Terceira Island Weather: August
 |
Average Day Temperature: | 78.2°F |
|
Average Night Temperature: | 72.9°F |
|
Sea Water Temperature: | 76.5°F |
|
Number of Sunny Days: | 9 days |
| Sunshine Hours: | 13.1 - 14.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 1.3 in | |
| detailed information | ||
forecast
| Terceira Island |
Temperature
| Terceira Island |
Air Temperature in August, °F
The highest day temperature in August 2025 was 79°F. The lowest night temperature was 66°F. The average values for day and night temperatures during August were 75.6°F и 70.1°F respectivly.
Terceira Island Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Terceira Island was 77.0°F. The maximum and minimum values were 75.0°F and 78.8°F respectively.
Most of the days in August are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Terceira Island is 1.3 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 9.5 mph. It makes August one of the most windless months of the year for Terceira Island.
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 Terceira Island in August is 7.5 hours.
Terceira Island on the Weather Map
| Albufeira |  |
+58 |
| Algarve |  |
+60 |
| Cascais |  |
+62 |
| Faro | |
+60 |
| Funchal |  |
+54 |
| Lagos | |
+62 |
| Lisbon | |
+62 |
| Madeira | |
+54 |
| Ponta Delgada | |
+66 |
| Portimao | |
+60 |
| Porto | |
+54 |
| Porto Santo Island | |
+64 |
| Quarteira | |
+58 |
| Sao Miguel | |
+66 |
| Terceira Island | |
+64 |
| 0600 |  |
64°F | NE 21 mph |
| 0900 | |
64°F | NE 19 mph |
| 1200 |  |
64°F | NE 19 mph |
| 1500 |  |
64°F | NE 22 mph |
| 1800 | |
64°F | NE 21 mph |
| 2100 | |
64°F | NE 24 mph |
| 0000 | |
66°F | NE 27 mph |
| 0300 | |
66°F | NE 27 mph |