Chachoengsao weather in July

In July, Chachoengsao sees average daytime highs of 33°C and overnight lows near 26°C, with 196 mm of rain across 25.4 wet days and about 12.7 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 1% 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 Chachoengsao's 11th-clearest and 1st-windiest month. For the whole year in context, see Chachoengsao's year-round climate.

Daytime high
33°
6th warmest
Overnight low
26°
9th coldest
Rainfall
196 mm
25.4 wet days
Daylight
12 h 42 min
5:59 AM – 6:43 PM
Cloud cover
88%
11th clearest
Wind
9 km/h
1st windiest
Solar energy
4.76 kWh/m²
Travel score
2.2
out of 10

Chachoengsao is town in Chachoengsao province, Thailand.

Air quality
Elevated
PM2.5 16 µg/m³ · 2019
Founded
1549

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 33°C through the month.

A typical July day in Chachoengsao reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°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)
13326
23326
33326
43326
53326
63326
73326
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283226
293226
303226
313226

How July really feels in Chachoengsao

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
31 feel dangerously hot (≥ 39°C)
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.

Chachoengsao weather by month

How July compares with the rest of the year at a glance. July is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°183.811.34.8
Feb33° / 23°194.311.54.0
Mar35° / 25°6110.211.92.9
Apr35° / 26°9715.312.32.1
May34° / 27°19123.712.61.9
Jun33° / 27°18124.512.82.1
Jul33° / 26°19625.412.72.2
Aug33° / 26°21426.512.52.2
Sep32° / 26°29326.912.12.2
Oct32° / 25°17619.611.73.0
Nov32° / 24°335.611.44.2
Dec32° / 22°91.911.25.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% 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 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
3991
4991
5991
61090
71090
81090
91090
101090
111189
121189
131189
141189
151090
16991
17991
18892
19892
20892
21793
22793
23793
24694
25694
26595
27595
28595
29496
30496
31496

Chance of precipitation in July

Any precipitation

Chachoengsao gets around 196 mm of rain over 25.4 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 82% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
180
281
381
481
581
681
781
881
981
1081
1181
1281
1381
1481
1581
1681
1782
1882
1982
2082
2182
2283
2383
2483
2583
2683
2784
2884
2984
3085
3185

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11486
21486
31486
41486
51486
61486
71486
81387
91387
101387
111387
121387
131288
141288
151288
161288
171288
181288
191288
201288
211288
221288
231288
241288
251387
261387
271387
281387
291387
301486
311486

Wind in July

Winds average 9 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:55 AM to 6:03 AM, and sunset from 6:43 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:556:43
212.85:556:43
312.85:566:43
412.85:566:43
512.85:566:43
612.85:566:43
712.85:576:44
812.85:576:44
912.85:576:44
1012.85:586:44
1112.85:586:44
1212.85:586:44
1312.85:586:44
1412.75:596:44
1512.75:596:43
1612.75:596:43
1712.76:006:43
1812.76:006:43
1912.76:006:43
2012.76:006:43
2112.76:016:43
2212.76:016:43
2312.76:016:42
2412.76:016:42
2512.76:026:42
2612.76:026:42
2712.76:026:42
2812.66:026:41
2912.66:036:41
3012.66:036:41
3112.66:036:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.76 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6 kWh/m² in April across the year — July's 4.76 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in July

Hazard calendar for Chachoengsao

In seasonPeak

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

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

Chachoengsao's rainy season runs May–October, when most of the year's rain falls.

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

Is July a good time to visit Chachoengsao?

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

2.2
Sightseeing
7th-best month of the year
3.9
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Chachoengsao.

What to pack for Chachoengsao in July

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

In July, Chachoengsao sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Chachoengsao 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 41 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 Chachoengsao 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 Chachoengsao peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highExtremeExtremeVery highAug 15UV 13Dec 13UV 9
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May9Very high
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Chachoengsao 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 Chachoengsao is worst in January — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chachoengsao's WHO annual average of 16 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 2322 µg/m³Jun 2011 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb22Moderate
Mar18Moderate
Apr15Moderate
May13Moderate
Jun11Good
Jul12Good
Aug12Good
Sep16Moderate
Oct19Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Chachoengsao?

Chachoengsao sits at 13.7°N, 101.1°E, 4 m above sea level, in Thailand. The nearest listed city is Bang Pakong, 18 km away.

Topography around Chachoengsao

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

Within 3 km, the terrain around Chachoengsao has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,243 m.

The land around Chachoengsao is covered by trees (37%) and artificial surfaces (36%) within 3 km, cropland (43%) and trees (23%) within 16 km, and trees (37%) and cropland (26%) within 80 km.

3 km
12 m
16 km
36 m
80 km
1,243 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Bang Pakong 18 km · Phan Thong 24 km · Ban Khlong Bang Sao Thong 26 km · Nong Chok 29 km · Phanat Nikhom 30 km · Bang Bo District 30 km · Phanom Sarakham 31 km · Lat Krabang 31 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 Chachoengsao (13.6882°, 101.0716°, elevation 4 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).