March weather forecast
Bilbao, Spain

A bridge across the river connecting the old town of Bilbao, Spain
A bridge across the river connecting the old town of Bilbao, Spain

March

Weather in March

With the arrival of March, residents and visitors in Bilbao can say goodbye to snowfall, as temperatures continue their upward trend. The transition from winter to spring is marked by a plummet in snowfall to just 1mm (0.04"). During this period, the city enjoys greater daylight hours, heralding the onset of spring. Rainfall continues, albeit less pronounced than in the initial months of the year. The green landscapes of Bilbao are bathed in a refreshingly balmy climate as March progresses.

Temperature

Bilbao's average high-temperature marks a mild 13°C (55.4°F) with the advent of March, closely mirroring that of the preceding month. Bilbao's evenings during March maintain an average temperature of 8°C (46.4°F), aligning closely with the daytime temperatures.

Humidity

The average relative humidity in March in Bilbao is 75%.

Rainfall

In Bilbao, Spain, in March, it is raining for 17.8 days, with typically 54mm (2.13") of accumulated precipitation. In Bilbao, during the entire year, the rain falls for 198.1 days and collects up to 634mm (24.96") of precipitation.

Snowfall

Months with snowfall are January through March and December. March is the last month it regularly snows. During 0.2 snowfall days, in March, Bilbao aggregates 1mm (0.04") of snow. In Bilbao, during the entire year, snow falls for 2.4 days and aggregates up to 20mm (0.79") of snow.

Sea temperature

The months with the coldest seawater in Bilbao are February and March, with an average sea temperature of 12°C (53.6°F).
Note: Diving into 12°C (53.6°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.

Daylight

In Bilbao, the average length of the day in March is 11h and 57min.
On the first day of March in Bilbao, sunrise is at 07:46 and sunset at 19:01. On the last day of the month, sunrise is at 06:54 and sunset at 19:37 CET.

Sunshine

In Bilbao, Spain, the average sunshine in March is 7.2h.

UV index

January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 3 in March translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What are the temperatures in Bilbao in March?
In Bilbao, 13°C (55.4°F) is the average high-temperature and 8°C (46.4°F) is the average low-temperature during March.
What is the average humidity in March in Bilbao?
In Bilbao, the average relative humidity in March is 75%.
How much does it rain in Bilbao in March?
In March, in Bilbao, the rain falls for 17.8 days. Throughout March, 54mm (2.13") of precipitation is accumulated.
What is the last month it snows in Bilbao?
March is the last month it regularly snows in Bilbao. During 0.2 snowfall days, in March, Bilbao aggregates 1mm (0.04") of snow.
What are the months with the coldest sea water in Bilbao?
The months with the coldest seawater in Bilbao, Spain, are February and March, with an average sea temperature of 12°C (53.6°F).
How cold is the water in March in Bilbao?
In Bilbao, the average seawater temperature in March is 12°C (53.6°F). Swimming in 12°C (53.6°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.
What is the average length of the day in March in Bilbao?
In Bilbao, Spain, the average day length in March is 11h and 57min.
What time are sunrise and sunset in March in Bilbao?
On the first day of March in Bilbao, sunrise is at 07:46 and sunset at 19:01. On the last day of the month, sunrise is at 06:54 and sunset at 19:37 CET.
How many hours of sunshine does Bilbao have in March?
In March, the average sunshine duration is 7.2h.
When is the lowest UV index in Bilbao?
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 3.
What is the UV index reading in March in Bilbao?
In Bilbao, Spain, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in March - Bilbao, Spain
Average temperature in March
Bilbao, Spain
  • Average high temperature in March: 13°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (10.8°C).

  • Average low temperature in March: 8°C

The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).

Average pressure in March - Bilbao, Spain
Average pressure in March
Bilbao, Spain
  • Average pressure in March: 1017.6mbar

The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in March - Bilbao, Spain
Average wind speed in March
Bilbao, Spain
  • Average wind speed in March: 15.1km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in March - Bilbao, Spain
Average humidity in March
Bilbao, Spain
  • Average humidity in March: 75%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in March - Bilbao, Spain
Average rainfall in March
Bilbao, Spain
  • Average rainfall in March: 54mm

The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is September (31mm).

Average rainfall days in March - Bilbao, Spain
Average rainfall days in March
Bilbao, Spain
  • Average rainfall days in March: 17.8 days

The month with the highest number of rainy days is January (18.6 days).
The month with the least rainy days is October (12.7 days).

Average snowfall in March - Bilbao, Spain
Average snowfall in March
Bilbao, Spain
  • Average snowfall in March: 1mm

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

Average snowfall days in March - Bilbao, Spain
Average snowfall days in March
Bilbao, Spain
  • Average snowfall days in March: 0.2 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in March - Bilbao, Spain
Average sea temperature in March
Bilbao, Spain
  • Average sea temperature in March: 12°C

The best month for swimming (with the highest average sea temperature) is August (21°C).
The coldest months (with the lowest average sea temperature) are February and March (12°C).

Average daylight in March / Average sunshine in March - Bilbao, Spain
Average daylight in March /
Average sunshine in March
Bilbao, Spain
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in March: 7h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).

Average sunshine days in March - Bilbao, Spain
Average sunshine days in March
Bilbao, Spain
  • Average sunshine days in March: 10.2 days

The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.8 days).

Average UV index in March - Bilbao, Spain
Average UV index in March
Bilbao, Spain
  • Average UV index in March: 3

The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in March - Bilbao, Spain
Average cloud cover in March
Bilbao, Spain
  • Average cloud cover in March: 43

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 34).

Average visibility in March - Bilbao, Spain
Average visibility in March
Bilbao, Spain
  • Average visibility in March: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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