Chaves weather in October

In October, Chaves sees average daytime highs of 18°C and overnight lows near 9°C, with 110 mm of rain across 10.2 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 15°C by the end. The sky is clear or mostly clear about 31% 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 12 min by month's end. Set against the rest of the year, October is Chaves's 8th-clearest and 7th-windiest month. For the whole year in context, see Chaves's year-round climate.

Daytime high: 18°; 6th warmest
Overnight low: 9°; 8th coldest
Rainfall: 110 mm; 10.2 wet days
Daylight: 10 h 54 min; 6:49 AM – 5:41 PM
Cloud cover: 58%; 8th clearest
Wind: 8 km/h; 7th windiest
Solar energy: 3.01 kWh/m²
Travel score: 5.6; out of 10

Chaves is human settlement in Portugal.

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

← September Chaves year-round climate November →Best places to visit in October

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 15°C by the end.

A typical October day in Chaves reaches about 18°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, October runs about 6°C cooler than September and about 5°C warmer than November.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	20	20	20	20	20	20	19	19	19	19	19	18	18	18	18	17	17	17	17	17	17	16	16	16	16	16	16	16	15	15	15
Avg low (°C)	11	10	10	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	10
3	20	10
4	20	10
5	20	10
6	20	10
7	19	10
8	19	10
9	19	10
10	19	10
11	19	10
12	18	10
13	18	10
14	18	9
15	18	9
16	17	9
17	17	9
18	17	9
19	17	9
20	17	9
21	17	9
22	16	9
23	16	9
24	16	9
25	16	8
26	16	8
27	16	8
28	16	8
29	15	8
30	15	8
31	15	8

Chaves weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	9° / 3°	87	9.6	1	9.3	1.9
Feb	11° / 3°	59	7.5	0.9	10.3	2.8
Mar	14° / 5°	74	9.2	0.1	11.7	4.2
Apr	16° / 6°	73	10.9	0	13.1	4.8
May	19° / 9°	68	10.1	0	14.3	6.1
Jun	23° / 12°	33	5.5	0	15	7.8
Jul	27° / 14°	18	3.4	0	14.7	8.2
Aug	27° / 14°	19	4	0	13.7	8.0
Sep	23° / 12°	42	5.9	0	12.3	7.7
Oct	18° / 9°	110	10.2	0	10.9	5.6
Nov	12° / 5°	90	10.8	0.1	9.6	3.3
Dec	10° / 3°	97	9.3	0.4	9	2.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	58	57	56	55	55	54	53	52	51	50	49	47	46	45	45	43	42	41	41	40	39	38	38	38	38	38	36	36	36	36	36
Cloudier (%)	42	43	44	45	45	46	47	48	49	50	51	53	54	55	55	57	58	59	59	60	61	62	62	62	62	62	64	64	64	64	64

	Clearer (%)	Cloudier (%)
1	58	42
2	57	43
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	47	53
13	46	54
14	45	55
15	45	55
16	43	57
17	42	58
18	41	59
19	41	59
20	40	60
21	39	61
22	38	62
23	38	62
24	38	62
25	38	62
26	38	62
27	36	64
28	36	64
29	36	64
30	36	64
31	36	64

Chance of precipitation in October

Any precipitation

Chaves gets around 110 mm of rain over 10.2 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	24	24	25	25	26	27	28	28	29	30	32	33	34	35	36	37	37	38	38	38	38	38	39	39	39	39	39	38	38	38	38

	Rain chance (%)
1	24
2	24
3	25
4	25
5	26
6	27
7	28
8	28
9	29
10	30
11	32
12	33
13	34
14	35
15	36
16	37
17	37
18	38
19	38
20	38
21	38
22	38
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	89	89	89	89	89	89	89	90	90	90	90	91	91	91	92	92	92	92	92	92	93	93	93	93	93	94	94	94	95	95	96
Comfortable (%)	11	11	11	11	10	10	10	9	9	9	9	8	8	8	8	8	8	8	8	8	7	7	7	7	7	6	6	6	5	5	4
Humid (%)	0	0	0	0	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)	Humid (%)
1	89	11	0
2	89	11	0
3	89	11	0
4	89	11	0
5	89	10	1
6	89	10	1
7	89	10	1
8	90	9	1
9	90	9	1
10	90	9	1
11	90	9	1
12	91	8	1
13	91	8	1
14	91	8	1
15	92	8	0
16	92	8	0
17	92	8	0
18	92	8	0
19	92	8	0
20	92	8	0
21	93	7	0
22	93	7	0
23	93	7	0
24	93	7	0
25	93	7	0
26	94	6	0
27	94	6	0
28	94	6	0
29	95	5	0
30	95	5	0
31	96	4	0

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm
31	8	calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 6:32 AM to 7:07 AM, and sunset from 6:06 PM to 5:19 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.6	11.5	11.5	11.4	11.4	11.3	11.3	11.2	11.2	11.1	11.1	11.0	11.0	10.9	10.9	10.9	10.8	10.8	10.7	10.7	10.6	10.6	10.5	10.5	10.5	10.4	10.4	10.3	10.3	10.2	10.2
Sunrise (AM)	6:32	6:33	6:34	6:35	6:37	6:38	6:39	6:40	6:41	6:42	6:43	6:45	6:46	6:47	6:48	6:49	6:50	6:52	6:53	6:54	6:55	6:56	6:58	6:59	7:00	7:01	7:02	7:04	7:05	7:06	7:07
Sunset (PM)	6:06	6:04	6:02	6:00	5:59	5:57	5:55	5:54	5:52	5:50	5:49	5:47	5:45	5:44	5:42	5:41	5:39	5:37	5:36	5:34	5:33	5:32	5:30	5:29	5:27	5:26	5:25	5:23	5:22	5:21	5:19

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	6:32	6:06
2	11.5	6:33	6:04
3	11.5	6:34	6:02
4	11.4	6:35	6:00
5	11.4	6:37	5:59
6	11.3	6:38	5:57
7	11.3	6:39	5:55
8	11.2	6:40	5:54
9	11.2	6:41	5:52
10	11.1	6:42	5:50
11	11.1	6:43	5:49
12	11.0	6:45	5:47
13	11.0	6:46	5:45
14	10.9	6:47	5:44
15	10.9	6:48	5:42
16	10.9	6:49	5:41
17	10.8	6:50	5:39
18	10.8	6:52	5:37
19	10.7	6:53	5:36
20	10.7	6:54	5:34
21	10.6	6:55	5:33
22	10.6	6:56	5:32
23	10.5	6:58	5:30
24	10.5	6:59	5:29
25	10.5	7:00	5:27
26	10.4	7:01	5:26
27	10.4	7:02	5:25
28	10.3	7:04	5:23
29	10.3	7:05	5:22
30	10.2	7:06	5:21
31	10.2	7:07	5:19

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.01 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 7.27 kWh/m² in July across the year — October's 3.01 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.9	3.8	3.8	3.7	3.7	3.6	3.5	3.5	3.4	3.3	3.3	3.2	3.1	3.0	3.0	2.9	2.9	2.8	2.8	2.7	2.7	2.6	2.6	2.5	2.5	2.5	2.4	2.4	2.4	2.3	2.3
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.9	Moderate
2	3.8	Moderate
3	3.8	Moderate
4	3.7	Moderate
5	3.7	Moderate
6	3.6	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.4	Moderate
10	3.3	Moderate
11	3.3	Moderate
12	3.2	Moderate
13	3.1	Moderate
14	3.0	Moderate
15	3.0	Moderate
16	2.9	Moderate
17	2.9	Moderate
18	2.8	Moderate
19	2.8	Moderate
20	2.7	Moderate
21	2.7	Moderate
22	2.6	Moderate
23	2.6	Moderate
24	2.5	Moderate
25	2.5	Moderate
26	2.5	Moderate
27	2.4	Moderate
28	2.4	Moderate
29	2.4	Moderate
30	2.3	Moderate
31	2.3	Moderate

Planning a trip in October

Is October a good time to visit Chaves?

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

5.6

Sightseeing

6th-best month of the year

1.8

Beach & pool

6th-best month of the year

October is a reasonable time to visit Chaves for sightseeing.

What to pack for Chaves in October

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

In October, Chaves sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Chaves 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 Chaves peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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	5	7	7	9	9	9	6	5	2	2
Level	Low	Moderate	Moderate	High	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	5	Moderate
Apr	7	High
May	7	High
Jun	9	Very high
Jul	9	Very high
Aug	9	Very high
Sep	6	High
Oct	5	Moderate
Nov	2	Moderate
Dec	2	Low

Air quality in Chaves in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Chaves is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	10	11	14	12	8	9	18	14	18	14	7	7
Level	Good	Good	Moderate	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	11	Good
Mar	14	Moderate
Apr	12	Good
May	8	Good
Jun	9	Good
Jul	18	Moderate
Aug	14	Moderate
Sep	18	Moderate
Oct	14	Moderate
Nov	7	Good
Dec	7	Good

Location & terrain

Where is Chaves?

Chaves sits at 41.7°N, 7.5°W, 362 m above sea level, in Portugal. The nearest listed city is Cabeceiras de Basto, 50 km away.

Topography around Chaves

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

Within 3 km, the terrain around Chaves has only modest variations in elevation — a maximum elevation change of 145 m around an average of 378 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 839 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,082 m.

The land around Chaves is covered by grassland (34%), cropland (22%) and artificial surfaces (22%) within 3 km, grassland (53%) and trees (33%) within 16 km, and trees (45%) and grassland (45%) within 80 km.

3 km

145 m

grassland 34%

16 km

839 m

grassland 53%

80 km

2,082 m

trees 45%

treesshrubsgrasslandcroplandartificial surfaceswater

← September Chaves year-round climate November →Best places to visit in October

October weather nearby: Cabeceiras de Basto 50 km · Vila Real 54 km · Bragança 59 km · Fafe 67 km · Custoias 72 km · Felgueiras 73 km · Ourense 74 km · Guimarães 76 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 Chaves (41.7402°, -7.4688°, elevation 362 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	10
3	20	10
4	20	10
5	20	10
6	20	10
7	19	10
8	19	10
9	19	10
10	19	10
11	19	10
12	18	10
13	18	10
14	18	9
15	18	9
16	17	9
17	17	9
18	17	9
19	17	9
20	17	9
21	17	9
22	16	9
23	16	9
24	16	9
25	16	8
26	16	8
27	16	8
28	16	8
29	15	8
30	15	8
31	15	8

	Clearer (%)	Cloudier (%)
1	58	42
2	57	43
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	47	53
13	46	54
14	45	55
15	45	55
16	43	57
17	42	58
18	41	59
19	41	59
20	40	60
21	39	61
22	38	62
23	38	62
24	38	62
25	38	62
26	38	62
27	36	64
28	36	64
29	36	64
30	36	64
31	36	64

	Rain chance (%)
1	24
2	24
3	25
4	25
5	26
6	27
7	28
8	28
9	29
10	30
11	32
12	33
13	34
14	35
15	36
16	37
17	37
18	38
19	38
20	38
21	38
22	38
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

	Dry (%)	Comfortable (%)	Humid (%)
1	89	11	0
2	89	11	0
3	89	11	0
4	89	11	0
5	89	10	1
6	89	10	1
7	89	10	1
8	90	9	1
9	90	9	1
10	90	9	1
11	90	9	1
12	91	8	1
13	91	8	1
14	91	8	1
15	92	8	0
16	92	8	0
17	92	8	0
18	92	8	0
19	92	8	0
20	92	8	0
21	93	7	0
22	93	7	0
23	93	7	0
24	93	7	0
25	93	7	0
26	94	6	0
27	94	6	0
28	94	6	0
29	95	5	0
30	95	5	0
31	96	4	0

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	10
3	20	10
4	20	10
5	20	10
6	20	10
7	19	10
8	19	10
9	19	10
10	19	10
11	19	10
12	18	10
13	18	10
14	18	9
15	18	9
16	17	9
17	17	9
18	17	9
19	17	9
20	17	9
21	17	9
22	16	9
23	16	9
24	16	9
25	16	8
26	16	8
27	16	8
28	16	8
29	15	8
30	15	8
31	15	8

	Clearer (%)	Cloudier (%)
1	58	42
2	57	43
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	47	53
13	46	54
14	45	55
15	45	55
16	43	57
17	42	58
18	41	59
19	41	59
20	40	60
21	39	61
22	38	62
23	38	62
24	38	62
25	38	62
26	38	62
27	36	64
28	36	64
29	36	64
30	36	64
31	36	64

	Rain chance (%)
1	24
2	24
3	25
4	25
5	26
6	27
7	28
8	28
9	29
10	30
11	32
12	33
13	34
14	35
15	36
16	37
17	37
18	38
19	38
20	38
21	38
22	38
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

	Dry (%)	Comfortable (%)	Humid (%)
1	89	11	0
2	89	11	0
3	89	11	0
4	89	11	0
5	89	10	1
6	89	10	1
7	89	10	1
8	90	9	1
9	90	9	1
10	90	9	1
11	90	9	1
12	91	8	1
13	91	8	1
14	91	8	1
15	92	8	0
16	92	8	0
17	92	8	0
18	92	8	0
19	92	8	0
20	92	8	0
21	93	7	0
22	93	7	0
23	93	7	0
24	93	7	0
25	93	7	0
26	94	6	0
27	94	6	0
28	94	6	0
29	95	5	0
30	95	5	0
31	96	4	0

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	10
3	20	10
4	20	10
5	20	10
6	20	10
7	19	10
8	19	10
9	19	10
10	19	10
11	19	10
12	18	10
13	18	10
14	18	9
15	18	9
16	17	9
17	17	9
18	17	9
19	17	9
20	17	9
21	17	9
22	16	9
23	16	9
24	16	9
25	16	8
26	16	8
27	16	8
28	16	8
29	15	8
30	15	8
31	15	8

	Clearer (%)	Cloudier (%)
1	58	42
2	57	43
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	47	53
13	46	54
14	45	55
15	45	55
16	43	57
17	42	58
18	41	59
19	41	59
20	40	60
21	39	61
22	38	62
23	38	62
24	38	62
25	38	62
26	38	62
27	36	64
28	36	64
29	36	64
30	36	64
31	36	64

	Rain chance (%)
1	24
2	24
3	25
4	25
5	26
6	27
7	28
8	28
9	29
10	30
11	32
12	33
13	34
14	35
15	36
16	37
17	37
18	38
19	38
20	38
21	38
22	38
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

	Dry (%)	Comfortable (%)	Humid (%)
1	89	11	0
2	89	11	0
3	89	11	0
4	89	11	0
5	89	10	1
6	89	10	1
7	89	10	1
8	90	9	1
9	90	9	1
10	90	9	1
11	90	9	1
12	91	8	1
13	91	8	1
14	91	8	1
15	92	8	0
16	92	8	0
17	92	8	0
18	92	8	0
19	92	8	0
20	92	8	0
21	93	7	0
22	93	7	0
23	93	7	0
24	93	7	0
25	93	7	0
26	94	6	0
27	94	6	0
28	94	6	0
29	95	5	0
30	95	5	0
31	96	4	0