Chiang Rai weather in June

In June, Chiang Rai sees average daytime highs of 31°C and overnight lows near 24°C, with 297 mm of rain across 26.2 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 3rd-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 2% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of June to 13 h 12 min by month's end. Set against the rest of the year, June is Chiang Rai's 10th-clearest and 2nd-windiest month. For the whole year in context, see Chiang Rai's year-round climate.

Daytime high
31°
4th warmest
Overnight low
24°
12th coldest
Rainfall
297 mm
26.2 wet days
Daylight
13 h 12 min
5:45 AM – 6:57 PM
Cloud cover
91%
10th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.74 kWh/m²
Travel score
2.5
out of 10

Chiang Rai is city in Chiang Rai province, Thailand.

Air quality
Very high
PM2.5 37 µg/m³ · 2019
Density
1,294/km²
people per km²
Founded
1936

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 31°C through the month.

A typical June day in Chiang Rai reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°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, June runs on par with May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How June really feels in Chiang Rai

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
heat index over the day's high
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.

Chiang Rai weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°22310.97.7
Feb31° / 15°132.411.35.9
Mar33° / 18°425.111.94.1
Apr34° / 21°13211.812.43.1
May32° / 23°29222.812.92.8
Jun31° / 24°29726.213.22.5
Jul31° / 24°39828.413.12.6
Aug30° / 24°38328.812.72.6
Sep30° / 23°29525.112.13.0
Oct30° / 22°13917.811.54.4
Nov28° / 18°496.711.16.7
Dec26° / 15°273.710.88.0

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 3% of June, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21090
31090
4892
5892
6793
7694
8694
9595
10694
11694
12595
13595
14595
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26496
27595
28595
29595
30595

Chance of precipitation in June

Any precipitation

Chiang Rai gets around 297 mm of rain over 26.2 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 88% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
287
387
488
589
689
789
889
989
1089
1189
1289
1389
1488
1588
1688
1787
1887
1987
2086
2186
2286
2386
2486
2586
2687
2787
2887
2987
3088

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
137027
226929
326830
426632
516633
616633
716534
816534
916534
1016534
1116534
1216534
1306733
1406733
1506832
1606832
1706931
1807030
1907030
2007129
2107129
2207129
2307228
2407228
2507228
2607327
2707327
2807327
2907327
3007228

Wind in June

Winds average 5 km/h in June.

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

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 06 min at the start of June to 13 h 12 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 5:45 AM to 5:48 AM, and sunset from 6:52 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:456:52
213.15:456:52
313.15:456:52
413.15:456:53
513.15:456:53
613.25:446:53
713.25:446:54
813.25:446:54
913.25:446:55
1013.25:456:55
1113.25:456:55
1213.25:456:56
1313.25:456:56
1413.25:456:56
1513.25:456:57
1613.25:456:57
1713.25:456:57
1813.25:456:57
1913.25:456:58
2013.25:466:58
2113.25:466:58
2213.25:466:58
2313.25:466:59
2413.25:466:59
2513.25:476:59
2613.25:476:59
2713.25:476:59
2813.25:476:59
2913.25:486:59
3013.25:487:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.74 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.3 kWh/m² in April across the year — June's 4.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in June

Hazard calendar for Chiang Rai

In seasonPeak

In June, Chiang Rai sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Chiang Rai's monsoon runs May–September, when most of the year's rain falls.

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

Is June a good time to visit Chiang Rai?

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

2.5
Sightseeing
12th-best month of the year
3.8
Beach & pool
10th-best month of the year

June is a weaker month for outdoor sightseeing in Chiang Rai.

What to pack for Chiang Rai in June

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

In June, Chiang Rai sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Chiang Rai in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Chiang Rai peaks around July 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJul 17UV 13Dec 21UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar9Very high
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Chiang Rai 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 Chiang Rai is worst in April — around 142 µg/m³ PM2.5 (unhealthy), about 12.0× the cleanest month (July, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chiang Rai's WHO annual average of 37 µg/m³.

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodModerateApr 11137 µg/m³Jul 2312 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb36Poor
Mar117Unhealthy
Apr142Unhealthy
May34Moderate
Jun14Moderate
Jul12Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov14Moderate
Dec17Moderate
Location & terrain

Where is Chiang Rai?

Chiang Rai sits at 19.9°N, 99.8°E, 401 m above sea level, in Thailand. The nearest listed city is Mae Chan, 27 km away.

San Kamphaeng

Topography around Chiang Rai

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

Within 3 km, the terrain around Chiang Rai has only modest variations in elevation — a maximum elevation change of 66 m around an average of 398 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 815 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,937 m.

The land around Chiang Rai is covered by artificial surfaces (43%) and trees (36%) within 3 km, trees (52%) and cropland (33%) within 16 km, and trees (70%) and cropland (21%) within 80 km.

3 km
66 m
16 km
815 m
80 km
1,937 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Mae Chan 27 km · Ban Khoan 56 km · Mae Sai 59 km · Tachilek 60 km · Ban Houakhoua 75 km · Phayao 80 km · Dok Kham Tai 85 km · San Kamphaeng 149 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 Chiang Rai (19.9086°, 99.8325°, elevation 401 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. 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).