Month guide · Castelo Branco, Centro

Castelo Branco (Centro) in May: weather and what to expect

May is the first month of the year with average highs above 20°C in Castelo Branco (Centro). May highs in Castelo Branco (Centro) are now 1.9°C warmer than in 1991-2000. In May, Castelo Branco (Centro) averages highs of 22°C and lows of 11°C, with about 8 rainy days and 58 mm of rain. Crowds in Centro are low.

Based on 1991-2020 climate data · Updated 1 November 2026 · Sources

Average high Town-level22°CLow 11°C
Rainy days Town-level858 mm in total
UV index Modelled8Very high at noon on a clear day
Crowds RegionalLowCentro as a whole

Is May a good time to visit?

Good for

No verdicts for Castelo Branco (Centro) in May yet. They only use climate values that are precise enough to judge with.

Not ideal for

Nothing stands out as a weaker fit.

Daily highs through May

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

Highs climb about 6°C over the month. A day above 30°C happens in roughly 1 May in 2; nights below 5°C in about 1 in 2.

May in detail

Town-level · ERA5-Land
MeasureAprilMayJune
Average high18°C22°C28°C
Average low8°C11°C14°C
Rainy days (at least 1 mm)983
Total rainfall61 mm58 mm13 mm
Daylight (mid-month)13 h 13 min14 h 21 min14 h 58 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in Centro in May 2025: about 30% of the busiest month.

Public holidays in May 2027

  • 1 May Labor Day
  • 27 May Corpus Christi

Local (municipal) holidays are not included.

Daylight mid-month Exact14 h 21 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Castelo Branco
Alferrarede, Oeste e Vale do Tejo24°C969 km
Pego, Oeste e Vale do Tejo24°C969 km
Vila Velha de Ródão, Centro24°C824 km
Atalaia, Alentejo23°C952 km
Sardoal, Oeste e Vale do Tejo23°C966 km

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

How May is changing

Town-level · ERA5-Land

May highs are 1.9°C warmer than in 1991-2000, and May rainfall is down about 55% (2016-2025 against 1991-2000). Days above 25°C in May went from 7.4 to 12 a year on average.

Questions about Castelo Branco (Centro) in May

How warm is Castelo Branco (Centro) in May?

Average highs are 22°C and lows 11°C. April averages 18°C and June 28°C.

Does it rain much in Castelo Branco (Centro) in May?

About 8 days have at least 1 mm of rain, with 58 mm in total over the month.

Is Castelo Branco (Centro) busy in May?

In May 2025, nights booked through online platforms in Centro 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 Castelo Branco (Centro) in May?

About 14 h 21 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