Trévou-Tréguignec Temperature by Month

The average annual maximum temperature in Trévou-Tréguignec, Brittany, France is 15°C (59°F), with daytime highs ranging from 11°C (52°F) in February to 20°C (68°F) in August. This page covers monthly averages, day-night differences, and how Trévou-Tréguignec compares to cities worldwide.

Seasonal changes in Trévou-Tréguignec bring a little variety without extreme temperature swings. Nighttime lows range from 15°C (59°F) in August to 6°C (43°F) in February.

The chart below illustrates the average maximum day and minimum night temperatures in Trévou-Tréguignec by month:

Temperatures tend to bottom out between 4 AM and 6 AM, then climb to their daily peak around 3 PM.

The chart below shows the average temperature throughout the year:

Trévou-Tréguignec's average annual maximum temperature is 15°C (59°F). To put that in context, here's how it compares to a few well-known destinations:

Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.

Reykjavík, Iceland averages 9°C (48°F) a year, mild summers by Icelandic standards, but cold winters and frequent wind.

New York City, USA averages 17°C (63°F) a year, with hot humid summers and cold winters that bring regular snowfall.

Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.

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 Trévou-Tréguignec this rarely lasts long on the ground.

For more on Trévou-Tréguignec's weather, including monthly rainfall, sunshine hours, and humidity, visit our Trévou-Tréguignec climate page.