Ranong weather in April

In April, Ranong sees average daytime highs of 33°C and overnight lows near 24°C, with 182 mm of rain across 19.1 wet days and about 12.2 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 18 min by month's end. Set against the rest of the year, April is Ranong's 5th-clearest and 12th-windiest month. For the whole year in context, see Ranong's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
10th coldest
Rainfall
182 mm
19.1 wet days
Daylight
12 h 12 min
6:19 AM – 6:32 PM
Cloud cover
68%
5th clearest
Wind
6 km/h
12th windiest
Solar energy
6.19 kWh/m²
Travel score
2.8
out of 10

Ranong is town in Ranong province, Thailand.

Founded
1937

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical April day in Ranong reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, April runs on par with March and about 2°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253224
263224
273224
283224
293224
303224

How April really feels in Ranong

Once humidity and wind are folded in, April averages 30 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
30
16 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Ranong weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°617.611.55.1
Feb32° / 22°33511.74.5
Mar33° / 23°10510.911.93.5
Apr33° / 24°18219.112.22.8
May31° / 24°27327.912.52.6
Jun30° / 24°2502612.63.0
Jul29° / 24°27027.512.53.0
Aug29° / 24°29227.812.33.0
Sep29° / 24°36128.112.12.9
Oct29° / 23°37328.311.83.0
Nov29° / 23°20121.211.53.7
Dec29° / 22°8611.511.45.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24456
34456
44456
54258
64258
74159
84159
94060
104060
114060
124060
134060
143961
153961
163862
173763
183763
193664
203664
213565
223367
233367
243169
253070
262971
272872
282674
292575
302476

Chance of precipitation in April

Any precipitation

Ranong gets around 182 mm of rain over 19.1 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 64% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
155
256
356
457
557
657
758
858
958
1059
1159
1259
1360
1460
1561
1662
1763
1864
1965
2066
2167
2269
2370
2471
2572
2674
2775
2877
2978
3080

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
157322
257124
357025
456827
556728
646630
746531
846333
946234
1046036
1135938
1235740
1335542
1435344
1535146
1624948
1724751
1824652
1924454
2014257
2114059
2213861
2313663
2413465
2513267
2613069
2712871
2812772
2912574
3012376

Wind in April

Winds average 6 km/h in April, the calmest month.

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

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
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 h 06 min at the start of April to 12 h 18 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 6:28 AM to 6:13 AM, and sunset from 6:33 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:286:33
212.16:276:33
312.16:266:33
412.16:266:32
512.16:256:32
612.16:256:32
712.16:246:32
812.16:246:32
912.26:236:32
1012.26:226:32
1112.26:226:32
1212.26:216:32
1312.26:216:32
1412.26:206:32
1512.26:206:32
1612.26:196:32
1712.26:196:32
1812.26:186:32
1912.26:186:32
2012.36:176:32
2112.36:176:32
2212.36:166:32
2312.36:166:32
2412.36:156:33
2512.36:156:33
2612.36:146:33
2712.36:146:33
2812.36:136:33
2912.36:136:33
3012.36:136:33

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.19 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.27 kWh/m² in March across the year — April's 6.19 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.9Bright
305.8Bright
Planning a trip in April

Hazard calendar for Ranong

In seasonPeak

In April, Ranong sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Ranong sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

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

Is April a good time to visit Ranong?

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

2.8
Sightseeing
11th-best month of the year
4.8
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Ranong.

What to pack for Ranong in April

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

In April, Ranong sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Ranong in April

The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in April at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Ranong in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ranong peaks around August 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 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 highAug 20UV 13Nov 21UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec10Very high

Air quality in Ranong 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 Ranong is worst in January — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 2318 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb18Moderate
Mar18Moderate
Apr18Moderate
May15Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Ranong?

Ranong sits at 10.0°N, 98.6°E, 38 m above sea level, in Thailand. The nearest listed city is Kawthaung, 9.0 km away.

Tha KhamSurat ThaniKo TaoKo SamuiBan Na San

Topography around Ranong

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

Within 3 km, the terrain around Ranong has significant variations in elevation — a maximum elevation change of 464 m around an average of 52 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,058 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,368 m.

The land around Ranong is covered by trees (59%) and artificial surfaces (26%) within 3 km, trees (63%) and water (23%) within 16 km, and trees (52%) and water (45%) within 80 km.

3 km
464 m
16 km
1,058 m
80 km
1,368 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Kawthaung 9.0 km · Lang Suan 49 km · Chumphon 84 km · Tha Kham 115 km · Surat Thani 120 km · Ko Tao 132 km · Ko Samui 150 km · Ban Na San 152 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 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 Ranong (9.9658°, 98.6348°, elevation 38 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. 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).