The bar chart below shows the average monthly peak daytime temperatures at Niterói
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 30.6 | 30.8 | 30.1 | 28 | 26.4 | 25.4 | 25.1 | 25.6 | 25.6 | 26.5 | 27.4 | 28.8 |
°F | 87 | 87.5 | 86.2 | 82.4 | 79.5 | 77.8 | 77.2 | 78.1 | 78.1 | 79.6 | 81.4 | 83.9 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 146 | 137 | 144 | 123 | 89 | 55 | 52 | 53 | 64 | 91 | 114 | 140 |
inches | 5.7 | 5.4 | 5.6 | 4.9 | 3.5 | 2.2 | 2.1 | 2.1 | 2.5 | 3.6 | 4.5 | 5.5 |
Rainy days | 20 | 16 | 15 | 15 | 12 | 10 | 10 | 9 | 12 | 18 | 20 | 21 |
Average annual rainfall in Niterói: 1142mm (449.6 inches)
The bar chart below shows the average daily sunshine hours in Niterói
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6.9 | 7.1 | 6.7 | 6 | 5.7 | 5.7 | 6.1 | 6.5 | 5.1 | 5.2 | 5.8 | 5.7 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 22.5 | 22.6 | 22.1 | 20.4 | 18.4 | 16.8 | 16.3 | 16.8 | 17.8 | 19 | 20 | 21.2 |
Max °C | 30.8 | 31.1 | 30.3 | 28.2 | 26.6 | 25.7 | 25.4 | 25.9 | 25.8 | 26.7 | 27.6 | 29 |
Min °F | 72.4 | 72.6 | 71.8 | 68.7 | 65.1 | 62.2 | 61.3 | 62.2 | 64 | 66.1 | 68 | 70.2 |
Max °F | 79.9 | 80.2 | 79.2 | 75.7 | 72.5 | 70.2 | 69.4 | 70.3 | 71.2 | 73 | 74.8 | 77.2 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 25.7 | 26.1 | 26.3 | 25.8 | 24.3 | 23 | 22.3 | 21.9 | 21.9 | 22.5 | 23.6 | 24.8 |
°F | 78.2 | 79 | 79.3 | 78.5 | 75.8 | 73.5 | 72.1 | 71.4 | 71.5 | 72.5 | 74.4 | 76.6 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 9 | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 9 | 9 | 9 | 9 |
mph | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 6 | 6 | 6 | 6 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
77% | 78% | 79% | 80% | 81% | 80% | 79% | 77% | 78% | 79% | 79% | 79% |
Hottest month: | February | 30.8°C 87.4°F |
---|---|---|
Driest month: | July | 52mm 2ins |
Sunniest month: | August | 6.5hrs |
Coldest month: | July | 25.1°C 77.2°F |
Wettest month: | January | 146mm 5.7ins |
Warmest sea: | March | 26.3°C 79.3°F |