Tonga weather in March

In March, Tonga sees average daytime highs of 31°C and overnight lows near 20°C, with 70 mm of rain across 15.5 wet days and about 12 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 10% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Tonga's 5th-clearest and 3rd-windiest month. For the whole year in context, see Tonga's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
20°
12th coldest
Rainfall
70 mm
15.5 wet days
Daylight
12 hours
6:28 AM – 6:26 PM
Cloud cover
74%
5th clearest
Wind
8 km/h
3rd windiest
Solar energy
5.6 kWh/m²
Travel score
3.8
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 32°C in the first days to 30°C by the end.

A typical March day in Tonga reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13220
23220
33220
43220
53220
63220
73220
83220
93220
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243020
253020
263020
273020
283020
293020
303020
313020

How March really feels in Tonga

Once humidity and wind are folded in, March averages 28 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
28
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tonga weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°82.511.75.0
Feb32° / 20°184.811.84.2
Mar31° / 20°7015.5123.8
Apr29° / 20°13322.412.13.6
May28° / 20°14725.412.23.8
Jun27° / 20°14025.712.34.0
Jul26° / 19°14225.612.34.2
Aug25° / 19°17126.212.24.1
Sep26° / 19°20727.9123.7
Oct27° / 19°20028.411.93.7
Nov28° / 19°7013.911.85.1
Dec30° / 19°102.511.75.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33466
43466
53466
63268
73169
83070
93070
102872
112773
122674
132575
142476
152476
162476
172377
182377
192377
202377
212377
222377
232377
242278
252278
262278
272377
282377
292278
302278
312278

Chance of precipitation in March

Any precipitation

Tonga gets around 70 mm of rain over 15.5 wet days in March. 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 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
132
234
335
436
537
638
739
841
942
1043
1145
1246
1348
1449
1551
1652
1753
1854
1955
2056
2157
2257
2358
2459
2560
2661
2761
2862
2963
3063
3164

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12727622
22626642
32525662
42524672
52423692
61422712
71322722
81321723
91320733
101219753
111218763
120217774
130216784
140115804
150114814
160113815
170113815
180112825
190011845
200010855
210010846
22009856
23008866
24007867
25006877
26006877
27005878
28004888
29004888
30003898
31003889

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over March. Sunrise moves from 6:34 AM to 6:21 AM, and sunset from 6:27 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:346:27
211.96:336:27
311.96:336:27
411.96:336:27
511.96:326:27
611.96:326:27
711.96:316:27
811.96:316:27
911.96:316:27
1011.96:306:27
1111.96:306:27
1211.96:306:26
1312.06:296:26
1412.06:296:26
1512.06:286:26
1612.06:286:26
1712.06:276:26
1812.06:276:26
1912.06:276:25
2012.06:266:25
2112.06:266:25
2212.06:256:25
2312.06:256:25
2412.06:246:25
2512.06:246:24
2612.06:236:24
2712.06:236:24
2812.06:226:24
2912.06:226:24
3012.06:226:23
3112.06:216:23

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.6 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.02 kWh/m² in February across the year — March's 5.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in March

Hazard calendar for Tonga

In seasonPeak

In March, Tonga sits inside its dust season. The full year is below, with each hazard's peak months called out.

Tonga's rainy season runs April–October, when most of the year's rain falls.

Tonga sees seasonal dust haze (February–April), heaviest in February.

Rainy season
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Tonga?

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

3.8
Sightseeing
8th-best month of the year
5.6
Beach & pool
5th-best month of the year

March is a weaker month for outdoor sightseeing in Tonga.

What to pack for Tonga in March

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

In March, Tonga sees daytime highs around 31°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Tonga 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 Tonga peaks around April 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 14Dec 20UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Tonga in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Tonga is worst in February — around 109 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (August, 22 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 13105 µg/m³Aug 1422 µg/m³
PM2.5 (µg/m³)Level
Jan85Unhealthy
Feb109Unhealthy
Mar71Unhealthy
Apr54Poor
May34Moderate
Jun28Moderate
Jul23Moderate
Aug22Moderate
Sep24Moderate
Oct35Moderate
Nov44Poor
Dec71Unhealthy
Location & terrain

Where is Tonga?

Tonga sits at 5.0°N, 10.7°E, 809 m above sea level, in Cameroon. The nearest listed city is Bangangté, 27 km away.

KekemMelong

Topography around Tonga

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tonga.

Within 3 km, the terrain around Tonga has only modest variations in elevation — a maximum elevation change of 178 m around an average of 795 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,087 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,002 m.

The land around Tonga is covered by trees (63%) and grassland (30%) within 3 km, trees (78%) and grassland (20%) within 16 km, and trees (80%) within 80 km.

3 km
178 m
16 km
1,087 m
80 km
2,002 m
treesshrubsgrasslandcroplandartificial surfaces
March weather nearby: Bangangté 27 km · Bandjoun 55 km · Foumbot 61 km · Bafang 62 km · Bafia 64 km · Bafoussam 65 km · Kekem 78 km · Melong 84 km

Cameroon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,972
2025
Happiness
5.1 / 10
World Happiness, 2025
Homicide rate
6.8
per 100k, 2022
Road deaths
30.2
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 445
Religion
Roman Catholic 33%Muslim 31%Protestant 27%animist 1%

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 Tonga (4.9667°, 10.7°, elevation 809 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).