Best year time to visit Janeiro

General weather information about Janeiro

Average annual temperature is 18.1 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -2.7 °C

Number of sunny days: 173 days

Number of rainy days: 192 days

Look at detailed online map of Janeiro

* Weather data for Janeiro United States is based on climate observations for 2026 year

Janeiro air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)22.726.226.428.029.530.834.434.934.427.424.922.8
Average daytime temperature (°C)15.317.317.822.323.127.131.030.927.923.117.515.0
Average temperature (°C)10.812.613.417.919.423.227.226.923.718.513.210.6
Average night temperature (°C)7.39.09.914.416.420.124.223.920.514.910.07.3
Absolute minimum temperature (°C)-0.2-2.70.47.910.414.421.820.415.69.8-1.20.1

Janeiro monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.110.912.013.114.014.514.213.412.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)6.97.08.39.59.911.410.810.79.69.17.67.0
Precipitation (mm)11110965136991131061781524355174
Sunny days171318141251919232022
Rainy days1415131619253022118109
Snow days000000000000

Best time to visit Janeiro:

The best time to visit Janeiro during the most sunny months:

  • June — 11.4(h)

The largest precipitation sum in Janeiro is at

  • August — 178(mm)
  • September — 152(mm)
  • December — 174(mm)
  • Frequently asked questions

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