World Resorts Portugal Terceira Island Weather

Terceira Island weather in October

Weather in Terceira Island: October

Average day temperature: 69.1°F
Average night temperature: 65.8°F
Sea water temperature: 69.7°F
Number of sunny days: 4 days
Day length: 10.6 - 11.8 hours
Number of rainy days: 4 days
Precipitation totals: 2.7 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 73°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during October were 68.7°F and 66.2°F.

Sea water temperature in Terceira Island in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 70.8°F. The highest and lowest sea temperatures during the month were 72.0°F and 68.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Terceira Island in October is 2.6 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 13.1 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 4.5.

Best time for vacation in Terceira Island

Sunniest months:
August 9 days
July 7 days
June 7 days
Warmest months:
August 75.4 °F
September 73.3 °F
July 73.0 °F
Warmest sea temp:
August 73.9 °F
September 72.9 °F
July 70.7 °F
Coldest months:
February 59.9 °F
March 60.0 °F
January 60.7 °F
Rainiest months:
December 5 days
February 4 days
January 4 days
Windiest months:
December 17.2 mph
January 16.7 mph
March 15.9 mph

Terceira Island on a weather map

Terceira Island
+63°F
NE 22 mph
Feels like: +63°F
Precip.: 72%
Places in Portugal:
Name
°F
+57°F
+59°F
+61°F
+57°F
+61°F
+61°F
+54°F
+64°F
+59°F
+54°F
+64°F
+59°F
+54°F
24 Hours Forecast
Terceira Island
Local time: 03:34
December 05, friday
0600
63°F
NE
21 mph
0900
63°F
NE
19 mph
1200
63°F
NE
19 mph
1500
63°F
NE
22 mph
1800
63°F
NE
21 mph
2100
63°F
NE
24 mph
December 06, saturday
0000
64°F
NE
27 mph
0300
64°F
NE
27 mph
Units of measurement: °C / °F