Annual mean 26°C · wettest around May · prevailing wind E
Warmest
32.7 °C
Coldest
26.9 °C
Wettest
49%
Windiest
4.0 m/s
Prevailing
E
3.2 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
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 Sinnamary over the whole year is 26°C. September is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 23°C. The rainy (wet) season in Sinnamary runs from April to June, peaking in May with a 43% chance of rain on a given day. The dry season is July to November; October is the driest month, at 7%. Winds in Sinnamary are highest in February, averaging 2.2 m/s (8 km/h), and lightest in June, at 1.3 m/s (5 km/h). The prevailing wind is from the E. The clearest skies in Sinnamary come in October, when the sky is typically 47% covered; February is the cloudiest month, at 74%.
Month by month Sinnamary 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
28°C
23°C
30°C
21%
72%
2.1 m/s
5
64
3
February
28°C
23°C
30°C
31%
74%
2.2 m/s
6
61
3
March
28°C
23°C
31°C
24%
70%
2.2 m/s
3
57
2
April
28°C
23°C
32°C
35%
74%
1.8 m/s
2
46
2
May
27°C
24°C
31°C
43%
73%
1.9 m/s
2
37
5
June
28°C
23°C
33°C
33%
72%
1.3 m/s
2
35
3
July
29°C
23°C
33°C
18%
65%
1.3 m/s
1
28
3
August
31°C
23°C
35°C
12%
54%
1.4 m/s
0
20
1
September
32°C
24°C
36°C
7%
48%
1.5 m/s
0
16
0
October
32°C
24°C
35°C
7%
47%
1.6 m/s
0
23
1
November
30°C
24°C
34°C
17%
58%
1.6 m/s
1
26
2
December
29°C
23°C
32°C
39%
71%
1.8 m/s
2
48
2
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 Sinnamary weather by season
Year round, Sinnamary has days of about 27°C at their warmest in May, its coolest month, and 32°C in September, its warmest; the coolest hours of the day run from 23°C to 24°C through the year, and the average temperature over the year is 26°C around the clock. Rain is most likely around May and least likely around October. 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.
Sinnamary weather in winterDecember to February
High 28°CLow 23°CRain 31%
Winter in Sinnamary has typical daily highs of about 28°C and lows of about 23°C, with a 31% chance of rain on a given day.
Sinnamary weather in springMarch to May
High 28°CLow 23°CRain 34%
Spring in Sinnamary has typical daily highs of about 28°C and lows of about 23°C, with a 34% chance of rain on a given day.
Sinnamary weather in summerJune to August
High 30°CLow 23°CRain 21%
Summer in Sinnamary has typical daily highs of about 30°C and lows of about 23°C, with a 21% chance of rain on a given day.
Sinnamary weather in autumnSeptember to November
High 31°CLow 24°CRain 10%
Autumn in Sinnamary has typical daily highs of about 31°C and lows of about 24°C, with a 10% chance of rain on a given day.
When is the rainy season in Sinnamary?
The rainy (wet) season in Sinnamary runs from April to June, peaking in May with a 43% chance of rain on a given day. The dry season is July to November; October is the driest month, at 7%.
What time of year is Sinnamary windiest?
Winds in Sinnamary are highest in February, averaging 2.2 m/s (8 km/h), and lightest in June, at 1.3 m/s (5 km/h). The prevailing wind is from the E.
What is the average temperature in Sinnamary year round?
The average temperature in Sinnamary over the whole year is 26°C. September is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 23°C.