Average annual temperature is 14.0 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 155 days
Number of rainy days: 210 days
Look at detailed online map of Costes
* Weather data for Costes France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.1 | 17.2 | 23.4 | 26.2 | 28.3 | 30.1 | 32.7 | 38.7 | 34.2 | 30.9 | 19.7 | 14.3 |
| Average daytime temperature (°C) | 8.2 | 11.5 | 14.7 | 17.2 | 21.2 | 26.2 | 26.8 | 28.0 | 27.7 | 21.9 | 13.3 | 10.1 |
| Average temperature (°C) | 5.2 | 5.4 | 9.9 | 12.2 | 16.1 | 21.0 | 21.6 | 22.2 | 21.2 | 16.4 | 9.8 | 6.9 |
| Average night temperature (°C) | 2.2 | 0.8 | 5.6 | 7.4 | 11.1 | 16.2 | 16.3 | 16.7 | 15.8 | 11.8 | 6.6 | 3.9 |
| Absolute minimum temperature (°C) | -4.3 | -3.5 | -3.5 | -0.7 | 6.8 | 13.9 | 12.9 | 9.4 | 9.1 | 7.6 | -3.2 | -3.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 7.8 | 7.3 | 8.7 | 11.2 | 10.9 | 12.3 | 11.1 | 10.4 | 7.4 | 5.2 | 3.6 |
| Precipitation (mm) | 87 | 19 | 118 | 86 | 63 | 108 | 30 | 51 | 47 | 112 | 217 | 91 |
| Sunny days | 11 | 22 | 12 | 11 | 9 | 7 | 17 | 16 | 17 | 17 | 7 | 9 |
| Rainy days | 20 | 6 | 19 | 19 | 22 | 23 | 14 | 15 | 13 | 14 | 23 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Costes during the most sunny months:
Months with the longest average daylight duration in Costes:
The largest precipitation sum in Costes is at