Castelo Branco, Portugal Weather

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

Current conditions

Updated:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 977 hPa

Feel like: 23 °C

Temperature: 25°C

Cloud: 0%

Humidity: 32%

Wind: NNW - 3 km/h

Visibility: 47.8 km

Weather forecast

Sat
19 Sep
21°C / 33°C
Partly Cloudy
Sun
20 Sep
19°C / 34°C
Mainly Clear
Mon
21 Sep
19°C / 36°C
Clear Sky
Tue
22 Sep
16°C / 37°C
Clear Sky
Wed
23 Sep
17°C / 35°C
Overcast
Hourly forecast today:
20:00 PM
7° / 25°
7° / 25°
Clear Sky
32% 5 km/h
21:00 PM
7° / 22°
7° / 22°
Clear Sky
39% 17 km/h
22:00 PM
1° / 22°
1° / 22°
Clear Sky
25% 23 km/h
23:00 PM
1° / 22°
1° / 22°
Clear Sky
25% 25 km/h
00:00 AM
1° / 22°
1° / 22°
Clear Sky
26% 24 km/h
01:00 AM
2° / 21°
2° / 21°
Clear Sky
29% 21 km/h
02:00 AM
2° / 20°
2° / 20°
Clear Sky
30% 20 km/h
03:00 AM
2° / 20°
2° / 20°
Clear Sky
31% 20 km/h
04:00 AM
5° / 19°
5° / 19°
Clear Sky
39% 21 km/h
05:00 AM
6° / 19°
6° / 19°
Mainly Clear
42% 20 km/h
06:00 AM
5° / 19°
5° / 19°
Mainly Clear
42% 23 km/h

30 Day Averages and Extremes

  • Average high 31.8°C
  • Average low 17.8°C
  • Hottest day 37°C (06 September 2026)
  • Coldest day 0°C (02 October 2026)
  • Average humidity 34.53%
  • Days with precipitation 9 days
  • Highest precipitation 12 mm (01 October 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 17°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 32ºC (89.6ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Sleeveless tops or vests
- Lightweight, loose-fitting shorts
- Broad-brimmed sun hat

Temperature

Early
3°C / 19°C
Morning
5°C / 21°C
Afternoon
7°C / 30°C
Evening
7°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 144
  • NH3 0
  • NO2 3
  • O3 68
  • PM10 4
  • PM25 3
  • SO2 0
  • CH4 1,370

Sunrise / Sunset

06:14
18:31