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Climate guideThirty-year normals for Port Louis
Port Louis climate by month
Tropical monsoon · AmBest Aug–Oct
Annual mean24°day and night
Seasonal swing5°warmest vs coolest
Precipitation1,447 mm130 wet days a year
20.16° S, 57.50° EElevation 3 mUTC+4 · Mauritius Standard Time
When to goPort Louis · weather score
Best timeAug–Oct
October: high / low25° / 21°
iSummary
What the weather is like
Port Louis has a tropical monsoon climate (Köppen Am): .
The warmest month is January, when afternoons average 28° and nights 25°. August is the coolest month, with highs of 23° and lows of 20°. The difference between the warmest and the coolest month is about 5°, a small seasonal swing typical of places tempered by the sea.
About 1,447 mm of precipitation falls in an average year. March is the wettest month (192 mm, 19 wet days) and October the driest (48 mm, 4 wet days). Cloud cover ranges from 18% in June to 36% in February.
The sea reaches about 28° in February. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Year in figures
- Hottest afternoons
- 28° · January
- Coldest nights
- 20° · August
- Wettest month
- March
- Driest month
- October
- Clearest skies
- June · 18% cloud
- Warmest sea
- 28° · February
- Longest day
- 13 h 20 min
- Shortest day
- 10 h 55 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 28° | 28° | 28° | 27° | 26° | 24° | 24° | 23° | 24° | 25° | 26° | 28° |
| Average low | 25° | 25° | 25° | 24° | 23° | 21° | 20° | 20° | 20° | 21° | 23° | 24° |
| Precipitation | 225 mm | 271 mm | 192 mm | 166 mm | 96 mm | 57 mm | 73 mm | 61 mm | 58 mm | 48 mm | 57 mm | 143 mm |
| Wet days (≥1 mm) | 15.3 | 14.8 | 19.3 | 18.7 | 12.3 | 9.5 | 6.5 | 5.5 | 5.3 | 3.7 | 7.2 | 12 |
| Cloud cover | 34% | 36% | 31% | 27% | 20% | 18% | 20% | 21% | 21% | 22% | 22% | 29% |
| Sea temperature | 28° | 28° | 28° | 28° | 27° | 25° | 24° | 24° | 24° | 24° | 25° | 27° |
| Daylight | 13h 13 | 12h 46 | 12h 14 | 11h 39 | 11h 10 | 10h 55 | 11h 01 | 11h 25 | 11h 58 | 12h 32 | 13h 04 | 13h 20 |
| Month score | 52 | 51 | 54 | 57 | 68 | 78 | 85 | 87 | 88 | 91 | 77 | 61 |
ivMonth by month
Port Louis in every month
January52
28° / 25°
225 mm · 15.3 wet days
February51
28° / 25°
271 mm · 14.8 wet days
March54
28° / 25°
192 mm · 19.3 wet days
April57
27° / 24°
166 mm · 18.7 wet days
May68
26° / 23°
96 mm · 12.3 wet days
June78
24° / 21°
57 mm · 9.5 wet days
July85
24° / 20°
73 mm · 6.5 wet days
August87
23° / 20°
61 mm · 5.5 wet days
September88
24° / 20°
58 mm · 5.3 wet days
October91
25° / 21°
48 mm · 3.7 wet days
November77
26° / 23°
57 mm · 7.2 wet days
December61
28° / 24°
143 mm · 12 wet days