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Climate guideThirty-year normals for Moroni
Moroni climate by month
Tropical monsoon · AmBest Jun · Aug–Sep
Annual mean26°day and night
Seasonal swing3°warmest vs coolest
Precipitation1,780 mm191 wet days a year
11.70° S, 43.26° EElevation 27 mUTC+3 · East Africa Time
When to goMoroni · weather score
Best timeJun · Aug–Sep
October: high / low27° / 24°
iSummary
What the weather is like
Moroni has a tropical monsoon climate (Köppen Am): .
The warmest month is March, when afternoons average 28° and nights 26°. July is the coolest month, with highs of 25° and lows of 23°. The difference between the warmest and the coolest month is about 3°, a small seasonal swing typical of places tempered by the sea.
About 1,780 mm of precipitation falls in an average year. January is the wettest month (323 mm, 27 wet days) and August the driest (63 mm, 8 wet days). Cloud cover ranges from 11% in August to 52% in February.
The sea reaches about 29° in March. 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° · March
- Coldest nights
- 23° · August
- Wettest month
- January
- Driest month
- August
- Clearest skies
- August · 11% cloud
- Warmest sea
- 29° · March
- Longest day
- 12 h 48 min
- Shortest day
- 11 h 26 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° | 28° | 27° | 26° | 25° | 25° | 26° | 27° | 28° | 28° |
| Average low | 26° | 26° | 26° | 26° | 25° | 24° | 23° | 23° | 23° | 24° | 25° | 25° |
| Precipitation | 323 mm | 249 mm | 228 mm | 159 mm | 112 mm | 104 mm | 80 mm | 63 mm | 50 mm | 83 mm | 107 mm | 222 mm |
| Wet days (≥1 mm) | 26.7 | 23.7 | 25.7 | 25.3 | 15.8 | 9.8 | 13 | 7.7 | 8.3 | 8 | 11 | 16 |
| Cloud cover | 51% | 52% | 41% | 23% | 15% | 14% | 14% | 11% | 11% | 13% | 18% | 34% |
| Sea temperature | 29° | 29° | 29° | 29° | 28° | 27° | 26° | 26° | 26° | 27° | 28° | 29° |
| Daylight | 12h 44 | 12h 29 | 12h 11 | 11h 51 | 11h 35 | 11h 26 | 11h 30 | 11h 43 | 12h 02 | 12h 21 | 12h 39 | 12h 48 |
| Month score | 45 | 44 | 48 | 54 | 58 | 74 | 69 | 81 | 77 | 73 | 62 | 51 |
ivMonth by month
Moroni in every month
January45
28° / 26°
323 mm · 26.7 wet days
February44
28° / 26°
249 mm · 23.7 wet days
March48
28° / 26°
228 mm · 25.7 wet days
April54
28° / 26°
159 mm · 25.3 wet days
May58
27° / 25°
112 mm · 15.8 wet days
June74
26° / 24°
104 mm · 9.8 wet days
July69
25° / 23°
80 mm · 13 wet days
August81
25° / 23°
63 mm · 7.7 wet days
September77
26° / 23°
50 mm · 8.3 wet days
October73
27° / 24°
83 mm · 8 wet days
November62
28° / 25°
107 mm · 11 wet days
December51
28° / 25°
222 mm · 16 wet days