Average Rainfall for Portugal in May
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.
| 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
| 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
| 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
| 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.