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São João de Meriti Weather and Climate: A Comprehensive Guide

São João de Meriti has a steady warm climate throughout the year. It also has a relatively rainy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In São João de Meriti temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 33°C in February to a comfortable 27°C in July.

Nighttime temperatures can drop, with average lows reaching 16°C in July. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

São João de Meriti experiences significant rainfall throughout the year, averaging 1508 mm of precipitation annually. The seasons in São João de Meriti, bring significant changes in precipitation. The wettest month, January, receives heavy rainfall, with an average of 238 mm of precipitation. This rainfall is distributed across 20 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 42 mm over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our São João de Meriti Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

São João de Meriti enjoys sunny spells year-round. January sees up to 7.1 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 4.8 hours of sun despite this cloudier time of the year. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Rio de Janeiro, Brazil (24 KM, 15 Miles).

Daily hours of sunshine

Data from: Rio de Janeiro, Brazil (24 KM, 15 Miles).

Average water temperature

The mean water temperature over the year ranges from 21°C in August to 26°C in February.

Water temperature over the year

Data from: Rio de Janeiro, Brazil (24 KM, 15 Miles).

Forecast for São João de Meriti

Sun   Dec 22
32°C | 22°C
E 5 m/s
19 mm
broken clouds and thunder

broken clouds and thunder

Mon   Dec 23
28°C | 22°C
S 6 m/s
9.2 mm
overcast and heavy rain

overcast and heavy rain

Tue   Dec 24
29°C | 21°C
SE 6 m/s
5.6 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit São João de Meriti in Brazil

São João de Meriti has high temperatures year round ranging between 26°C and 32°C.
Other facts from our historical weather data:
  • Which months have the greatest rainfall in São João de Meriti?
    Most rainfall (rainy season) is seen in January, February, March, November and December.
  • Which is the wettest month in São João de Meriti?
    January tops the wettest month list with 238 mm of rainfall.
  • Which is the driest month in São João de Meriti?
    August is the driest month with 42 mm of precipitation.
  • Which is the sunniest month in São João de Meriti?
    January is the sunniest month with an average of 212 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.