Climate and monthly weather forecast
Viseu, Portugal

Weather in January

January, like December, in Viseu, Portugal, is a cool winter month, with an average temperature fluctuating between 10.7°C (51.3°F) and 3.1°C (37.6°F). With an average high-temperature of 10.7°C (51.3°F) and an average low-temperature of 3.1°C (37.6°F), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Viseu, is also a fresh month, with an average temperature fluctuating between 11.8°C (53.2°F) and 3.2°C (37.8°F). In February, the average high-temperature is relatively the same as in January - a still fresh 11.8°C (53.2°F). Weather in February »

Weather in March

The first month of the spring, March, is a moderate month in Viseu, Portugal, with temperature in the range of an average low of 4.3°C (39.7°F) and an average high of 14.6°C (58.3°F). In Viseu, Portugal, the average high-temperature in March is relatively the same as in February - a moderate 14.6°C (58.3°F). Weather in March »

Weather in April

April in Viseu, Portugal, is an enjoyable spring month, with an average temperature fluctuating between 17°C (62.6°F) and 6.2°C (43.2°F). In Viseu, the average high-temperature in April is almost the same as in March - an enjoyable 17°C (62.6°F). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Viseu, Portugal, with an average temperature varying between 21.2°C (70.2°F) and 9°C (48.2°F). In May, the average high-temperature slightly increases from an enjoyable 17°C (62.6°F) in April to a pleasant 21.2°C (70.2°F). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Viseu, Portugal, with an average temperature ranging between min 11.2°C (52.2°F) and max 25°C (77°F). In June, the average high-temperature marginally rises from an agreeable 21.2°C (70.2°F) in May to a warm 25°C (77°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Viseu, Portugal, with an average temperature varying between 13.3°C (55.9°F) and 29.1°C (84.4°F). In Viseu, the average high-temperature in July slightly increases from 25°C (77°F) in June to a still moderately hot 29.1°C (84.4°F). Weather in July »

Weather in August

August, the last month of the summer in Viseu, is also a moderately hot month, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 29.6°C (85.3°F). August is the warmest month, with an average high-temperature of 29.6°C (85.3°F) and an average low-temperature of 13.5°C (56.3°F). In August, the average heat index is estimated at a tropical 31.6°C (88.9°F). Weather in August »

Weather in September

September, the first month of the autumn in Viseu, is still a warm month, with an average temperature fluctuating between 12.5°C (54.5°F) and 26.5°C (79.7°F). In Viseu, the average high-temperature in September marginally drops from 29.6°C (85.3°F) in August to a still warm 26.5°C (79.7°F). Weather in September »

Weather in October

October, the same as September, in Viseu, Portugal, is another pleasant autumn month, with an average temperature fluctuating between 20.7°C (69.3°F) and 10.4°C (50.7°F). In Viseu, the average high-temperature in October decreases from a warm 26.5°C (79.7°F) in September to a pleasant 20.7°C (69.3°F). Weather in October »

Weather in November

November, the last month of the autumn in Viseu, is another mild month, with temperature in the range of an average high of 13.4°C (56.1°F) and an average low of 6.2°C (43.2°F). In Viseu, the average high-temperature in November drops from an agreeable 20.7°C (69.3°F) in October to a mild 13.4°C (56.1°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Viseu, Portugal, with an average temperature fluctuating between 4.2°C (39.6°F) and 11.6°C (52.9°F). In Viseu, the average high-temperature in December is almost the same as in November - a cool 11.6°C (52.9°F). Weather in December »
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FAQ

What is the coldest month in Viseu?

With an average high-temperature of 10.7°C (51.3°F) and an average low-temperature of 3.1°C (37.6°F), January is the coldest month in Viseu, Portugal.

What is the most humid month in Viseu?

With an average relative humidity of 85%, January is the most humid month in Viseu.

How many days does it rain in Viseu?

Throughout the year, there are 125.4 rainfall days, and 553mm (21.77") of precipitation is accumulated.

When does it snow in Viseu?

Months with snowfall in Viseu, Portugal, are January through March and November.

When does it snow the most in Viseu?

The months with the most snowfall are January and February, with an average 3mm (0.12") of accumulated snow.

How much does it snow in Viseu?

In Viseu, Portugal, during the entire year, snow falls for 1.1 days and aggregates up to 9mm (0.35") of snow.

What is the month with the least sunshine in Viseu?

The month with the least sunshine is January, with an average of 4.7h of sunshine.

What are the months with the lowest UV index in Viseu?

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

When is Daylight Saving Time (DST) in Viseu?

On Sunday, 27. March 2022, at 01:00, Daylight Saving Time starts, and the time zone changes from WET to WEST. Daylight Saving Time ends on Sunday, 30. October 2022, at 02:00, and the time zone reverts from WEST to WET.

When it does not snow in Viseu?

April through October and December are months without snowfall.

When are the longest days in Viseu?

June has the longest days of the year, with an average of 15h and 2min of daylight.

What is the driest month in Viseu?

July is the month with the least rainfall in Viseu. Rain falls for 4.3 days and accumulates 6mm (0.24") of precipitation.

What month has the most sunshine in Viseu?

With an average of 11.5h of sunshine, July has the most sunshine of the year in Viseu.

What are the months with the highest UV index in Viseu?

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

What is the warmest month in Viseu?

August is the warmest month, with an average high-temperature of 29.6°C (85.3°F) and an average low-temperature of 13.5°C (56.3°F).

What is the least humid month in Viseu?

August is the least humid month in Viseu, Portugal, with an average relative humidity of 57%.

What is the wettest month in Viseu?

December is the month with the most rainfall in Viseu, Portugal. Rain falls for 11.5 days and accumulates 92mm (3.62") of precipitation.

What is the month with the shortest days in Viseu?

The month with the shortest days in Viseu, Portugal, is December, with an average of 9h and 19min of daylight.

Average temperature
Viseu, Portugal

Average temperature - Viseu, Portugal

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

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Average pressure
Viseu, Portugal

Average pressure - Viseu, Portugal

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed
Viseu, Portugal

Average wind speed - Viseu, Portugal

The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

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Average rainfall
Viseu, Portugal

Average rainfall - Viseu, Portugal

The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days
Viseu, Portugal

Average rainfall days - Viseu, Portugal

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall
Viseu, Portugal

Average snowfall - Viseu, Portugal

The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

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Average snowfall days
Viseu, Portugal

Average snowfall days - Viseu, Portugal

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Viseu, Portugal

Average daylight / Average sunshine - Viseu, Portugal

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days
Viseu, Portugal

Average sunshine days - Viseu, Portugal

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).

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Average UV index
Viseu, Portugal

Average UV index - Viseu, Portugal

The months with the highest UV index are July and August (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
Viseu, Portugal

Average visibility - Viseu, Portugal

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).

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