Altea is a small tourist town on the Costa Blanca coast of Spain which is known for it’s reliable sunny, hot weather for most of the year.
Altea enjoys more than 2,800 hours or 325 days of sunshine each year with an very high average annual temperature of 19.4°C
The World Health Organisation describes the climate of the Costa Blanca as one of being the best in the world.
Altea’s summers are hot but not too hot due to the cooling breezes and the winters in Altea are mild with many clear blue sunny days.
Altea’s climate and weather is very healthy especially for sufferers of arthritis.

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Reading this section will give you an idea of what you should expect each season and month to be like when visiting Altea, Costa Blanca, Spain.
The weather however is a short-term snapshot and each day can be completely different.

WEATHER IN THE SUMMER
JUNE – JULY – AUGUST

The weather in summer in Altea is typically very hot with little to no rainfall. Summer temperatures in Altea will mostly be between 25°C to 35°C during the day. Temperatures at night in the summer in Altea rarely drop below 15°C. As Altea’s humidity is low you won’t feel the temperature is as high as it really is.
Do take precautions and keep out of the sun between 12 o’clock and 3 o’clock.
Always wear a high sun cream factor especially if you are on Altea’s beaches. Fortunately on most days you will most likely have cooling sea breezes.
If you are renting or hiring a villa or apartment in Altea in the summer you may well want to look to rent a villa or apartment with air conditioning or at least one with fans otherwise you may have trouble sleeping at night, especially if you are coming on holiday from a northern European country where the temperatures are much lower.

June

  • The average temperature for June in Altea is 23 degrees Celsius. Typical June weather in Altea is excellent as the days are sunny yet not too hot (compared to July and August).
  • To dress for the June weather bring T-shirts and shorts and perhaps a light top for evening wear.
  • The sea temperature in June for Altea is a nice warm swimmable 20°C.

July

  • Perhaps the best month to visit Altea as July has the most sunshine hours and the least rainfall of the whole year. The average temperature for July in Altea is a very hot 26°C. Typical July weather in Altea is clear and sunny days and warm to hot evenings and virtually no rainfall.
  • To dress for the July weather bring lots of T-shirts and shorts.
  • The sea temperature in July for Altea is a very warm swimmable 24°C.

August

  • Altea weather can be almost unbearably hot with some days reaching 40°C or more. The average monthly temperature for August in Altea is a very hot 27°C. Typical August weather in Altea is clear and sunny with no rainfall and hot evenings.
  • To dress for the August weather bring lots of T-shirts and shorts, you would feel uncomfortable wearing long trousers it is so hot in August.
  • The sea temperature in August for Altea is a very hot 25°C.

WEATHER IN THE AUTUMN
SEPTEMBER – OCTOBER – NOVEMBER

The autumn is a good time to visit Altea and the rest of the Costa Blanca because the autumn weather is usually mild and sunny with some days being very hot although evenings can be cool. There is a chance of some rainfall.
The Mediterranean Sea remains warm and you can still swim well into October. In the autumn there are likely to be the occasional electrical thunderstorms with lightning and torrential rainfall sometimes resulting in flooding.

September

  • In September Altea weather is excellent generally clear and sunny and  temperatures are still high with an average monthly temperature of 24°C; there is the possibility of some rainfall in the form of brief showers.
  • To dress for the September weather generally it is still T-shirts and shorts although bring some jeans or long trousers just in case for the evenings.
  • The sea temperature in September for Altea is a very nice 24°C, perfect for swimming.

October

  • In October Altea weather is often warm and sunny with an average monthly temperature dropping down to 21°C. For rainfall October is usually the wettest month for Altea.
  • To dress for the October weather in Altea bring a mixture of T-shirts, shorts, jumpers, jeans and long trousers to cover all possible conditions.
  • The sea temperature in October for Altea is 21°C which for most people is still warm enough to swim.

November

  • In November Altea weather is changeable but often fairly warm and usually sunny with an average monthly temperature of 15°C although there is always a chance of rainfall.
  • To dress for the November weather in Altea bring a mixture of T-shirts, shorts, jumpers, jeans and long trousers to cover all possible conditions.
  • The average sea temperature in November for Altea is 18°C which is at a point where most people wouldn’t swim.

WEATHER IN THE WINTER
DECEMBER – JANUARY – FEBRUARY

The weather in Altea in winter is very mild compared to northern Europe. Most winter days in Altea are clear and sunny with little rainfall. The temperatures are unpredictable and can vary greatly in winter however, one day it can be over 20°C and you will be walking around in your t-shirt, on another day it can be 6°C and feels very cold.
If you are visiting Altea in winter be careful to ensure that if you rent a villa or apartment that it has some form of heating, preferably central heating. Houses in Spain are built so that they are cool in summer but that unfortunately means they are not insulated and can be very cold in winter.
Even in the winter it doesn’t rain much in Altea with the exception being when Altea experiences a ‘Gota Fria’ – this happens when the temperature suddenly drops resulting in incredible torrential rain and flooding. The Gota Fria also creates huge waves and high tides which often destroys Altea’s beaches.

December

  • In December Altea weather is changeable, sometimes warm but often cool during the daytime with an average monthly temperature of 12 ° C. There is little rainfall in December but nights are cold.
  • To dress for the December weather in Altea bring warm clothing such as jumpers, coats and long trousers.
  • The average sea temperature in December for Altea is 15°C and too cold for most people to consider swimming.

January

  • In January, Altea weather is usually cold, although sometimes mild with an average monthly temperature of 11°C. There is little rainfall but nights are cold and sometimes near freezing point.
  • To dress for the January weather in Altea bring warm clothing such as jumpers, coats and long trousers.
  • The average sea temperature in January for Altea is 14°C and too cold for most people to consider swimming.

February

  • In February Altea weather is usually cold, although sometimes mild to warm with an average monthly temperature of 12°C. The chance of rainfall increases in February and nights are cold.
  • To dress for the February weather in Altea bring warm clothing such as jumpers, coat and long trousers.
  • The average sea temperature in February for Altea is 14°C and too cold for most people to consider swimming.

WEATHER IN THE SPRING
MARCH – APRIL – MAY

Altea’s weather and climate in Spring picks up especially after March when the beaches begin to become popular once more. There is a chance of rainfall but the days are often clear and sunny although evenings can still be quite cool until we get into May. Sea temperatures remain cold until May when they start to climb rapidly.

March

  • In March Altea weather is usually mild with many nice sunny days with an average monthly temperature of 14°C. The chance of rainfall is still fairly high and nights are still cold.
  • To dress for the March weather in Altea bring warm clothing such as jumpers, coat and long trousers as well as some T-shirts.
  • The average sea temperature in March for Altea is 14°C and too cold for most people to consider swimming.

April

  • The weather is usually heating up rapidly with many nice warm sunny days with an average monthly temperature of 16°C. The chance of rainfall decreases although nights are still cool.
  • To dress for the April weather in Altea bring a mixture of warm clothing such as jeans, jumpers and long trousers as well as some T-shirts and shorts.
  • The average sea temperature in April for Altea is 15°C and still too cold for most people to consider swimming.

May

  • The  weather is superb with many hot and sunny days with a very pleasant average monthly temperature of 20°C. Expect fairly little chance of rainfall, nights are now warm.
  • To dress for the May weather in Altea bring mostly summer clothing such as T-shirts and shorts with some warm clothing just in case such as jeans or long trousers and a jumper.
  • The average sea temperature in May for Altea is 17°C which sees many people start to venture into the sea to swim