Weather in Terceira Island in May 2025
Average weather
Average temperature in Terceira Island in May
The expected average maximum temperature in May is +15°C with a maximum of +16°C and a minimum of +11°C.
The average maximum temperature goes up 40% by the end of the month, compared with the beginning of the month, from +14°C to +16°C.
Is Terceira Island warm or cold in May?
Terceira Island is typically mild in May.
Maximum temperatures go up compared to the previous month from +13°C to +15°C. The minimum temperature also goes up from +11°C to +12°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Terceira Island:
Climate in Terceira Island in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +13°C | +15°C | +17°C | ||||
| Min. temperature | ||||||
| +5°C | +7°C | +10°C | ||||
| Max. temperature | ||||||
| +22°C | +22°C | +25°C | ||||
| Rainfall | ||||||
| 63 mm | 50 mm | 34 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 3 m/s | ||||
| Humidity | ||||||
| 80% | 81% | 83% | ||||
| Air pressure | ||||||
| 1019 HPa | 1020 HPa | 1022 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 2 | ||||
| Cloudy days | ||||||
| 14 | 16 | 17 | ||||
| Rainy days | ||||||
| 15 | 14 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +13°C to +15°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 63 mm to 50 mm. Humidity rises from 80% to 81%. The average wind speed doesn’t change much during May, staying around 4 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Terceira Island is gradually increasing during May, going from 3 m/s to 6 m/s over the course of the month.
Rain
How was the weather last May in Terceira Island?
Climate Change over Years
The climate in Terceira Island in May 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 May a good time to visit Terceira Island?
Can you sunbathe in Terceira Island in May?
Is Terceira Island rainy in May?
Is it sunny in Terceira Island in May?
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.