January weather forecast
Viseu, Portugal

Weather in January

January, the same as December, is another fresh winter month in Viseu, Portugal, with an average temperature ranging between min 3.1°C (37.6°F) and max 10.7°C (51.3°F).

Temperature

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.

Humidity

The most humid month is January, with an average relative humidity of 85%.

Rainfall

In Viseu, in January, it is raining for 13.8 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, in Viseu, there are 125.4 rainfall days, and 553mm (21.77") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in January is 9h and 39min.
On the first day of January, sunrise is at 07:55 and sunset at 17:15. On the last day of the month, sunrise is at 07:42 and sunset at 17:47 WET.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Viseu?

January 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).

What is the temperature in January in Viseu?

The average high-temperature, in January, in Viseu, is 10.7°C (51.3°F), while the average low-temperature is 3.1°C (37.6°F).

What is the most humid month in Viseu?

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

What is the average humidity in January in Viseu?

In Viseu, the average relative humidity in January is 85%.

How much does it rain in Viseu in January?

In Viseu, Portugal, during January, the rain falls for 13.8 days and regularly aggregates up to 72mm (2.83") of precipitation.

When does it snow the most in Viseu?

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

When does it start to snow in Viseu?

January is the first month it typically snows in Viseu, Portugal. Throughout January, in the average 0.4 snowfall days, it receives 3mm (0.12") of snow.

What is the average length of the day in January in Viseu?

In January, the average day length in Viseu, Portugal, is 9h and 39min.

When is the sunrise / sunset in January in Viseu?

In January, on the first day of the month, sunrise is at 07:55 and sunset at 17:15. On the last day of the month, in Viseu, Portugal, sunrise is at 07:42 and sunset at 17:47 WET.

What is the month with the least sunshine in Viseu?

With an average of 4.7h of sunshine, January has the least sunshine of the year in Viseu.

How many hours of sunshine does Viseu have in January?

In Viseu, Portugal, the average sunshine duration in January is 4.7h.

When is the lowest UV index in Viseu?

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

What is the UV index intensity in January in Viseu?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Viseu, Portugal

Average temperature in January - Viseu, Portugal
  • Average high temperature in January: 10.7°C

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).

  • Average low temperature in January: 3.1°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 in January
Viseu, Portugal

Average pressure in January - Viseu, Portugal
  • Average pressure in January: 1022.1mbar

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 in January
Viseu, Portugal

Average wind speed in January - Viseu, Portugal
  • Average wind speed in January: 8.6km/h

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 humidity in January
Viseu, Portugal

Average humidity in January - Viseu, Portugal
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in January
Viseu, Portugal

Average rainfall in January - Viseu, Portugal
  • Average rainfall in January: 72mm

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 in January
Viseu, Portugal

Average rainfall days in January - Viseu, Portugal
  • Average rainfall days in January: 13.8 days

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 in January
Viseu, Portugal

Average snowfall in January - Viseu, Portugal
  • Average snowfall in January: 3mm

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 in January
Viseu, Portugal

Average snowfall days in January - Viseu, Portugal
  • Average snowfall days in January: 0.4 days

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 in January /
Average sunshine in January
Viseu, Portugal

Average daylight in January / Average sunshine in January - Viseu, Portugal
  • Average daylight in January: 9h and 39min

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).

  • Average sunshine in January: 4h and 42min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in January
Viseu, Portugal

Average sunshine days in January - Viseu, Portugal
  • Average sunshine days in January: 14.8 days

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 in January
Viseu, Portugal

Average UV index in January - Viseu, Portugal
  • Average UV index in January: 2

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 cloud cover in January
Viseu, Portugal

Average cloud cover in January - Viseu, Portugal
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in January
Viseu, Portugal

Average visibility in January - Viseu, Portugal
  • Average visibility in January: 7km

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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