The highest day temperature in August 2023 was 91°F. The lowest night temperature was 64°F. The average values for day and night temperatures during August were 81.7°F и 67.7°F respectivly.

The average sea surface temperature in August 2023 for Sintra was 64.6°F. The maximum and minimum values were 61.4°F and 68.6°F respectively.

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation total in August for Sintra is 0.2 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 12.3 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sintra in August is 11.8 hours.