January weather forecast and climate
Barcelona, Spain

The artistic Park Gull designed by Gaudi in Barcelona, Spain
The artistic Park Gull designed by Gaudi in Barcelona, Spain

Weather in January

January, the same as December, is a cool winter month in Barcelona, Spain, with temperature in the range of an average low of 7.4°C (45.3°F) and an average high of 12.4°C (54.3°F).

Temperature

The coldest month is January, with an average high-temperature of 12.4°C (54.3°F) and an average low-temperature of 7.4°C (45.3°F).

Humidity

The average relative humidity in Barcelona is 69%.

Rainfall

In January, the rain falls for 8.5 days. Throughout January, 40mm (1.57") of precipitation is accumulated. In Barcelona, during the entire year, the rain falls for 117.9 days and collects up to 435mm (17.13") of precipitation.

Snowfall

Months with snowfall are January, February and September. Months with the most snowfall are January, February and September, with an average 1mm (0.04") of accumulated snow.

Sea temperature

In January, the average sea temperature in Barcelona is 13.4°C (56.1°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In January, the average length of the day is 9.6h.

Sunshine

The average sunshine in January is 6.8h.

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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 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 Barcelona?

January is the coldest month in Barcelona, Spain, with an average high-temperature of 12.4°C (54.3°F) and an average low-temperature of 7.4°C (45.3°F).

What is the average humidity in January in Barcelona?

The average relative humidity in January in Barcelona, Spain, is 69%.

How many days does it rain in January in Barcelona?

In Barcelona, in January, it is raining for 8.5 days, with typically 40mm (1.57") of accumulated precipitation.

What is the snowiest month in Barcelona?

Months with the most snowfall in Barcelona are January, February and September, with an average 1mm (0.04") of accumulated snow.

When does it start snowing in Barcelona?

January is the first month it typically snows in Barcelona. Throughout January, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow.

What is the sea water temperature in January in Barcelona?

In Barcelona, Spain, the average seawater temperature in January is 13.4°C (56.1°F). Swimming in 13.4°C (56.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Barcelona have in January?

In January, the average length of the day in Barcelona, Spain, is 9.6h.

How long on average sun shines in January in Barcelona?

In January, the average sunshine in Barcelona is 6.8h.

When is the lowest UV index in Barcelona?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Barcelona, Spain.

How high is the UV index in January in Barcelona?

The average daily maximum UV index in January in Barcelona is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in January
Barcelona, Spain

Average temperature in January - Barcelona, Spain
  • Average high temperature in January: 12.4°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (12.4°C).

  • Average low temperature in January: 7.4°C

The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).

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Average pressure in January
Barcelona, Spain

Average pressure in January - Barcelona, Spain
  • Average pressure in January: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).

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Average wind speed in January
Barcelona, Spain

Average wind speed in January - Barcelona, Spain
  • Average wind speed in January: 11.8km/h

The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

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Average humidity in January
Barcelona, Spain

Average humidity in January - Barcelona, Spain
  • Average humidity in January: 69%

Months with the highest relative humidity are April and October (72%).
Months with the lowest relative humidity are February, June and November (68%).

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Average rainfall in January
Barcelona, Spain

Average rainfall in January - Barcelona, Spain
  • Average rainfall in January: 40mm

The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (16mm).

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Average rainfall days in January
Barcelona, Spain

Average rainfall days in January - Barcelona, Spain
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is December (6.4 days).

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Average snowfall in January
Barcelona, Spain

Average snowfall in January - Barcelona, Spain
  • Average snowfall in January: 1mm

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

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Average snowfall days in January
Barcelona, Spain

Average snowfall days in January - Barcelona, Spain
  • Average snowfall days in January: 0.1 days

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are March, April, May, June, July, August, October, November and December (0 days).

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Average sea temperature in January
Barcelona, Spain

Average sea temperature in January - Barcelona, Spain
  • Average sea temperature in January: 13.4°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

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Average daylight in January /
Average sunshine in January
Barcelona, Spain

Average daylight in January / Average sunshine in January - Barcelona, Spain
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 6.8h

Months with the most sunshine are June and July (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in January
Barcelona, Spain

Average sunshine days in January - Barcelona, Spain
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is September (12.3 days).

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Average UV index in January
Barcelona, Spain

Average UV index in January - Barcelona, Spain
  • Average UV index in January: 3

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in January
Barcelona, Spain

Average cloud cover in January - Barcelona, Spain
  • Average cloud cover in January: 28

The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 16).

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Average visibility in January
Barcelona, Spain

Average visibility in January - Barcelona, Spain
  • Average visibility in January: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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