Annual mean 28°C · wettest around March · prevailing wind E
Warmest
35.4 °C
Coldest
29.2 °C
Wettest
99%
Windiest
4.2 m/s
Prevailing
E
2.8 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
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 Oeiras over the whole year is 28°C. October is the hottest month, with highs of about 35°C; June is the coldest, with lows of about 21°C. The rainy (wet) season in Oeiras runs from October to June, peaking in March with a 64% chance of rain on a given day. The dry season is July to September; August is the driest month, at 4%. Winds in Oeiras are highest in July, averaging 2.5 m/s (9 km/h), and lightest in February, at 1.1 m/s (4 km/h). The prevailing wind is from the E. The clearest skies in Oeiras come in August, when the sky is typically 24% covered; January is the cloudiest month, at 67%.
Month by month Oeiras 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
30°C
23°C
33°C
63%
67%
1.2 m/s
4
52
0
February
30°C
23°C
33°C
63%
63%
1.1 m/s
3
52
0
March
29°C
23°C
33°C
64%
67%
1.1 m/s
3
49
0
April
30°C
23°C
33°C
62%
57%
1.2 m/s
2
47
0
May
31°C
21°C
33°C
44%
48%
1.5 m/s
3
57
0
June
31°C
21°C
31°C
54%
38%
2.0 m/s
10
74
1
July
32°C
22°C
30°C
28%
31%
2.5 m/s
18
78
2
August
33°C
22°C
31°C
4%
24%
2.5 m/s
10
71
1
September
34°C
24°C
33°C
27%
28%
2.5 m/s
4
56
0
October
35°C
25°C
35°C
43%
39%
1.9 m/s
1
32
0
November
33°C
25°C
34°C
55%
54%
1.5 m/s
2
35
0
December
32°C
24°C
34°C
59%
60%
1.4 m/s
2
39
0
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 Oeiras weather by season
Year round, Oeiras has days of about 29°C at their warmest in March, its coolest month, and 35°C in October, its warmest; the coolest hours of the day run from 21°C to 25°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around March and least likely around August. 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.
Oeiras weather in winterJune to August
High 32°CLow 22°CRain 29%
Winter in Oeiras has typical daily highs of about 32°C and lows of about 22°C, with a 29% chance of rain on a given day.
Oeiras weather in springSeptember to November
High 34°CLow 24°CRain 42%
Spring in Oeiras has typical daily highs of about 34°C and lows of about 24°C, with a 42% chance of rain on a given day.
Oeiras weather in summerDecember to February
High 30°CLow 23°CRain 62%
Summer in Oeiras has typical daily highs of about 30°C and lows of about 23°C, with a 62% chance of rain on a given day.
Oeiras weather in autumnMarch to May
High 30°CLow 22°CRain 56%
Autumn in Oeiras has typical daily highs of about 30°C and lows of about 22°C, with a 56% chance of rain on a given day.
When is the rainy season in Oeiras?
The rainy (wet) season in Oeiras runs from October to June, peaking in March with a 64% chance of rain on a given day. The dry season is July to September; August is the driest month, at 4%.
What time of year is Oeiras windiest?
Winds in Oeiras are highest in July, averaging 2.5 m/s (9 km/h), and lightest in February, at 1.1 m/s (4 km/h). The prevailing wind is from the E.
What is the average temperature in Oeiras year round?
The average temperature in Oeiras over the whole year is 28°C. October is the hottest month, with highs of about 35°C; June is the coldest, with lows of about 21°C.