Annual mean 20°C · wettest around August · prevailing wind SW
Warmest
31.5 °C
Coldest
12.8 °C
Wettest
39%
Windiest
3.6 m/s
Prevailing
SW
3.0 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 Port Royal over the whole year is 20°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 7°C. Port Royal has no sharply defined rainy season: the chance of rain on a given day runs from 31% in February, the driest month, to 43% in August, the wettest. Winds in Port Royal are highest in March, averaging 2.6 m/s (9 km/h), and lightest in July, at 1.8 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Port Royal come in April, when the sky is typically 31% covered; December is the cloudiest month, at 43%.
Month by month Port Royal 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
13°C
7°C
11°C
33%
37%
2.3 m/s
29
3
61
February
17°C
10°C
15°C
31%
41%
2.4 m/s
52
10
67
March
19°C
12°C
18°C
32%
37%
2.6 m/s
62
16
66
April
23°C
15°C
22°C
32%
31%
2.5 m/s
71
37
48
May
27°C
20°C
28°C
35%
35%
2.3 m/s
41
60
18
June
30°C
24°C
33°C
39%
38%
2.1 m/s
10
48
3
July
31°C
25°C
35°C
42%
33%
1.8 m/s
2
25
0
August
30°C
25°C
35°C
43%
40%
1.8 m/s
4
30
0
September
29°C
22°C
31°C
36%
38%
2.1 m/s
20
53
6
October
25°C
18°C
25°C
37%
32%
2.2 m/s
55
49
33
November
19°C
12°C
18°C
38%
38%
2.3 m/s
57
18
65
December
15°C
9°C
13°C
40%
43%
2.2 m/s
43
6
65
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 Port Royal weather by season
Year round, Port Royal has days of about 13°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 7°C to 25°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around August and least likely around February. 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.
Port Royal weather in winterDecember to February
High 15°CLow 9°CRain 35%
Winter in Port Royal has typical daily highs of about 15°C and lows of about 9°C, with a 35% chance of rain on a given day.
Port Royal weather in springMarch to May
High 23°CLow 16°CRain 33%
Spring in Port Royal has typical daily highs of about 23°C and lows of about 16°C, with a 33% chance of rain on a given day.
Port Royal weather in summerJune to August
High 30°CLow 24°CRain 41%
Summer in Port Royal has typical daily highs of about 30°C and lows of about 24°C, with a 41% chance of rain on a given day.
Port Royal weather in autumnSeptember to November
High 24°CLow 17°CRain 37%
Autumn in Port Royal has typical daily highs of about 24°C and lows of about 17°C, with a 37% chance of rain on a given day.
When is the rainy season in Port Royal?
Port Royal has no sharply defined rainy season: the chance of rain on a given day runs from 31% in February, the driest month, to 43% in August, the wettest.
What time of year is Port Royal windiest?
Winds in Port Royal are highest in March, averaging 2.6 m/s (9 km/h), and lightest in July, at 1.8 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Port Royal year round?
The average temperature in Port Royal over the whole year is 20°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 7°C.