Annual mean 20°C · wettest around December · prevailing wind S
Warmest
24.8 °C
Coldest
21.0 °C
Wettest
95%
Windiest
6.6 m/s
Prevailing
S
5.7 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
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 Casma over the whole year is 20°C. February is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 14°C. The rainy (wet) season in Casma runs from September to May, peaking in December with a 61% chance of rain on a given day. The dry season is June to August; July is the driest month, at 20%. Winds in Casma are highest in October, averaging 4.9 m/s (18 km/h), and lightest in July, at 4.0 m/s (14 km/h). The prevailing wind is from the S. The clearest skies in Casma come in May, when the sky is typically 54% covered; March is the cloudiest month, at 61%.
Month by month Casma 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
23°C
18°C
21°C
45%
56%
4.5 m/s
79
16
59
February
25°C
19°C
23°C
61%
61%
4.4 m/s
72
32
45
March
24°C
19°C
23°C
53%
61%
4.4 m/s
73
28
47
April
23°C
18°C
21°C
51%
54%
4.6 m/s
78
15
61
May
22°C
16°C
20°C
41%
54%
4.4 m/s
83
9
69
June
22°C
15°C
20°C
38%
58%
4.1 m/s
84
6
74
July
22°C
14°C
19°C
20%
58%
4.0 m/s
82
8
74
August
21°C
14°C
19°C
21%
56%
4.4 m/s
78
6
76
September
21°C
15°C
19°C
44%
57%
4.6 m/s
75
9
72
October
22°C
16°C
19°C
41%
60%
4.9 m/s
73
7
71
November
22°C
16°C
20°C
54%
59%
4.7 m/s
80
6
72
December
23°C
17°C
20°C
61%
59%
4.6 m/s
80
6
70
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 Casma weather by season
Year round, Casma has days of about 21°C at their warmest in September, its coolest month, and 25°C in February, its warmest; the coolest hours of the day run from 14°C to 19°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around December 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.
Casma weather in winterJune to August
High 22°CLow 14°CRain 26%
Winter in Casma has typical daily highs of about 22°C and lows of about 14°C, with a 26% chance of rain on a given day.
Casma weather in springSeptember to November
High 22°CLow 15°CRain 46%
Spring in Casma has typical daily highs of about 22°C and lows of about 15°C, with a 46% chance of rain on a given day.
Casma weather in summerDecember to February
High 23°CLow 18°CRain 55%
Summer in Casma has typical daily highs of about 23°C and lows of about 18°C, with a 55% chance of rain on a given day.
Casma weather in autumnMarch to May
High 23°CLow 17°CRain 48%
Autumn in Casma has typical daily highs of about 23°C and lows of about 17°C, with a 48% chance of rain on a given day.
When is the rainy season in Casma?
The rainy (wet) season in Casma runs from September to May, peaking in December with a 61% chance of rain on a given day. The dry season is June to August; July is the driest month, at 20%.
What time of year is Casma windiest?
Winds in Casma are highest in October, averaging 4.9 m/s (18 km/h), and lightest in July, at 4.0 m/s (14 km/h). The prevailing wind is from the S.
What is the average temperature in Casma year round?
The average temperature in Casma over the whole year is 20°C. February is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 14°C.