Climate and monthly weather forecast
Quarteira, Portugal

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The climate of Quarteira

Quarteira, situated in the southern corner of Portugal, bears a Mediterranean climate distinguished by hot summers, as identified by the Köppen climate classification Csa. Information derived from climatological parameters indicates a stark contrast between the cool, damp winter months and the hot, dry summer months.

Temperature levels in Quarteira fluctuate between 8°C (46.4°F) during the colder months to about 28°C (82.4°F) in the hot summer months, suggesting a moderate temperature all year round, with July and August having the highest average temperatures of 28°C (82.4°F). Conversely, January and February tend to be the coldest months, with roughly 8°C (46.4°F) recorded as the most minimal temperature.

Rainfall patterns display a notable level of variation over the year as well, with the heaviest precipitation observed in December at around 100mm (3.94"). The dry season sets in from June to August, with the least amount of rainfall occurring in July and August, at around 2mm (0.08"). In terms of daylight, the longest days are in June and July with around 14.7 hours each, whereas December has the shortest daylight hours at 9.7 hours.

The best time to visit Quarteira

The prime time to visit Quarteira would be between May and September. During these months, temperatures range from a comfortable 22°C (71.6°F) to an appealing 28°C (82.4°F), complemented by the least amount of rainfall, ranging from 2mm (0.08") in the peak of summer to 29mm (1.14") in May. Additionally, this period boasts extended daylight hours, peaking at 14.7 hours in June and July, and ample amount of sun exposure with average sunshine hours oscillating from 9 to 12 hours daily.

Moreover, the UV index, significant for sensitive skin individuals and sun enthusiasts, reaches a high of 9 from June to August. Those seeking water activities would also appreciate that sea temperature hits its highest between June and September, registering between 20.3°C (68.5°F) and 21.7°C (71.1°F).

The worst time to visit Quarteira

Planning a trip to Quarteira is least advisable from November to February. This period experiences low temperatures ranging from 8°C (46.4°F) to 11°C (51.8°F). Further, it coincides with the wet months, with monthly average rainfall amounts varying from 67mm (2.64") to 100mm (3.94"). Correspondingly, the average daylight durations are also at their shortest, from 9.7 to 10.8 hours, and the average sunshine hours plummet to 5 to 6 hours.

During these months, the average UV index reduces to its lowest, around 2 to 3, therefore offering less opportunity for sunbathing. The sea temperature also suffers a decline dipping to 16°C (60.8°F) to 17.6°C (63.7°F), which might not be favourable for swimming or other water activities.

Spring weather in Quarteira

Spring temperatures in Quarteira, from March to May, showcase a mild range from 10°C (50°F) to 22°C (71.6°F). Meanwhile, rainfall falls significantly during these spring months, with a total decrease from 54mm (2.13") to 29mm (1.14"). Visitors can witness an increase in the amount of daylight, commencing at 12 hours in March and peaking at 14.2 hours in May. Consequently, sunshine hours also increase in spring, ranging from 7 hours in March to 10 hours in May. Lastly, the UV index begins its escalation, moving from 5 in March to 8 in May.

Summer weather in Quarteira

During the summer months of June through August, temperatures in Quarteira elevate, averaging between 15°C (59°F) and 28°C (82.4°F). This period also marks the driest spell of the year with rainfall from an insignificant 2mm (0.08") to 16mm (0.63"). The longest days occur in this season - 14.7 hours of daylight in June and July. Correspondingly, sunshine hours reach a high of 12 hours in July with a UV index of 9, the highest of the year.

Autumn weather in Quarteira

Autumn in Quarteira, spanning September to November, witnesses a decrease in temperature, with an average range between 14°C (57.2°F) and 23°C (73.4°F). Rainfall, in contrast, begins to mount from a mere 15mm (0.59") in September to a substantial 82mm (3.23") in November. Sunshine hours and daylight durations also take a dip - sunshine hours decrease from 9 to 6, whereas daylight hours reduce from 12.4 to 10.2. The UV index also lessens in this period from 7 to 3.

Winter weather in Quarteira

Winter months of December through February in Quarteira, present fluctuating temperatures from 8°C (46.4°F) to around 16°C (60.8°F), making it rather cool. This period corresponds with the highest average monthly rainfall of the year, peaking at 100mm (3.94") in December. Daylight is at its minimum duration of the year, starting from 9.7 hours in December and slightly increasing to 10.8 in February. Correspondingly, average sunshine hours also remain low, varying from 5 to 6 hours. The UV index during winter months keeps at a low level, oscillating between 2 and 4.

Weather in January

January is typically mild in Quarteira, Portugal, characterized by some rainfall. Relative to neighboring December and February, the weather takes on a much cooler aspect. With an average of 98mm (3.86") of rainfall distributed over nine days, it's deemed the wettest month. Weather in January »

Weather in February

Entering February, Quarteira experiences a small drop in rainfall compared to January. February's temperatures bear a resemblance to its predecessor, January, and its successor, March. By using layers, one can easily adjust to the modest temperature fluctuations. Weather in February »

Weather in March

March is when the spring primarily shows its presence in Quarteira, Portugal. Mild temperatures turn warmer, and the city sees less rain than in February. A notable change occurs in the sea temperature, jumping from 16.2°C (61.2°F) in February up to 16°C (60.8°F) into the month, hinting at what's to come in the following month. Weather in March »

Weather in April

In Quarteira, the month of April marks a distinct shift from mild spring to the cusp of summer. Temperatures start to rise noticeably, extending the possible outdoor activities. The city encounters a soft rise in sea temperature from 16°C (60.8°F) in March to 17.3°C (63.1°F). Weather in April »

Weather in May

In May, the pleasant weather dominates Quarteira. Outdoor enthusiasts find this month perfectly suited to their activities as rainfall significantly drops from April's 40mm (1.57") to a meager 29mm (1.14"). A warmer atmosphere prevails, and it paves the way to sun-filled June. Weather in May »

Weather in June

The brilliance of summertime is on full display in Quarteira during June. The city experiences amicable weather conditions, making it ideal for outdoor explorations. Comparing to May, June presents minimal rain, totaling only 16mm (0.63") and only disturbs two days. Weather in June »

Weather in July

July is peak summer in Quarteira, with the highest temperatures of the year. Apart from its successor August, no other month in the calendar competes with July's weather. The city basks in peak sunlight hours, reaching a dazzling 14.4 hours per day, with a maximum UV index of 9. Weather in July »

Weather in August

August continues the trend of high temperatures in Quarteira. Sea temperature hits the annual high in this month, climbing up to 21.7°C (71.1°F) from 21.2°C (70.2°F) in July. Not a speck of rainfall touches the city during August, maintaining its dry and arid environment. Weather in August »

Weather in September

In September, Quarteira experiences one last glimpse of the hot summer before transitioning into the cooler months of autumn. Temperatures start to decline from peak summer's highs. Compared to August, September sees a mild reintroduction of rain with 15mm (0.59") precipitation. Weather in September »

Weather in October

October sees a more marked transition into autumn. A remarkable change is that sea temperatures take a dip from September's 21.4°C (70.5°F) to 21.3°C (70.3°F), signifying cooler days ahead. Sightseeing in Quarteira remains favorable, despite the mild drop in temperatures. Weather in October »

Weather in November

November tracks a significant drop in temperatures, affirming the onset of winter weather. Rainfall amplifies, going up to 82mm (3.23") compared to October's 52mm (2.05"). This is a considerable increase in precipitation that might affect outdoor excursions. Weather in November »

Weather in December

December brings the chill of winter to Quarteira. Temperatures descend further from November, and the city encounters a considerable amount of rain, approximately 100mm (3.94") across 12 days. Daylight hours drop to an annual low of 9.7 hours coupled with a decline in sea temperature down to 17.6°C (63.7°F). Weather in December »
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Frequently asked questions

What is the coldest month in Quarteira?

Quarteira experiences the lowest of its temperatures in January, February and December, when the average high-temperatures rise to 16°C (60.8°F).

How many days does it rain in Quarteira?

Throughout the year, there are 77 rainfall days, and 557mm (21.93") of precipitation is accumulated.

What is the month with the least sunshine in Quarteira?

The months with the least sunshine are January and December, with an average of 5h of sunshine.

What are the months with the lowest UV index in Quarteira?

The months with the lowest UV index in Quarteira, Portugal, are January and December, with an average maximum UV index of 2.

When is the sea coldest in Quarteira?

March is the month with the coldest seawater, with an average sea temperature of 16°C (60.8°F).

When are the longest days in Quarteira?

June has the longest days of the year in Quarteira, Portugal, with an average of 14h and 42min of daylight.

When is the highest UV index in Quarteira?

The months with the highest UV index are June through August, with an average maximum UV index of 9.

What are the warmest months in Quarteira?

Quarteira's temperature peaks during July and August, with an average high-temperature of 28°C (82.4°F).

What is the driest month in Quarteira?

The months with the least rainfall in Quarteira are July and August Rain falls for 1 days and accumulates 2mm (0.08") of rain.

What month has the most sunshine in Quarteira?

With an average of 12h of sunshine, July has the most sunshine of the year.

When is the sea warmest in Quarteira?

The month with the warmest seawater is August, with an average sea temperature of 21.7°C (71.1°F).

When is Daylight Saving Time (DST) in Quarteira?

On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Quarteira, and the time zone changes from WEST to WET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from WET to WEST.

What is the rainiest month in Quarteira?

The month with the most rainfall is December, when the rain falls for 12 days and typically aggregates up to 100mm (3.94") of precipitation.

What is the month with the shortest days in Quarteira?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Quarteira, Portugal.

Average temperature
Quarteira, Portugal

Average temperature - Quarteira, Portugal

The warmest months (with the highest average high temperature) are July and August (28°C).
The months with the lowest average high temperature are January, February and December (16°C).

The months with the highest average low temperature are July, August and September (17°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).

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Average rainfall
Quarteira, Portugal

Average rainfall - Quarteira, Portugal

The wettest month (with the highest rainfall) is December (100mm).
The driest months (with the least rainfall) are July and August (2mm).

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Average rainfall days
Quarteira, Portugal

Average rainfall days - Quarteira, Portugal

The month with the highest number of rainy days is December (12 days).
The months with the least rainy days are July and August (1 days).

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Average sea temperature
Quarteira, Portugal

Average sea temperature - Quarteira, Portugal

The best month for swimming (with the highest average sea temperature) is August (21.7°C).
The coldest month (with the lowest average sea temperature) is March (16°C).

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Average daylight / Average sunshine
Quarteira, Portugal

Average daylight / Average sunshine - Quarteira, Portugal

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 5h).

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Average UV index
Quarteira, Portugal

Average UV index - Quarteira, Portugal

The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).

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Quarteira, Portugal

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