Monthly weather forecast and climate
Ribeira da Isna, Portugal

Weather in January

January, like December, in Ribeira da Isna, Portugal, is another fresh winter month, with average temperature varying between 11.6°C (52.9°F) and 3.9°C (39°F). With an average high-temperature of 11.6°C (52.9°F) and an average low-temperature of 3.9°C (39°F), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Ribeira da Isna, is a moderate month, with average temperature varying between 13.1°C (55.6°F) and 4°C (39.2°F). In February, the average high-temperature is almost the same as in January - a moderate 13.1°C (55.6°F). Weather in February »

Weather in March

The first month of the spring, March, is still a mild month in Ribeira da Isna, Portugal, with average temperature ranging between max 15.8°C (60.4°F) and min 5.5°C (41.9°F). In March, the average high-temperature is relatively the same as in February - a still mild 15.8°C (60.4°F). Weather in March »

Weather in April

April in Ribeira da Isna, Portugal, is an enjoyable spring month, with average temperature ranging between min 7.8°C (46°F) and max 18.5°C (65.3°F). In April, the average high-temperature is practically the same as in March - a comfortable 18.5°C (65.3°F). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Ribeira da Isna, Portugal, with temperature in the range of an average high of 23.1°C (73.6°F) and an average low of 11.3°C (52.3°F). In May, the average high-temperature marginally rises, from an enjoyable 18.5°C (65.3°F) in April, to a moderately hot 23.1°C (73.6°F). Weather in May »

Weather in June

June, the first month of the summer, in Ribeira da Isna, is also a moderately hot month, with temperature in the range of an average low of 14.6°C (58.3°F) and an average high of 27.8°C (82°F). In Ribeira da Isna, the average high-temperature slightly increases, from a moderately hot 23.1°C (73.6°F) in May, to a still warm 27.8°C (82°F). Weather in June »

Weather in July

July is a tropical summer month in Ribeira da Isna, Portugal, with average temperature fluctuating between 32.1°C (89.8°F) and 17.2°C (63°F). In Ribeira da Isna, the average high-temperature in July marginally rises, from a moderately hot 27.8°C (82°F) in June, to a tropical 32.1°C (89.8°F). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Ribeira da Isna, Portugal, with average temperature fluctuating between 17.1°C (62.8°F) and 32.8°C (91°F). August is the warmest month, with an average high-temperature of 32.8°C (91°F) and an average low-temperature of 17.1°C (62.8°F). In August, the average heat index is appraised at a tropical 34.4°C (93.9°F). Weather in August »

Weather in September

September, the first month of the autumn, in Ribeira da Isna, is still a warm month, with temperature in the range of an average high of 28.6°C (83.5°F) and an average low of 15.4°C (59.7°F). In Ribeira da Isna, the average high-temperature in September marginally drops, from a hot 32.8°C (91°F) in August, to a warm 28.6°C (83.5°F). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Ribeira da Isna, Portugal, with average temperature fluctuating between 12.2°C (54°F) and 22.3°C (72.1°F). In Ribeira da Isna, the average high-temperature decreases, from a warm 28.6°C (83.5°F) in September, to a pleasant 22.3°C (72.1°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Ribeira da Isna, Portugal, with temperature in the range of an average high of 15°C (59°F) and an average low of 7.8°C (46°F). In Ribeira da Isna, the average high-temperature decreases, from an agreeable 22.3°C (72.1°F) in October, to a mild 15°C (59°F). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Ribeira da Isna, Portugal, with temperature in the range of an average low of 4.9°C (40.8°F) and an average high of 12.6°C (54.7°F). In Ribeira da Isna, the average high-temperature is essentially the same as in November - a fresh 12.6°C (54.7°F). Weather in December »
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FAQ

What is the coldest month in Ribeira da Isna?

January is the coldest month, with an average high-temperature of 11.6°C (52.9°F) and an average low-temperature of 3.9°C (39°F).

What is the most humid month in Ribeira da Isna?

With an average relative humidity of 82%, January is the most humid month.

How many days does it rain in Ribeira da Isna?

Throughout the year, in Ribeira da Isna, there are 97.2 rainfall days, and 371mm (14.61") of precipitation is accumulated.

When does it snow in Ribeira da Isna?

January is the only month when snow falls.

How much does it snow in Ribeira da Isna?

Throughout the year, there are 0.2 snowfall days, and 1mm (0.04") of snow is accumulated.

When does it snow the most in Ribeira da Isna?

The month with the most snowfall in Ribeira da Isna is January when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.

What is the month with the least sunshine in Ribeira da Isna?

The month with the least sunshine is January, with an average of 5.2h of sunshine.

When it does not snow in Ribeira da Isna?

February through December are months without snowfall.

What is the month with the highest UV index in Ribeira da Isna?

Months with the highest UV index in Ribeira da Isna are May through August, with an average maximum UV index of 6.

When are the longest days in Ribeira da Isna?

With an average of 15h of daylight, June has the longest days of the year.

What is the driest month in Ribeira da Isna?

July and August are months with the least rain in Ribeira da Isna, Portugal, when the rain falls for 2.3 days and typically aggregates up to 3mm (0.12") of rain.

What are the months with the most sunshine in Ribeira da Isna?

July and August, with an average of 11.8h of sunshine, are months with the most sunshine in Ribeira da Isna.

What is the warmest month in Ribeira da Isna?

August is the warmest month, with an average high-temperature of 32.8°C (91°F) and an average low-temperature of 17.1°C (62.8°F).

What is the least humid month in Ribeira da Isna?

The least humid month in Ribeira da Isna is August, with an average relative humidity of 44%.

What is the rainiest month in Ribeira da Isna?

The month with the most rainfall in Ribeira da Isna is November when the rain falls for 12.3 days and typically aggregates up to 60mm (2.36") of precipitation.

What is the month with the shortest days in Ribeira da Isna?

With an average of 9.4h of daylight, December has the shortest days of the year in Ribeira da Isna.

What is the month with the lowest UV index in Ribeira da Isna?

December is the month with the lowest UV index in Ribeira da Isna, Portugal, with an average maximum UV index of 2.

Average temperature
Ribeira da Isna, Portugal

Average temperature - Ribeira da Isna, Portugal

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (11.6°C).

The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).

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Average pressure
Ribeira da Isna, Portugal

Average pressure - Ribeira da Isna, Portugal

The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed
Ribeira da Isna, Portugal

Average wind speed - Ribeira da Isna, Portugal

The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

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Average humidity
Ribeira da Isna, Portugal

Average humidity - Ribeira da Isna, Portugal

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (44%).

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Average rainfall
Ribeira da Isna, Portugal

Average rainfall - Ribeira da Isna, Portugal

The wettest month (with the highest rainfall) is November (60mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days
Ribeira da Isna, Portugal

Average rainfall days - Ribeira da Isna, Portugal

The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (1.5 days).

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Average snowfall
Ribeira da Isna, Portugal

Average snowfall - Ribeira da Isna, Portugal

The month with the highest snowfall is January (1mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days
Ribeira da Isna, Portugal

Average snowfall days - Ribeira da Isna, Portugal

Months with the highest number of snowfall days are January and March (0.1 days).
Months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Ribeira da Isna, Portugal

Average daylight / Average sunshine - Ribeira da Isna, Portugal

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days
Ribeira da Isna, Portugal

Average sunshine days - Ribeira da Isna, Portugal

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is April (16.6 days).

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Average UV index
Ribeira da Isna, Portugal

Average UV index - Ribeira da Isna, Portugal

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average visibility
Ribeira da Isna, Portugal

Average visibility - Ribeira da Isna, Portugal

Months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).

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