Caldas da Rainha in Spring
In spring (March, April and May), Caldas da Rainha sees average daytime highs around 17°C and overnight lows near 13°C, with 151 mm of rain over about 25 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 15°C in early March to 20°C by late May. The sky is clear or mostly clear about 39% of the time across spring, and the air most often feels dry.
Spring is Caldas da Rainha's 3rd-best season to visit on our travel score. For the whole year in context, see Caldas da Rainha's year-round climate.
- Avg daytime high
- 17°C
- 3rd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 151 mm
- 25 wet days
- Avg wind
- 19 km/h
- Travel score
- 5.8
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Caldas da Rainha in Spring
Over the season highs climb from about 15°C in early March to 20°C by late May.
A typical spring day in Caldas da Rainha reaches about 17°C and drops to 13°C overnight. The warmest of the three months is May, the coolest March.
Caldas da Rainha 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° / 10° | 77 | 10.3 | 9.5 | 4.0 |
| Feb | 14° / 11° | 55 | 8.2 | 10.5 | 4.4 |
| Mar | 16° / 12° | 53 | 8.5 | 11.7 | 5.2 |
| Apr | 17° / 13° | 54 | 9.3 | 13 | 5.6 |
| May | 19° / 14° | 45 | 7.2 | 14.1 | 6.7 |
| Jun | 21° / 16° | 14 | 3.6 | 14.7 | 7.7 |
| Jul | 22° / 17° | 6 | 1.8 | 14.5 | 8.6 |
| Aug | 23° / 18° | 7 | 1.8 | 13.5 | 8.7 |
| Sep | 22° / 17° | 31 | 4.8 | 12.3 | 7.8 |
| Oct | 20° / 16° | 82 | 10 | 11 | 6.4 |
| Nov | 17° / 13° | 88 | 11.3 | 9.8 | 5.2 |
| Dec | 15° / 11° | 79 | 9.9 | 9.3 | 4.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 39% of the time across spring.
Chance of precipitation in Spring
Caldas da Rainha gets around 151 mm of rain over 25 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 19 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 30 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 5.7 kWh/m².
Is spring a good time to visit Caldas da Rainha?
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 Caldas da Rainha for sightseeing.
What to pack for Caldas da Rainha in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Caldas da Rainha sees daytime highs around 17°C and nights near 13°C. Pack sun protection. Worth having: a warm layer and rain gear. About 25 days see rain.
Sea temperature near Caldas da Rainha 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 21 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 | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Bracing |
| 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 Caldas da Rainha 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 Caldas da Rainha 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 Caldas da Rainha?
Caldas da Rainha sits at 39.4°N, 9.1°W, 60 m above sea level, in Portugal. The nearest listed city is Peniche, 22 km away.
Topography around Caldas da Rainha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Caldas da Rainha.
Within 3 km, the terrain around Caldas da Rainha has only modest variations in elevation — a maximum elevation change of 141 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, large variations in elevation — a maximum elevation change of 673 m.
The land around Caldas da Rainha is covered by grassland (39%), trees (33%) and artificial surfaces (23%) within 3 km, trees (43%) and grassland (30%) within 16 km, and water (32%), trees (31%) and grassland (26%) 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 Caldas da Rainha (39.4033°, -9.1384°, elevation 60 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.