Climate and monthly weather forecast
Rio de Fornos, Portugal

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Weather in January

January, the same as December, in Rio de Fornos, Portugal, is a frosty winter month, with an average temperature ranging between max 8.3°C (46.9°F) and min 1.3°C (34.3°F). January, characterized by an average high temperature of 8.3°C (46.9°F) and a low temperature of 1.3°C (34.3°F), is generally the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Rio de Fornos, Portugal, with temperature in the range of an average high of 9.4°C (48.9°F) and an average low of 1.2°C (34.2°F). The commencement of February notes an average high-temperature of a still frosty 9.4°C (48.9°F), exhibiting little difference from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Rio de Fornos, Portugal, with an average temperature varying between 12.6°C (54.7°F) and 2.7°C (36.9°F). In March, the average high-temperature marginally rises from a chilly 9.4°C (48.9°F) in February to a fresh 12.6°C (54.7°F). Weather in March »

Weather in April

April in Rio de Fornos, Portugal, is a mild spring month, with an average temperature varying between 15.5°C (59.9°F) and 4.6°C (40.3°F). Transitioning into April, Rio de Fornos records an average high-temperature of a refreshing 15.5°C (59.9°F), almost identical to March's 12.6°C (54.7°F). Weather in April »

Weather in May

May, the last month of the spring in Rio de Fornos, is a refreshing month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 19.6°C (67.3°F). May's arrival signals a modest temperature shift, moving from a refreshing 15.5°C (59.9°F) in April to a comfortable 19.6°C (67.3°F). Weather in May »

Weather in June

June, the first month of the summer in Rio de Fornos, is a warm month, with temperature in the range of an average low of 11.2°C (52.2°F) and an average high of 23.8°C (74.8°F). In Rio de Fornos, the average high-temperature in June slightly rises, from a refreshing 19.6°C (67.3°F) in May, to a warm 23.8°C (74.8°F). Weather in June »

Weather in July

July, like June, in Rio de Fornos, Portugal, is a moderately hot summer month, with an average temperature fluctuating between 13.8°C (56.8°F) and 28.2°C (82.8°F). As July begins, there's a slight increase in the average high-temperature, moving from a moderately hot 23.8°C (74.8°F) in June to a still warm 28.2°C (82.8°F). Weather in July »

Weather in August

August, the last month of the summer in Rio de Fornos, is also a moderately hot month, with an average temperature fluctuating between 28.3°C (82.9°F) and 13.4°C (56.1°F). Rio de Fornos's warmest weather arrives in August, when temperatures average a high of 28.3°C (82.9°F) and a low of 13.4°C (56.1°F). The heat index value for August is computed to be 29°C (84.2°F). Weather in August »

Weather in September

September, the first month of the autumn in Rio de Fornos, is still a warm month, with an average temperature ranging between min 11.5°C (52.7°F) and max 24.2°C (75.6°F). The arrival of September corresponds with a light shift in temperature, down from 28.3°C (82.9°F) in August to a still warm 24.2°C (75.6°F). Weather in September »

Weather in October

October, like September, in Rio de Fornos, Portugal, is another comfortable autumn month, with an average temperature varying between 8.6°C (47.5°F) and 18.3°C (64.9°F). October comes with a decrease in the average high-temperature, falling from a moderately hot 24.2°C (75.6°F) in September to a refreshing 18.3°C (64.9°F). Weather in October »

Weather in November

November, the last month of the autumn in Rio de Fornos, is another cool month, with an average temperature fluctuating between 4.3°C (39.7°F) and 11°C (51.8°F). As Rio de Fornos enters November, the average high-temperature decreases from the a refreshing 18.3°C (64.9°F) of October to a cool 11°C (51.8°F). Weather in November »

Weather in December

December, the first month of the winter in Rio de Fornos, is also a frosty month, with an average temperature fluctuating between 8.9°C (48°F) and 2°C (35.6°F). Rio de Fornos marks the start of December with an average high-temperature of a chilly 8.9°C (48°F), hinting at a slight fluctuation from November's 11°C (51.8°F). Weather in December »
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Frequently asked questions

What are the coldest months in Rio de Fornos?

Rio de Fornos experiences its lowest temperatures in January, with an average peak of 8.3°C (46.9°F) and a low of 1.3°C (34.3°F).

What is the most humid month in Rio de Fornos?

January is the most humid month in Rio de Fornos, Portugal, with an average relative humidity of 85%.

How many days does it rain in Rio de Fornos?

In Rio de Fornos, Portugal, during the entire year, the rain falls for 141.4 days and collects up to 527mm (20.75") of precipitation.

When does it snow in Rio de Fornos?

January through March, November and December are months with snowfall.

How many days does it snow in Rio de Fornos?

In Rio de Fornos, Portugal, during the entire year, snow falls for 6.4 days and aggregates up to 51mm (2.01") of snow.

What is the month with the least sunshine in Rio de Fornos?

The month with the least sunshine in Rio de Fornos is January, with an average of 4.8h of sunshine.

When is the lowest UV index in Rio de Fornos?

The months with the lowest UV index in Rio de Fornos, Portugal, are January, February, November and December, with an average maximum UV index of 2.

What is the snowiest month in Rio de Fornos?

The month with the most snowfall in Rio de Fornos is February, when snow falls for 2 days and typically aggregates up to 19mm (0.75") of snow.

When it does not snow in Rio de Fornos?

In Rio de Fornos, snow does not fall in April through October.

When are the longest days in Rio de Fornos?

The month with the longest days is June, with an average of 15h and 12min of daylight.

What month has the most sunshine in Rio de Fornos?

With an average of 11.8h of sunshine, July has the most sunshine of the year in Rio de Fornos.

What is the month with the highest UV index in Rio de Fornos?

With an average maximum UV index of 6, July is the month with the highest UV index in Rio de Fornos, Portugal.

What month is the hottest in Rio de Fornos?

August is Rio de Fornos's warmest month, registering average high temperatures of 28.3°C (82.9°F) and lows of 13.4°C (56.1°F).

What is the least humid month in Rio de Fornos?

The least humid month is August, with an average relative humidity of 52%.

What is the driest month in Rio de Fornos?

The month with the least rainfall in Rio de Fornos, Portugal, is August, when the rain falls for 4.2 days and typically collects 11mm (0.43") of precipitation.

When is Daylight Saving Time (DST) in Rio de Fornos?

On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Rio de Fornos, 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 wettest month in Rio de Fornos?

November is the month with the most rainfall in Rio de Fornos. Rain falls for 15.8 days and accumulates 73mm (2.87") of precipitation.

What is the month with the shortest days in Rio de Fornos?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

Average temperature
Rio de Fornos, Portugal

Average temperature - Rio de Fornos, Portugal

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

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Average pressure
Rio de Fornos, Portugal

Average pressure - Rio de Fornos, Portugal

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed
Rio de Fornos, Portugal

Average wind speed - Rio de Fornos, Portugal

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

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Average humidity
Rio de Fornos, Portugal

Average humidity - Rio de Fornos, Portugal

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

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Average rainfall
Rio de Fornos, Portugal

Average rainfall - Rio de Fornos, Portugal

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

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Average rainfall days
Rio de Fornos, Portugal

Average rainfall days - Rio de Fornos, Portugal

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

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Average snowfall
Rio de Fornos, Portugal

Average snowfall - Rio de Fornos, Portugal

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Rio de Fornos, Portugal

Average snowfall days - Rio de Fornos, Portugal

The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Rio de Fornos, Portugal

Average daylight / Average sunshine - Rio de Fornos, Portugal

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days
Rio de Fornos, Portugal

Average sunshine days - Rio de Fornos, Portugal

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index
Rio de Fornos, Portugal

Average UV index - Rio de Fornos, Portugal

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Rio de Fornos, Portugal

Average visibility - Rio de Fornos, Portugal

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).

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Rio de Fornos, Portugal

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