Alcobaça in Spring
In spring (March, April and May), Alcobaça sees average daytime highs around 18°C and overnight lows near 11°C, with 184 mm of rain over about 28 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 16°C in early March to 22°C by late May. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels dry.
Spring is Alcobaça's 3rd-best season to visit on our travel score. For the whole year in context, see Alcobaça's year-round climate.
- Avg daytime high
- 18°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 184 mm
- 28 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.1
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Alcobaça in Spring
Over the season highs climb from about 16°C in early March to 22°C by late May.
A typical spring day in Alcobaça reaches about 18°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.
Alcobaça weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 8° | 79 | 10.3 | 9.5 | 3.9 |
| Feb | 15° / 9° | 58 | 8.3 | 10.4 | 4.5 |
| Mar | 17° / 10° | 62 | 9.3 | 11.7 | 5.6 |
| Apr | 18° / 11° | 65 | 10.4 | 13 | 5.9 |
| May | 20° / 13° | 57 | 8 | 14.1 | 6.8 |
| Jun | 23° / 15° | 17 | 4.1 | 14.7 | 8.2 |
| Jul | 25° / 16° | 7 | 2.3 | 14.5 | 8.8 |
| Aug | 25° / 17° | 9 | 2 | 13.6 | 8.7 |
| Sep | 24° / 16° | 38 | 5.4 | 12.3 | 8.0 |
| Oct | 21° / 14° | 88 | 9.9 | 10.9 | 6.6 |
| Nov | 17° / 11° | 90 | 11.4 | 9.8 | 5.2 |
| Dec | 14° / 9° | 82 | 10.1 | 9.3 | 4.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
Alcobaça gets around 184 mm of rain over 28 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 15 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.6 kWh/m².
Is spring a good time to visit Alcobaça?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Alcobaça for sightseeing.
What to pack for Alcobaça in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Alcobaça sees daytime highs around 18°C and nights near 11°C. Pack sun protection. Worth having: a warm layer and rain gear. About 28 days see rain.
Sea temperature near Alcobaça in Spring
The nearest coast averages about 15°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 15 km away) is warmest in August at about 19°C and coldest in February near 14°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 14 | 15 | 16 | 18 | 18 | 19 | 19 | 18 | 17 | 15 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 16 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 19 | Cool |
| Oct | 18 | Cool |
| Nov | 17 | Cool |
| Dec | 15 | Cool |
UV index in Alcobaça in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Alcobaça peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 7 | 9 | 9 | 8 | 6 | 5 | 2 | 2 |
| Level | Low | Moderate | High | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is Alcobaça?
Alcobaça sits at 39.6°N, 9.0°W, 38 m above sea level, in Portugal. The nearest listed city is Caldas da Rainha, 22 km away.
Topography around Alcobaça
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alcobaça.
Within 3 km, the terrain around Alcobaça has only modest variations in elevation — a maximum elevation change of 177 m around an average of 87 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 611 m; within 80 km, large variations in elevation — a maximum elevation change of 865 m.
The land around Alcobaça is covered by trees (53%) and grassland (32%) within 3 km, trees (49%) and grassland (29%) within 16 km, and trees (38%), water (27%) and grassland (24%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Alcobaça (39.5522°, -8.9775°, elevation 38 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.