August weather forecast
Montevideo, Uruguay

August presents a gentle transition from winter to spring, showcasing slightly longer days and extended sunshine duration. An uptick in sea temperature to 12.1°C (53.8°F) hints at the changing season. The rainfall remains almost stable at 88mm (3.46") maintaining the wet conditions from July. Towards the end of the month, the sunshine duration increases, indicating the return of warmer days. After peaking in June, the humidity begins to decrease, signaling the deviation from prevailing winter conditions.

Temperature

Transitioning from July to August, Montevideo observes an average high-temperature of a comfortable 16.2°C (61.2°F), differing subtly from the previous month. The nighttime temperature in Montevideo dips to a frosty 7.8°C (46°F) on average during August.

Humidity

In August, the average relative humidity in Montevideo is 77%.

Rainfall

In Montevideo, in August, it is raining for 6 days, with typically 88mm (3.46") of accumulated precipitation. Throughout the year, there are 77 rainfall days, and 1101mm (43.35") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature is 12.1°C (53.8°F).
Note: You can swim in 12.1°C (53.8°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.

Daylight

In August, the average length of the day in Montevideo, Uruguay, is 10h and 52min.
On the first day of August, sunrise is at 07:38 and sunset at 18:03. On the last day of the month, sunrise is at 07:03 and sunset at 18:25 -03.

Sunshine

In Montevideo, the average sunshine in August is 5.3h.

UV index

The average daily maximum UV index in August in Montevideo is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.