Pai weather in October

In October, Pai sees average daytime highs of 28°C and overnight lows near 20°C, with 116 mm of rain across 17.6 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 24% of the time in October, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of October to 11 h 18 min by month's end. Set against the rest of the year, October is Pai's 7th-clearest and 10th-windiest month. For the whole year in context, see Pai's year-round climate.

Daytime high
28°
8th warmest
Overnight low
20°
6th coldest
Rainfall
116 mm
17.6 wet days
Daylight
11 h 36 min
6:25 AM – 5:58 PM
Cloud cover
63%
7th clearest
Wind
4 km/h
10th windiest
Solar energy
4.42 kWh/m²
Travel score
4.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical October day in Pai reaches about 28°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 26°C and 30°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172820
182820
192820
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302818
312818

How October really feels in Pai

Once humidity and wind are folded in, October 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

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

Pai weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 12°162.4118.2
Feb30° / 13°71.411.36.6
Mar32° / 16°213.311.94.8
Apr33° / 20°607.712.43.7
May31° / 21°19320.712.93.3
Jun29° / 22°22125.413.13.1
Jul29° / 22°28727.713.13.2
Aug28° / 21°3212912.73.1
Sep29° / 21°24825.612.13.4
Oct28° / 20°11617.611.64.9
Nov27° / 17°376.611.17.2
Dec26° / 14°163.210.98.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 24% of October, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22971
33070
43268
53367
63565
73664
83763
93961
104159
114357
124456
134654
144852
154951
165050
175248
185347
195446
205545
215545
225644
235743
245743
255842
265842
275941
285941
296040
306040
316139

Chance of precipitation in October

Any precipitation

Pai gets around 116 mm of rain over 17.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
275
374
473
572
671
769
868
966
1064
1163
1261
1359
1458
1556
1654
1752
1851
1949
2048
2147
2246
2346
2445
2544
2643
2742
2841
2940
3039
3138

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10124750
20134848
30135046
40135244
50145342
60145639
70145837
80146035
90146233
100146431
110156529
120156628
130156826
140157024
150157123
160157321
171157419
181167418
191167517
201167715
211277614
221287613
231287712
2413107511
2513117510
261412749
271414738
282516707
292617687
302719666
312721646

Wind in October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over October. Sunrise moves from 6:20 AM to 6:31 AM, and sunset from 6:10 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:206:10
211.86:216:09
311.86:216:08
411.86:216:07
511.86:216:07
611.76:226:06
711.76:226:05
811.76:226:04
911.76:236:03
1011.76:236:02
1111.66:236:02
1211.66:236:01
1311.66:246:00
1411.66:245:59
1511.66:245:59
1611.66:255:58
1711.56:255:57
1811.56:255:56
1911.56:265:56
2011.56:265:55
2111.56:275:54
2211.46:275:54
2311.46:275:53
2411.46:285:52
2511.46:285:52
2611.46:295:51
2711.46:295:51
2811.36:305:50
2911.36:305:50
3011.36:305:49
3111.36:315:49

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.42 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 6.38 kWh/m² in April across the year — October's 4.42 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.4Bright
Planning a trip in October

Hazard calendar for Pai

In seasonPeak

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

Pai's monsoon runs May–September, when most of the year's rain falls.

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

Is October a good time to visit Pai?

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

4.9
Sightseeing
5th-best month of the year
5.8
Beach & pool
7th-best month of the year

October is a reasonable time to visit Pai for sightseeing.

What to pack for Pai in October

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

In October, Pai sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. About 18 days see rain.

light clothesrain gear

UV index in Pai in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pai peaks around August 12 at about 14 (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 12UV 14Dec 22UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar10Very high
Apr10Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Pai in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Pai is worst in March — around 90 µg/m³ PM2.5 (unhealthy), about 9.6× the cleanest month (October, 9 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodMar 1985 µg/m³Oct 249 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb35Moderate
Mar90Unhealthy
Apr57Unhealthy
May20Moderate
Jun11Good
Jul10Good
Aug10Good
Sep10Good
Oct9Good
Nov9Good
Dec11Good
Location & terrain

Where is Pai?

Pai sits at 19.4°N, 98.4°E, 0 m above sea level, in Thailand. The nearest listed city is Chiang Mai, 86 km away.

San Pa TongSan KamphaengLamphunPa SangLoikawPhayao

Topography around Pai

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

Within 3 km, the terrain around Pai has significant variations in elevation — a maximum elevation change of 444 m around an average of 563 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,543 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,997 m.

The land around Pai is covered by trees (48%), grassland (23%) and cropland (21%) within 3 km, trees (86%) within 16 km, and trees (91%) within 80 km.

3 km
444 m
16 km
1,543 m
80 km
1,997 m
treesgrasslandcroplandartificial surfaces
October weather nearby: Chiang Mai 86 km · Hang Dong 90 km · San Pa Tong 95 km · San Kamphaeng 99 km · Lamphun 105 km · Pa Sang 107 km · Loikaw 134 km · Phayao 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 Pai (19.3617°, 98.4397°, elevation 0 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).