Castelo Branco, Portugal Weather

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

Current conditions

Updated:
31°C
87.8°F
°C °F

Condition: Partly Cloudy

Pressure: 980 hPa

Feel like: 29 °C

Temperature: 31°C

Cloud: 52%

Humidity: 23%

Wind: E - 11 km/h

Visibility: 51.34 km

Weather forecast

Sun
20 Sep
19°C / 33°C
Clear Sky
Mon
21 Sep
19°C / 36°C
Clear Sky
Tue
22 Sep
20°C / 35°C
Overcast
Wed
23 Sep
18°C / 36°C
Mainly Clear
Thu
24 Sep
12°C / 33°C
Clear Sky
Hourly forecast today:
17:00 PM
7° / 31°
7° / 31°
Partly Cloudy
23% 24 km/h
18:00 PM
8° / 30°
8° / 30°
Clear Sky
25% 24 km/h
19:00 PM
7° / 28°
7° / 28°
Clear Sky
28% 18 km/h
20:00 PM
7° / 26°
7° / 26°
Clear Sky
30% 11 km/h
21:00 PM
8° / 24°
8° / 24°
Clear Sky
35% 11 km/h
22:00 PM
8° / 23°
8° / 23°
Mainly Clear
38% 13 km/h
23:00 PM
8° / 22°
8° / 22°
Mainly Clear
39% 15 km/h
00:00 AM
7° / 22°
7° / 22°
Mainly Clear
38% 18 km/h
01:00 AM
7° / 22°
7° / 22°
Mainly Clear
38% 19 km/h
02:00 AM
7° / 22°
7° / 22°
Clear Sky
38% 20 km/h
03:00 AM
7° / 22°
7° / 22°
Mainly Clear
39% 19 km/h

30 Day Averages and Extremes

  • Average high 31.0°C
  • Average low 17.03°C
  • Hottest day 37°C (06 September 2026)
  • Coldest day 0°C (03 October 2026)
  • Average humidity 38.67%
  • Days with precipitation 8 days
  • Highest precipitation 16 mm (29 September 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 18°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 very hot weather in Castelo Branco, with the high temperatures above 33ºC (91.4ºF), consider wearing:
- Broad-brimmed sun hat
- Light, natural fabrics (like cotton or linen)
- Sleeveless tops or vests
- High SPF sunscreen for outdoor activities

Temperature

Early
4°C / 19°C
Morning
8°C / 23°C
Afternoon
8°C / 32°C
Evening
8°C / 24°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 128
  • NH3 0
  • NO2 0
  • O3 89
  • PM10 6
  • PM25 3
  • SO2 0
  • CH4 1,371

Sunrise / Sunset

06:15
18:30