Pa Sang weather in April

In April, Pa Sang sees average daytime highs of 37°C and overnight lows near 24°C, with 45 mm of rain across 7.1 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 62% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 36 min by month's end. Set against the rest of the year, April is Pa Sang's 5th-clearest and 3rd-windiest month. For the whole year in context, see Pa Sang's year-round climate.

Daytime high
37°
1st warmest
Overnight low
24°
8th coldest
Rainfall
45 mm
7.1 wet days
Daylight
12 h 24 min
6:12 AM – 6:37 PM
Cloud cover
39%
5th clearest
Wind
5 km/h
3rd windiest
Solar energy
6.27 kWh/m²
Travel score
1.8
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 Pa Sang reaches about 37°C in the afternoon and slips back to 24°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 33°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)
13622
23723
33723
43723
53723
63723
73723
83723
93724
103724
113724
123724
133724
143724
153724
163724
173724
183724
193725
203725
213725
223725
233725
243725
253725
263725
273625
283625
293625
303625

How April really feels in Pa Sang

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
22 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.

Pa Sang 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
Jan30° / 16°81.6116.5
Feb33° / 17°40.911.44.7
Mar35° / 20°172.611.92.9
Apr37° / 24°457.112.41.8
May35° / 25°13015.512.92.2
Jun33° / 25°12818.113.12.4
Jul33° / 25°15420.4132.6
Aug32° / 25°21423.412.62.7
Sep32° / 24°22622.912.12.7
Oct31° / 23°13117.711.63.7
Nov30° / 20°295.411.15.6
Dec29° / 17°111.710.97.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38515
48416
58416
68317
78317
88119
98119
108020
118020
127822
137822
147723
157723
167624
177624
187525
197525
207426
217327
227327
237228
247228
257030
266931
276832
286733
296634
306436

Chance of precipitation in April

Any precipitation

Pa Sang gets around 45 mm of rain over 7.1 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 23% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
111
211
312
412
513
614
715
816
916
1017
1118
1219
1320
1420
1521
1622
1724
1825
1926
2027
2129
2230
2331
2432
2533
2635
2736
2837
2938
3038

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111638397
211538407
301437408
401337419
5012364110
6012354211
7011354212
8010344313
909334314
1008324316
1108314417
1207304418
1306294519
1406284620
1505274621
1605254722
1705244823
1804234825
1904224826
2004214927
2103204928
2203194830
2303184831
2402174733
2502164735
2602154637
2702144540
2802134342
2902124244
3001114147

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 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 24 minutes over April. Sunrise moves from 6:24 AM to 6:02 AM, and sunset from 6:34 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:246:34
212.26:236:34
312.26:226:34
412.26:226:34
512.26:216:34
612.26:206:35
712.36:196:35
812.36:186:35
912.36:176:35
1012.36:176:36
1112.36:166:36
1212.46:156:36
1312.46:146:36
1412.46:136:37
1512.46:136:37
1612.46:126:37
1712.46:116:37
1812.56:106:38
1912.56:106:38
2012.56:096:38
2112.56:086:38
2212.56:076:39
2312.56:076:39
2412.66:066:39
2512.66:056:40
2612.66:056:40
2712.66:046:40
2812.66:036:40
2912.66:036:41
3012.66:026:41

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.27 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 6.29 kWh/m² in March across the year — April's 6.27 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
Planning a trip in April

Hazard calendar for Pa Sang

In seasonPeak

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

Pa Sang'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 Pa Sang?

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

1.8
Sightseeing
12th-best month of the year
4.9
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Pa Sang.

What to pack for Pa Sang in April

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

In April, Pa Sang sees daytime highs around 37°C and nights near 24°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Pa Sang 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 Pa Sang peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 13UV 13Dec 22UV 7
UV index (midday)Level
Jan7Very high
Feb10Very high
Mar9Very high
Apr10Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Pa Sang 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 Pa Sang is worst in March — around 69 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (July, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyModerateMar 2067 µg/m³Jul 1216 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb46Poor
Mar69Unhealthy
Apr61Unhealthy
May28Moderate
Jun16Moderate
Jul16Moderate
Aug17Moderate
Sep21Moderate
Oct25Moderate
Nov28Moderate
Dec32Moderate
Location & terrain

Where is Pa Sang?

Pa Sang sits at 18.5°N, 98.9°E, 295 m above sea level, in Thailand. The nearest listed city is Lamphun, 9.0 km away.

ThoenPai

Topography around Pa Sang

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

Within 3 km, the terrain around Pa Sang has only modest variations in elevation — a maximum elevation change of 20 m around an average of 292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,375 m.

The land around Pa Sang is covered by trees (46%) and cropland (34%) within 3 km, trees (51%) and cropland (29%) within 16 km, and trees (81%) within 80 km.

3 km
20 m
16 km
363 m
80 km
2,375 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Lamphun 9.0 km · San Pa Tong 12 km · Hang Dong 18 km · Chiang Mai 30 km · San Kamphaeng 31 km · Lampang 64 km · Thoen 106 km · Pai 107 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 Pa Sang (18.5262°, 98.9394°, elevation 295 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).