Castelo Branco, Portugal Weather

Castelo Branco,  Weather
(Photo by Nick Karvounis on Unsplash)

Current conditions

Updated:
13°C
55.4°F
°C °F

Condition: Overcast

Pressure: 978 hPa

Feel like: 11 °C

Temperature: 13°C

Cloud: 100%

Humidity: 60%

Wind: WNW - 8 km/h

Visibility: 40.22 km

Weather forecast

Mon
18 May
8°C / 25°C
Overcast
Tue
19 May
12°C / 30°C
Overcast
Wed
20 May
15°C / 34°C
Partly Cloudy
Thu
21 May
12°C / 32°C
Overcast
Fri
22 May
12°C / 24°C
Overcast
Hourly forecast today:
22:00 PM
6° / 13°
6° / 13°
Overcast
60% 30 km/h
23:00 PM
5° / 12°
5° / 12°
Overcast
62% 23 km/h
00:00 AM
5° / 11°
5° / 11°
Partly Cloudy
64% 19 km/h
01:00 AM
5° / 11°
5° / 11°
Mainly Clear
67% 18 km/h
02:00 AM
5° /
5° /
Partly Cloudy
73% 14 km/h
03:00 AM
5° /
5° /
Clear Sky
75% 12 km/h
04:00 AM
4° /
4° /
Clear Sky
75% 15 km/h
05:00 AM
4° /
4° /
Mainly Clear
78% 15 km/h
06:00 AM
5° /
5° /
Clear Sky
80% 15 km/h
07:00 AM
7° / 11°
7° / 11°
Mainly Clear
76% 14 km/h
08:00 AM
7° / 13°
7° / 13°
Mainly Clear
64% 14 km/h

30 Day Averages and Extremes

  • Average high 23.17°C
  • Average low 10.97°C
  • Hottest day 34°C (20 May 2026)
  • Coldest day 0°C (31 May 2026)
  • Average humidity 60.17%
  • Days with precipitation 14 days
  • Highest precipitation 86 mm (08 May 2026)

Yesterday's Data

  • Max: 23°C
  • Min: 9°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Castelo Branco over the next 12 hours

Temperature and possibility of rain in Castelo Branco in the coming days

Rainfall in Castelo Branco in the coming days

Castelo Branco Climate Summary

Castelo Branco features a Mediterranean, hot summer (Köppen classification: Csa), with an average annual temperature of 16.88ºC (62.38ºF), which is about 0.07% higher than the national average for Portugal. Annually, the city experiences approximately 64.62 millimeters (2.54 inches) of rainfall, spread across 82.54 rainy days, accounting for 22.61% of the year.

Longitude 39.8031161
Latitude -7.4597725
Yearly high temperature 21.27ºC (70.29ºF)
Yearly low temperature 10.09ºC (50.16ºF)
Hottest month August 32.86ºC (91.15ºF)
Coldest month February 3.89ºC (39.0ºF)
Yearly precip 64.62mm (2.54in)
Days with rainfall 82.54 days (22.61%)
Driest month July (46.64%)
Wettest month October (63.17%)

Weather averages by month

Month High / Low (°C) Rain
January 11.95° / 3.79° 9.91 days
February 13.18° / 3.89° 8.0 days
March 15.68° / 5.43° 11.09 days
April 18.67° / 7.83° 11.09 days
May 23.45° / 11.33° 6.73 days
June 27.96° / 14.6° 2.82 days
July 32.47° / 17.26° 1.36 days
August 32.86° / 16.97° 1.36 days
September 28.92° / 15.49° 4.18 days
October 22.24° / 11.96° 8.0 days
November 15.21° / 7.6° 10.18 days
December 12.61° / 4.9° 7.82 days

Frequently asked questions

1. What is the hottest month in Castelo Branco?

August has the highest average monthly temperature (daily mean of 32.86ºC) and February are the coolest (daily mean of 3.89ºC).

2. What should I wear in Castelo Branco today?

For today's warm weather in Castelo Branco, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Shorts or lightweight trousers
- Sunglasses
- Light, breathable socks
- T-shirt or short-sleeve blouse

Temperature

Early
5°C / 10°C
Morning
6°C / 15°C
Afternoon
5°C / 23°C
Evening
6°C / 14°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 451
  • CO 118
  • NH3 0
  • NO2 1
  • O3 74
  • PM10 7
  • PM25 5
  • SO2 0
  • CH4 1,355

Sunrise / Sunset

05:12
19:40