Castelo Branco weather in June

In June, Castelo Branco sees average daytime highs of 29°C and overnight lows near 15°C, with 10 mm of rain across 2.5 wet days and about 14.8 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 30°C by the end. The sky is clear or mostly clear about 59% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of June to 14 h 48 min by month's end. Set against the rest of the year, June is Castelo Branco's 3rd-clearest and 8th-windiest month. For the whole year in context, see Castelo Branco's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
15°
9th coldest
Rainfall
10 mm
2.5 wet days
Daylight
14 h 48 min
5:06 AM – 7:54 PM
Cloud cover
34%
3rd clearest
Wind
10 km/h
8th windiest
Solar energy
7.42 kWh/m²
Travel score
7.0
out of 10

Castelo Branco is city seat of Castelo Branco municipality.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 30°C by the end.

A typical June day in Castelo Branco reaches about 29°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 35°C. Set against its neighbours, June runs about 5°C warmer than May and about 4°C cooler than July.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
12614
22614
32714
42714
52714
62715
72715
82715
92815
102815
112815
122815
132815
142915
152916
162916
172916
182916
193016
203016
213016
223016
233016
243016
253016
263016
273016
283116
293117
303117

How June really feels in Castelo Branco

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Castelo Branco weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 628.29.53.7
Feb15° / 496.410.44.8
Mar18° / 587.411.76.2
Apr20° / 538.1136.6
May24° / 12°51714.27.5
Jun29° / 15°102.514.87.0
Jul32° / 18°41.314.55.1
Aug32° / 18°61.413.65.2
Sep28° / 16°344.612.37.1
Oct22° / 12°838.910.96.9
Nov16° / 778.39.85.4
Dec13° / 758.39.23.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 15% of June, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26733
36733
46733
56832
66832
76832
86931
97030
107129
117129
127228
137228
147228
157327
167426
177624
187723
197822
207822
217921
228020
238119
248218
258218
268317
278317
288317
298416
308515

Chance of precipitation in June

Any precipitation

Castelo Branco gets around 10 mm of rain over 2.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 13% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
113
213
312
412
512
611
711
811
911
1011
1110
1210
1310
149
159
169
178
188
198
207
217
227
237
247
256
266
276
286
296
306

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
176222
276222
376222
476222
576222
676222
775232
875232
975232
1074242
1174242
1273252
1372253
1471263
1570273
1668284
1767294
1866304
1965314
2063325
2162335
2261345
2360355
2460355
2559365
2659365
2759365
2859365
2959365
3059365

Wind in June

Winds average 10 km/h in June.

Across June, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 36 min at the start of June to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:09 AM to 5:09 AM, and sunset from 7:46 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:097:46
214.65:097:46
314.65:087:47
414.75:087:48
514.75:087:48
614.75:077:49
714.75:077:50
814.75:077:50
914.75:077:51
1014.75:077:52
1114.85:067:52
1214.85:067:53
1314.85:067:53
1414.85:067:54
1514.85:067:54
1614.85:067:54
1714.85:067:55
1814.85:067:55
1914.85:067:55
2014.85:067:56
2114.85:077:56
2214.85:077:56
2314.85:077:56
2414.85:077:57
2514.85:077:57
2614.85:087:57
2714.85:087:57
2814.85:087:57
2914.85:097:57
3014.85:097:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.42 kWh/m².

For context, solar energy here swings from a low near 1.83 kWh/m² to a high of 7.74 kWh/m² in July across the year — June's 7.42 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.2Intense
97.2Intense
107.2Intense
117.3Intense
127.3Intense
137.3Intense
147.4Intense
157.4Intense
167.4Intense
177.5Intense
187.5Intense
197.5Intense
207.6Intense
217.6Intense
227.6Intense
237.6Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
Planning a trip in June

Is June a good time to visit Castelo Branco?

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

7.0
Sightseeing
3rd-best month of the year
8.3
Beach & pool
2nd-best month of the year

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

What to pack for Castelo Branco in June

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

In June, Castelo Branco sees daytime highs around 29°C and nights near 15°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Castelo Branco in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Castelo Branco peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 17UV 9Dec 18UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Castelo Branco in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Castelo Branco is worst in August — around 21 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateModerateGoodAug 1620 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr10Good
May8Good
Jun9Good
Jul12Good
Aug21Moderate
Sep10Good
Oct14Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Castelo Branco?

Castelo Branco sits at 39.8°N, 7.5°W, 371 m above sea level, in Portugal. The nearest listed city is Covilhã, 51 km away.

Topography around Castelo Branco

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

Within 3 km, the terrain around Castelo Branco has only modest variations in elevation — a maximum elevation change of 184 m around an average of 362 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,974 m.

The land around Castelo Branco is covered by grassland (48%), trees (27%) and artificial surfaces (21%) within 3 km, grassland (49%) and trees (39%) within 16 km, and grassland (50%) and trees (43%) within 80 km.

3 km
184 m
16 km
363 m
80 km
1,974 m
treesshrubsgrasslandcroplandartificial surfaceswater
June weather nearby: Covilhã 51 km · Portalegre 59 km · Guarda 82 km · Tomar 82 km · Sequeira 84 km · Santo António dos Olivais 89 km · Coimbra 90 km · São Paulo de Frades 90 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 Castelo Branco (39.8236°, -7.491°, elevation 371 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).