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Climate in Azores


Average weather, temperature, rainfall, sunshine

Flag - Azores

Map - Azores

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The climate of the Azores Islands is subtropical oceanic, pleasantly warm in summer yet cool, rainy and windy for many months.
The archipelago, a Portuguese autonomous region, is located in the Atlantic Ocean at the same latitude as central and southern Portugal. However, the influence of the ocean makes the climate mild by comparison, especially in the summer, when the temperature is lower than in the mainland.

The Azores do not get a lot of sun, especially in the period from October to April, when the skies are often cloudy. On average, there are about 1,700 hours of sunshine per year in the north-western islands and 1,900 hours in the south-eastern ones.

From July to September, the ocean is not particularly warm, yet may be acceptable for swimming for those who are not sensitive to the cold. The water temperature is 22 °C (72 °F) in July and 23/23.5 °C (73/74 °F) in August and September.

Some of the islands are covered by hills or mountains. The highest peak is Mount Pico, on the island of the same name; it's a volcano of 2,351 meters (7,713 feet) and is also the highest mountain in Portugal. On the slopes of the mountain, there is not much sun and the rainfall is abundant, while the summit can be covered with snow in winter and spring.

The climate in detail


  • Temperature
  • Rainfall
  • Hurricanes
  • When to go
  • What to pack
  • Climate data

Temperature



Climate chart - Ponta Delgada
In Ponta Delgada, the capital of the Azores islands, located on the southern coast of the island of São Miguel, the average temperature ranges from 14.5 °C (58 °F) in February and March, to 22.5 °C (72.5 °F) in August.
The winter temperatures range from 12/13 °C (53/55 °F) at night to 17/18 °C (63/64 °F) during the day, while in summer, they range from 17/18 °C (63/64 °F) at night to 24/26 °C (75/79 °F) during the day. The temperature varies incrementally from one month to the other, and highs exceed 20 °C (68 °F) only from June to October.
Given that they are very far from the continents (and from the Pole), the Azores do not experience real heat waves in summer or cold waves in winter. In winter, cold air comes from Canada, after having crossed the Atlantic Ocean for a long distance, and mainly affects the northwesternmost islands (Flores and Corvo).
The highest records on the Azores are not impressive, being around 30 °C (86 °F). In August 2010 and 2011, at Lajes airport, in the north of the island of Terceira, the temperature reached 31.5 °C (88.5 °F), while in September 1985, at the Pico Island airport, it reached 32 °C (89.5 °F).
On the other hand, temperatures rarely drop below 7/8 °C (45/46 °F) in winter. However, cold records on the coasts are around 3/4 °C (37/39 °F) in most of the islands, and 2 °C (35.5 °F) in Flores (the latter recorded in January 1985).

Rainfall



The famous anticyclone (high pressure area) that brings fine weather to Western Europe and the Mediterranean (i.e. the Azores High) got its name from the Azores, interestingly enough however, the weather on these islands is not always sunny. In fact, in autumn and winter, the rains are frequent, and on the north-western islands, they are also abundant. In addition, sometimes there can be wind storms in the period from November to March.
Climate chart - Santa Cruz Flores
Owing to the abundance of rainfall, the environment is green and blossoming; flowers paint the landscape mainly in spring, and they also gave the name to the westernmost and very rainy island of Flores ("flowers").
The rainfall is below 750 millimeters (29.5 inches) per year on the island of Santa Maria (the southeasternmost island), it's above 900 mm (35 in) in São Miguel, while it reaches or exceeds 1,000 mm (40 in) on the other islands (see Angra do Heroísmo, on the island of Terceira). In the summer months, from June to August, the rains are a bit more rare and less abundant, but they still occur for 5/7 days per month on average.

Azores

Hurricanes



Occasionally, the Azores islands can be affected by hurricanes, the tropical cyclones of the Atlantic, although they generally arrive weakened because they have to move into a sea that is not very warm. Generally, hurricanes move northeast after hitting the Caribbean, but sometimes they can come directly from the south, from the Cape Verde area. The Azores are almost always reached in September or October.

Some hurricanes that hit the archipelago were:
At the beginning of September 1899, the "Great Bahamas" hurricane, which had hit the Caribbean in August, struck the island of São Miguel.
Hurricane Carrie in September 1957.
Hurricane Debbie in September 1961.
Hurricane Emmy at the beginning of September 1976.
In September 1992, two hurricanes, Bonnie and Charley, passed one after the other within a few days.
Hurricane Tanya in early November 1995.
Hurricane Gordon, which mainly affected the island of Santa Maria on September 20, 2006, with gusts at 130 kph (80 mph).
Another hurricane named Gordon affected the island of Santa Maria in August 2012.
In January 2016, in an absolutely anomalous period, hurricane Alex affected the islands, after having weakened to a tropical storm; however, it brought heavy rains and strong winds.
Hurricane Ophelia in early October 2017.
Hurricane Lorenzo at the beginning of October 2019.

When to go



The best time to visit the Azores is summer, in July and August, since it is the warmest and sunniest time of the year.
Because of their oceanic climate, the Azores experience a delay in the sea getting warm, which affects the air temperature as well, so much so that September is slightly warmer than June, and temperature-wise September is still a summer month, even though the rains become a bit more frequent.
In July and August, the temperatures are pleasant; the sun shines quite often and there is not much rain. In June, it is a bit cooler and cloudier by comparison.

What to pack



In winter: bring spring/autumn clothes, a sweater, a jacket, and a raincoat.
In summer: bring light clothing, but also a sweatshirt or sweater, a light scarf for the wind, a light jacket, and a raincoat or umbrella.

Climate data - Azores


Temperatures: °C, Precipitation: mm
Angra Heroismo
Angra Heroismo, location on the map
Angra Heroismo, location on the map
JanFebMarAprMayJunJulAugSepOctNovDec
Min temp.141313131517192019171514
Max temp.171717181922242624221917
Precip.110110100856050355595120130135
Prec. days1312121096579131314
Day length111111111111
Sun hours444577886533
Sea temp161616161719222323211917

Horta
Horta, location on the map
Horta, location on the map
JanFebMarAprMayJunJulAugSepOctNovDec
Min temp.141313141517192120181614
Max temp.171717181922242625222018
Precip.1208060606565355070130105100
Prec. days191617151412101113171719
Day length111111111111
Sun hours334566786533
Sea temp161616161719222323211918

Ponta Delgada
Ponta Delgada, location on the map
Ponta Delgada, location on the map
JanFebMarAprMayJunJulAugSepOctNovDec
Min temp.131212131416182019171514
Max temp.171717181922242624221918
Precip.1108085656540255095110120120
Prec. days13121110966610111314
Humidity81%80%79%79%79%81%79%79%79%79%78%81%
Day length111111111111
Sun hours344565776543
Sea temp171616171820222323211918

Santa Cruz Flores
Santa Cruz Flores, location on the map
Santa Cruz Flores, location on the map
JanFebMarAprMayJunJulAugSepOctNovDec
Min temp.131213131517192019171513
Max temp.171717182022252625222018
Precip.195170155105105956070125180180225
Prec. days1717151210981013141518
Humidity77%76%76%76%76%77%77%76%77%76%77%76%
Day length111111111111
Sun hours234456775432
Sea temp161616161719222323211917

Santa Maria
Santa Maria, location on the map
Santa Maria, location on the map
JanFebMarAprMayJunJulAugSepOctNovDec
Min temp.131213131517192019181514
Max temp.171718192022252625232018
Precip.8570655540202535607511580
Prec. days121110754468101112
Humidity81%80%78%78%77%79%77%77%77%79%78%81%
Day length111111111111
Sun hours344577886543
Sea temp181818181920222323232119



See also the temperatures month by month

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 See also (cities or regions):
 Angra Heroismo
 Ponta Delgada
 Santa Cruz Flores
 Santa Maria

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 Madeira
 Portugal

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