Dumbéa in Winter
In winter (June, July and August), Dumbéa sees average daytime highs around 21°C and overnight lows near 18°C, with 208 mm of rain over about 26 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 21°C. The sky is clear or mostly clear about 32% of the time across winter, and the air most often feels comfortable.
Winter is Dumbéa's 2nd-best season to visit on our travel score. Dumbéa has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Dumbéa's year-round climate.
- Avg daytime high
- 21°C
- coldest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 208 mm
- 26 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.7
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Dumbéa in Winter
Across winter, daytime highs hold fairly steady around 21°C.
A typical winter day in Dumbéa reaches about 21°C and drops to 18°C overnight. The warmest of the three months is June, the coolest August.
Dumbéa weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 23° | 140 | 15 | 13.2 | 5.9 |
| Feb | 27° / 23° | 138 | 16.3 | 12.8 | 5.4 |
| Mar | 26° / 23° | 188 | 18.9 | 12.2 | 5.3 |
| Apr | 25° / 22° | 124 | 15.3 | 11.5 | 6.1 |
| May | 23° / 20° | 99 | 11.4 | 11 | 6.6 |
| Jun | 22° / 19° | 78 | 9.7 | 10.7 | 6.6 |
| Jul | 21° / 17° | 64 | 8.2 | 10.8 | 6.8 |
| Aug | 21° / 17° | 67 | 8 | 11.2 | 6.8 |
| Sep | 22° / 18° | 48 | 6.8 | 11.9 | 7.3 |
| Oct | 23° / 19° | 38 | 7.4 | 12.5 | 7.4 |
| Nov | 24° / 20° | 65 | 8.5 | 13.1 | 7.3 |
| Dec | 26° / 22° | 88 | 12 | 13.3 | 6.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 32% of the time across winter.
Chance of precipitation in Winter
Dumbéa gets around 208 mm of rain over 26 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 15 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 42 min in early June to 11 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.5 kWh/m².
Hazard calendar for Dumbéa
None of Dumbéa's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Dumbéa sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Dumbéa's rainy season runs December–May, when most of the year's rain falls.
Is winter a good time to visit Dumbéa?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Dumbéa for sightseeing.
What to pack for Dumbéa in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Dumbéa sees daytime highs around 21°C and nights near 18°C. Worth packing: rain gear. About 26 days see rain.
Sea temperature near Dumbéa in Winter
The nearest coast averages about 23°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 27°C and coldest in August near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 23 | 23 | 24 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 25 | Warm |
| Jun | 24 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Warm |
| Dec | 26 | Warm |
UV index in Dumbéa in Winter
Clear-sky midday UV across winter averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Dumbéa peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 14 | 10 | 7 | 6 | 6 | 7 | 10 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 7 | Very high |
| Sep | 10 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Dumbéa?
Dumbéa sits at 22.2°S, 166.5°E, 50 m above sea level, in New Caledonia. The nearest listed city is Noumea, 13 km away.
Topography around Dumbéa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dumbéa.
Within 3 km, the terrain around Dumbéa has significant variations in elevation — a maximum elevation change of 298 m around an average of 47 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,352 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,604 m.
The land around Dumbéa is covered by trees (66%) and grassland (24%) within 3 km, trees (56%) and water (22%) within 16 km, and water (70%) and trees (23%) within 80 km.
New Caledonia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 220 V · 50 Hz
- GDP per capita
- $29,213
- 2024
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 3.1
- per 100k, 2009
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Dumbéa (-22.1576°, 166.4572°, elevation 50 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.