates the average maximum day and minimum night temperatures in Castelsarrasin by month:
Temperatures tend to bottom out between 4 AM and 6 AM, then climb to their daily peak around 3 PM. August, the warmest month, sees 240 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Castelsarrasin vs France
The map below shows the annual temperature across France. You can also select individual months if you want to compare a specific time of year.
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Castelsarrasin vs World: Temperature Compared
Castelsarrasin's average annual maximum temperature is 20°C (68°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Seoul, South Korea averages 18°C (64°F) a year, with four clear seasons, cold winters, and hot humid summers.
Melbourne, Australia averages 20°C (68°F) annually — known for unpredictable weather, with four seasons sometimes happening in one day.
What Does the Temperature Feel Like in Castelsarrasin?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Castelsarrasin, February is the coolest month, with average highs of 13°C (55°F) and humidity around 82% — considered very high. In August, the warmest month, temperatures average 30°C (86°F) with 71% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Castelsarrasin this rarely lasts long on the ground.
For more on Castelsarrasin's weather — including monthly rainfall, sunshine hours, and humidity — visit our Castelsarrasin climate page.
