Annual mean 16°C · wettest around December · prevailing wind NW
Warmest
25.5 °C
Coldest
12.8 °C
Wettest
50%
Windiest
5.4 m/s
Prevailing
NW
4.3 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 Leiria over the whole year is 16°C. August is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 9°C. The rainy (wet) season in Leiria runs from October to April, peaking in December with a 44% chance of rain on a given day. The dry season is May to September; August is the driest month, at 9%. Winds in Leiria are highest in March, averaging 3.6 m/s (13 km/h), and lightest in October, at 3.0 m/s (11 km/h). The prevailing wind is from the NW. The clearest skies in Leiria come in September, when the sky is typically 44% covered; January is the cloudiest month, at 54%.
Month by month Leiria 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
10°C
40%
54%
3.4 m/s
14
1
69
February
15°C
9°C
11°C
38%
52%
3.3 m/s
23
0
76
March
16°C
10°C
12°C
42%
54%
3.6 m/s
31
0
76
April
18°C
12°C
15°C
37%
54%
3.4 m/s
49
3
76
May
20°C
14°C
18°C
24%
50%
3.4 m/s
66
12
73
June
22°C
16°C
20°C
24%
51%
3.5 m/s
75
19
65
July
25°C
18°C
23°C
10%
48%
3.6 m/s
74
33
51
August
25°C
18°C
24°C
9%
47%
3.5 m/s
74
40
44
September
24°C
17°C
23°C
15%
44%
3.1 m/s
77
33
51
October
21°C
15°C
20°C
28%
51%
3.0 m/s
79
14
67
November
16°C
11°C
14°C
42%
54%
3.2 m/s
44
0
79
December
14°C
10°C
12°C
44%
53%
3.4 m/s
21
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 Leiria weather by season
Year round, Leiria has days of about 14°C at their warmest in January, its coolest month, and 25°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 December 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.
Leiria weather in winterDecember to February
High 14°CLow 9°CRain 41%
Winter in Leiria has typical daily highs of about 14°C and lows of about 9°C, with a 41% chance of rain on a given day.
Leiria weather in springMarch to May
High 18°CLow 12°CRain 34%
Spring in Leiria has typical daily highs of about 18°C and lows of about 12°C, with a 34% chance of rain on a given day.
Leiria weather in summerJune to August
High 24°CLow 17°CRain 14%
Summer in Leiria has typical daily highs of about 24°C and lows of about 17°C, with a 14% chance of rain on a given day.
Leiria weather in autumnSeptember to November
High 21°CLow 14°CRain 29%
Autumn in Leiria has typical daily highs of about 21°C and lows of about 14°C, with a 29% chance of rain on a given day.
When is the rainy season in Leiria?
The rainy (wet) season in Leiria runs from October to April, peaking in December with a 44% chance of rain on a given day. The dry season is May to September; August is the driest month, at 9%.
What time of year is Leiria windiest?
Winds in Leiria are highest in March, averaging 3.6 m/s (13 km/h), and lightest in October, at 3.0 m/s (11 km/h). The prevailing wind is from the NW.
What is the average temperature in Leiria year round?
The average temperature in Leiria over the whole year is 16°C. August is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 9°C.