Nong Khai weather in July

In July, Nong Khai sees average daytime highs of 32°C and overnight lows near 26°C, with 379 mm of rain across 27.4 wet days and about 13 hours of daylight. It is the 5th-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 3% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 06 min at the start of July to 12 h 48 min by month's end. Set against the rest of the year, July is Nong Khai's 10th-clearest and 7th-windiest month. For the whole year in context, see Nong Khai's year-round climate.

Daytime high
32°
5th warmest
Overnight low
26°
11th coldest
Rainfall
379 mm
27.4 wet days
Daylight
13 hours
5:45 AM – 6:44 PM
Cloud cover
91%
10th clearest
Wind
6 km/h
7th windiest
Solar energy
4.36 kWh/m²
Travel score
2.4
out of 10

Nong Khai is town in Nong Khai province, Thailand.

Density
2,042/km²
people per km²

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 32°C through the month.

A typical July day in Nong Khai reaches about 32°C in the afternoon and slips back to 26°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173226
183226
193126
203126
213126
223126
233125
243125
253125
263125
273125
283125
293125
303125
313125

How July really feels in Nong Khai

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.

Nong Khai weather by month

How July compares with the rest of the year at a glance. July is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°91.6117.0
Feb31° / 19°14211.45.7
Mar34° / 22°315.611.93.8
Apr35° / 25°6610.612.42.6
May33° / 25°24522.612.82.3
Jun32° / 26°31425.513.12.3
Jul32° / 26°37927.4132.4
Aug31° / 25°40627.912.62.4
Sep31° / 25°29724.512.12.7
Oct31° / 24°9311.511.64.2
Nov31° / 21°193.111.25.8
Dec29° / 18°81.310.97.2

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 5% of July, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
71090
8991
9991
10991
11991
12991
13991
14991
15991
16892
17793
18793
19793
20793
21892
22793
23793
24793
25793
26694
27694
28694
29694
30694
31694

Chance of precipitation in July

Any precipitation

Nong Khai gets around 379 mm of rain over 27.4 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 88% and peaks near 92% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
285
385
485
586
686
786
887
987
1087
1187
1287
1387
1487
1588
1688
1788
1889
1989
2089
2189
2290
2390
2490
2590
2691
2791
2891
2991
3092
3192

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2694
3694
4694
5694
6595
7595
8595
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24595
25595
26595
27595
28694
29694
30694
31694

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 06 min at the start of July to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:41 AM to 5:50 AM, and sunset from 6:44 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:416:44
213.15:416:44
313.15:416:44
413.05:416:44
513.05:426:44
613.05:426:44
713.05:426:44
813.05:436:44
913.05:436:44
1013.05:436:44
1113.05:446:44
1213.05:446:44
1313.05:446:44
1413.05:456:44
1513.05:456:44
1613.05:456:44
1713.05:466:44
1813.05:466:44
1913.05:466:43
2012.95:476:43
2112.95:476:43
2212.95:476:43
2312.95:486:43
2412.95:486:42
2512.95:486:42
2612.95:496:42
2712.95:496:41
2812.95:496:41
2912.85:506:41
3012.85:506:40
3112.85:506:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.36 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 6.04 kWh/m² in April across the year — July's 4.36 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in July

Hazard calendar for Nong Khai

In seasonPeak

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

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

Nong Khai's monsoon runs May–September, 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 Nong Khai?

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

2.4
Sightseeing
9th-best month of the year
3.8
Beach & pool
11th-best month of the year

July is a weaker month for outdoor sightseeing in Nong Khai.

What to pack for Nong Khai in July

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

In July, Nong Khai sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Nong Khai in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nong Khai peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Nong Khai 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 Nong Khai is worst in March — around 77 µg/m³ PM2.5 (unhealthy), about 3.4× the cleanest month (July, 23 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateMar 2376 µg/m³Jul 2123 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb44Poor
Mar77Unhealthy
Apr73Unhealthy
May32Moderate
Jun24Moderate
Jul23Moderate
Aug23Moderate
Sep24Moderate
Oct26Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Nong Khai?

Nong Khai sits at 17.9°N, 102.7°E, 168 m above sea level, in Thailand. The nearest listed city is Tha Bo, 17 km away.

Topography around Nong Khai

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

Within 3 km, the terrain around Nong Khai has only modest variations in elevation — a maximum elevation change of 31 m around an average of 168 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,489 m.

The land around Nong Khai is covered by trees (34%) and artificial surfaces (32%) within 3 km, cropland (44%) and trees (31%) within 16 km, and trees (51%) and cropland (41%) within 80 km.

3 km
31 m
16 km
47 m
80 km
1,489 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Tha Bo 17 km · Vientiane 18 km · Phon Charoen 48 km · Udon Thani 52 km · Kut Chap 54 km · Ban Dung 58 km · Nam Som 60 km · Nong Bua Lamphu 82 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 Nong Khai (17.8785°, 102.742°, elevation 168 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). 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).