Annual mean 18°C · wettest around April · prevailing wind E
Warmest
29.2 °C
Coldest
13.9 °C
Wettest
43%
Windiest
5.3 m/s
Prevailing
E
4.6 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 Arroyo Seco over the whole year is 18°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 7°C. The rainy (wet) season in Arroyo Seco runs from October to May, peaking in April with a 40% chance of rain on a given day. The dry season is June to September; June is the driest month, at 17%. Winds in Arroyo Seco are highest in September, averaging 3.9 m/s (14 km/h), and lightest in June, at 2.9 m/s (10 km/h). The prevailing wind is from the E. The clearest skies in Arroyo Seco come in February, when the sky is typically 40% covered; July is the cloudiest month, at 56%.
Month by month Arroyo Seco 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
29°C
20°C
29°C
34%
41%
3.3 m/s
36
58
11
February
28°C
19°C
28°C
34%
40%
3.1 m/s
39
53
17
March
26°C
18°C
25°C
37%
44%
3.0 m/s
53
41
31
April
22°C
14°C
20°C
40%
49%
3.0 m/s
72
19
61
May
18°C
10°C
15°C
29%
54%
3.0 m/s
51
4
77
June
15°C
7°C
12°C
17%
53%
2.9 m/s
29
2
73
July
15°C
7°C
11°C
19%
56%
3.2 m/s
24
0
69
August
17°C
8°C
13°C
18%
44%
3.6 m/s
34
4
73
September
20°C
10°C
16°C
24%
47%
3.9 m/s
59
8
73
October
22°C
13°C
19°C
30%
49%
3.9 m/s
65
16
63
November
26°C
17°C
23°C
31%
44%
3.8 m/s
63
39
39
December
28°C
19°C
26°C
31%
42%
3.5 m/s
53
48
26
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 Arroyo Seco weather by season
Year round, Arroyo Seco has days of about 15°C at their warmest in July, its coolest month, and 29°C in January, its warmest; the coolest hours of the day run from 7°C to 20°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around April and least likely around June. 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.
Arroyo Seco weather in winterJune to August
High 16°CLow 7°CRain 18%
Winter in Arroyo Seco has typical daily highs of about 16°C and lows of about 7°C, with a 18% chance of rain on a given day.
Arroyo Seco weather in springSeptember to November
High 23°CLow 13°CRain 29%
Spring in Arroyo Seco has typical daily highs of about 23°C and lows of about 13°C, with a 29% chance of rain on a given day.
Arroyo Seco weather in summerDecember to February
High 28°CLow 20°CRain 33%
Summer in Arroyo Seco has typical daily highs of about 28°C and lows of about 20°C, with a 33% chance of rain on a given day.
Arroyo Seco weather in autumnMarch to May
High 22°CLow 14°CRain 35%
Autumn in Arroyo Seco has typical daily highs of about 22°C and lows of about 14°C, with a 35% chance of rain on a given day.
When is the rainy season in Arroyo Seco?
The rainy (wet) season in Arroyo Seco runs from October to May, peaking in April with a 40% chance of rain on a given day. The dry season is June to September; June is the driest month, at 17%.
What time of year is Arroyo Seco windiest?
Winds in Arroyo Seco are highest in September, averaging 3.9 m/s (14 km/h), and lightest in June, at 2.9 m/s (10 km/h). The prevailing wind is from the E.
What is the average temperature in Arroyo Seco year round?
The average temperature in Arroyo Seco over the whole year is 18°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 7°C.