Ratchaburi weather in October

In October, Ratchaburi sees average daytime highs of 32°C and overnight lows near 25°C, with 188 mm of rain across 21.1 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 15% of the time in October, and the air most often feels miserable.

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 Ratchaburi's 7th-clearest and 11th-windiest month. For the whole year in context, see Ratchaburi's year-round climate.

Daytime high
32°
9th warmest
Overnight low
25°
6th coldest
Rainfall
188 mm
21.1 wet days
Daylight
11 h 42 min
6:15 AM – 5:57 PM
Cloud cover
72%
7th clearest
Wind
6 km/h
11th windiest
Solar energy
4.41 kWh/m²
Travel score
3.2
out of 10

Ratchaburi is town in Ratchaburi province, Thailand.

Air quality
High
PM2.5 30 µg/m³ · 2019
Density
10,626/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 32°C through the month.

A typical October day in Ratchaburi reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°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, October runs about 1°C cooler than September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283124
293124
303124
313124

How October really feels in Ratchaburi

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
8 feel dangerously hot (≥ 39°C)
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.

Ratchaburi weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°122.211.35.3
Feb33° / 23°102.411.54.2
Mar35° / 25°376.411.93.0
Apr36° / 27°6811.212.31.9
May35° / 27°12721.912.61.7
Jun34° / 27°11420.512.82.1
Jul33° / 26°13322.112.72.3
Aug33° / 26°14323.112.42.4
Sep32° / 26°19724.112.12.3
Oct32° / 25°18821.111.73.2
Nov31° / 24°456.411.44.6
Dec31° / 22°102.211.25.5

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 15% of October, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31684
41684
51783
61882
71882
82080
92080
102278
112278
122476
132575
142872
152971
162971
173070
183367
193466
203466
213664
223763
233763
243961
254060
264159
274258
284456
294555
304555
314753

Chance of precipitation in October

Any precipitation

Ratchaburi gets around 188 mm of rain over 21.1 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 66% and peaks near 83% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
383
483
583
682
782
881
980
1079
1177
1276
1374
1472
1570
1668
1766
1865
1963
2061
2159
2258
2356
2454
2552
2650
2748
2846
2943
3041
3139

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1001882
2001783
3001783
4001783
5011782
6011881
7011881
8011881
9011980
10012079
11012178
12012277
13012376
14012475
15012673
16022771
17022969
18123067
19123166
20133363
21143461
22153559
23163657
24273655
25293752
263103749
274123747
284143844
295153842
306163840
316183837

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:13 AM to 6:19 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)
111.96:136:06
211.96:136:05
311.96:136:05
411.86:146:04
511.86:146:03
611.86:146:03
711.86:146:02
811.86:146:01
911.86:146:01
1011.86:146:00
1111.86:145:59
1211.76:145:59
1311.76:155:58
1411.76:155:58
1511.76:155:57
1611.76:155:57
1711.76:155:56
1811.76:155:55
1911.76:165:55
2011.66:165:54
2111.66:165:54
2211.66:165:53
2311.66:165:53
2411.66:175:53
2511.66:175:52
2611.66:175:52
2711.66:185:51
2811.66:185:51
2911.56:185:51
3011.56:185:50
3111.56:195:50

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.41 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.21 kWh/m² in April across the year — October's 4.41 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in October

Hazard calendar for Ratchaburi

In seasonPeak

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

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

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

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

Is October a good time to visit Ratchaburi?

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

3.2
Sightseeing
5th-best month of the year
4.9
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Ratchaburi.

What to pack for Ratchaburi in October

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

In October, Ratchaburi sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. About 21 days see rain.

light clothesrain gear

Sea temperature near Ratchaburi 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 38 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
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Ratchaburi in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Ratchaburi peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 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 15UV 13Nov 20UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec9Very high

Air quality in Ratchaburi 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 Ratchaburi is worst in February — around 44 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 17 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Ratchaburi's WHO annual average of 30 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1844 µg/m³Aug 1017 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb44Poor
Mar43Poor
Apr33Moderate
May23Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep21Moderate
Oct33Moderate
Nov35Moderate
Dec34Moderate
Location & terrain

Where is Ratchaburi?

Ratchaburi sits at 13.5°N, 99.8°E, 8 m above sea level, in Thailand. The nearest listed city is Damnoen Saduak, 15 km away.

Topography around Ratchaburi

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

Within 3 km, the terrain around Ratchaburi has only modest variations in elevation — a maximum elevation change of 43 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, large variations in elevation — a maximum elevation change of 1,189 m.

The land around Ratchaburi is covered by artificial surfaces (47%) and trees (27%) within 3 km, trees (50%) and cropland (29%) within 16 km, and trees (44%) and cropland (25%) within 80 km.

3 km
43 m
16 km
231 m
80 km
1,189 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Damnoen Saduak 15 km · Photharam 18 km · Bang Phae 21 km · Ban I Chang 21 km · Samut Songkhram 24 km · Chom Bueng 26 km · Ban Pong 32 km · Ban Phaeo 32 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 Ratchaburi (13.5367°, 99.8171°, elevation 8 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).