Annual mean 18°C · wettest around January · prevailing wind N
Warmest
25.6 °C
Coldest
18.0 °C
Wettest
75%
Windiest
3.2 m/s
Prevailing
N
2.6 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 Castro over the whole year is 18°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 10°C. Castro has no sharply defined rainy season: the chance of rain on a given day runs from 39% in July, the driest month, to 61% in January, the wettest. Winds in Castro are highest in November, averaging 2.1 m/s (8 km/h), and lightest in June, at 1.3 m/s (5 km/h). The prevailing wind is from the N. The clearest skies in Castro come in July, when the sky is typically 58% covered; January is the cloudiest month, at 82%.
Month by month Castro 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
26°C
19°C
27°C
61%
82%
1.6 m/s
53
62
18
February
25°C
19°C
26°C
59%
66%
1.6 m/s
64
56
25
March
25°C
18°C
26°C
57%
76%
1.5 m/s
64
59
24
April
23°C
16°C
23°C
40%
72%
1.5 m/s
82
38
45
May
21°C
13°C
20°C
58%
68%
1.4 m/s
79
20
63
June
19°C
12°C
18°C
56%
70%
1.3 m/s
74
6
76
July
19°C
10°C
17°C
39%
58%
1.3 m/s
66
4
77
August
19°C
11°C
18°C
46%
65%
1.6 m/s
64
11
71
September
23°C
14°C
21°C
47%
65%
1.8 m/s
68
32
52
October
23°C
16°C
22°C
60%
79%
1.9 m/s
69
33
50
November
24°C
16°C
23°C
55%
74%
2.1 m/s
73
41
42
December
25°C
18°C
25°C
56%
78%
1.7 m/s
64
52
29
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 Castro weather by season
Year round, Castro has days of about 19°C at their warmest in July, its coolest month, and 26°C in January, its warmest; the coolest hours of the day run from 10°C to 19°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around January 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.
Castro weather in winterJune to August
High 19°CLow 11°CRain 47%
Winter in Castro has typical daily highs of about 19°C and lows of about 11°C, with a 47% chance of rain on a given day.
Castro weather in springSeptember to November
High 23°CLow 15°CRain 54%
Spring in Castro has typical daily highs of about 23°C and lows of about 15°C, with a 54% chance of rain on a given day.
Castro weather in summerDecember to February
High 25°CLow 19°CRain 59%
Summer in Castro has typical daily highs of about 25°C and lows of about 19°C, with a 59% chance of rain on a given day.
Castro weather in autumnMarch to May
High 23°CLow 16°CRain 52%
Autumn in Castro has typical daily highs of about 23°C and lows of about 16°C, with a 52% chance of rain on a given day.
When is the rainy season in Castro?
Castro has no sharply defined rainy season: the chance of rain on a given day runs from 39% in July, the driest month, to 61% in January, the wettest.
What time of year is Castro windiest?
Winds in Castro are highest in November, averaging 2.1 m/s (8 km/h), and lightest in June, at 1.3 m/s (5 km/h). The prevailing wind is from the N.
What is the average temperature in Castro year round?
The average temperature in Castro over the whole year is 18°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 10°C.