Chaves weather in July

In July, Chaves sees average daytime highs of 27°C and overnight lows near 14°C, with 18 mm of rain across 3.4 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 68% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Chaves's 1st-clearest and 7th-windiest month. For the whole year in context, see Chaves's year-round climate.

Daytime high
27°
1st warmest
Overnight low
14°
11th coldest
Rainfall
18 mm
3.4 wet days
Daylight
14 h 48 min
5:13 AM – 7:58 PM
Cloud cover
28%
1st clearest
Wind
8 km/h
7th windiest
Solar energy
7.27 kWh/m²
Travel score
8.2
out of 10

Chaves is human settlement in Portugal.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical July day in Chaves reaches about 27°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 32°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12513
22513
32513
42513
52613
62613
72613
82613
92614
102614
112614
122614
132714
142714
152714
162714
172714
182714
192714
202714
212714
222714
232714
242714
252714
262714
272714
282714
292714
302714
312714

Chaves weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 879.619.31.9
Feb11° / 597.50.910.32.8
Mar14° / 749.20.111.74.2
Apr16° / 7310.9013.14.8
May19° / 6810.1014.36.1
Jun23° / 12°335.50157.8
Jul27° / 14°183.4014.78.2
Aug27° / 14°194013.78.0
Sep23° / 12°425.9012.37.7
Oct18° / 11010.2010.95.6
Nov12° / 9010.80.19.63.3
Dec10° / 979.30.492.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27525
37624
47624
57723
67723
77921
87921
98020
108020
118119
128218
138218
148317
158317
168317
178317
188416
198416
208416
218416
228515
238515
248515
258515
268515
278515
288515
298416
308515
318515

Chance of precipitation in July

Any precipitation

Chaves gets around 18 mm of rain over 3.4 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
216
316
416
515
615
714
813
913
1012
1112
1211
1311
1410
1510
1610
179
189
199
209
219
229
239
249
259
269
279
289
299
3010
3110

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172262
272262
372262
472262
572262
672262
770273
869283
969283
1068293
1167303
1266313
1365323
1464333
1563343
1662353
1761363
1860373
1959383
2059383
2158393
2258393
2358402
2458402
2558402
2658402
2758402
2858402
2959392
3059392
3160382

Wind in July

Winds average 8 km/h in July.

Across July, 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.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 5:03 AM to 5:27 AM, and sunset from 8:03 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.05:038:03
215.05:048:03
315.05:048:03
415.05:058:03
515.05:058:03
614.95:068:02
714.95:078:02
814.95:078:02
914.95:088:01
1014.95:098:01
1114.95:098:01
1214.85:108:00
1314.85:118:00
1414.85:117:59
1514.85:127:59
1614.85:137:58
1714.75:147:57
1814.75:157:57
1914.75:157:56
2014.75:167:55
2114.65:177:55
2214.65:187:54
2314.65:197:53
2414.55:207:52
2514.55:217:51
2614.55:227:50
2714.45:237:49
2814.45:247:48
2914.45:257:47
3014.35:267:46
3114.35:277:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.27 kWh/m² — the sunniest month for solar.

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 — July's 7.27 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.4Intense
177.4Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.1Intense
317.1Intense
Planning a trip in July

Is July a good time to visit Chaves?

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

8.2
Sightseeing
1st-best month of the year
8.0
Beach & pool
1st-best month of the year

July is one of the better times to visit Chaves for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chaves in July

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

In July, Chaves sees daytime highs around 27°C and nights near 14°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Chaves in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 12UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Chaves in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 2017 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr12Good
May8Good
Jun9Good
Jul18Moderate
Aug14Moderate
Sep18Moderate
Oct14Moderate
Nov7Good
Dec7Good
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
16 km
839 m
80 km
2,082 m
treesshrubsgrasslandcroplandartificial surfaceswater
July 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
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 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).