Annual mean 21°C · wettest around January · prevailing wind N
Warmest
28.5 °C
Coldest
22.3 °C
Wettest
99%
Windiest
2.6 m/s
Prevailing
N
2.1 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 Alterosa over the whole year is 21°C. September is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 12°C. The rainy (wet) season in Alterosa runs from October to May, peaking in January with a 85% chance of rain on a given day. The dry season is June to September; July is the driest month, at 34%. Winds in Alterosa are highest in June, averaging 2.2 m/s (8 km/h), and lightest in May, at 1.1 m/s (4 km/h). The prevailing wind is from the N. The clearest skies in Alterosa come in July, when the sky is typically 31% covered; December is the cloudiest month, at 75%.
Month by month Alterosa 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
27°C
20°C
28°C
85%
71%
1.3 m/s
39
69
9
February
27°C
20°C
28°C
78%
72%
1.3 m/s
39
71
8
March
27°C
20°C
29°C
80%
56%
1.2 m/s
34
73
7
April
26°C
18°C
27°C
61%
43%
1.3 m/s
51
69
13
May
24°C
15°C
24°C
65%
48%
1.1 m/s
75
47
36
June
23°C
14°C
23°C
57%
49%
2.2 m/s
85
28
53
July
23°C
12°C
22°C
34%
31%
1.4 m/s
85
23
59
August
24°C
15°C
23°C
55%
44%
1.5 m/s
79
38
45
September
28°C
18°C
27°C
49%
43%
1.8 m/s
56
62
20
October
27°C
20°C
28°C
69%
69%
1.7 m/s
46
65
14
November
26°C
19°C
27°C
77%
64%
1.6 m/s
55
61
19
December
26°C
20°C
28°C
74%
75%
1.4 m/s
42
67
11
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 Alterosa weather by season
Year round, Alterosa has days of about 23°C at their warmest in June, its coolest month, and 28°C in September, its warmest; the coolest hours of the day run from 12°C to 20°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around January 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.
Alterosa weather in winterJune to August
High 24°CLow 14°CRain 49%
Winter in Alterosa has typical daily highs of about 24°C and lows of about 14°C, with a 49% chance of rain on a given day.
Alterosa weather in springSeptember to November
High 27°CLow 19°CRain 65%
Spring in Alterosa has typical daily highs of about 27°C and lows of about 19°C, with a 65% chance of rain on a given day.
Alterosa weather in summerDecember to February
High 26°CLow 20°CRain 79%
Summer in Alterosa has typical daily highs of about 26°C and lows of about 20°C, with a 79% chance of rain on a given day.
Alterosa weather in autumnMarch to May
High 26°CLow 17°CRain 69%
Autumn in Alterosa has typical daily highs of about 26°C and lows of about 17°C, with a 69% chance of rain on a given day.
When is the rainy season in Alterosa?
The rainy (wet) season in Alterosa runs from October to May, peaking in January with a 85% chance of rain on a given day. The dry season is June to September; July is the driest month, at 34%.
What time of year is Alterosa windiest?
Winds in Alterosa are highest in June, averaging 2.2 m/s (8 km/h), and lightest in May, at 1.1 m/s (4 km/h). The prevailing wind is from the N.
What is the average temperature in Alterosa year round?
The average temperature in Alterosa over the whole year is 21°C. September is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 12°C.