Month guide · Irun, Spain

Irun in March: weather and what to expect

The sea is still cool, around 12°C. In March, Irun averages highs of 14°C and lows of 8°C, with about 15 rainy days and 129 mm of rain. Highs are 2°C warmer than in February and 1°C cooler than in April. Crowds in Basque Country are low.

Based on 1991-2020 climate data · Updated 2 November 2026 · Sources

Average high Town-level14°CLow 8°C
Sea temperature Modelled12°COpen sea nearby, average for the month
Rainy days Town-level15129 mm in total
UV index Modelled4Moderate at noon on a clear day
Crowds RegionalLowBasque Country as a whole

Is March a good time to visit?

Good for

No verdicts for Irun in March yet. They only use climate values that are precise enough to judge with.

Not ideal for

  • Reliable dry weather
    About 15 rainy days in the month

Daily highs through March

Town-level · ERA5-Land 1991-2020
Usual range (8 in 10 years)Typical high

Highs climb about 2°C over the month.

March in detail

Town-level · ERA5-Land
MeasureFebruaryMarchApril
Average high12°C14°C16°C
Average low7°C8°C10°C
Rainy days (at least 1 mm)151517
Total rainfall138 mm129 mm138 mm
Daylight (mid-month)10 h 29 min11 h 51 min13 h 22 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in Basque Country in March 2025: about 30% of the busiest month.

Public holidays in March 2027

  • 19 Mar Saint Joseph's DayBasque Country
  • 25 Mar Maundy ThursdayBasque Country
  • 26 Mar Good Friday
  • 29 Mar Easter MondayBasque Country

Local (municipal) holidays are not included.

Daylight mid-month Exact11 h 51 minSunrise to sunset, calculated from the town's coordinates.

The nearest towns with a warmer March. Distances are in a straight line.

How March is changing

Town-level · ERA5-Land

March highs are 0.4°C warmer than in 1991-2000, and March rainfall is up about 35% (2016-2025 against 1991-2000). Days above 20°C in March went from 2.3 to 2.4 a year on average.

Questions about Irun in March

Is March a good time to visit Irun?

It is less suited to reliable dry weather (about 15 rainy days in the month).

How warm is Irun in March?

Average highs are 14°C and lows 8°C. February averages 12°C and April 16°C.

Does it rain much in Irun in March?

About 15 days have at least 1 mm of rain, with 129 mm in total over the month.

Is Irun busy in March?

In March 2025, nights booked through online platforms in Basque Country were about 30% of the busiest month, which we count as low. The figure is for the whole region and leaves out hotels.

How long are the days in Irun in March?

About 11 h 51 min from sunrise to sunset in the middle of the month.

Sources

Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology