Tonga weather in April

In April, Tonga sees average daytime highs of 29°C and overnight lows near 20°C, with 133 mm of rain across 22.4 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 5% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of April to 12 h 12 min by month's end. Set against the rest of the year, April is Tonga's 9th-clearest and 7th-windiest month. For the whole year in context, see Tonga's year-round climate.

Daytime high
29°
5th warmest
Overnight low
20°
11th coldest
Rainfall
133 mm
22.4 wet days
Daylight
12 h 06 min
6:14 AM – 6:21 PM
Cloud cover
81%
9th clearest
Wind
6 km/h
7th windiest
Solar energy
5.08 kWh/m²
Travel score
3.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical April day in Tonga reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, April runs about 2°C cooler than March and about 1°C warmer than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920

How April really feels in Tonga

Once humidity and wind are folded in, April averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tonga weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12278
22278
32080
42080
52080
61981
71981
81981
91981
101882
111882
121882
131783
141783
151684
161585
171585
181585
191486
201486
211486
221486
231486
241486
251486
261486
271585
281585
291585
301684

Chance of precipitation in April

Any precipitation

Tonga gets around 133 mm of rain over 22.4 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 74% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
165
265
366
467
568
669
770
871
971
1072
1173
1273
1374
1474
1575
1675
1776
1876
1977
2077
2177
2277
2378
2478
2578
2678
2777
2877
2977
3077

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
12899
22899
318910
418910
518811
618811
708812
808812
908812
1008812
1108713
1208713
1308713
1408614
1508515
1608515
1708416
1808416
1908416
2008416
2108416
2208416
2308416
2408317
2508317
2608317
2708317
2808218
2908218
3008218

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 12 minutes over April. Sunrise moves from 6:21 AM to 6:10 AM, and sunset from 6:23 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:216:23
212.06:206:23
312.16:206:23
412.16:196:23
512.16:196:22
612.16:186:22
712.16:186:22
812.16:176:22
912.16:176:22
1012.16:176:22
1112.16:166:21
1212.16:166:21
1312.16:156:21
1412.16:156:21
1512.16:156:21
1612.16:146:21
1712.16:146:21
1812.16:136:20
1912.16:136:20
2012.16:136:20
2112.16:126:20
2212.16:126:20
2312.16:126:20
2412.16:116:20
2512.16:116:20
2612.26:116:20
2712.26:106:20
2812.26:106:20
2912.26:106:20
3012.26:106:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.08 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 — April's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
Planning a trip in April

Hazard calendar for Tonga

In seasonPeak

In April, Tonga sits inside its rainy season and 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 April a good time to visit Tonga?

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

3.6
Sightseeing
12th-best month of the year
4.7
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Tonga.

What to pack for Tonga in April

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

In April, Tonga sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Tonga in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).