Annual mean 16°C · wettest around March · prevailing wind N
Warmest
30.0 °C
Coldest
10.0 °C
Wettest
60%
Windiest
4.1 m/s
Prevailing
N
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Castelo Branco over the whole year is 16°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 6°C. The rainy (wet) season in Castelo Branco runs from October to April, peaking in March with a 49% chance of rain on a given day. The dry season is May to September; July is the driest month, at 4%. Winds in Castelo Branco are highest in March, averaging 3.6 m/s (13 km/h), and lightest in September, at 2.8 m/s (10 km/h). The prevailing wind is from the N. The clearest skies in Castelo Branco come in July, when the sky is typically 29% covered; April is the cloudiest month, at 56%.
Month by month Castelo Branco climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
11°C
6°C
7°C
44%
51%
3.2 m/s
4
0
51
February
12°C
7°C
9°C
40%
52%
3.3 m/s
10
0
63
March
14°C
8°C
10°C
49%
51%
3.6 m/s
18
0
65
April
16°C
10°C
13°C
46%
56%
3.2 m/s
39
2
69
May
21°C
13°C
18°C
25%
45%
3.1 m/s
65
16
63
June
24°C
16°C
23°C
17%
42%
3.1 m/s
62
35
47
July
29°C
19°C
27°C
4%
29%
3.0 m/s
47
57
22
August
29°C
19°C
27°C
5%
31%
2.9 m/s
46
63
20
September
25°C
17°C
23°C
12%
36%
2.8 m/s
70
43
41
October
21°C
14°C
18°C
29%
48%
2.8 m/s
71
14
67
November
14°C
9°C
11°C
47%
52%
3.2 m/s
24
0
70
December
12°C
8°C
9°C
45%
49%
3.2 m/s
7
0
62
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Castelo Branco weather by season
Year round, Castelo Branco has days of about 11°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from 6°C to 19°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around March and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Castelo Branco weather in winterDecember to February
High 12°CLow 7°CRain 43%
Winter in Castelo Branco has typical daily highs of about 12°C and lows of about 7°C, with a 43% chance of rain on a given day.
Castelo Branco weather in springMarch to May
High 17°CLow 10°CRain 40%
Spring in Castelo Branco has typical daily highs of about 17°C and lows of about 10°C, with a 40% chance of rain on a given day.
Castelo Branco weather in summerJune to August
High 28°CLow 18°CRain 8%
Summer in Castelo Branco has typical daily highs of about 28°C and lows of about 18°C, with a 8% chance of rain on a given day.
Castelo Branco weather in autumnSeptember to November
High 20°CLow 13°CRain 29%
Autumn in Castelo Branco has typical daily highs of about 20°C and lows of about 13°C, with a 29% chance of rain on a given day.
When is the rainy season in Castelo Branco?
The rainy (wet) season in Castelo Branco runs from October to April, peaking in March with a 49% chance of rain on a given day. The dry season is May to September; July is the driest month, at 4%.
What time of year is Castelo Branco windiest?
Winds in Castelo Branco are highest in March, averaging 3.6 m/s (13 km/h), and lightest in September, at 2.8 m/s (10 km/h). The prevailing wind is from the N.
What is the average temperature in Castelo Branco year round?
The average temperature in Castelo Branco over the whole year is 16°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 6°C.