Annual mean 23°C · wettest around November · prevailing wind E
Warmest
28.3 °C
Coldest
25.5 °C
Wettest
83%
Windiest
7.6 m/s
Prevailing
E
5.3 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 Poás over the whole year is 23°C. April is the hottest month, with highs of about 28°C; February is the coldest, with lows of about 20°C. The rainy (wet) season in Poás runs from April to November, peaking in November with a 63% chance of rain on a given day. The dry season is December to January; January is the driest month, at 32%. Winds in Poás are highest in February, averaging 6.3 m/s (23 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the E. The clearest skies in Poás come in February, when the sky is typically 30% covered; June is the cloudiest month, at 77%.
Month by month Poás 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
24°C
32%
37%
5.6 m/s
71
33
40
February
27°C
20°C
23°C
49%
30%
6.3 m/s
68
33
40
March
28°C
20°C
25°C
48%
37%
5.6 m/s
63
44
30
April
28°C
21°C
27°C
59%
58%
4.4 m/s
56
54
17
May
27°C
21°C
28°C
62%
72%
3.1 m/s
52
58
10
June
27°C
21°C
27°C
59%
77%
2.9 m/s
61
54
14
July
26°C
21°C
26°C
57%
74%
3.6 m/s
64
47
19
August
27°C
21°C
27°C
53%
73%
3.1 m/s
63
52
17
September
27°C
20°C
27°C
58%
77%
2.6 m/s
61
58
12
October
26°C
20°C
27°C
61%
75%
2.5 m/s
67
53
17
November
26°C
20°C
26°C
63%
68%
3.1 m/s
69
48
23
December
26°C
20°C
24°C
40%
45%
4.8 m/s
73
35
38
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 Poás weather by season
Year round, Poás has days of about 26°C at their warmest in November, its coolest month, and 28°C in April, its warmest; the coolest hours of the day run from 20°C to 21°C through the year, and the average temperature over the year is 23°C around the clock. Rain is most likely around November and least likely around January. 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.
Poás weather in winterDecember to February
High 27°CLow 20°CRain 40%
Winter in Poás has typical daily highs of about 27°C and lows of about 20°C, with a 40% chance of rain on a given day.
Poás weather in springMarch to May
High 28°CLow 21°CRain 56%
Spring in Poás has typical daily highs of about 28°C and lows of about 21°C, with a 56% chance of rain on a given day.
Poás weather in summerJune to August
High 26°CLow 21°CRain 56%
Summer in Poás has typical daily highs of about 26°C and lows of about 21°C, with a 56% chance of rain on a given day.
Poás weather in autumnSeptember to November
High 26°CLow 20°CRain 61%
Autumn in Poás has typical daily highs of about 26°C and lows of about 20°C, with a 61% chance of rain on a given day.
When is the rainy season in Poás?
The rainy (wet) season in Poás runs from April to November, peaking in November with a 63% chance of rain on a given day. The dry season is December to January; January is the driest month, at 32%.
What time of year is Poás windiest?
Winds in Poás are highest in February, averaging 6.3 m/s (23 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the E.
What is the average temperature in Poás year round?
The average temperature in Poás over the whole year is 23°C. April is the hottest month, with highs of about 28°C; February is the coldest, with lows of about 20°C.