Cha-am weather in October

In October, Cha-am sees average daytime highs of 29°C and overnight lows near 26°C, with 253 mm of rain across 23.1 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 15% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 30 min by month's end. Set against the rest of the year, October is Cha-am's 7th-clearest and 11th-windiest month. For the whole year in context, see Cha-am's year-round climate.

Daytime high
29°
9th warmest
Overnight low
26°
5th coldest
Rainfall
253 mm
23.1 wet days
Daylight
11 h 42 min
6:14 AM – 5:56 PM
Cloud cover
74%
7th clearest
Wind
9 km/h
11th windiest
Solar energy
4.44 kWh/m²
Travel score
3.7
out of 10

Cha-am is town in Phetchaburi province, Thailand.

Density
75/km²
people per km²

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in Cha-am reaches about 29°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, October runs about 1°C cooler than September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How October really feels in Cha-am

Once humidity and wind are folded in, October averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Cha-am weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°172.611.36.9
Feb30° / 25°10211.66.4
Mar31° / 26°485.411.95.2
Apr32° / 27°538.812.34.1
May32° / 28°9117.512.63.1
Jun32° / 27°6214.312.73.4
Jul31° / 27°8116.212.73.5
Aug31° / 27°8618.312.43.4
Sep30° / 26°1402012.13.4
Oct29° / 26°25323.111.73.7
Nov29° / 26°768.611.45.5
Dec29° / 24°172.611.36.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21486
31486
41585
51585
61783
71882
81981
92080
102080
112278
122377
132476
142575
152674
162773
172872
182872
193070
203169
213367
223466
233565
243763
253862
263961
274060
284159
294258
304357
314456

Chance of precipitation in October

Any precipitation

Cha-am gets around 253 mm of rain over 23.1 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
381
481
582
682
782
882
982
1082
1181
1281
1380
1479
1578
1677
1776
1875
1974
2072
2171
2269
2367
2465
2563
2661
2759
2856
2954
3052
3150

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1005644
2005545
3005545
4015346
5015346
6015346
7015346
8015346
9015346
10015346
11015346
12015445
13015445
14015445
15025444
16025543
17125443
18125542
19125641
20135541
21135640
22145639
23155638
24265636
25275635
26295633
272105632
282125630
293135529
303155527
313165526

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2611calm
2711calm
2811calm
2911calm
3011calm
3112calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over October. Sunrise moves from 6:12 AM to 6:17 AM, and sunset from 6:06 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:126:06
211.96:136:05
311.96:136:04
411.96:136:04
511.86:136:03
611.86:136:02
711.86:136:02
811.86:136:01
911.86:136:00
1011.86:136:00
1111.86:135:59
1211.86:135:59
1311.76:135:58
1411.76:145:58
1511.76:145:57
1611.76:145:56
1711.76:145:56
1811.76:145:55
1911.76:145:55
2011.76:155:54
2111.76:155:54
2211.66:155:53
2311.66:155:53
2411.66:155:53
2511.66:165:52
2611.66:165:52
2711.66:165:51
2811.66:165:51
2911.66:175:51
3011.66:175:50
3111.56:175:50

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.44 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.33 kWh/m² in April across the year — October's 4.44 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in October

Hazard calendar for Cha-am

In seasonPeak

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

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

Cha-am's rainy season runs September–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 October a good time to visit Cha-am?

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

3.7
Sightseeing
7th-best month of the year
4.9
Beach & pool
11th-best month of the year

October is a weaker month for outdoor sightseeing in Cha-am.

What to pack for Cha-am in October

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

In October, Cha-am sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. About 23 days see rain.

light clothesrain gear

Sea temperature near Cha-am in October

The nearest coast averages about 29°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in May at about 31°C and coldest in January near 27°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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Cha-am 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 Cha-am peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 16UV 14Jan 1UV 9
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Cha-am 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 Cha-am is worst in February — around 34 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 2234 µg/m³Aug 2014 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar34Moderate
Apr31Moderate
May19Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep14Moderate
Oct22Moderate
Nov27Moderate
Dec29Moderate
Location & terrain

Where is Cha-am?

Cha-am sits at 12.8°N, 100.0°E, 5 m above sea level, in Thailand. The nearest listed city is Tha Yang, 19 km away.

Topography around Cha-am

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

Within 3 km, the terrain around Cha-am has only modest variations in elevation — a maximum elevation change of 214 m around an average of 7 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 643 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,314 m.

The land around Cha-am is covered by artificial surfaces (22%), trees (21%) and grassland (20%) within 3 km, water (41%) and trees (27%) within 16 km, and trees (46%) and water (40%) within 80 km.

3 km
214 m
16 km
643 m
80 km
1,314 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Tha Yang 19 km · Hua Hin 26 km · Phetchaburi 35 km · Pran Buri 47 km · Khao Yoi 51 km · Sam Roi Yot 60 km · Samut Songkhram 68 km · Damnoen Saduak 80 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 Cha-am (12.8°, 99.9667°, elevation 5 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).