Weather in State of Rio de Janeiro, Brazil in December

So you're interested in going to State of Rio de Janeiro, Brazil in December

December is a hot and slightly rainy time for sunbathing in State of Rio de Janeiro. December is a good month for swimming in State of Rio de Janeiro with warm sea temperatures. Consider visiting State of Rio de Janeiro in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for December.

Temperature in State of Rio de Janeiro in December

The average maximum temperature in State of Rio de Janeiro in December is 30°. The average maximum temperature is 28° in the previous month and 31° in the next month.

The average temperature in State of Rio de Janeiro in December is 26°. The average temperature ranges is 24° in the previous month and 27° in the next month.

The average minimum temperature in State of Rio de Janeiro in December is 23°. The minimum temperature is 21° in the previous month and 23° in the next month.

Sunshine in State of Rio de Janeiro in December

The average day light hours per day in State of Rio de Janeiro in December are 13.5 and there are 5.6 hours of sunshine per day on average during December making it a sunny month that is overcast at times.

The ultraviolet index in State of Rio de Janeiro in December is typically 14.8 during December. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in State of Rio de Janeiro in December

The average sea water temperature in State of Rio de Janeiro in December is 24.9° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in State of Rio de Janeiro in December

The average total rainfall in State of Rio de Janeiro in December is 0.3cm and on average there are 13.2 rainy days in December making it a slightly wet time to visit the beach.

Humidity in State of Rio de Janeiro in December

The maximum dew point (an indicator of humidity) in State of Rio de Janeiro in December is 23° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 22° in the previous month and 24° in the next month.

The average maximum relative humidity in State of Rio de Janeiro in December is typically 93.8%. The maximum relative humidity is 93.1% in the previous month and 93% in the next month.

The average relative humidity in State of Rio de Janeiro in December is typically 78.9%. The average relative humidity is 78.4% in the previous month and 77.3% in the next month.

Wind Speed in State of Rio de Janeiro in December

The average maximum wind speed in State of Rio de Janeiro in December is typically 24kmh. The average maximum wind speed is 25kmh in the previous month and 24kmh in the next month.

The average wind speed in State of Rio de Janeiro in December is typically 11kmh. The average wind speed is 11kmh in the previous month and 11kmh in the next month.

The average wind direction in State of Rio de Janeiro in December is from the South-Southeast.

Monthly Averages

Suggested Beaches in December

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