Annual mean 11°C · wettest around September · prevailing wind W
Warmest
22.7 °C
Coldest
4.5 °C
Wettest
85%
Windiest
5.3 m/s
Prevailing
W
4.0 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 Jaca over the whole year is 11°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 1°C. The rainy (wet) season in Jaca runs from September to December, peaking in September with a 71% chance of rain on a given day. The dry season is April to August; July is the driest month, at 16%. Winds in Jaca are highest in January, averaging 3.8 m/s (14 km/h), and lightest in September, at 3.0 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Jaca come in July, when the sky is typically 29% covered; December is the cloudiest month, at 61%.
Month by month Jaca 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
7°C
1°C
5°C
40%
48%
3.8 m/s
16
0
40
February
8°C
3°C
8°C
36%
39%
3.3 m/s
19
0
56
March
7°C
3°C
7°C
60%
55%
3.2 m/s
17
0
48
April
10°C
5°C
12°C
33%
52%
3.4 m/s
48
0
72
May
13°C
9°C
15°C
22%
50%
3.7 m/s
58
4
69
June
19°C
13°C
20°C
43%
45%
3.2 m/s
66
20
62
July
22°C
16°C
24°C
16%
29%
3.1 m/s
63
50
33
August
22°C
16°C
22°C
29%
30%
3.2 m/s
57
39
44
September
16°C
11°C
18°C
71%
43%
3.0 m/s
50
26
49
October
14°C
8°C
18°C
46%
48%
3.3 m/s
66
15
61
November
8°C
4°C
7°C
47%
51%
3.6 m/s
30
0
48
December
7°C
2°C
7°C
53%
61%
3.6 m/s
25
0
48
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 Jaca weather by season
Year round, Jaca has days of about 7°C at their warmest in January, its coolest month, and 22°C in July, its warmest; the coolest hours of the day run from 1°C to 16°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around September 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.
Jaca weather in winterDecember to February
High 7°CLow 2°CRain 43%
Winter in Jaca has typical daily highs of about 7°C and lows of about 2°C, with a 43% chance of rain on a given day.
Jaca weather in springMarch to May
High 10°CLow 5°CRain 38%
Spring in Jaca has typical daily highs of about 10°C and lows of about 5°C, with a 38% chance of rain on a given day.
Jaca weather in summerJune to August
High 21°CLow 15°CRain 29%
Summer in Jaca has typical daily highs of about 21°C and lows of about 15°C, with a 29% chance of rain on a given day.
Jaca weather in autumnSeptember to November
High 13°CLow 8°CRain 55%
Autumn in Jaca has typical daily highs of about 13°C and lows of about 8°C, with a 55% chance of rain on a given day.
When is the rainy season in Jaca?
The rainy (wet) season in Jaca runs from September to December, peaking in September with a 71% chance of rain on a given day. The dry season is April to August; July is the driest month, at 16%.
What time of year is Jaca windiest?
Winds in Jaca are highest in January, averaging 3.8 m/s (14 km/h), and lightest in September, at 3.0 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Jaca year round?
The average temperature in Jaca over the whole year is 11°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 1°C.