Annual mean 20°C · wettest around February · prevailing wind NE
Warmest
27.0 °C
Coldest
21.1 °C
Wettest
100%
Windiest
2.8 m/s
Prevailing
NE
2.5 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 São Tiago over the whole year is 20°C. January is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 12°C. The rainy (wet) season in São Tiago runs from August to June, peaking in February with a 82% chance of rain on a given day. The dry season is July; July is the driest month, at 18%. Winds in São Tiago are highest in September, averaging 2.5 m/s (9 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the NE. The clearest skies in São Tiago come in July, when the sky is typically 48% covered; December is the cloudiest month, at 81%.
Month by month São Tiago 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
27°C
19°C
28°C
82%
71%
2.0 m/s
46
69
11
February
26°C
19°C
27°C
82%
75%
2.0 m/s
56
61
17
March
26°C
19°C
27°C
78%
61%
2.0 m/s
55
64
16
April
24°C
17°C
25°C
68%
54%
2.0 m/s
73
48
33
May
23°C
15°C
22°C
59%
51%
1.9 m/s
81
27
54
June
22°C
13°C
21°C
55%
51%
1.8 m/s
86
18
63
July
22°C
12°C
20°C
18%
48%
2.1 m/s
82
13
70
August
23°C
13°C
21°C
63%
49%
2.4 m/s
81
21
61
September
26°C
16°C
24°C
70%
49%
2.5 m/s
68
44
37
October
26°C
18°C
26°C
70%
74%
2.5 m/s
62
53
27
November
25°C
18°C
25°C
81%
80%
2.4 m/s
68
48
32
December
26°C
19°C
26°C
69%
81%
2.1 m/s
56
58
20
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 São Tiago weather by season
Year round, São Tiago has days of about 22°C at their warmest in July, its coolest month, and 27°C in January, its warmest; the coolest hours of the day run from 12°C to 19°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around February 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.
São Tiago weather in winterJune to August
High 22°CLow 13°CRain 45%
Winter in São Tiago has typical daily highs of about 22°C and lows of about 13°C, with a 45% chance of rain on a given day.
São Tiago weather in springSeptember to November
High 25°CLow 17°CRain 74%
Spring in São Tiago has typical daily highs of about 25°C and lows of about 17°C, with a 74% chance of rain on a given day.
São Tiago weather in summerDecember to February
High 26°CLow 19°CRain 77%
Summer in São Tiago has typical daily highs of about 26°C and lows of about 19°C, with a 77% chance of rain on a given day.
São Tiago weather in autumnMarch to May
High 24°CLow 17°CRain 68%
Autumn in São Tiago has typical daily highs of about 24°C and lows of about 17°C, with a 68% chance of rain on a given day.
When is the rainy season in São Tiago?
The rainy (wet) season in São Tiago runs from August to June, peaking in February with a 82% chance of rain on a given day. The dry season is July; July is the driest month, at 18%.
What time of year is São Tiago windiest?
Winds in São Tiago are highest in September, averaging 2.5 m/s (9 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the NE.
What is the average temperature in São Tiago year round?
The average temperature in São Tiago over the whole year is 20°C. January is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 12°C.