Average annual temperature is 15.5 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -0.4 °C
Number of sunny days: 125 days
Number of rainy days: 238 days
Number of snow days: 2 days
Look at detailed online map of Oiartzun
* Weather data for Oiartzun Spain is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.4 | 22.2 | 26.1 | 27.3 | 30.1 | 27.6 | 35.5 | 37.8 | 33.2 | 32.3 | 24.0 | 20.8 |
| Average daytime temperature (°C) | 10.8 | 12.7 | 17.6 | 17.7 | 19.1 | 24.2 | 24.2 | 25.1 | 26.5 | 23.9 | 16.6 | 13.9 |
| Average temperature (°C) | 7.8 | 8.3 | 13.1 | 13.3 | 15.6 | 20.5 | 20.4 | 21.0 | 21.8 | 19.4 | 13.3 | 10.7 |
| Average night temperature (°C) | 5.2 | 4.4 | 8.9 | 9.5 | 12.1 | 17.3 | 16.9 | 17.2 | 17.5 | 15.4 | 10.4 | 7.9 |
| Absolute minimum temperature (°C) | -0.1 | 0.9 | -0.4 | 4.6 | 8.9 | 13.1 | 14.1 | 13.1 | 10.9 | 10.1 | 3.7 | 3.2 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 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) | 4.5 | 6.9 | 7.6 | 8.3 | 10.1 | 10.2 | 10.0 | 9.7 | 9.5 | 7.7 | 4.6 | 4.9 |
| Precipitation (mm) | 243 | 61 | 105 | 171 | 169 | 137 | 54 | 215 | 82 | 134 | 278 | 194 |
| Sunny days | 8 | 17 | 11 | 11 | 7 | 6 | 7 | 14 | 14 | 14 | 5 | 11 |
| Rainy days | 22 | 10 | 20 | 19 | 24 | 24 | 24 | 17 | 16 | 17 | 25 | 20 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oiartzun during the most sunny months:
Months with the longest average daylight duration in Oiartzun:
The largest precipitation sum in Oiartzun is at