Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's average high-temperature in Rio de Janeiro is a still warm 26.8°C (80.2°F), maintaining a close comparison with March's 28.3°C (82.9°F). Rio de Janeiro records an average low of 21.5°C (70.7°F) throughout the nights in April.Humidity
The average relative humidity in April in Rio de Janeiro, Brazil, is 81%.Rainfall
In Rio de Janeiro, in April, it is raining for 16.7 days, with typically 52mm (2.05") of accumulated precipitation. In Rio de Janeiro, during the entire year, the rain falls for 192.5 days and collects up to 812mm (31.97") of precipitation.Sea temperature
In Rio de Janeiro, in April, the average water temperature is 25.4°C (77.7°F).Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.
Daylight
The average length of the day in April is 11h and 34min.On the first day of the month, sunrise is at 06:00 and sunset at 17:51. On the last day of April, sunrise is at 06:12 and sunset at 17:27 -03.
Sunshine
The average sunshine in April is 8.2h.UV index
In Rio de Janeiro, Brazil, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 6 in April suggests the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The reflection of water and sand increases the UV radiation significantly.
Frequently asked questions
What are the temperatures in Rio de Janeiro in April?
What is the average humidity in April in Rio de Janeiro?
How much does it rain in Rio de Janeiro in April?
How warm is the water in April in Rio de Janeiro?
How many hours of daylight does Rio de Janeiro have in April?
When are sunrise and sunset in April in Rio de Janeiro?
How many hours of sunshine does Rio de Janeiro have in April?
What is the UV index reading in April in Rio de Janeiro?
Average temperature in April
Rio de Janeiro, Brazil
- Average high temperature in April: 26.8°C
The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in April: 21.5°C
The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure in April
Rio de Janeiro, Brazil
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in April
Rio de Janeiro, Brazil
- Average wind speed in April: 9.1km/h
The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).
Average humidity in April
Rio de Janeiro, Brazil
- Average humidity in April: 81%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).
Average rainfall in April
Rio de Janeiro, Brazil
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in April
Rio de Janeiro, Brazil
- Average rainfall days in April: 16.7 days
The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).
Average sea temperature in April
Rio de Janeiro, Brazil
- Average sea temperature in April: 25.4°C
The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight in April /
Average sunshine in April
Rio de Janeiro, Brazil
- Average daylight in April: 11h and 4min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in April
Rio de Janeiro, Brazil
- Average sunshine days in April: 10.9 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in April
Rio de Janeiro, Brazil
- Average UV index in April: 6
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in April
Rio de Janeiro, Brazil
- Average cloud cover in April: 35
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).
Average visibility in April
Rio de Janeiro, Brazil
- Average visibility in April: 9km
The months with the highest visibility are February, May, June, July, August and September (10km).
The months with the lowest visibility are January, March, April, October, November and December (9km).
Rio de Janeiro, Brazil
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