Nuku‘alofa weather in March

In March, Nuku‘alofa sees average daytime highs of 27°C and overnight lows near 26°C, with 230 mm of rain across 18.3 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 26% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Nuku‘alofa's 12th-clearest and 11th-windiest month. For the whole year in context, see Nuku‘alofa's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
26°
11th coldest
Rainfall
230 mm
18.3 wet days
Daylight
12 h 12 min
6:46 AM – 6:55 PM
Cloud cover
65%
12th clearest
Wind
23 km/h
11th windiest
Solar energy
5.4 kWh/m²
Travel score
5.3
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 March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical March day in Nuku‘alofa reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, March runs on par with February and about 1°C warmer than April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252725
262725
272725
282725
292725
302725
312725

Nuku‘alofa weather by month

How March compares with the rest of the year at a glance. March is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°19515.513.15.7
Feb27° / 26°20316.512.75.3
Mar27° / 26°23018.312.15.3
Apr26° / 25°16713.411.56.0
May25° / 24°10310.1116.8
Jun24° / 23°1068.810.77.0
Jul23° / 22°968.410.87.0
Aug23° / 21°1098.611.36.9
Sep23° / 22°1069.511.96.9
Oct23° / 22°938.512.57.1
Nov25° / 23°999.2136.9
Dec26° / 25°10512.113.36.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
34060
43961
53961
63862
73961
83961
93862
103862
113961
124159
134159
144159
154159
164159
174258
184258
194357
204357
214456
224555
234654
244654
254852
264852
274951
284951
294951
305050
315050

Chance of precipitation in March

Any precipitation

Nuku‘alofa gets around 230 mm of rain over 18.3 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
261
361
461
562
662
762
862
961
1061
1160
1260
1359
1459
1559
1658
1758
1858
1958
2057
2157
2256
2356
2456
2555
2655
2754
2854
2953
3052
3151

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1297019
2296920
3296821
4296722
5296623
6296524
7296524
8296425
92106325
102106325
112116225
122116225
132116225
142126224
152126224
162126323
172136322
182136421
192136520
202146519
212146618
222156617
232166616
242166715
252176714
263186514
273196513
283206413
293206413
303216313
314226113

Wind in March

Winds average 23 km/h in March.

Across March, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2824breezy
2924breezy
3024breezy
3124breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 30 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over March. Sunrise moves from 6:40 AM to 6:51 AM, and sunset from 7:08 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:407:08
212.46:417:07
312.46:417:06
412.46:427:05
512.46:427:05
612.46:427:04
712.36:437:03
812.36:437:02
912.36:447:01
1012.36:447:00
1112.36:446:59
1212.26:456:59
1312.26:456:58
1412.26:456:57
1512.26:466:56
1612.26:466:55
1712.16:466:54
1812.16:476:53
1912.16:476:52
2012.16:476:51
2112.06:486:50
2212.06:486:49
2312.06:486:48
2412.06:486:48
2512.06:496:47
2611.96:496:46
2711.96:496:45
2811.96:506:44
2911.96:506:43
3011.96:506:42
3111.86:516:41

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.4 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 — March's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in March

Is March a good time to visit Nuku‘alofa?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.3
Sightseeing
11th-best month of the year
5.4
Beach & pool
9th-best month of the year

March is a reasonable time to visit Nuku‘alofa for sightseeing.

What to pack for Nuku‘alofa in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Nuku‘alofa sees daytime highs around 27°C and nights near 26°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 18 days see rain.

rain gearlight clothessun protectiona windbreaker

Sea temperature near Nuku‘alofa in March

The nearest coast averages about 28°C in March — 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.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Warm
Apr27Warm
May26Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Refreshing
Oct24Warm
Nov25Warm
Dec26Warm

UV index in Nuku‘alofa in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 12UV 16Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr10Very high
May7Very high
Jun7High
Jul7High
Aug8Very high
Sep11Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

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.

3 km
21 m
16 km
73 m
80 km
299 m
treesgrasslandartificial surfaceswatermangroves
March weather nearby: Alofi 598 km · Levuka 668 km · Nasinu 741 km · Suva 746 km · Lami 749 km · Labasa 775 km · Sigatoka 833 km · Nadi 858 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
Protestant 64%Church of Jesus Christ 20%Roman Catholic 14%other 2%

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).