Average Rainfall for Portugal in May

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The tables below give monthly averages for rainfall during May at cities in Portugal. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.

The calculation of days only includes the days when precipitation totalled at least one millimetre (0.04 inches). The month's rainfall totals are average of weather data collected from 1971 to 2000.

You can jump to a separate table for each part of the country: Southern, Lisbon Region, Central and Northern Portugal.

Southern Portugal

Cities in this section are in the Algarve & Alentejo regions. Faro and Vila Real de Santo Antonio are on Portugal's south coast.

Average monthly precipitation in May
Days Place Inches Millimetres
  7 Beja 1.9   47
  6 Évora 2.0   50
  4 Faro 0.8   20
  8 Portalegre 2.7   68
  – Vila Real de Santo Antonio 1.1   29

Lisbon Region

May averages for total rainfall
Days Place Inches Millimetres
  – Alcobaça 2.6   65
  7 Lisbon (Lisboa) 2.2   56
  7 Santarém 2.2   56
  6 Setúbal 2.0   51

Central Portugal

Average amount of rain in May
Days Place Inches Millimetres
10 Aveiro 3.5   89
  7 Castelo Branco 2.6   65
10 Coimbra 3.1   80
  9 Guarda 3.3   85
10 Penhas Douradas 4.5 114
10 Viseu 3.8   96

Northern Portugal

Precipitation totals for May
Days Place Inches Millimetres
12 Braga 4.7 119
10 Bragança 2.8   70
10 Porto 3.8   98
11 Viana do Castelo 4.2 106
  8 Vila Real 2.6   67
Reference

Instituto de Meteorologia, IP Portugal. Normais Climatológicas 71-00.

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Average Weather

Portugal Precipitation

WEATHER AVERAGES

Weather Extremes