The highest day temperature in August 2023 was 86°F. The lowest night temperature was 53°F. The average values for day and night temperatures during August were 69.9°F и 59.1°F respectivly.

The average sea surface temperature in August 2023 for Vantaa was 64.3°F. The maximum and minimum values were 57.2°F and 67.6°F respectively.

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

Precipitation total in August for Vantaa is 2.3 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 7.9 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 Vantaa in August is 9.4 hours.