Samut Prakan weather in July

In July, Samut Prakan sees average daytime highs of 31°C and overnight lows near 28°C, with 107 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 4% 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 Prakan's 11th-clearest and 4th-windiest month. For the whole year in context, see Samut Prakan's year-round climate.

Daytime high
31°
4th warmest
Overnight low
28°
9th coldest
Rainfall
107 mm
21 wet days
Daylight
12 h 42 min
6:01 AM – 6:45 PM
Cloud cover
87%
11th clearest
Wind
14 km/h
4th windiest
Solar energy
4.96 kWh/m²
Travel score
3.2
out of 10

Samut Prakan is city in Samut Prakan province, Thailand.

Air quality
High
PM2.5 25.8 µg/m³ · 2019

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 Prakan reaches about 31°C in the afternoon and slips back to 28°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°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)
13128
23128
33128
43128
53128
63128
73128
83128
93128
103128
113128
123128
133128
143128
153128
163128
173128
183128
193128
203128
213128
223128
233128
243128
253128
263128
273128
283127
293127
303127
313127

How July really feels in Samut Prakan

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 Prakan 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°15311.36.5
Feb30° / 26°122.611.56.2
Mar31° / 27°385.911.95.3
Apr32° / 28°679.712.34.2
May32° / 28°12418.212.63.2
Jun31° / 28°10020.112.83.0
Jul31° / 28°1072112.73.2
Aug31° / 27°11421.612.53.2
Sep30° / 27°21224.512.13.0
Oct30° / 26°2082111.73.7
Nov30° / 25°436.311.45.2
Dec30° / 24°101.711.26.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 6% of July, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61189
71189
81189
91189
101189
111288
121288
131288
141288
151189
161189
171189
181189
191189
201189
211090
22991
23991
24991
25892
26892
27892
28793
29793
30694
31694

Chance of precipitation in July

Any precipitation

Samut Prakan gets around 107 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 (%)
166
266
366
466
566
666
766
867
967
1067
1167
1267
1368
1468
1568
1668
1768
1868
1968
2068
2169
2269
2369
2469
2569
2669
2769
2870
2970
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 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12971
22971
32971
43070
53070
63070
73070
83169
93169
103169
113169
123169
133169
143169
153268
163268
173268
183268
193268
203268
213268
223268
233367
243367
253466
263565
273664
283664
293763
303763
313862

Wind in July

Winds average 14 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 5:57 AM to 6:05 AM, and sunset from 6:45 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:576:45
212.85:576:45
312.85:586:45
412.85:586:45
512.85:586:45
612.85:586:45
712.85:596:45
812.85:596:45
912.85:596:45
1012.86:006:45
1112.86:006:45
1212.86:006:45
1312.76:006:45
1412.76:016:45
1512.76:016:45
1612.76:016:45
1712.76:026:45
1812.76:026:45
1912.76:026:45
2012.76:026:45
2112.76:036:45
2212.76:036:44
2312.76:036:44
2412.76:036:44
2512.76:046:44
2612.76:046:44
2712.76:046:43
2812.66:046:43
2912.66:056:43
3012.66:056:43
3112.66:056:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.96 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.31 kWh/m² in April across the year — July's 4.96 kWh/m² falls in the middle.

0246151015202531
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
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
314.7Bright
Planning a trip in July

Hazard calendar for Samut Prakan

In seasonPeak

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

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

Samut Prakan'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 Prakan?

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

3.2
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 Prakan.

What to pack for Samut Prakan in July

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

In July, Samut Prakan sees daytime highs around 31°C and nights near 28°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Samut Prakan 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 25 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
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Samut Prakan 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 Prakan 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 Prakan 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 Prakan is worst in January — around 40 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (August, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Samut Prakan's WHO annual average of 25.8 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1539 µg/m³Aug 1016 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb34Moderate
Mar24Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul16Moderate
Aug16Moderate
Sep21Moderate
Oct31Moderate
Nov35Poor
Dec36Poor
Location & terrain

Where is Samut Prakan?

Samut Prakan sits at 13.6°N, 100.6°E, 2 m above sea level, in Thailand. The nearest listed city is Bang Na, 9.0 km away.

Topography around Samut Prakan

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

Within 3 km, the terrain around Samut Prakan has only modest variations in elevation — a maximum elevation change of 13 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 39 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.

The land around Samut Prakan is covered by artificial surfaces (58%) within 3 km, artificial surfaces (43%) and water (33%) within 16 km, and water (33%), cropland (24%) and trees (20%) within 80 km.

3 km
13 m
16 km
39 m
80 km
874 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
July weather nearby: Bang Na 9.0 km · Phra Pradaeng 10 km · Thung Khru 10 km · Phra Khanong 12 km · Chong Nonsi 12 km · Yan Nawa 12 km · Khlong Toei 13 km · Rat Burana 14 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 Prakan (13.5976°, 100.5972°, elevation 2 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).