Avarua in Spring
In spring (September, October and November), Avarua sees average daytime highs around 24°C and overnight lows near 23°C, with 268 mm of rain over about 28 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 23°C in early September to 25°C by late November. The sky is clear or mostly clear about 26% of the time across spring, and the air most often feels muggy.
Spring is Avarua's 2nd-best season to visit on our travel score. Avarua 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 Avarua's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 268 mm
- 28 wet days
- Avg wind
- 24 km/h
- Travel score
- 6.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Avarua in Spring
Over the season highs climb from about 23°C in early September to 25°C by late November.
A typical spring day in Avarua reaches about 24°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.
Avarua weather by month
How the three spring months (September, October and November) 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° / 25° | 213 | 18.1 | 13.1 | 5.3 |
| Feb | 27° / 25° | 178 | 17 | 12.7 | 5.1 |
| Mar | 27° / 25° | 186 | 18.6 | 12.1 | 5.3 |
| Apr | 26° / 25° | 153 | 15 | 11.5 | 5.8 |
| May | 25° / 24° | 125 | 12.7 | 11 | 6.3 |
| Jun | 24° / 23° | 64 | 8.2 | 10.7 | 7.1 |
| Jul | 23° / 22° | 98 | 9.2 | 10.8 | 7.1 |
| Aug | 23° / 22° | 72 | 8.3 | 11.3 | 7.1 |
| Sep | 23° / 22° | 73 | 8.4 | 11.9 | 7.1 |
| Oct | 24° / 23° | 87 | 8.8 | 12.5 | 7.0 |
| Nov | 25° / 24° | 108 | 10.7 | 13 | 6.6 |
| Dec | 26° / 25° | 189 | 14.5 | 13.3 | 5.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 26% of the time across spring.
Chance of precipitation in Spring
Avarua gets around 268 mm of rain over 28 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 24 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early September to 13 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Is spring a good time to visit Avarua?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Avarua for sightseeing.
What to pack for Avarua in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Avarua sees daytime highs around 24°C and nights near 23°C. Pack sun protection. Worth having: light clothes, rain gear and a windbreaker. About 28 days see rain.
Sea temperature near Avarua in Spring
The nearest coast averages about 25°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in March at about 28°C and coldest in August near 24°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) | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Warm |
| Apr | 27 | Warm |
| May | 26 | Warm |
| Jun | 25 | Warm |
| Jul | 25 | Warm |
| Aug | 24 | Warm |
| Sep | 24 | Warm |
| Oct | 25 | Warm |
| Nov | 26 | Warm |
| Dec | 27 | Warm |
UV index in Avarua in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Avarua peaks around February 13 at about 16 (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) | 15 | 17 | 13 | 9 | 7 | 6 | 6 | 8 | 10 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | Very high | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 17 | Extreme |
| Mar | 13 | Extreme |
| Apr | 9 | Very high |
| May | 7 | Very high |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is Avarua?
Avarua sits at 21.2°S, 159.8°W, 7 m above sea level, in Cook Islands. The nearest listed city is Bora Bora, 994 km away.
Topography around Avarua
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Avarua.
Within 3 km, the terrain around Avarua has significant variations in elevation — a maximum elevation change of 440 m around an average of 65 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 495 m; within 80 km, significant variations in elevation — a maximum elevation change of 478 m.
The land around Avarua is covered by trees (49%) and water (41%) within 3 km, water (92%) within 16 km, and water (98%) within 80 km.
Cook Islands travel facts
- Power plugs
- Type I
- 240 V · 50 Hz
- 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 Avarua (-21.2075°, -159.7755°, elevation 7 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.