Santarém weather in October

In October, Santarém sees average daytime highs of 22°C and overnight lows near 13°C, with 79 mm of rain across 9.2 wet days and about 11 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 20°C by the end. The sky is clear or mostly clear about 39% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Santarém's 6th-clearest and 11th-windiest month. For the whole year in context, see Santarém's year-round climate.

Daytime high
22°
6th warmest
Overnight low
13°
8th coldest
Rainfall
79 mm
9.2 wet days
Daylight
11 hours
6:51 AM – 5:48 PM
Cloud cover
52%
6th clearest
Wind
12 km/h
11th windiest
Solar energy
3.51 kWh/m²
Travel score
6.9
out of 10

Santarém is city seat of Santarém municipality.

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 25°C in the first days to 20°C by the end.

A typical October day in Santarém reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42415
52414
62414
72414
82414
92414
102314
112314
122314
132314
142314
152214
162213
172213
182213
192213
202213
212113
222113
232113
242113
252113
262113
272012
282012
292012
302012
312012

Santarém weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 688.99.64.3
Feb15° / 516.910.55.1
Mar18° / 598.111.76.3
Apr20° / 10°588.5136.6
May23° / 13°527.414.17.4
Jun27° / 15°122.714.78.1
Jul29° / 17°4114.57.3
Aug30° / 17°71.613.56.9
Sep27° / 16°334.512.37.6
Oct22° / 13°799.2116.9
Nov17° / 10°809.29.85.7
Dec15° / 778.89.34.5

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 17% of October, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26634
36634
46535
56436
66436
76337
86238
96139
106139
115941
125941
135842
145644
155644
165545
175446
185347
195347
205149
215050
225050
235050
244951
254852
264852
274753
284654
294555
304654
314654

Chance of precipitation in October

Any precipitation

Santarém gets around 79 mm of rain over 9.2 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 30% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
120
220
321
421
522
623
724
825
926
1027
1128
1229
1330
1431
1532
1633
1733
1834
1934
2035
2135
2235
2335
2435
2535
2635
2735
2835
2935
3035
3134

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14336182
24436182
34535172
44635172
54735162
64735162
74834152
84934152
94935142
105035142
115035142
125035142
135035142
145035142
155035142
165035141
175035141
185035141
195134141
205134141
215034151
225133151
235133151
245232151
255232151
265331151
275331151
285530141
295629141
305729131
315928121

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:36 AM to 7:08 AM, and sunset from 6:12 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:366:12
211.66:376:10
311.56:386:08
411.56:396:07
511.46:406:05
611.46:416:04
711.36:426:02
811.36:436:00
911.26:445:59
1011.26:455:57
1111.26:465:56
1211.16:475:54
1311.16:485:53
1411.06:495:51
1511.06:505:50
1611.06:515:48
1710.96:525:47
1810.96:535:46
1910.86:545:44
2010.86:555:43
2110.76:575:41
2210.76:585:40
2310.76:595:39
2410.67:005:37
2510.67:015:36
2610.57:025:35
2710.57:035:34
2810.57:045:32
2910.47:055:31
3010.47:075:30
3110.47:085:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.51 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 7.57 kWh/m² in July across the year — October's 3.51 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
263.0Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.8Moderate
312.8Moderate
Planning a trip in October

Is October a good time to visit Santarém?

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

6.9
Sightseeing
5th-best month of the year
5.0
Beach & pool
6th-best month of the year

October is a reasonable time to visit Santarém for sightseeing.

What to pack for Santarém in October

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

In October, Santarém sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Santarém 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 58 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
Apr15Cool
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec15Cool

UV index in Santarém 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 Santarém peaks around July 15 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 highHighModerateLowJul 15UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Santarém?

Santarém sits at 39.2°N, 8.7°W, 130 m above sea level, in Portugal. The nearest listed city is Azambuja, 24 km away.

Topography around Santarém

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santarém.

Within 3 km, the terrain around Santarém has only modest variations in elevation — a maximum elevation change of 115 m around an average of 33 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 167 m; within 80 km, large variations in elevation — a maximum elevation change of 674 m.

The land around Santarém is covered by grassland (29%), cropland (25%) and trees (22%) within 3 km, grassland (42%), cropland (28%) and trees (23%) within 16 km, and grassland (37%) and trees (36%) within 80 km.

3 km
115 m
16 km
167 m
80 km
674 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Azambuja 24 km · Monsanto 25 km · Torres Novas 30 km · Entroncamento 32 km · Vila Franca de Xira 41 km · Caldas da Rainha 43 km · Alcobaça 43 km · Tomar 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 Santarém (39.2338°, -8.6862°, elevation 130 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).