Monthly weather forecast and climate
Rio Longo, Portugal

Weather in January

January, the same as December, is another fresh winter month in Rio Longo, Portugal, with temperature in the range of an average low of 3.8°C (38.8°F) and an average high of 10.8°C (51.4°F). With an average high-temperature of 10.8°C (51.4°F) and an average low-temperature of 3.8°C (38.8°F), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a fresh month in Rio Longo, Portugal, with average temperature varying between 3.5°C (38.3°F) and 11.5°C (52.7°F). In February, the average high-temperature is practically the same as in January - a still cool 11.5°C (52.7°F). Weather in February »

Weather in March

The first month of the spring, March, is a moderate month in Rio Longo, Portugal, with average temperature varying between 14.5°C (58.1°F) and 5°C (41°F). In March, the average high-temperature marginally rises, from a cool 11.5°C (52.7°F) in February, to a moderate 14.5°C (58.1°F). Weather in March »

Weather in April

April in Rio Longo, Portugal, is a comfortable spring month, with average temperature ranging between max 16.7°C (62.1°F) and min 6.3°C (43.3°F). In April, the average high-temperature is practically the same as in March - an enjoyable 16.7°C (62.1°F). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Rio Longo, Portugal, with temperature in the range of an average high of 20.7°C (69.3°F) and an average low of 9.2°C (48.6°F). In May, the average high-temperature marginally rises, from a comfortable 16.7°C (62.1°F) in April, to a pleasant 20.7°C (69.3°F). Weather in May »

Weather in June

June, the first month of the summer, in Rio Longo, is a warm month, with temperature in the range of an average high of 23.9°C (75°F) and an average low of 11.5°C (52.7°F). In June, the average high-temperature slightly increases, from a pleasant 20.7°C (69.3°F) in May, to a moderately hot 23.9°C (75°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Rio Longo, Portugal, with average temperature varying between 27.8°C (82°F) and 13.7°C (56.7°F). The warmest months are July and August, with an average high-temperature of 27.8°C (82°F). In July, the average heat index is estimated at 29.7°C (85.5°F). Weather in July »

Weather in August

August, the last month of the summer, in Rio Longo, is another warm month, with average temperature varying between 13.5°C (56.3°F) and 27.8°C (82°F). The warmest months are July and August, with an average high-temperature of 27.8°C (82°F). In August, the average heat index is calculated to 29.4°C (84.9°F). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Rio Longo, Portugal, with average temperature varying between 25.4°C (77.7°F) and 12.5°C (54.5°F). In September, the average high-temperature is relatively the same as in August - a still warm 25.4°C (77.7°F). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Rio Longo, Portugal, with average temperature ranging between max 20°C (68°F) and min 10.9°C (51.6°F). In October, the average high-temperature decreases, from a moderately hot 25.4°C (77.7°F) in September, to an agreeable 20°C (68°F). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Rio Longo, Portugal, with temperature in the range of an average low of 6.5°C (43.7°F) and an average high of 13.1°C (55.6°F). In Rio Longo, the average high-temperature decreases, from an agreeable 20°C (68°F) in October, to a moderate 13.1°C (55.6°F). Weather in November »

Weather in December

December, the first month of the winter, in Rio Longo, is also a fresh month, with temperature in the range of an average low of 4.8°C (40.6°F) and an average high of 11.5°C (52.7°F). In December, the average high-temperature is relatively the same as in November - a cool 11.5°C (52.7°F). Weather in December »
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FAQ

What is the coldest month in Rio Longo?

January is the coldest month in Rio Longo, with an average high-temperature of 10.8°C (51.4°F) and an average low-temperature of 3.8°C (38.8°F).

What is the most humid month in Rio Longo?

January is the most humid month, with an average relative humidity of 87%.

How many days does it rain in Rio Longo?

In Rio Longo, during the entire year, the rain falls for 132.3 days and collects up to 791mm (31.14") of precipitation.

When does it snow in Rio Longo?

January through March and November are months with snowfall.

How much does it snow in Rio Longo?

Throughout the year, in Rio Longo, there are 0.8 snowfall days, and 10mm (0.39") of snow is accumulated.

What is the snowiest month in Rio Longo?

January is the month with the most snowfall in Rio Longo. Snow falls for 0.3 days and accumulates 5mm (0.2") of snow.

What is the month with the least sunshine in Rio Longo?

With an average of 4.3h of sunshine, January has the least sunshine of the year in Rio Longo.

When is the lowest UV index in Rio Longo?

January and February, with an average maximum UV index of 2, are months with the lowest UV index in Rio Longo, Portugal.

When it does not snow in Rio Longo?

April through October and December are months without snowfall.

When are the longest days in Rio Longo?

With an average of 15.2h of daylight, June has the longest days of the year.

What are the warmest months in Rio Longo?

July and August, with an average high-temperature of 27.8°C (82°F), are warmest months in Rio Longo, Portugal.

What is the driest month in Rio Longo?

The month with the least rainfall in Rio Longo, Portugal, is July when the rain falls for 4.8 days and typically collects 7mm (0.28") of precipitation.

What month has the most sunshine in Rio Longo?

July has the most sunshine of the year, with an average of 11.1h of sunshine.

When is the highest UV index in Rio Longo?

Months with the highest UV index are July and August, with an average maximum UV index of 6.

What is the least humid month in Rio Longo?

With an average relative humidity of 62%, August is the least humid month.

What is the rainiest month in Rio Longo?

December is the month with the most rainfall. Rain falls for 14 days and accumulates 135mm (5.31") of precipitation.

What is the month with the shortest days in Rio Longo?

December has the shortest days of the year in Rio Longo, with an average of 9.2h of daylight.

Average temperature
Rio Longo, Portugal

Average temperature - Rio Longo, Portugal

The warmest months (with the highest average high temperature) are July and August (27.8°C).
The month with the lowest average high temperature is January (10.8°C).

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).

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Average pressure
Rio Longo, Portugal

Average pressure - Rio Longo, Portugal

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed
Rio Longo, Portugal

Average wind speed - Rio Longo, Portugal

The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

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Average humidity
Rio Longo, Portugal

Average humidity - Rio Longo, Portugal

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).

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Average rainfall
Rio Longo, Portugal

Average rainfall - Rio Longo, Portugal

The wettest month (with the highest rainfall) is December (135mm).
The driest month (with the least rainfall) is July (7mm).

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Average rainfall days
Rio Longo, Portugal

Average rainfall days - Rio Longo, Portugal

The month with the highest number of rainy days is January (16.2 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall
Rio Longo, Portugal

Average snowfall - Rio Longo, Portugal

The month with the highest snowfall is January (5mm).
Months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

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Average snowfall days
Rio Longo, Portugal

Average snowfall days - Rio Longo, Portugal

Months with the highest number of snowfall days are January and February (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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Average daylight / Average sunshine
Rio Longo, Portugal

Average daylight / Average sunshine - Rio Longo, Portugal

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days
Rio Longo, Portugal

Average sunshine days - Rio Longo, Portugal

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is November (12.2 days).

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Average visibility
Rio Longo, Portugal

Average visibility - Rio Longo, Portugal

Months with the highest visibility are July, August and September (9km).
Months with the lowest visibility are January, February, November and December (7km).

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