Weather in Terceira Island in October 2025
Average weather
Average temperature in Terceira Island in October
The expected average maximum temperature in October is +18°C with a maximum of +20°C and a minimum of +13°C.
The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +18°C to +16°C.
Is Terceira Island warm or cold in October?
Terceira Island is typically mild in October.
Maximum temperatures go down compared to the previous month from +19°C to +17°C. The minimum temperature also goes down from +17°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Terceira Island:
Climate in Terceira Island in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +19°C | +17°C | +15°C | ||||
| Min. temperature | ||||||
| +12°C | +8°C | +6°C | ||||
| Max. temperature | ||||||
| +26°C | +24°C | +22°C | ||||
| Rainfall | ||||||
| 58 mm | 93 mm | 90 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 80% | 79% | 78% | ||||
| Air pressure | ||||||
| 1020 HPa | 1018 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 2 | 1 | 1 | ||||
| Cloudy days | ||||||
| 12 | 10 | 11 | ||||
| Rainy days | ||||||
| 16 | 20 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +19°C in the day, the average maximum temperature lowers to +17°C. Prepare for more rain. Average rainfall goes from 58 mm to 93 mm. It feels drier, as humidity decreases from 80% to 79%. Winds are stronger in comparison to September, going up from 3 m/s to 4 m/s on average. The days becoming less sunny, going from 2 sunny days in September to 1 in October.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Terceira Island is gradually increasing during October, going from 2 m/s to 5 m/s over the course of the month.
Rain
How was the weather last October in Terceira Island?
Climate Change over Years
The climate in Terceira Island in October has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+14°C) and the highest in 2017 (+18°C). The driest year was 1999 with only 487 mm of rainfall, and the wettest year was 2021 with 1425 mm.
FAQ
Is October a good time to visit Terceira Island?
Can you sunbathe in Terceira Island in October?
Is Terceira Island rainy in October?
Is it sunny in Terceira Island in October?
Other cities in Portugal
Monthly weather in Terceira Island
Source of the data
For this page, we’ve looked at the typical weather in Terceira Island, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.