Best year time to visit San Juan

General weather information about San Juan

Average annual temperature is 19.4 °C

Absolute maximum temperature: 44.2 °C

Absolute minimum temperature: -0.6 °C

Number of sunny days: 333

Number of rainy days: 32

Number of snow days:

Average annual precipitation: 32 mm

Look at detailed online map of San Juan

* Weather data for San Juan Argentina is based on climate observations for 2023 year

San Juan air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 39.2 40.7 37.5 33 27.5 24 24.6 31.3 33.6 36.6 38 44.2
Average daytime temperature (°C) 34.5 34 31.2 25.6 21.2 17 16.6 21.4 23.2 27.7 31.7 34
Average temperature (°C) 27.8 26.9 25.7 19.2 14.5 10.6 9.3 13.4 15.5 19.9 23.7 27.1
Average night temperature (°C) 20.8 19.9 20.2 12.8 8.5 5.1 3.6 6.6 8.5 12.1 15.3 19.6
Absolute minimum temperature (°C) 17 8.2 10.8 6.5 4.9 -0.3 -0.6 1 4.1 5.2 6.1 11.5

San Juan monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 14.2 13.6 12.8 11.8 10.9 10.2 10.6 11.4 12.4 13.3 14 14.2
Daylight mean duration (h) 13.9 13.2 12.3 11.3 10.5 10.1 10.3 11 11.9 12.9 13.7 14.2
Daylight minimum duration (h) 13.6 12.8 11.8 10.9 10.2 10.1 10.1 10.6 11.5 12.4 13.4 14
Sunshine mean duration (h) 12.4 11.8 10.5 10 9.2 8.6 8.8 10 10.6 11.8 12.5 12.6
Precipitation (mm) 10 1 5 11 0 0 0 0 0 1 4 0
Sunny days 20 24 24 27 30 30 31 31 28 29 28 31
Rainy days 11 4 7 3 1 2 2 2

San Juan - weather forecast by months

January February March April May June July August September October November December

Best time to visit San Juan:

The largest precipitation sum in San Juan is at

  • January — 10(mm)
  • March — 5(mm)
  • April — 11(mm)
  • November — 4(mm)

Weather forecast in the closest to San Juan admin centers