January weather forecast
Lisbon, Portugal

The beautiful hillside city of Lisbon in Portugal, with a high, far view of the Sao Jorge Castle
The beautiful hillside city of Lisbon in Portugal, with a high, far view of the Sao Jorge Castle

Weather in January

January, the same as December, in Lisbon, Portugal, is a moderate winter month, with temperature in the range of an average high of 14.8°C (58.6°F) and an average low of 8.3°C (46.9°F).

Temperature

January is the coldest month, with an average high-temperature of 14.8°C (58.6°F) and an average low-temperature of 8.3°C (46.9°F).

Rainfall

In Lisbon, during 14 rainfall days, 99.9mm (3.93") of precipitation is typically accumulated. In Lisbon, during the entire year, the rain falls for 112 days and collects up to 774mm (30.47") of precipitation.

Sea temperature

In January, the average sea temperature is 15.8°C (60.4°F).
Note: For most, swimming in 15.8°C (60.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in January is 9h and 49min.
On the first day of January, sunrise is at 07:54 and sunset at 17:25. On the last day of the month, sunrise is at 07:43 and sunset at 17:56 WET.

Sunshine

January, February, November and December, with an average of 5h of sunshine, are months with the least sunshine in Lisbon.

UV index

The months with the lowest UV index in Lisbon are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Lisbon?

The coldest month in Lisbon is January, with an average high-temperature of 14.8°C (58.6°F) and an average low-temperature of 8.3°C (46.9°F).

How much does it rain in Lisbon in January?

In Lisbon, Portugal, during January, the rain falls for 14 days and regularly aggregates up to 99.9mm (3.93") of precipitation.

What is the sea water temperature in January in Lisbon?

In Lisbon, in January, the average water temperature is 15.8°C (60.4°F). For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Lisbon have in January?

The average day length in January in Lisbon, Portugal, is 9h and 49min.

What time are sunrise and sunset in January in Lisbon?

In January, on the first day of the month, sunrise is at 07:54 and sunset at 17:25. On the last day of the month, in Lisbon, Portugal, sunrise is at 07:43 and sunset at 17:56 WET.

What is the month with the least sunshine in Lisbon?

The months with the least sunshine in Lisbon, Portugal, are January, February, November and December, with an average of 5h of sunshine.

How many hours of sunshine does Lisbon have in January?

In January, the average sunshine duration in Lisbon is 5h.

What is the month with the lowest UV index in Lisbon?

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

What is the UV index intensity in January in Lisbon?

In January, the average daily maximum UV index in Lisbon is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.

Average temperature in January
Lisbon, Portugal

Average temperature in January - Lisbon, Portugal
  • Average high temperature in January: 14.8°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in January: 8.3°C

The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).

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Average rainfall in January
Lisbon, Portugal

Average rainfall in January - Lisbon, Portugal
  • Average rainfall in January: 99.9mm

The wettest month (with the highest rainfall) is November (127.6mm).
The driest month (with the least rainfall) is July (4.2mm).

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Average rainfall days in January
Lisbon, Portugal

Average rainfall days in January - Lisbon, Portugal
  • Average rainfall days in January: 14 days

The months with the highest number of rainy days are January, February and December (14 days).
The months with the least rainy days are July and August (2 days).

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Average sea temperature in January
Lisbon, Portugal

Average sea temperature in January - Lisbon, Portugal
  • Average sea temperature in January: 15.8°C

The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).

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Average daylight in January /
Average sunshine in January
Lisbon, Portugal

Average daylight in January / Average sunshine in January - Lisbon, Portugal
  • Average daylight in January: 9h and 49min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in January: 5h

The months with the most sunshine are July and August (Average sunshine: 11h).
The months with the least sunshine are January, February, November and December (Average sunshine: 5).

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Average UV index in January
Lisbon, Portugal

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

The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January and December (UV index 2).

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