Best year time to visit San Juan

General weather information about San Juan

Average annual temperature is 14.9 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: 0.2 °C

Number of sunny days: 133 days

Number of rainy days: 232 days

Look at detailed online map of San Juan

* Weather data for San Juan Spain is based on climate observations for 2026 year

San Juan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.017.223.921.424.728.531.030.728.731.622.620.8
Average daytime temperature (°C)12.212.216.416.817.821.922.623.323.922.216.514.1
Average temperature (°C)9.28.112.413.215.019.019.620.319.718.013.710.6
Average night temperature (°C)6.24.78.59.912.116.016.617.416.014.511.27.3
Absolute minimum temperature (°C)0.21.21.04.68.913.313.013.012.49.76.71.4

San Juan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.27.78.69.910.910.210.89.59.96.65.44.9
Precipitation (mm)2756256728098397274146189103
Sunny days101713141011781510711
Rainy days211118162119242315212320
Snow days000000000000

Best time to visit San Juan:

The best time to visit San Juan during the most sunny months:

  • May — 10.9(h)
  • July — 10.8(h)

Months with the longest average daylight duration in San Juan:

  • June — 15.4(h)

The largest precipitation sum in San Juan is at

  • January — 275(mm)
  • October — 146(mm)
  • November — 189(mm)