Avarua weather in October
In October, Avarua sees average daytime highs of 24°C and overnight lows near 23°C, with 87 mm of rain across 8.8 wet days and about 12.5 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 26% of the time in October, and the air most often feels muggy.
Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Avarua's 6th-clearest and 2nd-windiest month. For the whole year in context, see Avarua's year-round climate.
- Daytime high
- 24°
- 9th warmest
- Overnight low
- 23°
- 4th coldest
- Rainfall
- 87 mm
- 8.8 wet days
- Daylight
- 12 h 30 min
- 6:09 AM – 6:39 PM
- Cloud cover
- 63%
- 6th clearest
- Wind
- 25 km/h
- 2nd windiest
- Solar energy
- 5.91 kWh/m²
- Travel score
- 7.0
- out of 10
Avarua is capital city of the Cook Islands.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Day-to-day highs hold fairly steady near 24°C through the month.
A typical October day in Avarua reaches about 24°C in the afternoon and slips back to 23°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, October runs on par with September and about 1°C cooler than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 22 |
| 2 | 23 | 22 |
| 3 | 23 | 22 |
| 4 | 24 | 22 |
| 5 | 24 | 22 |
| 6 | 24 | 22 |
| 7 | 24 | 22 |
| 8 | 24 | 22 |
| 9 | 24 | 23 |
| 10 | 24 | 23 |
| 11 | 24 | 23 |
| 12 | 24 | 23 |
| 13 | 24 | 23 |
| 14 | 24 | 23 |
| 15 | 24 | 23 |
| 16 | 24 | 23 |
| 17 | 24 | 23 |
| 18 | 24 | 23 |
| 19 | 24 | 23 |
| 20 | 24 | 23 |
| 21 | 24 | 23 |
| 22 | 24 | 23 |
| 23 | 24 | 23 |
| 24 | 24 | 23 |
| 25 | 24 | 23 |
| 26 | 24 | 23 |
| 27 | 24 | 23 |
| 28 | 24 | 23 |
| 29 | 24 | 23 |
| 30 | 24 | 23 |
| 31 | 24 | 23 |
Avarua weather by month
How October compares with the rest of the year at a glance. October is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.
| 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 October
The sky is clear or mostly clear about 26% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 56%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 44 | 44 | 44 | 43 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 44 | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 44 | 44 | 42 | 42 |
| Cloudier (%) | 56 | 56 | 56 | 57 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 56 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 56 | 56 | 58 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 44 | 56 |
| 3 | 44 | 56 |
| 4 | 43 | 57 |
| 5 | 44 | 56 |
| 6 | 44 | 56 |
| 7 | 44 | 56 |
| 8 | 44 | 56 |
| 9 | 43 | 57 |
| 10 | 43 | 57 |
| 11 | 43 | 57 |
| 12 | 44 | 56 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 44 | 56 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 44 | 56 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 44 | 56 |
| 24 | 43 | 57 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 43 | 57 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 42 | 58 |
| 31 | 42 | 58 |
Chance of precipitation in October
Avarua gets around 87 mm of rain over 8.8 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 29% and peaks near 30% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 29 |
| 3 | 29 |
| 4 | 29 |
| 5 | 28 |
| 6 | 28 |
| 7 | 28 |
| 8 | 28 |
| 9 | 28 |
| 10 | 28 |
| 11 | 29 |
| 12 | 29 |
| 13 | 29 |
| 14 | 29 |
| 15 | 29 |
| 16 | 29 |
| 17 | 29 |
| 18 | 29 |
| 19 | 29 |
| 20 | 29 |
| 21 | 30 |
| 22 | 30 |
| 23 | 30 |
| 24 | 29 |
| 25 | 29 |
| 26 | 29 |
| 27 | 29 |
| 28 | 29 |
| 29 | 29 |
| 30 | 29 |
| 31 | 29 |
Humidity in October
Most of October feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 9 |
| Humid (%) | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
| Muggy (%) | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 44 | 43 | 42 | 41 | 41 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 41 | 41 | 41 |
| Oppressive (%) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 2 | 16 | 25 | 43 | 14 |
| 2 | 2 | 16 | 25 | 43 | 14 |
| 3 | 2 | 16 | 25 | 44 | 14 |
| 4 | 2 | 16 | 25 | 44 | 14 |
| 5 | 2 | 16 | 25 | 44 | 14 |
| 6 | 2 | 16 | 24 | 45 | 14 |
| 7 | 2 | 16 | 24 | 45 | 14 |
| 8 | 1 | 16 | 23 | 45 | 14 |
| 9 | 1 | 16 | 23 | 45 | 15 |
| 10 | 1 | 16 | 23 | 45 | 16 |
| 11 | 1 | 16 | 23 | 44 | 16 |
| 12 | 1 | 16 | 23 | 43 | 17 |
| 13 | 1 | 16 | 23 | 42 | 18 |
| 14 | 1 | 16 | 23 | 41 | 19 |
| 15 | 1 | 15 | 24 | 41 | 20 |
| 16 | 1 | 15 | 24 | 40 | 20 |
| 17 | 1 | 15 | 24 | 39 | 21 |
| 18 | 1 | 15 | 24 | 39 | 22 |
| 19 | 1 | 14 | 24 | 39 | 22 |
| 20 | 1 | 14 | 24 | 39 | 22 |
| 21 | 1 | 13 | 24 | 39 | 23 |
| 22 | 1 | 13 | 24 | 39 | 23 |
| 23 | 1 | 12 | 25 | 39 | 23 |
| 24 | 1 | 12 | 25 | 40 | 23 |
| 25 | 1 | 12 | 25 | 40 | 23 |
| 26 | 1 | 11 | 25 | 40 | 23 |
| 27 | 1 | 11 | 25 | 40 | 23 |
| 28 | 1 | 10 | 26 | 40 | 23 |
| 29 | 1 | 10 | 26 | 41 | 23 |
| 30 | 1 | 10 | 25 | 41 | 23 |
| 31 | 1 | 9 | 25 | 41 | 24 |
Wind in October
Winds average 25 km/h in October.
Across October, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 25 | breezy |
| 2 | 25 | breezy |
| 3 | 25 | breezy |
| 4 | 25 | breezy |
| 5 | 25 | breezy |
| 6 | 25 | breezy |
| 7 | 25 | breezy |
| 8 | 25 | breezy |
| 9 | 25 | breezy |
| 10 | 25 | breezy |
| 11 | 25 | breezy |
| 12 | 25 | breezy |
| 13 | 25 | breezy |
| 14 | 25 | breezy |
| 15 | 24 | breezy |
| 16 | 24 | breezy |
| 17 | 24 | breezy |
| 18 | 24 | breezy |
| 19 | 24 | breezy |
| 20 | 24 | breezy |
| 21 | 24 | breezy |
| 22 | 24 | breezy |
| 23 | 24 | breezy |
| 24 | 24 | breezy |
| 25 | 24 | breezy |
| 26 | 24 | breezy |
| 27 | 24 | breezy |
| 28 | 24 | breezy |
| 29 | 24 | breezy |
| 30 | 24 | breezy |
| 31 | 24 | breezy |
Sunrise & sunset in October
Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 36 minutes over October. Sunrise moves from 6:22 AM to 5:59 AM, and sunset from 6:34 PM to 6:46 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 |
| Sunrise (AM) | 6:22 | 6:21 | 6:20 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 | 6:04 | 6:03 | 6:03 | 6:02 | 6:02 | 6:01 | 6:00 | 6:00 | 5:59 |
| Sunset (PM) | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:22 | 6:34 |
| 2 | 12.2 | 6:21 | 6:34 |
| 3 | 12.2 | 6:20 | 6:34 |
| 4 | 12.3 | 6:20 | 6:35 |
| 5 | 12.3 | 6:19 | 6:35 |
| 6 | 12.3 | 6:18 | 6:35 |
| 7 | 12.3 | 6:17 | 6:36 |
| 8 | 12.3 | 6:16 | 6:36 |
| 9 | 12.4 | 6:15 | 6:36 |
| 10 | 12.4 | 6:14 | 6:37 |
| 11 | 12.4 | 6:13 | 6:37 |
| 12 | 12.4 | 6:12 | 6:37 |
| 13 | 12.4 | 6:12 | 6:38 |
| 14 | 12.5 | 6:11 | 6:38 |
| 15 | 12.5 | 6:10 | 6:39 |
| 16 | 12.5 | 6:09 | 6:39 |
| 17 | 12.5 | 6:08 | 6:39 |
| 18 | 12.5 | 6:08 | 6:40 |
| 19 | 12.6 | 6:07 | 6:40 |
| 20 | 12.6 | 6:06 | 6:41 |
| 21 | 12.6 | 6:06 | 6:41 |
| 22 | 12.6 | 6:05 | 6:42 |
| 23 | 12.6 | 6:04 | 6:42 |
| 24 | 12.7 | 6:03 | 6:42 |
| 25 | 12.7 | 6:03 | 6:43 |
| 26 | 12.7 | 6:02 | 6:43 |
| 27 | 12.7 | 6:02 | 6:44 |
| 28 | 12.7 | 6:01 | 6:44 |
| 29 | 12.7 | 6:00 | 6:45 |
| 30 | 12.8 | 6:00 | 6:45 |
| 31 | 12.8 | 5:59 | 6:46 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 5.91 kWh/m².
For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.56 kWh/m² in December across the year — October's 5.91 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.6 | Bright |
| 4 | 5.6 | Bright |
| 5 | 5.6 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.9 | Bright |
| 15 | 5.9 | Bright |
| 16 | 5.9 | Bright |
| 17 | 6.0 | Bright |
| 18 | 6.0 | Bright |
| 19 | 6.0 | Intense |
| 20 | 6.0 | Intense |
| 21 | 6.0 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.2 | Intense |
| 29 | 6.2 | Intense |
| 30 | 6.2 | Intense |
| 31 | 6.3 | Intense |
Is October a good time to visit Avarua?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is one of the better times to visit Avarua for general sightseeing.
What to pack for Avarua in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Avarua sees daytime highs around 24°C and nights near 23°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 9 days see rain.
Sea temperature near Avarua in October
The nearest coast averages about 25°C in October — 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 October
Clear-sky midday UV in October peaks 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).