Also consider one of our other suggestions for August.
The average maximum temperature in Niteroi in August is 25°. The average maximum temperature is 25° in the previous month and 26° in the next month.
The average temperature in Niteroi in August is 22°. The average temperature ranges is 22° in the previous month and 23° in the next month.
The average minimum temperature in Niteroi in August is 19°. The minimum temperature is 19° in the previous month and 20° in the next month.
The average day light hours per day in Niteroi in August are 11.3 and there are 7.8 hours of sunshine per day on average during August making it a quite sunny month with some cloud cover.
The ultraviolet index in Niteroi in August is typically 7.9 during August. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. 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.
The average sea water temperature in Niteroi in August is 20.9° which is comfortable for swimming though some may prefer warmer water.
The average total rainfall in Niteroi in August is 0.8cm and on average there are 5.8 rainy days in August making it a dry time to visit the beach.
The maximum dew point (an indicator of humidity) in Niteroi in August is 19° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 19° in the previous month and 20° in the next month.
The average maximum relative humidity in Niteroi in August is typically 90.3%. The maximum relative humidity is 92.2% in the previous month and 90.1% in the next month.
The average relative humidity in Niteroi in August is typically 76.4%. The average relative humidity is 79.1% in the previous month and 76.1% in the next month.
The average maximum wind speed in Niteroi in August is typically 22kmh. The average maximum wind speed is 21kmh in the previous month and 25kmh in the next month.
The average wind speed in Niteroi in August is typically 10kmh. The average wind speed is 9kmh in the previous month and 11kmh in the next month.
The average wind direction in Niteroi in August is from the East-Southeast.