Climate and monthly weather forecast
Estoi, Portugal

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The climate of Estoi

Estoi, Portugal, finds its meteorological characteristics under the classification Csa according to the Köppen climate system. This classification represents a Mediterranean climate, graced with a warmer summer season. Perched in the southernmost reaches of the country, this captivating locale benefits from great geographical positioning, allowing it to bask in a relatively mild climate year-round.

Estoi's weather patterns demonstrate a marked change with the progression of the seasons. Humidity levels revolve from 59% in the warm, parched summer months to 76% during the wet and cool winter season. Rainfall experiences an oscillation throughout the year as well, peaking at 12mm (0.47") in April before dropping to insignificant values of 0mm (0") to 1mm (0.04") in July and August. It then ascends gradually to reach 11mm (0.43") in November before a slight decline in December to 7mm (0.28").

The region is privy to ample daylight hours, varying from 9.7 hours per day in December to the zenith of 14.7 hours per day in June. Correspondingly, sunshine hours fluctuate from 6 hours per day in December and January to a maximum of 11.9 hours per day in July. Residents then witness a moderate variation in cloud cover, from a mere 4% in July to a peak of 31% in January.

Wind speeds in Estoi display minor differentiations over the year. On average, they hover from 13.5km/h (8.4mph) to 17.1km/h (10.6mph), reflecting milder gusts in August and stronger drafts in February and March. Unique to the area is the complete lack of rainfall in July, characterized by a sharp decrease from 6mm (0.24") in June to 0mm (0"). This drought period extends slightly into August, with rainfall marginally rising to 1mm (0.04").

The best time to visit Estoi

The pinnacle of Estoi's weather is from June to August. This period brings the highest temperatures, averaging from 25°C (77°F) to 29°C (84.2°F) and paired with the least amount of rainfall. Combined with the predictable sea temperatures reaching from 19°C (66.2°F) to 22°C (71.6°F), summer is ideal for all beach and water-related activities. Furthermore, visitors benefit from long daylight hours and near-constant sunshine, making it an opportune time for outdoor pursuits.

The worst time to visit Estoi

April marks the onset of the most unfavorable period to visit Estoi, with the highest average rainfall amounting to 12mm (0.47") and corresponding with 8.3 rainfall days. Moreover, the sea temperature during April is not as inviting, lingering at 17°C (62.6°F), which might deter visitors seeking a refreshing swim. The relative coolness extending from a low of 12.3°C (54.1°F) to a high of 18.6°C (65.5°F) along with a slightly lower degree of sunshine versus the summer months makes this period a less attractive option for travelers.

Spring weather in Estoi

Spring in Estoi spans from March to May. This period ushers in a gradual rise in temperature from 16.8°C (62.2°F) to 22°C (71.6°F), with nights cooling down from 10.8°C (51.4°F) to 15.2°C (59.4°F). Rainfall lessens from 8mm (0.31") in March to 6mm (0.24") in May, making room for more sunshine. Daylight stretches out from 12 hours to 14.2 hours daily, while the sea temperature incrementally warms to 18°C (64.4°F).

Summer weather in Estoi

Summer in Estoi, occurring between June and August, is the epitome of Mediterranean warmth. The average highs escalate from 25°C (77°F) to 29°C (84.2°F) and descend slightly at night to between 17.6°C (63.7°F) and 19.9°C (67.8°F). July and August experience virtually no rainfall, which aligns with extended sunshine hours up to 11.9 per day, the longest of all seasons. The season offers the warmest sea temperatures ranging from 19°C (66.2°F) to 22°C (71.6°F).

Autumn weather in Estoi

Autumn in Estoi comes into play from September to November. This season presents cooler figures with maximum temperatures tapering off from 25.9°C (78.6°F) to 17.9°C (64.2°F) and minimal temperatures receding from 18.8°C (65.8°F) to 13.2°C (55.8°F). Correspondingly, a substantial decline in sea temperature, from 21°C (69.8°F) to 19°C (66.2°F), is observed throughout the period. Rainfall increases progressively from 3mm (0.12") to 11mm (0.43"), an indication of the forthcoming wet winter months.

Winter weather in Estoi

Winter in Estoi settles in from December through to February. The temperatures moderate between a cozy high of 15.3°C (59.5°F) to 14.8°C (58.6°F) and a low of 9.8°C (49.6°F). Rainfall ranges from 7mm (0.28") to 5mm (0.2"), a stark contrast from the preceding autumn rains. Shorter daylight hours, ranging from 9.7 to 10.8 per day, mark this season, alongside a moderately cool sea temperature steady at 16°C (60.8°F).

Weather in January

The New Year opens in Estoi, Portugal with a burst of freshness. January has a lower temperature range from 9.8°C (49.6°F) to 14.8°C (58.6°F), making it one of the colder months of the year. Despite this, the month can still feel relatively humid with an average relative humidity of 76%. Weather in January »

Weather in February

As Estoi transitions from January to February, a slight increase in temperature ushers in. February retains the charm of winter without prolonged cold stretches, enticing winter-loving visitors. The weather carries with it the scent of the emerging spring season. Weather in February »

Weather in March

March steps in with a definitive turn towards spring, boasting warmer temperatures. It is a season of reawakening after the winter chills of January and February. In contrast to this warming trend, March sees increased rainfall at 8mm (0.31"), dispersed over a significantly larger number of rainy days at 7.6. Weather in March »

Weather in April

April’s arrival signals the full swing of spring in Estoi, accompanied by further enhancing temperatures. Undeniably, this month showcases an immense contrast with the previous month, March. Warming temperatures and longer days combine to create a perfect atmosphere for outdoor activities. Weather in April »

Weather in May

Portugal sees the initiation of the summer season in May, with sun-soaked days offering perfect weather for various outings in Estoi. With the departure of April, the change in climate becomes more evident as the temperature continues to rise. Weather in May »

Weather in June

June in Estoi means the vibrant summer season is in full swing. Experiencing one of the driest months of the year, June brings with it maximum sunshine and minimal rainfall; only 2mm (0.08") over a negligible 1.8 days. Expect the city to come alive in a different manner, with buzzing terraces and long days on the beach. Weather in June »

Weather in July

July ushers in the peak summer month for Estoi, with temperatures soaring higher than any other month. The city radiates an exuberant atmosphere under the long sun-drenched days. With precipitation at its lowest, at no more than 1mm (0.04"), and approximately just one rainy day, July essentially remains a dry month. Weather in July »

Weather in August

In August, the weather in Estoi continues its peak summer form from July. The days remain packed with an abundance of sunshine allowing tourists and locals alike to enjoy the city at its finest. Hot, long, and dry, August competes closely with July for the hottest month of the year in Estoi. Weather in August »

Weather in September

September marks the gradual transition from the peak summer months to the more mild autumn in Estoi. The temperature begins to dip from the soaring heights of August, yet the warm weather largely remains. Rainfall sees a slight increase to 3mm (0.12"), across approximately three days. Weather in September »

Weather in October

As Estoi moves into October, the fall season becomes more evident with further declining temperatures. A shift from the prevalent heat of September, October brings with it a new charm. As the temperatures cool, the rainfall begins to increase, measuring at 6mm (0.24") spread over 4.8 days. Weather in October »

Weather in November

November in Estoi is characterized by the dominant autumn feel it imparts. A deeper plunge in temperatures accentuates the shift from the warm October days. While November may not share October's vibrance, it indeed presents a different atmosphere in Estoi. Weather in November »

Weather in December

December culminates the year in Estoi and welcomes the winter season. Contrasting with the milder November, December manifests a distinctive drop in temperature. Despite the onset of winter, December maintains a moderate temperature, not reaching the low extremes of other winter regions. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Estoi?

Estoi's January weather, marked by an average high temperature of 14.8°C (58.6°F) and an average low temperature of 9.8°C (49.6°F), is the coldest in the year.

What is the most humid month in Estoi?

The most humid month in Estoi, Portugal, is January, with an average relative humidity of 76%.

How much does it rain in Estoi?

In Estoi, Portugal, during the entire year, the rain falls for 49.6 days and collects up to 65mm (2.56") of precipitation.

What months are the sea coldest in Estoi?

January through March, with an average sea temperature of 16°C (60.8°F), are months with the coldest seawater.

What is the month with the least sunshine in Estoi?

With an average of 6h of sunshine, January has the least sunshine of the year in Estoi.

When is the lowest UV index in Estoi?

January is the month with the lowest UV index, with an average maximum UV index of 3.

What is the rainiest month in Estoi?

The month with the most rainfall in Estoi is April, when the rain falls for 8.3 days and typically aggregates up to 12mm (0.47") of precipitation.

When is the highest UV index in Estoi?

The months with the highest UV index are May through September, with an average maximum UV index of 6.

When are the longest days in Estoi?

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

What are the least humid months in Estoi?

The months with the lowest humidity in Estoi are July and August, with an average relative humidity of 59%.

What is the driest month in Estoi?

The only month without rainfall in Estoi is July.

What month has the most sunshine in Estoi?

With an average of 11.9h of sunshine, July has the most sunshine of the year in Estoi, Portugal.

What time of the year is the hottest in Estoi?

The warmest time of the year in Estoi is August, with temperatures averaging a high of 29°C (84.2°F) and a low of 19.9°C (67.8°F).

When does it rain in Estoi?

January through June, August through December are months with rainfall in Estoi, Portugal.

What is the month with the warmest sea water in Estoi?

With an average sea temperature of 22°C (71.6°F), August is the month with the warmest seawater in Estoi.

When is Daylight Saving Time (DST) in Estoi?

On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Estoi, Portugal, 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 month with the shortest days in Estoi?

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

Average temperature
Estoi, Portugal

Average temperature - Estoi, Portugal

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (14.8°C).

The month with the highest average low temperature is August (19.9°C).
The coldest months (with the lowest average low temperature) are January and February (9.8°C).

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Average pressure
Estoi, Portugal

Average pressure - Estoi, Portugal

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed
Estoi, Portugal

Average wind speed - Estoi, Portugal

The windiest months (with the highest average wind speed) are February and March (17.1km/h).
The calmest month (with the lowest average wind speed) is September (11.6km/h).

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Average humidity
Estoi, Portugal

Average humidity - Estoi, Portugal

The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (59%).

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Average rainfall days
Estoi, Portugal

Average rainfall days - Estoi, Portugal

The month with the highest number of rainy days is April (8.3 days).
The month with the least rainy days is August (0.6 days).

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Average sea temperature
Estoi, Portugal

Average sea temperature - Estoi, Portugal

The best month for swimming (with the highest average sea temperature) is August (22°C).
The coldest months (with the lowest average sea temperature) are January, February and March (16°C).

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Average daylight / Average sunshine
Estoi, Portugal

Average daylight / Average sunshine - Estoi, 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: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

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Average sunshine days
Estoi, Portugal

Average sunshine days - Estoi, Portugal

The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is April (18.4 days).

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Average UV index
Estoi, Portugal

Average UV index - Estoi, Portugal

The months with the highest UV index are May, June, July, August and September (UV index 6).
The month with the lowest UV index is January (UV index 3).

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Average visibility
Estoi, Portugal

Average visibility - Estoi, Portugal

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Estoi, Portugal

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