Samut Sakhon weather in July

In July, Samut Sakhon sees average daytime highs of 31°C and overnight lows near 27°C, with 114 mm of rain across 21 wet days and about 12.7 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of July to 12 h 36 min by month's end. Set against the rest of the year, July is Samut Sakhon's 11th-clearest and 4th-windiest month. For the whole year in context, see Samut Sakhon's year-round climate.

Daytime high
31°
4th warmest
Overnight low
27°
9th coldest
Rainfall
114 mm
21 wet days
Daylight
12 h 42 min
6:03 AM – 6:46 PM
Cloud cover
88%
11th clearest
Wind
12 km/h
4th windiest
Solar energy
4.89 kWh/m²
Travel score
3.1
out of 10

Samut Sakhon is city in Samut Sakhon province, Thailand.

Air quality
High
PM2.5 29 µg/m³ · 2019
Density
6,147/km²
people per km²
Founded
1548

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical July day in Samut Sakhon reaches about 31°C in the afternoon and slips back to 27°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, July runs on par with June and on par with August.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13127
23127
33127
43127
53127
63127
73127
83127
93127
103127
113127
123127
133127
143127
153127
163127
173127
183127
193127
203127
213127
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How July really feels in Samut Sakhon

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

Samut Sakhon weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°152.711.36.5
Feb30° / 25°122.611.56.2
Mar31° / 27°436.411.95.2
Apr32° / 28°749.712.34.1
May32° / 28°13720.412.63.0
Jun31° / 28°11120.812.82.9
Jul31° / 27°1142112.73.1
Aug31° / 27°12522.112.53.1
Sep30° / 27°21924.512.12.9
Oct30° / 26°22721.511.73.6
Nov30° / 25°506.711.45.2
Dec30° / 24°112.211.26.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
71090
81189
91189
101189
111189
121189
131189
141189
151189
161189
171090
181090
191090
201090
21991
22892
23892
24793
25793
26793
27694
28694
29694
30694
31694

Chance of precipitation in July

Any precipitation

Samut Sakhon gets around 114 mm of rain over 21 wet days in July. 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 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
165
265
365
465
565
666
766
866
967
1067
1168
1268
1368
1468
1568
1668
1768
1869
1969
2069
2169
2269
2369
2469
2570
2670
2770
2870
2971
3071
3171

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14456
24456
34555
44555
54555
64555
74555
84555
94555
104555
114555
124555
134555
144654
154654
164753
174852
184951
194951
205050
215149
225248
235347
245446
255446
265545
275644
285743
295842
305842
315842

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 48 min at the start of July to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:59 AM to 6:07 AM, and sunset from 6:46 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:596:46
212.85:596:46
312.85:596:46
412.85:596:46
512.86:006:46
612.86:006:46
712.86:006:46
812.86:006:47
912.86:016:47
1012.86:016:47
1112.86:016:47
1212.76:026:47
1312.76:026:47
1412.76:026:46
1512.76:026:46
1612.76:036:46
1712.76:036:46
1812.76:036:46
1912.76:046:46
2012.76:046:46
2112.76:046:46
2212.76:046:46
2312.76:056:45
2412.76:056:45
2512.76:056:45
2612.76:056:45
2712.66:066:45
2812.66:066:44
2912.66:066:44
3012.66:066:44
3112.66:076:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.89 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.33 kWh/m² in April across the year — July's 4.89 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in July

Hazard calendar for Samut Sakhon

In seasonPeak

In July, Samut Sakhon sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Samut Sakhon sits in the Pacific typhoon belt; the season peaks July–October.

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

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

Is July a good time to visit Samut Sakhon?

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

3.1
Sightseeing
8th-best month of the year
4.7
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Samut Sakhon.

What to pack for Samut Sakhon in July

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

In July, Samut Sakhon sees daytime highs around 31°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 Samut Sakhon in July

The nearest coast averages about 30°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 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 Samut Sakhon in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Samut Sakhon peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 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 16UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct9Very high
Nov8Very high
Dec8Very high

Air quality in Samut Sakhon in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Samut Sakhon is worst in January — around 45 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (August, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Samut Sakhon's WHO annual average of 29 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1544 µg/m³Aug 1018 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb38Poor
Mar27Moderate
Apr24Moderate
May21Moderate
Jun18Moderate
Jul18Moderate
Aug18Moderate
Sep23Moderate
Oct34Moderate
Nov40Poor
Dec40Poor
Location & terrain

Where is Samut Sakhon?

Samut Sakhon sits at 13.5°N, 100.3°E, 14 m above sea level, in Thailand. The nearest listed city is Krathum Baen, 12 km away.

Topography around Samut Sakhon

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

Within 3 km, the terrain around Samut Sakhon has only modest variations in elevation — a maximum elevation change of 16 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, large variations in elevation — a maximum elevation change of 638 m.

The land around Samut Sakhon is covered by artificial surfaces (57%) and trees (22%) within 3 km, water (41%), trees (22%) and artificial surfaces (20%) within 16 km, and water (34%), cropland (25%) and trees (20%) within 80 km.

3 km
16 m
16 km
42 m
80 km
638 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
July weather nearby: Krathum Baen 12 km · Ban Samae Dam 13 km · Bang Bon Nuea 15 km · Ban Khlong Bang Bon 15 km · Bangbontai 15 km · Ban Khlong Bang Phran 18 km · Bang Bon 18 km · Ban Phaeo 19 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 Samut Sakhon (13.5475°, 100.2736°, elevation 14 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).