Thap Khlo weather in April

In April, Thap Khlo sees average daytime highs of 37°C and overnight lows near 26°C, with 68 mm of rain across 10.8 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 37°C through the month. The sky is clear or mostly clear about 45% 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 36 min by month's end. Set against the rest of the year, April is Thap Khlo's 6th-clearest and 1st-windiest month. For the whole year in context, see Thap Khlo's year-round climate.

Daytime high
37°
1st warmest
Overnight low
26°
11th coldest
Rainfall
68 mm
10.8 wet days
Daylight
12 h 24 min
6:07 AM – 6:29 PM
Cloud cover
50%
6th clearest
Wind
7 km/h
1st windiest
Solar energy
6.31 kWh/m²
Travel score
1.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 37°C through the month.

A typical April day in Thap Khlo reaches about 37°C in the afternoon and slips back to 26°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 40°C. Set against its neighbours, April runs about 1°C warmer than March and about 2°C warmer than May.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
13726
23726
33726
43726
53726
63726
73726
83726
93726
103726
113726
123726
133726
143727
153727
163727
173727
183727
193727
203727
213727
223727
233727
243727
253727
263727
273727
283727
293727
303627

How April really feels in Thap Khlo

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
30 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.

Thap Khlo weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°122.311.15.0
Feb34° / 22°122.611.53.8
Mar36° / 25°366.211.92.3
Apr37° / 26°6810.812.41.6
May35° / 27°19022.712.71.6
Jun34° / 26°20725.212.91.9
Jul33° / 26°24226.912.92.1
Aug32° / 26°31228.812.52.1
Sep32° / 25°33227.712.12.2
Oct32° / 25°15217.911.63.2
Nov32° / 22°304.611.24.5
Dec31° / 20°91.511.15.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67129
76931
86931
96832
106832
116733
126733
136634
146535
156535
166436
176436
186337
196337
206139
216040
226040
235941
245842
255842
265743
275545
285446
295248
305149

Chance of precipitation in April

Any precipitation

Thap Khlo gets around 68 mm of rain over 10.8 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 37% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
330
430
530
630
730
830
930
1030
1131
1231
1331
1432
1532
1633
1734
1835
1937
2038
2139
2241
2342
2444
2545
2647
2748
2850
2952
3054

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1316738
2315739
33147310
42137510
52137411
62127412
72127313
82127214
92117215
101117216
111117117
121107118
131107019
14197020
15196921
16097021
17087022
18086923
19076825
20066826
21066727
22056629
23056431
24056332
25046234
26046036
27045739
28035641
29035443
30035146

Wind in April

Winds average 7 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 7 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
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:18 AM to 5:58 AM, and sunset from 6:26 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:186:26
212.26:176:26
312.26:176:27
412.26:166:27
512.26:156:27
612.26:146:27
712.26:146:27
812.26:136:27
912.36:126:28
1012.36:116:28
1112.36:116:28
1212.36:106:28
1312.36:096:28
1412.36:086:28
1512.36:086:29
1612.46:076:29
1712.46:066:29
1812.46:066:29
1912.46:056:29
2012.46:046:30
2112.46:046:30
2212.56:036:30
2312.56:026:30
2412.56:026:30
2512.56:016:31
2612.56:006:31
2712.56:006:31
2812.55:596:31
2912.55:596:32
3012.65:586:32

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.31 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.31 kWh/m² in April across the year — April's 6.31 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
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
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in April

Hazard calendar for Thap Khlo

In seasonPeak

None of Thap Khlo's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Thap Khlo's monsoon runs May–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Thap Khlo?

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

1.6
Sightseeing
11th-best month of the year
4.2
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Thap Khlo.

What to pack for Thap Khlo in April

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

In April, Thap Khlo sees daytime highs around 37°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Thap Khlo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thap Khlo peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 14UV 13Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar11Extreme
Apr10Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Thap Khlo 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 Thap Khlo is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (June, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1355 µg/m³Jun 2223 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb52Poor
Mar56Unhealthy
Apr46Poor
May32Moderate
Jun23Moderate
Jul24Moderate
Aug24Moderate
Sep28Moderate
Oct34Moderate
Nov38Poor
Dec42Poor
Location & terrain

Where is Thap Khlo?

Thap Khlo sits at 16.2°N, 100.6°E, 51 m above sea level, in Thailand. The nearest listed city is Taphan Hin, 20 km away.

Topography around Thap Khlo

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

Within 3 km, the terrain around Thap Khlo has only modest variations in elevation — a maximum elevation change of 30 m around an average of 46 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 232 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,324 m.

The land around Thap Khlo is covered by cropland (77%) within 3 km, cropland (81%) within 16 km, and cropland (67%) and trees (30%) within 80 km.

3 km
30 m
16 km
232 m
80 km
1,324 m
treesgrasslandcroplandartificial surfaces
April weather nearby: Taphan Hin 20 km · Bang Mun Nak 27 km · Chon Daen 28 km · Phichit 41 km · Nong Phai 53 km · Bang Krathum 56 km · Phetchabun 67 km · Nakhon Sawan 71 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 Thap Khlo (16.16°, 100.5966°, elevation 51 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).