The highest day temperature in August 2023 was 97°F. The lowest night temperature was 64°F. The average values for day and night temperatures during August were 85.6°F и 69.2°F respectivly.

The average sea surface temperature in August 2023 for Lisbon was 70.8°F. The maximum and minimum values were 66.6°F and 76.2°F respectively.

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

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

The average wind speed in August is 10.2 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 Lisbon in August is 11.9 hours.