Annual mean 24°C · wettest around September · prevailing wind SW
Warmest
31.7 °C
Coldest
27.4 °C
Wettest
98%
Windiest
4.3 m/s
Prevailing
SW
3.5 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
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 Retalhuleu over the whole year is 24°C. April is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 17°C. The rainy (wet) season in Retalhuleu runs from May to November, peaking in September with a 84% chance of rain on a given day. The dry season is December to April; December is the driest month, at 21%. Winds in Retalhuleu are highest in February, averaging 2.4 m/s (9 km/h), and lightest in June, at 1.7 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Retalhuleu come in February, when the sky is typically 39% covered; June is the cloudiest month, at 77%.
Month by month Retalhuleu 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
17°C
29°C
35%
42%
2.2 m/s
22
33
25
February
29°C
17°C
29°C
39%
39%
2.4 m/s
20
32
24
March
31°C
20°C
31°C
38%
45%
2.1 m/s
19
27
16
April
31°C
21°C
33°C
49%
52%
1.9 m/s
20
17
15
May
30°C
21°C
32°C
65%
69%
1.8 m/s
21
18
14
June
28°C
20°C
30°C
81%
77%
1.7 m/s
26
24
19
July
28°C
19°C
29°C
80%
70%
2.0 m/s
30
14
30
August
29°C
19°C
31°C
83%
72%
1.8 m/s
27
16
22
September
29°C
20°C
30°C
84%
73%
1.8 m/s
28
18
25
October
29°C
19°C
31°C
81%
69%
1.9 m/s
25
16
24
November
28°C
19°C
30°C
56%
55%
2.0 m/s
24
20
25
December
29°C
18°C
29°C
21%
44%
2.0 m/s
20
30
23
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 Retalhuleu weather by season
Year round, Retalhuleu has days of about 28°C at their warmest in July, its coolest month, and 31°C in April, its warmest; the coolest hours of the day run from 17°C to 21°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around September and least likely around December. 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.
Retalhuleu weather in winterDecember to February
High 29°CLow 17°CRain 32%
Winter in Retalhuleu has typical daily highs of about 29°C and lows of about 17°C, with a 32% chance of rain on a given day.
Retalhuleu weather in springMarch to May
High 31°CLow 20°CRain 51%
Spring in Retalhuleu has typical daily highs of about 31°C and lows of about 20°C, with a 51% chance of rain on a given day.
Retalhuleu weather in summerJune to August
High 28°CLow 20°CRain 81%
Summer in Retalhuleu has typical daily highs of about 28°C and lows of about 20°C, with a 81% chance of rain on a given day.
Retalhuleu weather in autumnSeptember to November
High 28°CLow 19°CRain 74%
Autumn in Retalhuleu has typical daily highs of about 28°C and lows of about 19°C, with a 74% chance of rain on a given day.
When is the rainy season in Retalhuleu?
The rainy (wet) season in Retalhuleu runs from May to November, peaking in September with a 84% chance of rain on a given day. The dry season is December to April; December is the driest month, at 21%.
What time of year is Retalhuleu windiest?
Winds in Retalhuleu are highest in February, averaging 2.4 m/s (9 km/h), and lightest in June, at 1.7 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Retalhuleu year round?
The average temperature in Retalhuleu over the whole year is 24°C. April is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 17°C.