Monthly weather forecast and climate
São Martinho, Portugal

Weather in January

January, like December, in São Martinho, Portugal, is another comfortable winter month, with average temperature varying between 16.3°C (61.3°F) and 17.6°C (63.7°F). In São Martinho, the average high-temperature is essentially the same as in December - a still enjoyable 17.6°C (63.7°F). Weather in January »

Weather in February

February, the last month of the winter, in São Martinho, is another comfortable month, with average temperature varying between 16.9°C (62.4°F) and 15.4°C (59.7°F). February and March, with an average high-temperature of 16.9°C (62.4°F), are the coldest months. Weather in February »

Weather in March

March, the first month of the spring, in São Martinho, is also an enjoyable month, with average temperature fluctuating between 15.1°C (59.2°F) and 16.9°C (62.4°F). The coldest months are February and March, with an average high-temperature of 16.9°C (62.4°F). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in São Martinho, Portugal, with average temperature ranging between max 17.4°C (63.3°F) and min 15.8°C (60.4°F). In April, the average high-temperature is almost the same as in March - a still enjoyable 17.4°C (63.3°F). Weather in April »

Weather in May

May, the last month of the spring, in São Martinho, is another comfortable month, with average temperature ranging between min 17.3°C (63.1°F) and max 18.8°C (65.8°F). In São Martinho, the average high-temperature in May is relatively the same as in April - a still enjoyable 18.8°C (65.8°F). Weather in May »

Weather in June

June, the first month of the summer, in São Martinho, is a pleasant month, with temperature in the range of an average high of 20.3°C (68.5°F) and an average low of 18.7°C (65.7°F). In June, the average high-temperature is essentially the same as in May - an agreeable 20.3°C (68.5°F). Weather in June »

Weather in July

July, like June, is an agreeable summer month in São Martinho, Portugal, with temperature in the range of an average high of 22.1°C (71.8°F) and an average low of 20.3°C (68.5°F). In São Martinho, Portugal, the average high-temperature is relatively the same as in June - a still agreeable 22.1°C (71.8°F). Weather in July »

Weather in August

August, the last month of the summer, in São Martinho, is a warm month, with average temperature varying between 21.4°C (70.5°F) and 23°C (73.4°F). With an average high-temperature of 23°C (73.4°F) and an average low-temperature of 21.4°C (70.5°F), August is the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in São Martinho, Portugal, with average temperature varying between 22.8°C (73°F) and 21.7°C (71.1°F). In September, the average high-temperature is almost the same as in August - an agreeable 22.8°C (73°F). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in São Martinho, Portugal, with average temperature varying between 22.1°C (71.8°F) and 20.6°C (69.1°F). In October, the average high-temperature is essentially the same as in September - a still pleasant 22.1°C (71.8°F). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in São Martinho, Portugal, with average temperature ranging between min 18.8°C (65.8°F) and max 20°C (68°F). In São Martinho, the average high-temperature is essentially the same as in October - a still agreeable 20°C (68°F). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in São Martinho, Portugal, with average temperature ranging between min 17.5°C (63.5°F) and max 18.7°C (65.7°F). In São Martinho, the average high-temperature in December is essentially the same as in November - a comfortable 18.7°C (65.7°F). Weather in December »
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FAQ

How many days does it rain in São Martinho?

In São Martinho, Portugal, during the entire year, the rain falls for 116.4 days and collects up to 232mm (9.13") of precipitation.

What is the month with the least sunshine in São Martinho?

January and December, with an average of 7.6h of sunshine, are months with the least sunshine.

What is the month with the lowest UV index in São Martinho?

January through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index in São Martinho.

What is the coldest month in São Martinho?

The coldest months in São Martinho, Portugal, are February and March, with an average high-temperature of 16.9°C (62.4°F).

What is the least humid month in São Martinho?

February is the least humid month, with an average relative humidity of 73%.

What are the most humid months in São Martinho?

June and August, with an average relative humidity of 80%, are most humid months in São Martinho, Portugal.

When are the longest days in São Martinho?

June has the longest days of the year in São Martinho, with an average of 14.3h of daylight.

What month has the most sunshine in São Martinho?

With an average of 9.2h of sunshine, June has the most sunshine of the year in São Martinho.

What are the months with the highest UV index in São Martinho?

Months with the highest UV index are July through October, with an average maximum UV index of 6.

What is the warmest month in São Martinho?

August is the warmest month in São Martinho, Portugal, with an average high-temperature of 23°C (73.4°F) and an average low-temperature of 21.4°C (70.5°F).

What is the driest month in São Martinho?

The month with the least rainfall is August when the rain falls for 3.9 days and typically collects 3mm (0.12") of precipitation.

What is the wettest month in São Martinho?

The month with the most rainfall is October when the rain falls for 12.5 days and typically aggregates up to 44mm (1.73") of precipitation.

What is the month with the shortest days in São Martinho?

With an average of 10h of daylight, December has the shortest days of the year.

Average temperature
São Martinho, Portugal

Average temperature - São Martinho, Portugal

The warmest month (with the highest average high temperature) is August (23°C).
Months with the lowest average high temperature are February and March (16.9°C).

The month with the highest average low temperature is September (21.7°C).
The coldest month (with the lowest average low temperature) is March (15.1°C).

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Average pressure
São Martinho, Portugal

Average pressure - São Martinho, Portugal

The month with the highest atmospheric pressure is January (1024.1mbar).
The month with the lowest atmospheric pressure is October (1017mbar).

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Average wind speed
São Martinho, Portugal

Average wind speed - São Martinho, Portugal

The windiest month (with the highest average wind speed) is February (23km/h).
The calmest month (with the lowest average wind speed) is September (17.7km/h).

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Average humidity
São Martinho, Portugal

Average humidity - São Martinho, Portugal

Months with the highest relative humidity are June and August (80%).
The month with the lowest relative humidity is February (73%).

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Average rainfall
São Martinho, Portugal

Average rainfall - São Martinho, Portugal

The wettest month (with the highest rainfall) is October (44mm).
The driest month (with the least rainfall) is August (3mm).

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Average rainfall days
São Martinho, Portugal

Average rainfall days - São Martinho, Portugal

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (3.9 days).

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Average daylight / Average sunshine
São Martinho, Portugal

Average daylight / Average sunshine - São Martinho, Portugal

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is June (Average sunshine: 9.2h).
Months with the least sunshine are January and December (Average sunshine: 7.6).

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Average sunshine days
São Martinho, Portugal

Average sunshine days - São Martinho, Portugal

The month with the most sunshine days is August (20.9 days).
The month with the least sunshine days is November (8.4 days).

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Average UV index
São Martinho, Portugal

Average UV index - São Martinho, Portugal

Months with the highest UV index are July, August, September and October (UV index 6).
Months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).

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Average visibility
São Martinho, Portugal

Average visibility - São Martinho, Portugal

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

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