Bang Saphan weather in April

In April, Bang Saphan sees average daytime highs of 31°C and overnight lows near 26°C, with 94 mm of rain across 16 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 33% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is Bang Saphan's 5th-clearest and 12th-windiest month. For the whole year in context, see Bang Saphan's year-round climate.

Daytime high
31°
1st warmest
Overnight low
26°
11th coldest
Rainfall
94 mm
16 wet days
Daylight
12 h 12 min
6:15 AM – 6:30 PM
Cloud cover
56%
5th clearest
Wind
8 km/h
12th windiest
Solar energy
6.12 kWh/m²
Travel score
3.9
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical April day in Bang Saphan reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13026
23026
33026
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126

How April really feels in Bang Saphan

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
heat index over the day's high
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.

Bang Saphan weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°445.711.46.9
Feb29° / 24°235.111.66.4
Mar30° / 25°7310.811.95.2
Apr31° / 26°941612.23.9
May31° / 26°16924.512.53.0
Jun30° / 26°15923.112.63.2
Jul30° / 25°18325.112.63.2
Aug30° / 25°1802512.43.2
Sep29° / 25°20425.712.13.1
Oct29° / 25°23825.511.73.5
Nov29° / 25°10612.411.55.2
Dec28° / 24°425.811.46.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35941
45842
55941
65842
75743
85743
95743
105644
115644
125644
135644
145644
155545
165545
175446
185347
195347
205248
215050
225050
234852
244753
254654
264654
274456
284258
294159
303961

Chance of precipitation in April

Any precipitation

Bang Saphan gets around 94 mm of rain over 16 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 54% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
149
248
348
448
548
648
748
848
948
1049
1149
1250
1350
1451
1551
1652
1753
1854
1955
2056
2157
2259
2360
2461
2562
2663
2765
2866
2967
3069

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
112772
212673
312574
412475
502377
602377
702278
802278
902278
1002179
1102080
1201981
1301882
1401783
1501684
1601585
1701486
1801387
1901288
2001189
2101090
220991
230991
240892
250793
260793
270793
280793
290793
300793

Wind in April

Winds average 8 km/h in April, the calmest month.

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

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 6:24 AM to 6:08 AM, and sunset from 6:29 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:246:29
212.16:236:29
312.16:236:29
412.16:226:29
512.16:216:29
612.16:216:29
712.26:206:29
812.26:196:29
912.26:196:29
1012.26:186:29
1112.26:186:29
1212.26:176:29
1312.26:166:30
1412.26:166:30
1512.26:156:30
1612.26:156:30
1712.36:146:30
1812.36:146:30
1912.36:136:30
2012.36:136:30
2112.36:126:30
2212.36:126:30
2312.36:116:30
2412.36:116:30
2512.36:106:30
2612.36:106:30
2712.46:096:30
2812.46:096:31
2912.46:086:31
3012.46:086:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.12 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.12 kWh/m² in April across the year — April's 6.12 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Intense
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
Planning a trip in April

Hazard calendar for Bang Saphan

In seasonPeak

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

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

Bang Saphan's rainy season runs May–October, 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 Bang Saphan?

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

3.9
Sightseeing
6th-best month of the year
5.7
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Bang Saphan.

What to pack for Bang Saphan in April

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

In April, Bang Saphan sees daytime highs around 31°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Bang Saphan 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 16 km away) is warmest in May 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
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Bang Saphan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bang Saphan peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 18UV 14Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Bang Saphan 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 Bang Saphan is worst in January — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 2121 µg/m³Sep 1611 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar19Moderate
Apr19Moderate
May14Moderate
Jun12Moderate
Jul14Moderate
Aug12Good
Sep11Good
Oct11Good
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Bang Saphan?

Bang Saphan sits at 11.2°N, 99.5°E, 12 m above sea level, in Thailand. The nearest listed city is Prachuap Khiri Khan, 74 km away.

Kui BuriSam Roi YotKo TaoPran BuriLang SuanHua Hin

Topography around Bang Saphan

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

Within 3 km, the terrain around Bang Saphan has only modest variations in elevation — a maximum elevation change of 130 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 441 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,215 m.

The land around Bang Saphan is covered by trees (62%) within 3 km, trees (51%) and water (43%) within 16 km, and trees (62%) and water (36%) within 80 km.

3 km
130 m
16 km
441 m
80 km
1,215 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Prachuap Khiri Khan 74 km · Chumphon 88 km · Kui Buri 104 km · Sam Roi Yot 124 km · Ko Tao 130 km · Pran Buri 137 km · Lang Suan 149 km · Hua Hin 159 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 Bang Saphan (11.2126°, 99.5117°, elevation 12 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).