Climate averages 1991–2020
Viseu weather
in March.
A mild, wet month: the 8th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Viseu: daytime highs average 15.0°C and nights cool to about 5.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 115 mm of rain on roughly 11 days, which makes March a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 55 min on an average March day.
The nearest other city in this atlas is Aveiro (62 km away). In March its highs average 17.3°C, 2.3°C warmer than Viseu, with 95 mm of rain.
Among the 12 cities listed in Portugal, Viseu ranks 12th of 12 for the warmest March highs and 10th of 12 for the driest March (rainfall, lowest first). The mean March high of those 12 cities is 16.7°C; Viseu is 1.8°C cooler than that mean.
From March to April, average highs rise by 1.6°C to 16.6°C, and monthly rainfall rises from 115 mm to 118 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Viseu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.5°C3.1°C | 3.1°C | 152 | 11.6 | 9.610 h |
| February | 12.0°C3.4°C | 3.4°C | 102 | 9.3 | 10.611 h |
| March, selected | 15.0°C5.4°C | 5.4°C | 115 | 10.6 | 11.912 h |
| April | 16.6°C7.1°C | 7.1°C | 118 | 12.8 | 13.313 h |
| May | 20.0°C9.9°C | 9.9°C | 98 | 11.6 | 14.414 h |
| June | 24.2°C13.1°C | 13.1°C | 40 | 6.2 | 15.015 h |
| July | 27.6°C15.4°C | 15.4°C | 19 | 3.6 | 14.815 h |
| August | 27.9°C15.8°C | 15.8°C | 26 | 4.6 | 13.814 h |
| September | 24.3°C13.7°C | 13.7°C | 66 | 7.1 | 12.513 h |
| October | 18.9°C10.5°C | 10.5°C | 168 | 12.2 | 11.211 h |
| November | 13.6°C6.4°C | 6.4°C | 150 | 12.7 | 10.010 h |
| December | 11.1°C4.1°C | 4.1°C | 160 | 11.6 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Aveiro in MarchPortugal · 62 kmHigh 17.3°C · Low 8.6°C · 95 mm rain
- Coimbra in MarchPortugal · 67 kmHigh 17.6°C · Low 7.3°C · 85 mm rain
- Porto in MarchPortugal · 80 kmHigh 16.3°C · Low 8.1°C · 121 mm rain
- Braga in MarchPortugal · 108 kmHigh 15.7°C · Low 5.8°C · 147 mm rain
- Leiria in MarchPortugal · 127 kmHigh 17.6°C · Low 9.1°C · 70 mm rain
- Cáceres, Spain in MarchSpain · 186 kmHigh 16.7°C · Low 6.7°C · 55 mm rain
- Ourense in MarchSpain · 186 kmHigh 15.8°C · Low 5.6°C · 84 mm rain
- Vigo in MarchSpain · 187 kmHigh 15.2°C · Low 7.8°C · 158 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Viseu) is explained once on the Viseu year overview and on the Sources, method and limits page.