Best year time to visit San Juán

General weather information about San Juán

Average annual temperature is 9.4 °C

Absolute maximum temperature: 19.0 °C

Absolute minimum temperature: -2.5 °C

Number of sunny days: 55 days

Number of rainy days: 310 days

Look at detailed online map of San Juán

* Weather data for San Juán Peru is based on climate observations for 2026 year

San Juán air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.414.915.715.415.615.918.519.018.217.317.516.1
Average daytime temperature (°C)13.013.013.413.613.413.815.916.215.615.214.614.5
Average temperature (°C)8.69.09.09.09.18.19.69.910.010.210.110.3
Average night temperature (°C)5.26.55.64.95.52.53.94.65.76.46.67.2
Absolute minimum temperature (°C)2.24.01.92.52.1-2.50.60.92.43.22.75.0

San Juán monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)12.012.012.012.011.011.011.011.012.012.012.012.0
Daylight mean duration (h)12.612.412.211.911.611.511.611.812.012.312.612.7
Daylight minimum duration (h)12.012.012.011.011.011.011.011.011.012.012.012.0
Sunshine mean duration (h)8.68.68.89.910.010.510.610.810.510.08.99.0
Precipitation (mm)205316307165120131431105149203284
Sunny days000031720131010
Rainy days312831302813111829312931
Snow days000000000000

San Juán - weather forecast by months

San Juán weather in januarySan Juán weather in februarySan Juán weather in marchSan Juán weather in aprilSan Juán weather in maySan Juán weather in juneSan Juán weather in julySan Juán weather in augustSan Juán weather in septemberSan Juán weather in octoberSan Juán weather in novemberSan Juán weather in december

Best time to visit San Juán:

The largest precipitation sum in San Juán is at

  • January — 205(mm)
  • February — 316(mm)
  • March — 307(mm)
  • November — 203(mm)
  • December — 284(mm)

    • Weather forecast in the closest to San Juán admin centers

    Weather forecast in the closest towns to San Juán

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    Frequently asked questions

    When is the best time to visit San Juán?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit San Juán.
    What is the weather like in San Juán?
    See average temperature, rainfall and daylight hours for San Juán by month in the table above.
    How many sunny days does San Juán have?
    The monthly weather statistics above show sunshine and rainfall patterns for San Juán throughout the year.