Nuku‘alofa weather in April
In April, Nuku‘alofa sees average daytime highs of 26°C and overnight lows near 25°C, with 167 mm of rain across 13.4 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 4th-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 29% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of April to 11 h 18 min by month's end. Set against the rest of the year, April is Nuku‘alofa's 9th-clearest and 1st-windiest month. For the whole year in context, see Nuku‘alofa's year-round climate.
- Daytime high
- 26°
- 4th warmest
- Overnight low
- 25°
- 9th coldest
- Rainfall
- 167 mm
- 13.4 wet days
- Daylight
- 11 h 30 min
- 6:56 AM – 6:26 PM
- Cloud cover
- 63%
- 9th clearest
- Wind
- 26 km/h
- 1st windiest
- Solar energy
- 4.6 kWh/m²
- Travel score
- 6.0
- 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 April
Day-to-day highs hold fairly steady near 26°C through the month.
A typical April 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, April runs about 1°C cooler than March and about 1°C warmer than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
| 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 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 25 |
| 2 | 27 | 25 |
| 3 | 27 | 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 | 26 | 25 |
| 24 | 26 | 25 |
| 25 | 26 | 25 |
| 26 | 26 | 24 |
| 27 | 26 | 24 |
| 28 | 26 | 24 |
| 29 | 25 | 24 |
| 30 | 25 | 24 |
Nuku‘alofa weather by month
How April compares with the rest of the year at a glance. April is the 4th-warmest and 4th-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 April
The sky is clear or mostly clear about 29% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 53%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 50 | 50 | 49 | 49 | 49 | 49 | 48 | 48 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 48 | 47 | 47 | 48 | 48 | 47 | 47 |
| Cloudier (%) | 50 | 50 | 51 | 51 | 51 | 51 | 52 | 52 | 54 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 52 | 53 | 53 | 52 | 52 | 53 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 50 | 50 |
| 3 | 49 | 51 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 49 | 51 |
| 7 | 48 | 52 |
| 8 | 48 | 52 |
| 9 | 46 | 54 |
| 10 | 46 | 54 |
| 11 | 46 | 54 |
| 12 | 45 | 55 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 46 | 54 |
| 18 | 46 | 54 |
| 19 | 46 | 54 |
| 20 | 46 | 54 |
| 21 | 46 | 54 |
| 22 | 47 | 53 |
| 23 | 47 | 53 |
| 24 | 48 | 52 |
| 25 | 47 | 53 |
| 26 | 47 | 53 |
| 27 | 48 | 52 |
| 28 | 48 | 52 |
| 29 | 47 | 53 |
| 30 | 47 | 53 |
Chance of precipitation in April
Nuku‘alofa gets around 167 mm of rain over 13.4 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 45% and peaks near 51% on the wettest days. The odds ease 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 51 | 50 | 49 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 |
| Rain chance (%) | |
|---|---|
| 1 | 51 |
| 2 | 50 |
| 3 | 49 |
| 4 | 48 |
| 5 | 48 |
| 6 | 48 |
| 7 | 47 |
| 8 | 47 |
| 9 | 47 |
| 10 | 47 |
| 11 | 46 |
| 12 | 46 |
| 13 | 46 |
| 14 | 46 |
| 15 | 45 |
| 16 | 45 |
| 17 | 45 |
| 18 | 44 |
| 19 | 44 |
| 20 | 43 |
| 21 | 43 |
| 22 | 43 |
| 23 | 42 |
| 24 | 42 |
| 25 | 42 |
| 26 | 41 |
| 27 | 41 |
| 28 | 41 |
| 29 | 40 |
| 30 | 40 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 90% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 |
| Humid (%) | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 15 |
| Muggy (%) | 22 | 23 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 35 | 36 | 37 | 38 | 39 | 39 | 40 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 40 |
| Oppressive (%) | 62 | 61 | 60 | 60 | 58 | 59 | 58 | 57 | 58 | 57 | 57 | 56 | 56 | 55 | 55 | 52 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 44 | 43 | 42 | 42 | 41 |
| Miserable (%) | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 4 | 22 | 62 | 12 |
| 2 | 0 | 4 | 23 | 61 | 12 |
| 3 | 0 | 4 | 24 | 60 | 12 |
| 4 | 0 | 5 | 24 | 60 | 11 |
| 5 | 1 | 5 | 25 | 58 | 11 |
| 6 | 1 | 5 | 25 | 59 | 10 |
| 7 | 1 | 5 | 26 | 58 | 10 |
| 8 | 1 | 6 | 27 | 57 | 9 |
| 9 | 1 | 6 | 27 | 58 | 8 |
| 10 | 1 | 6 | 28 | 57 | 8 |
| 11 | 1 | 6 | 29 | 57 | 7 |
| 12 | 1 | 7 | 30 | 56 | 6 |
| 13 | 1 | 7 | 31 | 56 | 5 |
| 14 | 1 | 7 | 32 | 55 | 5 |
| 15 | 1 | 7 | 33 | 55 | 4 |
| 16 | 1 | 8 | 35 | 52 | 4 |
| 17 | 1 | 8 | 36 | 52 | 3 |
| 18 | 1 | 8 | 37 | 51 | 3 |
| 19 | 1 | 9 | 38 | 50 | 2 |
| 20 | 2 | 9 | 39 | 49 | 2 |
| 21 | 2 | 9 | 39 | 48 | 1 |
| 22 | 2 | 10 | 40 | 47 | 1 |
| 23 | 2 | 10 | 41 | 46 | 1 |
| 24 | 2 | 11 | 41 | 45 | 1 |
| 25 | 3 | 11 | 41 | 44 | 1 |
| 26 | 3 | 12 | 41 | 44 | 1 |
| 27 | 3 | 13 | 41 | 43 | 1 |
| 28 | 3 | 13 | 40 | 42 | 1 |
| 29 | 3 | 14 | 40 | 42 | 1 |
| 30 | 4 | 15 | 40 | 41 | 0 |
Wind in April
Winds average 26 km/h in April, the windiest month of the year.
Across April, daily wind ranges from about 24 km/h on the calmest days to 27 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 24 | breezy |
| 2 | 24 | breezy |
| 3 | 24 | breezy |
| 4 | 24 | breezy |
| 5 | 24 | breezy |
| 6 | 24 | 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 | 26 | breezy |
| 16 | 26 | breezy |
| 17 | 26 | breezy |
| 18 | 26 | breezy |
| 19 | 26 | breezy |
| 20 | 26 | breezy |
| 21 | 26 | breezy |
| 22 | 26 | breezy |
| 23 | 27 | breezy |
| 24 | 27 | breezy |
| 25 | 27 | breezy |
| 26 | 27 | breezy |
| 27 | 27 | breezy |
| 28 | 27 | breezy |
| 29 | 27 | breezy |
| 30 | 27 | breezy |
Sunrise & sunset in April
Daylight runs from about 11 h 48 min at the start of April to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over April. Sunrise moves from 6:51 AM to 7:01 AM, and sunset from 6:40 PM to 6:16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| Sunrise (AM) | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:52 | 6:53 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:58 | 6:58 | 6:58 | 6:59 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 |
| Sunset (PM) | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:27 | 6:26 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:22 | 6:21 | 6:20 | 6:19 | 6:19 | 6:18 | 6:17 | 6:16 | 6:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:51 | 6:40 |
| 2 | 11.8 | 6:51 | 6:39 |
| 3 | 11.8 | 6:52 | 6:38 |
| 4 | 11.8 | 6:52 | 6:37 |
| 5 | 11.7 | 6:52 | 6:36 |
| 6 | 11.7 | 6:52 | 6:35 |
| 7 | 11.7 | 6:53 | 6:34 |
| 8 | 11.7 | 6:53 | 6:34 |
| 9 | 11.7 | 6:53 | 6:33 |
| 10 | 11.6 | 6:54 | 6:32 |
| 11 | 11.6 | 6:54 | 6:31 |
| 12 | 11.6 | 6:54 | 6:30 |
| 13 | 11.6 | 6:55 | 6:29 |
| 14 | 11.6 | 6:55 | 6:28 |
| 15 | 11.5 | 6:55 | 6:27 |
| 16 | 11.5 | 6:56 | 6:26 |
| 17 | 11.5 | 6:56 | 6:26 |
| 18 | 11.5 | 6:56 | 6:25 |
| 19 | 11.5 | 6:57 | 6:24 |
| 20 | 11.4 | 6:57 | 6:23 |
| 21 | 11.4 | 6:57 | 6:22 |
| 22 | 11.4 | 6:58 | 6:22 |
| 23 | 11.4 | 6:58 | 6:21 |
| 24 | 11.4 | 6:58 | 6:20 |
| 25 | 11.3 | 6:59 | 6:19 |
| 26 | 11.3 | 6:59 | 6:19 |
| 27 | 11.3 | 6:59 | 6:18 |
| 28 | 11.3 | 7:00 | 6:17 |
| 29 | 11.3 | 7:00 | 6:16 |
| 30 | 11.3 | 7:01 | 6:16 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.6 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 — April's 4.6 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 5.0 | Bright |
| 3 | 5.0 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.3 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
Is April a good time to visit Nuku‘alofa?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Nuku‘alofa for sightseeing.
What to pack for Nuku‘alofa in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Nuku‘alofa sees daytime highs around 26°C and nights near 25°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 13 days see rain.
Sea temperature near Nuku‘alofa in April
The nearest coast averages about 27°C in April — 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 April
Clear-sky midday UV in April peaks around 10 (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).