Vanadjou, Comoros experiences average highs of 28°C (82°F) and lows of 24°C (75°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Vanadjou, Comoros Weather & Climate 2026
Monthly climate averages for Vanadjou, Comoros. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jun–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.6/10
Best: June, July, August, September
UV Index
8
High
Temperature 28°C / 24°C
Feels Like 33°C / 27°C
Rainy Days 15
Rainfall 100 mm
Sunshine 11 h
Humidity 81%
Wind Speed 14 km/h
Dew Point 23°C
Hottest Month
29°C
December
Avg Low25°C
Rain19days
Coldest Month
22°C
August
Avg High26°C
Rain6days
Driest Month
6days
August
Avg High26°C
Avg Low22°C
Windiest Month
16 km/h
June (Gusts 35)
Sea Temperature
26°C – 30°C
Warmest water: March (
30°C
)
Worst Time to Visit
Consider avoiding February, March, April, December due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:25
Daylight 11.4h
Sunset 17:52
Live conditions—
Vanadjou on the map · live conditions
Vanadjou, Comoros
- Continent
- Africa
- Country
- Comoros
- City
- Vanadjou
- Population
- 1.8K
- Coordinates
- -11.61°, 43.28°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 28°C
Avg Low 23°C
Rain 10 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 29°C
Avg Low 25°C
Rain 22 days/mo
Autumn
Mar–May
Avg High 29°C
Avg Low 25°C
Rain 19 days/mo
Winter
Jun–Aug
Avg High 26°C
Avg Low 22°C
Rain 8 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 29°C / 25°C . Feb: 29°C / 25°C . Mar: 29°C / 26°C . Apr: 29°C / 25°C . May: 28°C / 25°C . Jun: 26°C / 23°C . Jul: 26°C / 22°C . Aug: 26°C / 22°C . Sep: 27°C / 22°C . Oct: 28°C / 23°C . Nov: 29°C / 25°C . Dec: 29°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 348 mm. Feb: 201 mm. Mar: 171 mm. Apr: 131 mm. May: 46 mm. Jun: 28 mm. Jul: 23 mm. Aug: 18 mm. Sep: 26 mm. Oct: 32 mm. Nov: 48 mm. Dec: 126 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 85%. Mar: 85%. Apr: 84%. May: 81%. Jun: 80%. Jul: 79%. Aug: 80%. Sep: 79%. Oct: 78%. Nov: 79%. Dec: 81%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 14 km/h . Mar: 12 km/h . Apr: 13 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 16 km/h . Aug: 13 km/h . Sep: 12 km/h . Oct: 14 km/h . Nov: 14 km/h . Dec: 13 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 11h. Apr: 10h. May: 10h. Jun: 10h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 12h. Nov: 12h. Dec: 12h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 29°C . Feb: 30°C . Mar: 30°C . Apr: 30°C . May: 29°C . Jun: 28°C . Jul: 27°C . Aug: 26°C . Sep: 27°C . Oct: 28°C . Nov: 29°C . Dec: 30°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 9. Mar: UV 8. Apr: UV 8. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 8. Sep: UV 8. Oct: UV 9. Nov: UV 9. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 60 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Dec 2025 · 30°C | Dec · 29°C |
| Coldest month | Aug 2025 · 21°C | Aug · 22°C |
| Wettest month | Mar 2025 · 165 mm | Jan · 348 mm |
| Windiest month | Jan 2025 · 17 km/h | Jun · 16 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Fair December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 29°C / 25°C | 35°C / 29°C | 24days (348 mm) Wet | 10h Excellent | 85% Humid | 7.9 Very High | Wet | View Details |
| February | 29°C / 25°C | 36°C / 30°C | 23days (201 mm) Wet | 10.3h Excellent | 85% Humid | 8.5 Very High | Wet | View Details |
| March | 29°C / 26°C | 36°C / 30°C | 24days (171 mm) Wet | 10.6h Excellent | 85% Humid | 8.4 Very High | Wet | View Details |
| April | 29°C / 25°C | 36°C / 30°C | 21days (131 mm) Wet | 10.4h Excellent | 84% Humid | 7.7 Very High | Wet | View Details |
| May | 28°C / 25°C | 32°C / 28°C | 12days (46 mm) Wet | 10.4h Excellent | 81% Humid | 6.4 High | Good | View Details |
| June best | 26°C / 23°C | 30°C / 25°C | 10days (28 mm) Wet | 10.4h Excellent | 80% Humid | 6.5 High | Excellent | View Details |
| July best | 26°C / 22°C | 29°C / 24°C | 7days (23 mm) Good | 10.5h Excellent | 79% Humid | 6.6 High | Excellent | View Details |
| August best | 26°C / 22°C | 30°C / 24°C | 6days (18 mm) Good | 10.8h Excellent | 80% Humid | 7.5 Very High | Excellent | View Details |
| September best | 27°C / 22°C | 32°C / 25°C | 10days (26 mm) Wet | 11.3h Excellent | 79% Humid | 8 Very High | Excellent | View Details |
| October | 28°C / 23°C | 33°C / 26°C | 10days (32 mm) Wet | 11.6h Excellent | 78% Humid | 8.6 Very High | Fair | View Details |
| November | 29°C / 25°C | 35°C / 28°C | 11days (48 mm) Wet | 11.8h Excellent | 79% Humid | 8.7 Very High | Fair | View Details |
| December | 29°C / 25°C | 36°C / 30°C | 19days (126 mm) Wet | 11.6h Excellent | 81% Humid | 9 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Vanadjou are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Vanadjou, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Vanadjou is December, with average daytime highs of 29°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Vanadjou is August, with average overnight lows of 22°C (71°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Vanadjou is January, averaging 348mm of precipitation across 24 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Vanadjou runs through January, March, February, April, with the heaviest rainfall in January. Based on 10-year averages for Vanadjou.
Vanadjou receives approximately 130 sunshine hours per year. The sunniest month is November with around 12 hours. Based on climate data for Vanadjou.
The least favorable months to visit Vanadjou are February, March, April, December, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Vanadjou is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Vanadjou is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 28°C (82°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Vanadjou are 14 km/h (9 mph). The windiest month is June with peak winds reaching 16 km/h (10 mph) (gusts up to 35 km/h / 22 mph).
Vanadjou averages 4 clear-sky days per month with overall cloud cover around 48%. The clearest skies occur in August.
The annual average dew point in Vanadjou is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Vanadjou has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Vanadjou ranges from 27°C (81°F) to 33°C (91°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
Yes, June is a great time to visit Vanadjou. It earns a climate score of 8.6/10 with Excellent.
For June in Vanadjou, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 26°C (80°F) and 10 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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