Caldas da Rainha weather in October

In October, Caldas da Rainha sees average daytime highs of 20°C and overnight lows near 16°C, with 82 mm of rain across 10 wet days and about 11 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 39% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Caldas da Rainha's 7th-clearest and 11th-windiest month. For the whole year in context, see Caldas da Rainha's year-round climate.

Daytime high
20°
5th warmest
Overnight low
16°
8th coldest
Rainfall
82 mm
10 wet days
Daylight
10 h 54 min
6:53 AM – 5:50 PM
Cloud cover
51%
7th clearest
Wind
17 km/h
11th windiest
Solar energy
3.54 kWh/m²
Travel score
6.4
out of 10

Caldas da Rainha is human settlement in Portugal.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical October day in Caldas da Rainha reaches about 20°C in the afternoon and slips back to 16°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, October runs about 2°C cooler than September and about 3°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12117
22117
32117
42117
52117
62117
72117
82016
92016
102016
112016
122016
132016
142016
152016
162016
172016
182016
192016
202016
211916
221916
231916
241916
251915
261915
271915
281915
291915
301915
311815

Caldas da Rainha weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 10°7710.39.54.0
Feb14° / 11°558.210.54.4
Mar16° / 12°538.511.75.2
Apr17° / 13°549.3135.6
May19° / 14°457.214.16.7
Jun21° / 16°143.614.77.7
Jul22° / 17°61.814.58.6
Aug23° / 18°71.813.58.7
Sep22° / 17°314.812.37.8
Oct20° / 16°8210116.4
Nov17° / 13°8811.39.85.2
Dec15° / 11°799.99.34.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36436
46337
56337
66337
76139
86139
96139
106040
116040
125941
135941
145842
155743
165644
175644
185545
195446
205347
215248
225248
235149
245050
254951
264951
274852
284852
294753
304753
314753

Chance of precipitation in October

Any precipitation

Caldas da Rainha gets around 82 mm of rain over 10 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
121
222
323
423
524
625
726
827
928
1030
1131
1232
1333
1434
1535
1636
1736
1837
1937
2037
2137
2237
2338
2438
2538
2638
2738
2838
2938
3038
3138

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11541404
21641394
31741384
41841374
51942354
62042344
72142334
82242334
92243323
102343313
112443303
122444303
132444292
142444292
152544292
162545292
172545292
182545282
192644281
202644281
212744281
222843281
232943281
243042281
253141271
263240271
273439261
283637261
293836251
304036241
314235221

Wind in October

Winds average 17 km/h in October.

Across October, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:38 AM to 7:10 AM, and sunset from 6:13 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:386:13
211.56:396:12
311.56:406:10
411.56:416:08
511.46:426:07
611.46:436:05
711.36:446:04
811.36:456:02
911.26:466:00
1011.26:475:59
1111.26:485:57
1211.16:495:56
1311.16:505:54
1411.06:515:53
1511.06:525:51
1610.96:535:50
1710.96:545:49
1810.96:555:47
1910.86:565:46
2010.86:585:44
2110.76:595:43
2210.77:005:42
2310.77:015:40
2410.67:025:39
2510.67:035:38
2610.57:045:36
2710.57:055:35
2810.57:065:34
2910.47:075:33
3010.47:095:32
3110.37:105:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.54 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 7.39 kWh/m² in July across the year — October's 3.54 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.1Bright
74.0Bright
84.0Moderate
93.9Moderate
103.9Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.8Moderate
Planning a trip in October

Is October a good time to visit Caldas da Rainha?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.4
Sightseeing
6th-best month of the year
3.2
Beach & pool
5th-best month of the year

October is a reasonable time to visit Caldas da Rainha for sightseeing.

What to pack for Caldas da Rainha in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Caldas da Rainha sees daytime highs around 20°C and nights near 16°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Caldas da Rainha in October

The nearest coast averages about 18°C in October — 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.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec15Cool

UV index in Caldas da Rainha in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateLowJul 14UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low
Location & terrain

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.

3 km
141 m
16 km
329 m
80 km
673 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Peniche 22 km · Alcobaça 22 km · Torres Vedras 36 km · Monsanto 37 km · Marinha Grande 42 km · Santarém 43 km · Azambuja 44 km · Leiria 47 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
Catholic 68%not applicable 13%no religion 12%no response 2%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).