ClimateObservatory

France

Temperature trends in Nantes

3 weather stations · coverage 1946–2025

Nantes · europe · population ~0.3MGoogle Maps · Terms

Primary weather station near Nantes with the most complete temperature record

NANTES-BOUGUENAIS

Station record

Station id
742
Source
ECAD
Record
1946–2025
Years
80
Warmest year
2022 (14.2°C)
Coldest year
1963 (10.3°C)
Trend since 1980
+0.32°C / decade

NANTES-BOUGUENAIS

1946–2025 · Nantes, France

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First 10 years (1946–1955): 11.80 °C · Last 10 years (2016–2025): 13.23 °C · Gap: +1.43 °C

Annual mean temperatures — ECAD source.

Overview

Nantes, located in France, has experienced significant changes in its climate over the past decades. With a population of 323,204, the city is monitored by multiple stations, including NANTES-BOUGUENAIS, which provides valuable climate data.

1.43°C warming from 1946–1955 to 2016–2025

Climate Data

The climate data for Nantes spans from 1946 to 2025, with the following key statistics:

  • Mean temperature from 1946–1955: 11.8°C
  • Mean temperature from 2016–2025: 13.23°C
  • Warming of 1.43°C observed between these periods

Recent trends show that the mean temperature from 2016 to 2025 has increased by 0.83°C compared to the previous decade (2006–2015), which had a mean temperature of 12.4°C.

Additionally, the average temperature from 1991 to 2020 in Nantes is approximately 12.47°C, slightly below the national benchmark of 13.52°C.

Climate Context

Compared to Paris, Nantes is experiencing a slightly cooler climate, with a temperature difference of -0.13°C.

Climate Impacts

  1. Increased risk of heat waves due to rising temperatures.
  2. Potential for more frequent droughts as the climate continues to warm.
  3. Changes in local ecosystems and biodiversity as species adapt to new temperature norms.

Climate Records

The warmest recorded year in Nantes was 2022, with a temperature of 14.15°C, while the coldest was in 1963 at 10.33°C.

YearTemperature (°C)
202214.15
202313.95
202013.63
202513.51
198913.38

Across the full record, Nantes has shown a clear warming trend, reflecting broader climate change patterns.

Frequently asked questions

Which weather station is used for Nantes?
Statistics on this page come from the NANTES-BOUGUENAIS station, id 742, ECAD source.
How long is the temperature record in Nantes?
The record runs from 1946 to 2025 (80 years with data).
How much has Nantes warmed?
The annual mean changed by +1.43°C from 1946–1955 to 2016–2025 (first 10 vs last 10 years of the series).
What was the warmest year on record in Nantes?
The warmest year in this series is 2022 (annual mean 14.2°C).
What is the decade trend since 1980 in Nantes?
The linear trend since 1980 is +0.32°C per decade.

Downloads — primary station

Station: NANTES-BOUGUENAIS (ECAD 742).

Fossil CO₂ emissions (ODIAC) in the grid cell for Nantes

1° gridded estimate (fossil carbon surface flux integrated over the calendar year, 2000–2023) for the grid cell that contains the city: the plotted value is a surface emission intensity (gC/m²/yr), comparable across regions, not local air CO₂ concentration (wind and mixing are not represented here).

CO₂ page (ODIAC map, Keeling…)

ODIAC 1°×1° grid cell (centre ≈ 47.5°, -1.5°).

All other weather stations near Nantes

Here are the 2 other stations linked to this page near Nantes, with data that typically span 1946–2025, depending on the site.