Ratchaburi weather in June

In June, Ratchaburi sees average daytime highs of 34°C and overnight lows near 27°C, with 114 mm of rain across 20.5 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 2% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of June to 12 h 48 min by month's end. Set against the rest of the year, June is Ratchaburi's 10th-clearest and 6th-windiest month. For the whole year in context, see Ratchaburi's year-round climate.

Daytime high
34°
4th warmest
Overnight low
27°
11th coldest
Rainfall
114 mm
20.5 wet days
Daylight
12 h 48 min
5:57 AM – 6:45 PM
Cloud cover
88%
10th clearest
Wind
7 km/h
6th windiest
Solar energy
4.92 kWh/m²
Travel score
2.1
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 June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical June day in Ratchaburi reaches about 34°C in the afternoon and slips back to 27°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, June runs about 1°C cooler than May and about 1°C warmer than July.

25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13427
23427
33427
43427
53427
63427
73427
83427
93427
103427
113427
123427
133427
143427
153427
163427
173427
183427
193427
203427
213427
223426
233426
243426
253426
263426
273426
283426
293426
303326

How June really feels in Ratchaburi

Once humidity and wind are folded in, June 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 June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ratchaburi weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 6th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 6% of June, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9793
10793
11892
12892
13892
14892
15892
16892
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29892
30892

Chance of precipitation in June

Any precipitation

Ratchaburi gets around 114 mm of rain over 20.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
178
277
376
476
575
673
772
871
970
1069
1168
1267
1366
1466
1565
1665
1765
1865
1965
2065
2165
2265
2365
2466
2566
2666
2766
2867
2967
3067

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
103565
203565
303565
403565
503664
603763
713861
813960
914158
1014257
1114455
1214554
1314752
1414950
1515148
1615346
1715445
1815643
1915841
2015940
2116039
2216237
2316336
2416336
2516435
2606634
2706634
2806634
2906634
3006634

Wind in June

Winds average 7 km/h in June.

Across June, daily wind ranges from about 7 km/h on the calmest days to 8 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
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 42 min at the start of June to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:56 AM to 6:00 AM, and sunset from 6:40 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:566:40
212.75:566:41
312.75:566:41
412.85:566:41
512.85:566:42
612.85:566:42
712.85:566:42
812.85:566:43
912.85:566:43
1012.85:566:43
1112.85:576:43
1212.85:576:44
1312.85:576:44
1412.85:576:44
1512.85:576:45
1612.85:576:45
1712.85:576:45
1812.85:586:45
1912.85:586:46
2012.85:586:46
2112.85:586:46
2212.85:586:46
2312.85:586:46
2412.85:596:47
2512.85:596:47
2612.85:596:47
2712.85:596:47
2812.86:006:47
2912.86:006:47
3012.86:006:48

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.92 kWh/m².

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 — June's 4.92 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in June

Hazard calendar for Ratchaburi

In seasonPeak

In June, 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 June a good time to visit Ratchaburi?

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

2.1
Sightseeing
10th-best month of the year
4.2
Beach & pool
9th-best month of the year

June is a weaker month for outdoor sightseeing in Ratchaburi.

What to pack for Ratchaburi in June

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

In June, Ratchaburi sees daytime highs around 34°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Ratchaburi in June

The nearest coast averages about 30°C in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 12 (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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).