Koné, New Caledonia experiences average highs of 27°C (81°F) and lows of 21°C (70°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have cooled by 1.0°C (1.8°F) across the available records.
Koné, New Caledonia Weather & Climate 2026
Monthly climate averages for Koné, New Caledonia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.7/10
Best: May, June, July, August, September
UV Index
7
High
Temperature 27°C / 21°C
Feels Like 30°C / 24°C
Rainy Days 9
Rainfall 90 mm
Sunshine 10 h
Humidity 78%
Wind Speed 15 km/h
Dew Point 20°C
Hottest Month
30°C
January
Avg Low24°C
Rain14days
Coldest Month
18°C
August
Avg High24°C
Rain6days
Driest Month
4days
September
Avg High26°C
Avg Low19°C
Windiest Month
16 km/h
September (Gusts 38)
Sea Temperature
23°C – 30°C
Warmest water: January (
29.7°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:36
Daylight 10.9h
Sunset 17:28
Live conditions—
Koné on the map · live conditions
Koné, New Caledonia
- Continent
- Oceania
- Country
- New Caledonia
- City
- Koné
- Population
- 4.6K
- Coordinates
- -21.06°, 164.87°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 27°C
Avg Low 20°C
Rain 7 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 29°C
Avg Low 24°C
Rain 15 days/mo
Autumn
Mar–May
Avg High 28°C
Avg Low 22°C
Rain 11 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 24°C
Avg Low 18°C
Rain 5 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: 30°C / 24°C . Feb: 29°C / 24°C . Mar: 29°C / 24°C . Apr: 28°C / 22°C . May: 26°C / 21°C . Jun: 25°C / 19°C . Jul: 24°C / 18°C . Aug: 24°C / 18°C . Sep: 26°C / 19°C . Oct: 27°C / 20°C . Nov: 29°C / 22°C . Dec: 29°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 151 mm. Feb: 193 mm. Mar: 139 mm. Apr: 124 mm. May: 38 mm. Jun: 35 mm. Jul: 44 mm. Aug: 54 mm. Sep: 26 mm. Oct: 60 mm. Nov: 73 mm. Dec: 143 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 83%. Mar: 83%. Apr: 82%. May: 80%. Jun: 78%. Jul: 76%. Aug: 75%. Sep: 72%. Oct: 74%. Nov: 75%. Dec: 78%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 16 km/h . Mar: 14 km/h . Apr: 15 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 16 km/h . Oct: 16 km/h . Nov: 16 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 10h. Mar: 10h. Apr: 9h. May: 9h. Jun: 9h. Jul: 9h. Aug: 9h. Sep: 11h. Oct: 11h. Nov: 11h. Dec: 11h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 30°C . Feb: 29°C . Mar: 29°C . Apr: 28°C . May: 25°C . Jun: 24°C . Jul: 23°C . Aug: 23°C . Sep: 24°C . Oct: 25°C . Nov: 27°C . Dec: 29°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 8. Mar: UV 7. Apr: UV 7. May: UV 6. Jun: UV 5. Jul: UV 5. Aug: UV 6. Sep: UV 7. Oct: UV 8. Nov: UV 9. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have cooled by 1.0°C (1.8°F) across the available records. Average rainfall is trending wetter by about 43 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Dec 2025 · 29°C | Jan · 30°C |
| Coldest month | Jul 2025 · 19°C | Aug · 18°C |
| Wettest month | Feb 2025 · 402 mm | Feb · 193 mm |
| Windiest month | Aug 2025 · 17 km/h | Sep · 16 km/h |
Month-by-Month Weather Table
January
Fair 
February
Wet March
Fair April
Good May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 30°C / 24°C | 35°C / 27°C | 14days (151 mm) Wet | 11h Excellent | 78% Humid | 8.6 Very High | Fair | View Details |
| February | 29°C / 24°C | 35°C / 28°C | 17days (193 mm) Wet | 10.3h Excellent | 83% Humid | 7.6 Very High | Wet | View Details |
| March | 29°C / 24°C | 34°C / 28°C | 16days (139 mm) Wet | 9.9h Good | 83% Humid | 7.3 Very High | Fair | View Details |
| April | 28°C / 22°C | 32°C / 26°C | 11days (124 mm) Wet | 9.4h Good | 82% Humid | 6.7 High | Good | View Details |
| May best | 26°C / 21°C | 28°C / 23°C | 5days (38 mm) Good | 9.1h Good | 80% Humid | 5.6 High | Excellent | View Details |
| June best | 25°C / 19°C | 26°C / 20°C | 5days (35 mm) Good | 9h Good | 78% Humid | 5.1 High | Excellent | View Details |
| July best | 24°C / 18°C | 25°C / 19°C | 5days (44 mm) Good | 9.1h Good | 76% Humid | 5.2 High | Excellent | View Details |
| August best | 24°C / 18°C | 25°C / 19°C | 6days (54 mm) Good | 9.3h Good | 75% Muggy | 6 High | Excellent | View Details |
| September best | 26°C / 19°C | 27°C / 20°C | 4days (26 mm) Good | 10.5h Excellent | 72% Muggy | 7.3 Very High | Excellent | View Details |
| October | 27°C / 20°C | 30°C / 22°C | 6days (60 mm) Good | 11h Excellent | 74% Muggy | 8.2 Very High | Excellent | View Details |
| November | 29°C / 22°C | 32°C / 24°C | 10days (73 mm) Wet | 11.3h Excellent | 75% Muggy | 8.6 Very High | Good | View Details |
| December | 29°C / 23°C | 34°C / 27°C | 14days (143 mm) Wet | 10.8h Excellent | 78% Humid | 8.8 Very High | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Koné are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Koné, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Koné is January, with average daytime highs of 30°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Koné is August, with average overnight lows of 18°C (64°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Koné is February, averaging 193mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Koné runs through February, March, January, December, with the heaviest rainfall in February. Based on 10-year averages for Koné.
Koné receives approximately 121 sunshine hours per year. The sunniest month is November with around 11 hours. Based on climate data for Koné.
The least favorable months to visit Koné are January, February, March, December, primarily due to heavy rainfall, oppressive humidity. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Koné is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Koné is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 26°C (79°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Koné are 15 km/h (9 mph). The windiest month is September with peak winds reaching 16 km/h (10 mph) (gusts up to 38 km/h / 23 mph).
Koné averages 3 clear-sky days per month with overall cloud cover around 53%. The clearest skies occur in October.
The annual average dew point in Koné is 20°C (68°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Koné 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 Koné ranges from 24°C (75°F) to 30°C (86°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 Koné. It earns a climate score of 9.5/10 with Excellent.
For June in Koné, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 25°C (76°F) and 5 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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