France heating and cooling degree days
France heating and cooling degree days are published monthly, both nationally and by region.
| Indicator | 12-2025 | 11-2025 | 10-2025 | 09-2025 | 08-2025 | 07-2025 | 06-2025 | 05-2025 | 04-2025 | 03-2025 | 02-2025 | 01-2025 | 12-2024 | 11-2024 | 10-2024 | 09-2024 | 08-2024 | 07-2024 | 06-2024 | 05-2024 | 04-2024 | 03-2024 | 02-2024 | 01-2024 | 12-2023 | 11-2023 | 10-2023 | 09-2023 | 08-2023 | 07-2023 | 06-2023 | 05-2023 | 04-2023 | 03-2023 | 02-2023 | 01-2023 | 12-2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heating degree days | 351.86 | 272.07 | 154.74 | 62.5 | 5.32 | 5.84 | 8.05 | 92.49 | 163.72 | 293.55 | 329.26 | 402.1 | 386.84 | 263.05 | 106.87 | 67.91 | 2.37 | 6.17 | 36.69 | 102.21 | 198.78 | 261.2 | 274.37 | 396.35 | 339.7 | 271.4 | 91.7 | 15.12 | 10.97 | 2.99 | 6.7 | 94.65 | 225.4 | 276.06 | 339.19 | 397.22 | 379.44 | |
| Cooling degree days | 0 | 0.01 | 0 | 1.29 | 39.71 | 23.17 | 35.76 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.78 | 28.88 | 26.88 | 4.07 | 0.01 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0.34 | 19.77 | 40.48 | 20.54 | 4.99 | 0 | 0 | 0 | 0 | 0 | 0 | |
| By region2 | ||||||||||||||||||||||||||||||||||||||
| Heating degree days14 | ||||||||||||||||||||||||||||||||||||||
| France | 351.86 | 272.07 | 154.74 | 62.5 | 5.32 | 5.84 | 8.05 | 92.49 | 163.72 | 293.55 | 329.26 | 402.1 | 386.84 | 263.05 | 106.87 | 67.91 | 2.37 | 6.17 | 36.69 | 102.21 | 198.78 | 261.2 | 274.37 | 396.35 | 339.7 | 271.4 | 91.7 | 15.12 | 10.97 | 2.99 | 6.7 | 94.65 | 225.4 | 276.06 | 339.19 | 397.22 | 379.44 | |
| Île-de-France | 351.36 | 281.9 | 171.37 | 59.75 | 0.12 | 0.51 | 3.4 | 89.54 | 151.7 | 288.04 | 364.17 | 430.27 | 382.16 | 297.92 | 123.59 | 64.54 | 0 | 1.98 | 41.78 | 76.54 | 190.78 | 260.12 | 266.33 | 424.09 | 331.21 | 268.11 | 110.78 | 14.85 | 5.26 | 0 | 0.83 | 85.73 | 245.82 | 280.48 | 332.22 | 378.03 | 406.16 | |
| Centre-Val de Loire | 351.69 | 266.88 | 166.97 | 58.5 | 0.05 | 0.05 | 1.58 | 85.85 | 155.97 | 292.64 | 341.28 | 412.23 | 378.33 | 276.02 | 106.8 | 60.31 | 0.36 | 1.67 | 31.39 | 96.29 | 187.8 | 259.63 | 268.55 | 403.03 | 324.46 | 256.26 | 98.41 | 11.86 | 4.64 | 0 | 0.04 | 84.65 | 230.06 | 273.54 | 334.85 | 377.47 | 392.48 | |
| Bourgogne-Franche-Comté | 396.33 | 317.38 | 205.41 | 74.56 | 5.21 | 5.99 | 3.85 | 108.96 | 183.53 | 314.09 | 364.52 | 438.61 | 451.39 | 320.99 | 116.76 | 78.45 | 1.45 | 3.99 | 33.97 | 103.25 | 220.81 | 273.18 | 299.68 | 438.5 | 379.86 | 312.05 | 108.52 | 16.73 | 12.43 | 1.67 | 1.56 | 96.58 | 258.24 | 307.81 | 363.01 | 418.29 | 418.28 | |
| Normandy | 346.77 | 248.07 | 169.79 | 61.84 | 1.98 | 0.43 | 25.61 | 112.41 | 177.87 | 304.04 | 353.98 | 429.54 | 352.19 | 282.22 | 142.8 | 74.25 | 2 | 9.43 | 73.52 | 113.94 | 214.56 | 278.59 | 256.74 | 412.66 | 310.09 | 259.77 | 114.07 | 16.14 | 6.36 | 1.09 | 9.64 | 131.28 | 249.13 | 285.69 | 325.1 | 367.64 | 404.03 | |
| Hauts-de-France | 361.9 | 283.64 | 175.97 | 66.85 | 2.72 | 0.7 | 18.71 | 113.47 | 170.85 | 305.95 | 377.1 | 449.13 | 380.85 | 305.68 | 150.67 | 70.05 | 0.43 | 7.74 | 65.34 | 90.79 | 207.47 | 277.26 | 271.5 | 441.87 | 334.2 | 285.8 | 119.22 | 19.04 | 10.89 | 0.31 | 6.35 | 132.31 | 271.35 | 306.93 | 336.11 | 386.24 | 425.54 | |
| Grand Est | 396.94 | 324.7 | 206.34 | 70.97 | 6.25 | 5 | 7.45 | 112.09 | 185.72 | 312.93 | 390.01 | 452 | 445 | 337.93 | 139.15 | 75.06 | 1.04 | 7.07 | 39.17 | 84.67 | 211.93 | 278.82 | 294.92 | 462.87 | 379.58 | 316.43 | 130.95 | 18.49 | 15.11 | 0.77 | 0.22 | 98.25 | 268.46 | 317.04 | 363.3 | 416.64 | 441.29 | |
| Pays de la Loire | 325.18 | 216.91 | 128.34 | 39.71 | 0.1 | 0 | 3.3 | 65.67 | 140.19 | 268.62 | 321.94 | 393.15 | 335.33 | 249.84 | 101.58 | 55.01 | 0.53 | 2.86 | 27.85 | 79.54 | 182.3 | 254.95 | 237.54 | 370.23 | 294.24 | 227.3 | 85.33 | 8.74 | 1.21 | 0.09 | 0.33 | 65.31 | 206.55 | 256.15 | 312.88 | 348.48 | 371.26 | |
| Brittany | 318.29 | 205.55 | 138.94 | 56.67 | 0.44 | 0.09 | 22.68 | 90.89 | 158.83 | 273.67 | 305.3 | 382.78 | 314.21 | 233.97 | 125.57 | 66.8 | 3.52 | 11.05 | 58 | 112.56 | 207.6 | 267.88 | 230.42 | 363.13 | 270.46 | 233.97 | 98.08 | 14.2 | 2.23 | 0.76 | 7.04 | 103.78 | 215.55 | 258.92 | 300.69 | 333.8 | 365.65 | |
| Nouvelle-Aquitaine | 313.9 | 225.97 | 103.09 | 47.82 | 1.67 | 1.34 | 1.81 | 57.23 | 127.6 | 254.91 | 269.16 | 350.73 | 343.07 | 191.48 | 68.59 | 46.25 | 0.8 | 2.38 | 14.91 | 89.93 | 164.35 | 223.11 | 251.15 | 344.3 | 308.23 | 223.43 | 57.89 | 4.51 | 4.99 | 1.03 | 0.67 | 65.15 | 176.56 | 225.39 | 317.8 | 369.19 | 323.36 | |
| Occitanie | 321.25 | 253.65 | 100.55 | 54.22 | 5.74 | 7.35 | 4.52 | 73.16 | 145.98 | 280.06 | 285.8 | 360.72 | 362.19 | 206.62 | 74.17 | 57.06 | 3.02 | 6.61 | 23.84 | 103.34 | 183.18 | 233.84 | 268.21 | 351.31 | 329.67 | 248.86 | 58.2 | 9.83 | 10.46 | 3.9 | 8.72 | 81.22 | 176.06 | 245.95 | 334.35 | 411.06 | 321.95 | |
| Auvergne-Rhône-Alpes | 400.58 | 329.86 | 205.88 | 92.61 | 15.95 | 19.49 | 11.35 | 126.95 | 202.06 | 338.09 | 359.07 | 437.13 | 456.74 | 303.15 | 123.94 | 102.92 | 7.2 | 11.51 | 47.08 | 143.2 | 241.33 | 298.05 | 320.54 | 437.4 | 403.23 | 335.25 | 108.12 | 27.57 | 25.65 | 10.64 | 17 | 125.35 | 263.96 | 316.27 | 377.01 | 464.57 | 422.75 | |
| Provence-Alpes-Côte d'Azur | 350.29 | 300.17 | 145.36 | 65.25 | 13.94 | 16.85 | 9.74 | 105.59 | 180.19 | 308.32 | 317.67 | 379.99 | 396 | 257.6 | 99.39 | 72.85 | 5.19 | 8.17 | 39.32 | 118.35 | 197.12 | 281.27 | 292.36 | 377.9 | 360.37 | 295.47 | 83.38 | 28.69 | 18.82 | 9.92 | 29.12 | 104.26 | 218.93 | 284.37 | 344.98 | 425.4 | 366.43 | |
| Corsica | 228.96 | 166.34 | 47.98 | 7.73 | 0.43 | 0.64 | 0 | 41.21 | 115.67 | 208.63 | 220.57 | 254.37 | 280.04 | 121.35 | 27.63 | 21.11 | 0 | 0.69 | 11.4 | 44.38 | 122.75 | 196.84 | 217.28 | 250.1 | 239.34 | 137.45 | 14.57 | 4.44 | 5.89 | 0.69 | 5.32 | 47.91 | 158.82 | 203.71 | 274.3 | 293.93 | 202.14 | |
| Cooling degree days14 | ||||||||||||||||||||||||||||||||||||||
| France | 0 | 0.01 | 0 | 1.29 | 39.71 | 23.17 | 35.76 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.78 | 28.88 | 26.88 | 4.07 | 0.01 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0.34 | 19.77 | 40.48 | 20.54 | 4.99 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Île-de-France | 0 | 0 | 0 | 0 | 14.53 | 15.31 | 22.58 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.19 | 13.54 | 16.7 | 3.32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24.32 | 10.08 | 5.82 | 4.05 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Centre-Val de Loire | 0 | 0 | 0 | 0.08 | 26.34 | 18.2 | 38.16 | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 15.02 | 20.39 | 1.9 | 0.08 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 33.22 | 30.29 | 5.28 | 2.96 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bourgogne-Franche-Comté | 0 | 0 | 0 | 0.13 | 28.91 | 13.43 | 29.24 | 0.07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.39 | 21.14 | 15.18 | 3.21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.16 | 39.69 | 16.31 | 0.77 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Normandy | 0 | 0 | 0 | 0 | 2.02 | 4.74 | 8.09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.94 | 8.07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.56 | 1.66 | 0.3 | 1.07 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Hauts-de-France | 0 | 0 | 0 | 0 | 6.83 | 9.12 | 5.87 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.98 | 6.76 | 10.79 | 0.12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.16 | 2.37 | 0.88 | 0.61 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Grand Est | 0 | 0 | 0 | 0 | 17.86 | 13.67 | 19.65 | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.11 | 16.2 | 9.37 | 1.53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.41 | 14.93 | 10.23 | 1.41 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pays de la Loire | 0 | 0 | 0 | 0.01 | 23.99 | 17.84 | 33.92 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.06 | 17.41 | 3.18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.04 | 32.66 | 22.32 | 1.44 | 4.44 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Brittany | 0 | 0 | 0 | 0 | 6.34 | 4.78 | 13.37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.92 | 4.81 | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.18 | 1.88 | 0.01 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Nouvelle-Aquitaine | 0 | 0.06 | 0 | 4.88 | 60.2 | 24.1 | 47.42 | 1.19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20.91 | 30.82 | 5.63 | 0 | 0.12 | 0 | 0 | 0 | 0 | 0 | 1.29 | 35.9 | 52.25 | 11.04 | 2.07 | 0 | 0 | 0.01 | 0 | 0 | 0 | |
| Occitanie | 0 | 0 | 0 | 1.44 | 80.14 | 42.04 | 61.31 | 2.23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.71 | 56.48 | 54.52 | 8.28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.8 | 19.37 | 77.3 | 42.56 | 12.21 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Auvergne-Rhône-Alpes | 0 | 0 | 0 | 0.36 | 44.41 | 22.33 | 36.52 | 0.14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.18 | 36.13 | 24.68 | 3.52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.04 | 13.02 | 59.06 | 28.64 | 4.07 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Provence-Alpes-Côte d'Azur | 0 | 0 | 0 | 1.07 | 62.89 | 56.25 | 53.87 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.99 | 82.71 | 62.13 | 6.77 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0.09 | 9.73 | 68.12 | 74.06 | 19.23 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Corsica | 0 | 0 | 0 | 13.56 | 90.71 | 83.92 | 66.97 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.04 | 26.68 | 136.77 | 97.46 | 24.87 | 0.03 | 0 | 0 | 0 | 0 | 0 | 0.03 | 1.4 | 21.76 | 87.73 | 124.05 | 29.89 | 0 | 0 | 0 | 0 | 0 | 0 |
Latest reading
Heating degree days stood at 351.86 Degree days in Dec 2025. That is +29.3% from Nov 2025 and −9.0% from a year earlier. The series on this page is monthly and runs from Jan 1980 to Dec 2025. Source: Eurostat – cooling and heating degree days by country, monthly (nrg_chdd_m).
- Latest
- 351.86 Degree days
- Dec 2025
- vs previous period
- +29.3%
- Nov 2025
- vs a year earlier
- −9.0%
About this data
France heating and cooling degree days are published monthly, both nationally and by region. This dataset from Eurostat provides monthly heating degree days and cooling degree days used to monitor weather-related energy demand. The series cover the entire country and individual administrative regions such as Île-de-France, Normandy, and Corsica. All data are updated monthly with historical coverage dating back to 1980.
Frequently asked questions
- What are France heating and cooling degree days?
- France heating and cooling degree days are weather-based indices used to describe energy requirements for heating or cooling buildings. They measure how much and for how long the outside air temperature was higher or lower than a specific baseline temperature.
- Which regional breakdowns are available for French degree days?
- The dataset includes monthly degree days for the whole of France as well as individual administrative regions. These regional breakdowns cover areas such as Île-de-France, Normandy, Brittany, Occitanie, and Corsica.
- How far back does the France degree days data go?
- The monthly series for French heating and cooling degree days begin in 1980. The dataset is regularly updated with the latest monthly figures published by Eurostat.
- How are France heating and cooling degree days used in energy analysis?
- Analysts use France heating and cooling degree days to adjust energy consumption statistics for weather fluctuations. This allows for a more accurate comparison of underlying energy efficiency and consumption trends over time.
