Siem Reap weather in June

In June, Siem Reap sees average daytime highs of 33°C and overnight lows near 27°C, with 132 mm of rain across 20.7 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 6th-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 4% of the time in June, and the air most often feels miserable.

Daylight stretches from about 12 h 42 min at the start of June to 12 h 48 min by month's end. Set against the rest of the year, June is Siem Reap's 10th-clearest and 3rd-windiest month. For the whole year in context, see Siem Reap's year-round climate.

Daytime high: 33°; 4th warmest
Overnight low: 27°; 10th coldest
Rainfall: 132 mm; 20.7 wet days
Daylight: 12 h 48 min; 5:41 AM – 6:28 PM
Cloud cover: 87%; 10th clearest
Wind: 9 km/h; 3rd windiest
Solar energy: 5.37 kWh/m²
Travel score: 2.4; out of 10

Siem Reap is capital of the same named Cambodian province.

Founded: ~802 CE

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

← May Siem Reap year-round climate July →Best places to visit in June

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical June day in Siem Reap reaches about 33°C in the afternoon and slips back to 27°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, June runs on par with May and on par with July.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33
Avg low (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	27
11	33	27
12	33	27
13	33	27
14	33	27
15	33	27
16	33	27
17	33	27
18	33	27
19	33	27
20	33	27
21	33	27
22	33	27
23	33	27
24	33	27
25	33	27
26	33	27
27	33	27
28	33	27
29	33	27
30	33	27

How June really feels in Siem Reap

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 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Siem Reap weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	9	1.9	11.3	5.5
Feb	33° / 24°	13	2.6	11.6	4.5
Mar	34° / 26°	52	7.8	11.9	3.2
Apr	35° / 27°	94	13.5	12.3	2.5
May	34° / 27°	148	21.4	12.6	2.2
Jun	33° / 27°	132	20.7	12.8	2.4
Jul	32° / 27°	135	22.1	12.7	2.6
Aug	32° / 26°	162	24.4	12.4	2.4
Sep	31° / 26°	244	25.9	12.1	2.5
Oct	31° / 25°	224	23.3	11.7	3.1
Nov	31° / 24°	62	8.8	11.4	4.7
Dec	30° / 23°	16	2.9	11.2	5.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	12	12	11	11	11	10	11	11	11	10	9	9	9	8	8	8	9	9	9	9	9	9	10	10	10	10	12	12	12	13
Cloudier (%)	88	88	89	89	89	90	89	89	89	90	91	91	91	92	92	92	91	91	91	91	91	91	90	90	90	90	88	88	88	87

	Clearer (%)	Cloudier (%)
1	12	88
2	12	88
3	11	89
4	11	89
5	11	89
6	10	90
7	11	89
8	11	89
9	11	89
10	10	90
11	9	91
12	9	91
13	9	91
14	8	92
15	8	92
16	8	92
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	10	90
27	12	88
28	12	88
29	12	88
30	13	87

Chance of precipitation in June

Any precipitation

Siem Reap gets around 132 mm of rain over 20.7 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 70% and peaks near 75% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	75	74	73	72	72	71	70	69	69	69	68	68	68	68	68	68	68	68	68	68	69	69	69	69	70	70	70	70	71	71

	Rain chance (%)
1	75
2	74
3	73
4	72
5	72
6	71
7	70
8	69
9	69
10	69
11	68
12	68
13	68
14	68
15	68
16	68
17	68
18	68
19	68
20	68
21	69
22	69
23	69
24	69
25	70
26	70
27	70
28	70
29	71
30	71

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Oppressive (%)	7	8	9	9	10	11	12	13	14	15	16	17	18	19	19	20	20	20	20	20	20	20	20	19	19	18	18	17	17	17
Miserable (%)	93	92	91	91	90	89	88	87	86	85	84	83	82	81	81	80	80	80	80	80	80	80	80	81	81	82	82	83	83	83

	Oppressive (%)	Miserable (%)
1	7	93
2	8	92
3	9	91
4	9	91
5	10	90
6	11	89
7	12	88
8	13	87
9	14	86
10	15	85
11	16	84
12	17	83
13	18	82
14	19	81
15	19	81
16	20	80
17	20	80
18	20	80
19	20	80
20	20	80
21	20	80
22	20	80
23	20	80
24	19	81
25	19	81
26	18	82
27	18	82
28	17	83
29	17	83
30	17	83

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	8	8	8	8	8	8	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 42 min at the start of June to 12 h 48 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 5:40 AM to 5:44 AM, and sunset from 6:24 PM to 6:31 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.7	12.7	12.7	12.7	12.7	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.8
Sunrise (AM)	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:42	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:43	5:44	5:44	5:44	5:44
Sunset (PM)	6:24	6:24	6:25	6:25	6:25	6:25	6:26	6:26	6:26	6:27	6:27	6:27	6:27	6:28	6:28	6:28	6:29	6:29	6:29	6:29	6:29	6:30	6:30	6:30	6:30	6:30	6:31	6:31	6:31	6:31

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.7	5:40	6:24
2	12.7	5:40	6:24
3	12.7	5:40	6:25
4	12.7	5:40	6:25
5	12.7	5:40	6:25
6	12.8	5:40	6:25
7	12.8	5:40	6:26
8	12.8	5:40	6:26
9	12.8	5:40	6:26
10	12.8	5:41	6:27
11	12.8	5:41	6:27
12	12.8	5:41	6:27
13	12.8	5:41	6:27
14	12.8	5:41	6:28
15	12.8	5:41	6:28
16	12.8	5:41	6:28
17	12.8	5:41	6:29
18	12.8	5:42	6:29
19	12.8	5:42	6:29
20	12.8	5:42	6:29
21	12.8	5:42	6:29
22	12.8	5:42	6:30
23	12.8	5:43	6:30
24	12.8	5:43	6:30
25	12.8	5:43	6:30
26	12.8	5:43	6:30
27	12.8	5:44	6:31
28	12.8	5:44	6:31
29	12.8	5:44	6:31
30	12.8	5:44	6:31

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.16 kWh/m² in April across the year — June's 5.37 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.6	Bright
3	5.6	Bright
4	5.6	Bright
5	5.6	Bright
6	5.6	Bright
7	5.6	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.5	Bright
14	5.4	Bright
15	5.4	Bright
16	5.4	Bright
17	5.3	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.3	Bright
22	5.2	Bright
23	5.2	Bright
24	5.2	Bright
25	5.2	Bright
26	5.2	Bright
27	5.2	Bright
28	5.2	Bright
29	5.2	Bright
30	5.2	Bright

Planning a trip in June

Hazard calendar for Siem Reap

In seasonPeak

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

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

Siem Reap'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 June a good time to visit Siem Reap?

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

2.4

Sightseeing

10th-best month of the year

4.3

Beach & pool

10th-best month of the year

June is a weaker month for outdoor sightseeing in Siem Reap.

What to pack for Siem Reap in June

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

In June, Siem Reap sees daytime highs around 33°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

UV index in Siem Reap in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Siem Reap peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 8 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	10	10	12	12	11	12	13	14	12	11	8	8
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	10	Very high
Feb	10	Very high
Mar	12	Extreme
Apr	12	Extreme
May	11	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	12	Extreme
Oct	11	Extreme
Nov	8	Very high
Dec	8	Very high

Air quality in Siem Reap 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 Siem Reap is worst in February — around 40 µg/m³ PM2.5 (poor), about 2.9× the cleanest month (November, 14 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	29	40	40	37	19	15	16	15	15	17	14	14
Level	Moderate	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	29	Moderate
Feb	40	Poor
Mar	40	Poor
Apr	37	Poor
May	19	Moderate
Jun	15	Moderate
Jul	16	Moderate
Aug	15	Moderate
Sep	15	Moderate
Oct	17	Moderate
Nov	14	Moderate
Dec	14	Moderate

Location & terrain

Where is Siem Reap?

Siem Reap sits at 13.4°N, 103.9°E, 18 m above sea level, in Cambodia. The nearest listed city is Yeang, 34 km away.

Topography around Siem Reap

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

Within 3 km, the terrain around Siem Reap has only modest variations in elevation — a maximum elevation change of 28 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 123 m; within 80 km, significant variations in elevation — a maximum elevation change of 484 m.

The land around Siem Reap is covered by artificial surfaces (60%) and trees (24%) within 3 km, cropland (45%) and trees (30%) within 16 km, and cropland (48%) and trees (30%) within 80 km.

3 km

28 m

artificial surfaces 60%

16 km

123 m

cropland 45%

80 km

484 m

cropland 48%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← May Siem Reap year-round climate July →Best places to visit in June

June weather nearby: Yeang 34 km · Phum Ânlŭng Vĭl 74 km · Battambang 77 km · Phumĭ Tnaôt 89 km · Pursat 92 km · Samraong 98 km · Sisophon 99 km · Anlong Veaeng 100 km

Cambodia travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / C / G; 230 V · 50 Hz
Prices: ≈ 34% of US; price level, 2025
GDP per capita: $2,872; 2025
Happiness: 4.5 / 10; World Happiness, 2025
Safe drinking water: 30%; of population, 2024
Homicide rate: 1.8; per 100k, 2011
Road deaths: 19.6; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Very low; EF EPI 390
Religion

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 Siem Reap (13.3618°, 103.8606°, elevation 18 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).

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	27
11	33	27
12	33	27
13	33	27
14	33	27
15	33	27
16	33	27
17	33	27
18	33	27
19	33	27
20	33	27
21	33	27
22	33	27
23	33	27
24	33	27
25	33	27
26	33	27
27	33	27
28	33	27
29	33	27
30	33	27

	Clearer (%)	Cloudier (%)
1	12	88
2	12	88
3	11	89
4	11	89
5	11	89
6	10	90
7	11	89
8	11	89
9	11	89
10	10	90
11	9	91
12	9	91
13	9	91
14	8	92
15	8	92
16	8	92
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	10	90
27	12	88
28	12	88
29	12	88
30	13	87

	Rain chance (%)
1	75
2	74
3	73
4	72
5	72
6	71
7	70
8	69
9	69
10	69
11	68
12	68
13	68
14	68
15	68
16	68
17	68
18	68
19	68
20	68
21	69
22	69
23	69
24	69
25	70
26	70
27	70
28	70
29	71
30	71

	Oppressive (%)	Miserable (%)
1	7	93
2	8	92
3	9	91
4	9	91
5	10	90
6	11	89
7	12	88
8	13	87
9	14	86
10	15	85
11	16	84
12	17	83
13	18	82
14	19	81
15	19	81
16	20	80
17	20	80
18	20	80
19	20	80
20	20	80
21	20	80
22	20	80
23	20	80
24	19	81
25	19	81
26	18	82
27	18	82
28	17	83
29	17	83
30	17	83

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	27
11	33	27
12	33	27
13	33	27
14	33	27
15	33	27
16	33	27
17	33	27
18	33	27
19	33	27
20	33	27
21	33	27
22	33	27
23	33	27
24	33	27
25	33	27
26	33	27
27	33	27
28	33	27
29	33	27
30	33	27

	Clearer (%)	Cloudier (%)
1	12	88
2	12	88
3	11	89
4	11	89
5	11	89
6	10	90
7	11	89
8	11	89
9	11	89
10	10	90
11	9	91
12	9	91
13	9	91
14	8	92
15	8	92
16	8	92
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	10	90
27	12	88
28	12	88
29	12	88
30	13	87

	Rain chance (%)
1	75
2	74
3	73
4	72
5	72
6	71
7	70
8	69
9	69
10	69
11	68
12	68
13	68
14	68
15	68
16	68
17	68
18	68
19	68
20	68
21	69
22	69
23	69
24	69
25	70
26	70
27	70
28	70
29	71
30	71

	Oppressive (%)	Miserable (%)
1	7	93
2	8	92
3	9	91
4	9	91
5	10	90
6	11	89
7	12	88
8	13	87
9	14	86
10	15	85
11	16	84
12	17	83
13	18	82
14	19	81
15	19	81
16	20	80
17	20	80
18	20	80
19	20	80
20	20	80
21	20	80
22	20	80
23	20	80
24	19	81
25	19	81
26	18	82
27	18	82
28	17	83
29	17	83
30	17	83

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	27
11	33	27
12	33	27
13	33	27
14	33	27
15	33	27
16	33	27
17	33	27
18	33	27
19	33	27
20	33	27
21	33	27
22	33	27
23	33	27
24	33	27
25	33	27
26	33	27
27	33	27
28	33	27
29	33	27
30	33	27

	Clearer (%)	Cloudier (%)
1	12	88
2	12	88
3	11	89
4	11	89
5	11	89
6	10	90
7	11	89
8	11	89
9	11	89
10	10	90
11	9	91
12	9	91
13	9	91
14	8	92
15	8	92
16	8	92
17	9	91
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	10	90
27	12	88
28	12	88
29	12	88
30	13	87

	Rain chance (%)
1	75
2	74
3	73
4	72
5	72
6	71
7	70
8	69
9	69
10	69
11	68
12	68
13	68
14	68
15	68
16	68
17	68
18	68
19	68
20	68
21	69
22	69
23	69
24	69
25	70
26	70
27	70
28	70
29	71
30	71

	Oppressive (%)	Miserable (%)
1	7	93
2	8	92
3	9	91
4	9	91
5	10	90
6	11	89
7	12	88
8	13	87
9	14	86
10	15	85
11	16	84
12	17	83
13	18	82
14	19	81
15	19	81
16	20	80
17	20	80
18	20	80
19	20	80
20	20	80
21	20	80
22	20	80
23	20	80
24	19	81
25	19	81
26	18	82
27	18	82
28	17	83
29	17	83
30	17	83