Nuku‘alofa weather in January
In January, Nuku‘alofa sees average daytime highs of 26°C and overnight lows near 25°C, with 195 mm of rain across 15.5 wet days and about 13.1 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 30% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Nuku‘alofa's 10th-clearest and 8th-windiest month. For the whole year in context, see Nuku‘alofa's year-round climate.
- Daytime high
- 26°
- 3rd warmest
- Overnight low
- 25°
- 10th coldest
- Rainfall
- 195 mm
- 15.5 wet days
- Daylight
- 13 h 12 min
- 6:15 AM – 7:25 PM
- Cloud cover
- 64%
- 10th clearest
- Wind
- 24 km/h
- 8th windiest
- Solar energy
- 6.6 kWh/m²
- Travel score
- 5.7
- out of 10
Nuku‘alofa is capital city of Tonga.
- Density
- 1,963/km²
- people per km²
- Founded
- 1795
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 26°C through the month.
A typical January day in Nuku‘alofa reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.
| 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) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 25 |
| 2 | 26 | 25 |
| 3 | 26 | 25 |
| 4 | 26 | 25 |
| 5 | 26 | 25 |
| 6 | 26 | 25 |
| 7 | 26 | 25 |
| 8 | 26 | 25 |
| 9 | 26 | 25 |
| 10 | 26 | 25 |
| 11 | 26 | 25 |
| 12 | 26 | 25 |
| 13 | 26 | 25 |
| 14 | 26 | 25 |
| 15 | 26 | 25 |
| 16 | 26 | 25 |
| 17 | 26 | 25 |
| 18 | 26 | 25 |
| 19 | 26 | 25 |
| 20 | 26 | 25 |
| 21 | 26 | 25 |
| 22 | 26 | 25 |
| 23 | 27 | 25 |
| 24 | 27 | 25 |
| 25 | 27 | 25 |
| 26 | 27 | 25 |
| 27 | 27 | 25 |
| 28 | 27 | 25 |
| 29 | 27 | 25 |
| 30 | 27 | 25 |
| 31 | 27 | 25 |
Nuku‘alofa weather by month
How January compares with the rest of the year at a glance. January is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 25° | 195 | 15.5 | 13.1 | 5.7 |
| Feb | 27° / 26° | 203 | 16.5 | 12.7 | 5.3 |
| Mar | 27° / 26° | 230 | 18.3 | 12.1 | 5.3 |
| Apr | 26° / 25° | 167 | 13.4 | 11.5 | 6.0 |
| May | 25° / 24° | 103 | 10.1 | 11 | 6.8 |
| Jun | 24° / 23° | 106 | 8.8 | 10.7 | 7.0 |
| Jul | 23° / 22° | 96 | 8.4 | 10.8 | 7.0 |
| Aug | 23° / 21° | 109 | 8.6 | 11.3 | 6.9 |
| Sep | 23° / 22° | 106 | 9.5 | 11.9 | 6.9 |
| Oct | 23° / 22° | 93 | 8.5 | 12.5 | 7.1 |
| Nov | 25° / 23° | 99 | 9.2 | 13 | 6.9 |
| Dec | 26° / 25° | 105 | 12.1 | 13.3 | 6.4 |
Cloud cover in January
The sky is clear or mostly clear about 30% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 55%.
| 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 (%) | 45 | 45 | 45 | 44 | 43 | 43 | 42 | 42 | 42 | 42 | 43 | 45 | 45 | 45 | 46 | 48 | 48 | 48 | 48 | 48 | 47 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 46 | 46 | 46 |
| Cloudier (%) | 55 | 55 | 55 | 56 | 57 | 57 | 58 | 58 | 58 | 58 | 57 | 55 | 55 | 55 | 54 | 52 | 52 | 52 | 52 | 52 | 53 | 52 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 54 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 45 | 55 |
| 2 | 45 | 55 |
| 3 | 45 | 55 |
| 4 | 44 | 56 |
| 5 | 43 | 57 |
| 6 | 43 | 57 |
| 7 | 42 | 58 |
| 8 | 42 | 58 |
| 9 | 42 | 58 |
| 10 | 42 | 58 |
| 11 | 43 | 57 |
| 12 | 45 | 55 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 46 | 54 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 47 | 53 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 47 | 53 |
| 27 | 47 | 53 |
| 28 | 46 | 54 |
| 29 | 46 | 54 |
| 30 | 46 | 54 |
| 31 | 46 | 54 |
Chance of precipitation in January
Nuku‘alofa gets around 195 mm of rain over 15.5 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 50% and peaks near 59% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 45 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 52 | 52 | 53 | 54 | 55 | 55 | 56 | 57 | 58 | 59 |
| Rain chance (%) | |
|---|---|
| 1 | 45 |
| 2 | 45 |
| 3 | 45 |
| 4 | 46 |
| 5 | 46 |
| 6 | 46 |
| 7 | 47 |
| 8 | 47 |
| 9 | 47 |
| 10 | 48 |
| 11 | 48 |
| 12 | 48 |
| 13 | 48 |
| 14 | 48 |
| 15 | 48 |
| 16 | 48 |
| 17 | 49 |
| 18 | 49 |
| 19 | 50 |
| 20 | 50 |
| 21 | 51 |
| 22 | 52 |
| 23 | 52 |
| 24 | 53 |
| 25 | 54 |
| 26 | 55 |
| 27 | 55 |
| 28 | 56 |
| 29 | 57 |
| 30 | 58 |
| 31 | 59 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 95% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 |
| Muggy (%) | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 17 | 16 | 15 | 14 |
| Oppressive (%) | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 61 | 60 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 59 | 60 | 60 | 61 | 61 | 61 | 62 | 63 | 63 | 64 | 64 | 65 | 65 | 67 | 67 |
| Miserable (%) | 8 | 9 | 10 | 11 | 12 | 13 | 13 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 8 | 23 | 61 | 8 |
| 2 | 7 | 23 | 61 | 9 |
| 3 | 7 | 22 | 61 | 10 |
| 4 | 7 | 21 | 61 | 11 |
| 5 | 7 | 21 | 60 | 12 |
| 6 | 7 | 20 | 60 | 13 |
| 7 | 7 | 20 | 60 | 13 |
| 8 | 6 | 19 | 61 | 14 |
| 9 | 6 | 19 | 60 | 15 |
| 10 | 6 | 18 | 61 | 15 |
| 11 | 6 | 18 | 61 | 15 |
| 12 | 6 | 18 | 60 | 16 |
| 13 | 6 | 18 | 60 | 16 |
| 14 | 6 | 19 | 59 | 16 |
| 15 | 6 | 19 | 59 | 16 |
| 16 | 6 | 19 | 59 | 16 |
| 17 | 5 | 20 | 59 | 16 |
| 18 | 5 | 20 | 60 | 15 |
| 19 | 5 | 20 | 60 | 15 |
| 20 | 4 | 20 | 61 | 15 |
| 21 | 4 | 20 | 61 | 15 |
| 22 | 4 | 20 | 61 | 15 |
| 23 | 3 | 20 | 62 | 15 |
| 24 | 3 | 19 | 63 | 15 |
| 25 | 3 | 19 | 63 | 15 |
| 26 | 2 | 19 | 64 | 15 |
| 27 | 2 | 18 | 64 | 16 |
| 28 | 2 | 17 | 65 | 16 |
| 29 | 2 | 16 | 65 | 17 |
| 30 | 1 | 15 | 67 | 17 |
| 31 | 1 | 14 | 67 | 18 |
Wind in January
Winds average 24 km/h in January.
Across January, daily wind ranges from about 23 km/h on the calmest days to 26 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) | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| 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 | 26 | breezy |
| 2 | 26 | breezy |
| 3 | 26 | breezy |
| 4 | 26 | breezy |
| 5 | 26 | 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 | 24 | 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 | 23 | breezy |
| 26 | 23 | breezy |
| 27 | 23 | breezy |
| 28 | 23 | breezy |
| 29 | 23 | breezy |
| 30 | 23 | breezy |
| 31 | 23 | breezy |
Sunrise & sunset in January
Daylight runs from about 13 h 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over January. Sunrise moves from 6:06 AM to 6:25 AM, and sunset from 7:22 PM to 7:23 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) | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 |
| Sunrise (AM) | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:10 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:15 | 6:15 | 6:16 | 6:17 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:21 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 |
| Sunset (PM) | 7:22 | 7:22 | 7:23 | 7:23 | 7:23 | 7:23 | 7:24 | 7:24 | 7:24 | 7:24 | 7:24 | 7:24 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:24 | 7:24 | 7:24 | 7:24 | 7:24 | 7:24 | 7:23 | 7:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 6:06 | 7:22 |
| 2 | 13.3 | 6:07 | 7:22 |
| 3 | 13.3 | 6:07 | 7:23 |
| 4 | 13.3 | 6:08 | 7:23 |
| 5 | 13.2 | 6:08 | 7:23 |
| 6 | 13.2 | 6:09 | 7:23 |
| 7 | 13.2 | 6:10 | 7:24 |
| 8 | 13.2 | 6:10 | 7:24 |
| 9 | 13.2 | 6:11 | 7:24 |
| 10 | 13.2 | 6:12 | 7:24 |
| 11 | 13.2 | 6:12 | 7:24 |
| 12 | 13.2 | 6:13 | 7:24 |
| 13 | 13.2 | 6:13 | 7:25 |
| 14 | 13.2 | 6:14 | 7:25 |
| 15 | 13.2 | 6:15 | 7:25 |
| 16 | 13.2 | 6:15 | 7:25 |
| 17 | 13.1 | 6:16 | 7:25 |
| 18 | 13.1 | 6:17 | 7:25 |
| 19 | 13.1 | 6:17 | 7:25 |
| 20 | 13.1 | 6:18 | 7:25 |
| 21 | 13.1 | 6:19 | 7:25 |
| 22 | 13.1 | 6:19 | 7:25 |
| 23 | 13.1 | 6:20 | 7:25 |
| 24 | 13.1 | 6:21 | 7:24 |
| 25 | 13.1 | 6:21 | 7:24 |
| 26 | 13.0 | 6:22 | 7:24 |
| 27 | 13.0 | 6:23 | 7:24 |
| 28 | 13.0 | 6:23 | 7:24 |
| 29 | 13.0 | 6:24 | 7:24 |
| 30 | 13.0 | 6:24 | 7:23 |
| 31 | 13.0 | 6:25 | 7:23 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 6.6 kWh/m².
For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 6.69 kWh/m² in December across the year — January's 6.6 kWh/m² sits near the top of that range.
| 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) | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.9 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.8 | Intense |
| 5 | 6.8 | Intense |
| 6 | 6.8 | Intense |
| 7 | 6.7 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.7 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
| 31 | 6.2 | Intense |
Is January a good time to visit Nuku‘alofa?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Nuku‘alofa for sightseeing.
What to pack for Nuku‘alofa in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Nuku‘alofa sees daytime highs around 26°C and nights near 25°C. Pack rain gear and sun protection. Worth having: light clothes and a windbreaker. About 16 days see rain.
Sea temperature near Nuku‘alofa in January
The nearest coast averages about 27°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore 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 | 24 | 24 | 24 | 24 | 25 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | 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 | 24 | Warm |
| Aug | 24 | Refreshing |
| Sep | 24 | Refreshing |
| Oct | 24 | Warm |
| Nov | 25 | Warm |
| Dec | 26 | Warm |
UV index in Nuku‘alofa in January
Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nuku‘alofa peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (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 | 16 | 14 | 10 | 7 | 7 | 7 | 8 | 11 | 14 | 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 | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 10 | Very high |
| May | 7 | Very high |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 11 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is Nuku‘alofa?
Nuku‘alofa sits at 21.1°S, 175.2°W, 1 m above sea level, in Tonga. The nearest listed city is Alofi, 598 km away.
Topography around Nuku‘alofa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nuku‘alofa.
Within 3 km, the terrain around Nuku‘alofa has only modest variations in elevation — a maximum elevation change of 21 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 73 m; within 80 km, significant variations in elevation — a maximum elevation change of 299 m.
The land around Nuku‘alofa is covered by water (52%) and artificial surfaces (20%) within 3 km, water (68%) within 16 km, and water (97%) within 80 km.
Tonga travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 75% of US
- price level, 2025
- GDP per capita
- $6,547
- 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 0.9
- per 100k, 2019
- Road deaths
- 33
- per 100k/yr, 2019
- Income group
- Upper middle
- 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 Nuku‘alofa (-21.1368°, -175.2011°, elevation 1 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).