December weather forecast
Bilboa, Ireland

englishespañol中文
Share

Weather in December

The first month of the winter, December, is also a frosty month in Bilboa, Ireland, with an average temperature ranging between min 2.5°C (36.5°F) and max 7.2°C (45°F).

Temperature

As November transitions into December, the average high-temperature rests at a still frosty 7.2°C (45°F), maintaining a close resemblance to the previous month. Bilboa observes a minimal variance in temperature, with a consistent average low of 2.5°C (36.5°F) during the nights of December.

Humidity

November and December, with an average relative humidity of 92%, are the most humid months.

Rainfall

In December, the rain falls for 13.7 days. Throughout December, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Bilboa, there are 167.6 rainfall days, and 283mm (11.14") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Bilboa, Ireland, during December, snow falls for 1.2 days and regularly aggregates up to 4mm (0.16") of snow. Throughout the year, there are 7.4 snowfall days, and 38mm (1.5") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 42min of daylight.
On the first day of the month, sunrise is at 8:18 am and sunset at 4:16 pm. On the last day of December, in Bilboa, Ireland, sunrise is at 8:40 am and sunset at 4:22 pm GMT.

Sunshine

February, November and December, with an average of 3.8h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Bilboa are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
[Resources]

Frequently asked questions

What is the usual temperature for Bilboa in December?

In December, in Bilboa, the average high-temperature is 7.2°C (45°F), and the average low-temperature is 2.5°C (36.5°F).

What are the most humid months in Bilboa?

November and December, with an average relative humidity of 92%, are most humid months.

What is the average humidity in December in Bilboa?

The average relative humidity in December in Bilboa, Ireland, is 92%.

How many days does it rain in December in Bilboa?

In December, in Bilboa, the rain falls for 13.7 days. Throughout December, 27mm (1.06") of precipitation is accumulated.

How many days does it snow in December in Bilboa?

In Bilboa, Ireland, in December, snow falls for 1.2 days, with typically accumulated 4mm (0.16") of snow.

What is the month with the shortest days in Bilboa?

The month with the shortest days is December, with an average of 7h and 42min of daylight.

What is the average length of the day in December in Bilboa?

In December, the average day length is 7h and 43min.

What time are sunrise and sunset in December in Bilboa?

In December, on the first day of the month, sunrise is at 8:18 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:22 pm GMT.

What is the month with the least sunshine in Bilboa?

February, November and December, with an average of 3.8h of sunshine, are months with the least sunshine in Bilboa.

How long on average sun shines in December in Bilboa?

The average sunshine duration in December is 3.8h.

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

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

What is the UV index reading in December in Bilboa?

The average daily maximum UV index in December in Bilboa is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bilboa, Ireland

Average temperature in December - Bilboa, Ireland
  • Average high temperature in December: 7.2°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in December: 2.5°C

The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

[Resources]

Average pressure in December
Bilboa, Ireland

Average pressure in December - Bilboa, Ireland
  • Average pressure in December: 1011.5mbar

The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).

[Resources]

Average wind speed in December
Bilboa, Ireland

Average wind speed in December - Bilboa, Ireland
  • Average wind speed in December: 18.9km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

[Resources]

Average humidity in December
Bilboa, Ireland

Average humidity in December - Bilboa, Ireland
  • Average humidity in December: 92%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).

[Resources]

Average rainfall in December
Bilboa, Ireland

Average rainfall in December - Bilboa, Ireland
  • Average rainfall in December: 27mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (16mm).

[Resources]

Average rainfall days in December
Bilboa, Ireland

Average rainfall days in December - Bilboa, Ireland
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (11.3 days).

[Resources]

Average snowfall in December
Bilboa, Ireland

Average snowfall in December - Bilboa, Ireland
  • Average snowfall in December: 4mm

The month with the highest snowfall is November (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in December
Bilboa, Ireland

Average snowfall days in December - Bilboa, Ireland
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Bilboa, Ireland

Average daylight in December / Average sunshine in December - Bilboa, Ireland
  • Average daylight in December: 7h and 4min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is May (Average sunshine: 6h and 24min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 48min).

[Resources]

Average sunshine days in December
Bilboa, Ireland

Average sunshine days in December - Bilboa, Ireland
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is July (7.3 days).

[Resources]

Average UV index in December
Bilboa, Ireland

Average UV index in December - Bilboa, Ireland
  • Average UV index in December: 2

The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in December
Bilboa, Ireland

Average cloud cover in December - Bilboa, Ireland
  • Average cloud cover in December: 61

The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).

[Resources]

Average visibility in December
Bilboa, Ireland

Average visibility in December - Bilboa, Ireland
  • Average visibility in December: 9km

The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July, August and September (7km).

[Resources]

Bilboa, Ireland

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location