Annual mean 16°C · wettest around March · prevailing wind NW
Warmest
25.9 °C
Coldest
13.9 °C
Wettest
59%
Windiest
5.8 m/s
Prevailing
NW
4.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Sines over the whole year is 16°C. August is the hottest month, with highs of about 26°C; January is the coldest, with lows of about 9°C. The rainy (wet) season in Sines runs from November to April, peaking in March with a 54% chance of rain on a given day. The dry season is May to October; July is the driest month, at 4%. Winds in Sines are highest in June, averaging 4.6 m/s (17 km/h), and lightest in October, at 3.6 m/s (13 km/h). The prevailing wind is from the NW. The clearest skies in Sines come in August, when the sky is typically 26% covered; April is the cloudiest month, at 52%.
Month by month Sines 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
14°C
9°C
11°C
44%
49%
3.9 m/s
15
0
73
February
15°C
10°C
12°C
45%
51%
4.1 m/s
29
0
77
March
16°C
11°C
13°C
54%
50%
4.5 m/s
31
0
75
April
18°C
13°C
15°C
43%
52%
4.1 m/s
53
1
79
May
22°C
15°C
19°C
21%
40%
4.3 m/s
74
12
72
June
23°C
17°C
21°C
15%
36%
4.6 m/s
78
16
66
July
25°C
18°C
23°C
4%
27%
4.6 m/s
76
29
52
August
26°C
18°C
24°C
4%
26%
4.3 m/s
74
34
46
September
25°C
18°C
23°C
13%
32%
3.9 m/s
80
32
51
October
22°C
15°C
20°C
27%
41%
3.6 m/s
81
15
66
November
17°C
13°C
14°C
51%
45%
3.9 m/s
48
0
79
December
15°C
11°C
12°C
48%
46%
4.0 m/s
29
0
77
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 Sines weather by season
Year round, Sines has days of about 14°C at their warmest in January, its coolest month, and 26°C in August, its warmest; the coolest hours of the day run from 9°C to 18°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.
Sines weather in winterDecember to February
High 15°CLow 10°CRain 45%
Winter in Sines has typical daily highs of about 15°C and lows of about 10°C, with a 45% chance of rain on a given day.
Sines weather in springMarch to May
High 19°CLow 13°CRain 39%
Spring in Sines has typical daily highs of about 19°C and lows of about 13°C, with a 39% chance of rain on a given day.
Sines weather in summerJune to August
High 25°CLow 18°CRain 8%
Summer in Sines has typical daily highs of about 25°C and lows of about 18°C, with a 8% chance of rain on a given day.
Sines weather in autumnSeptember to November
High 21°CLow 15°CRain 30%
Autumn in Sines has typical daily highs of about 21°C and lows of about 15°C, with a 30% chance of rain on a given day.
When is the rainy season in Sines?
The rainy (wet) season in Sines runs from November to April, peaking in March with a 54% chance of rain on a given day. The dry season is May to October; July is the driest month, at 4%.
What time of year is Sines windiest?
Winds in Sines are highest in June, averaging 4.6 m/s (17 km/h), and lightest in October, at 3.6 m/s (13 km/h). The prevailing wind is from the NW.
What is the average temperature in Sines year round?
The average temperature in Sines over the whole year is 16°C. August is the hottest month, with highs of about 26°C; January is the coldest, with lows of about 9°C.