Ít Ong weather in August

In August, Ít Ong sees average daytime highs of 28°C and overnight lows near 22°C, with 428 mm of rain across 26.2 wet days and about 12.7 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 5% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Ít Ong's 10th-clearest and 11th-windiest month. For the whole year in context, see Ít Ong's year-round climate.

Daytime high: 28°; 4th warmest
Overnight low: 22°; 10th coldest
Rainfall: 428 mm; 26.2 wet days
Daylight: 12 h 42 min; 5:46 AM – 6:30 PM
Cloud cover: 86%; 10th clearest
Wind: 3 km/h; 11th windiest
Solar energy: 4.37 kWh/m²
Travel score: 3.7; out of 10

← July Ít Ong year-round climate September →Best places to visit in August

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Ít Ong reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

	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	31
Avg high (°C)	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

Ít Ong weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	20° / 12°	26	3.8	10.8	7.4
Feb	23° / 13°	16	3.2	11.3	8.1
Mar	26° / 16°	26	5	11.8	7.8
Apr	28° / 19°	35	8	12.5	6.3
May	29° / 21°	109	16.5	13	4.5
Jun	28° / 22°	244	23.8	13.3	3.6
Jul	28° / 22°	397	25.6	13.2	3.8
Aug	28° / 22°	428	26.2	12.7	3.7
Sep	28° / 21°	235	20.8	12.1	4.5
Oct	26° / 19°	61	9.4	11.5	6.7
Nov	24° / 16°	28	3.7	11	8.1
Dec	21° / 12°	23	3.5	10.7	7.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 87%.

	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	31
Clearer (%)	8	8	8	8	8	8	8	8	8	8	9	9	10	10	12	12	12	13	14	14	16	16	17	17	18	18	18	18	18	19	19
Cloudier (%)	92	92	92	92	92	92	92	92	92	92	91	91	90	90	88	88	88	87	86	86	84	84	83	83	82	82	82	82	82	81	81

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	8	92
6	8	92
7	8	92
8	8	92
9	8	92
10	8	92
11	9	91
12	9	91
13	10	90
14	10	90
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	16	84
22	16	84
23	17	83
24	17	83
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	19	81
31	19	81

Chance of precipitation in August

Any precipitation

Ít Ong gets around 428 mm of rain over 26.2 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 84% and peaks near 89% on the wettest days. The odds ease toward the end of the month.

	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	31
Rain chance (%)	85	85	86	86	87	88	88	88	89	89	89	88	88	87	86	86	85	84	84	83	82	82	81	81	80	80	80	80	80	79	79

	Rain chance (%)
1	85
2	85
3	86
4	86
5	87
6	88
7	88
8	88
9	89
10	89
11	89
12	88
13	88
14	87
15	86
16	86
17	85
18	84
19	84
20	83
21	82
22	82
23	81
24	81
25	80
26	80
27	80
28	80
29	80
30	79
31	79

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 85% 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	31
Muggy (%)	9	9	9	8	8	8	9	9	9	10	10	11	12	13	13	14	15	16	17	17	18	19	19	20	20	21	22	22	23	24	25
Oppressive (%)	91	91	91	92	92	92	91	91	91	90	90	89	88	87	87	86	85	84	83	83	82	81	81	80	80	79	78	78	77	76	75

	Muggy (%)	Oppressive (%)
1	9	91
2	9	91
3	9	91
4	8	92
5	8	92
6	8	92
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	11	89
13	12	88
14	13	87
15	13	87
16	14	86
17	15	85
18	16	84
19	17	83
20	17	83
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	22	78
29	23	77
30	24	76
31	25	75

Wind in August

Winds average 3 km/h in August.

Across August, daily wind ranges from about 3 km/h on the calmest days to 3 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	31
Wind speed (km/h)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
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	calm

	Wind speed (km/h)	Feels
1	3	calm
2	3	calm
3	3	calm
4	3	calm
5	3	calm
6	3	calm
7	3	calm
8	3	calm
9	3	calm
10	3	calm
11	3	calm
12	3	calm
13	3	calm
14	3	calm
15	3	calm
16	3	calm
17	3	calm
18	3	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	calm
31	3	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 hours at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:40 AM to 5:50 AM, and sunset from 6:40 PM to 6:18 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	31
Daylight (h)	13.0	13.0	13.0	12.9	12.9	12.9	12.9	12.9	12.9	12.9	12.8	12.8	12.8	12.8	12.8	12.7	12.7	12.7	12.7	12.7	12.7	12.6	12.6	12.6	12.6	12.6	12.5	12.5	12.5	12.5	12.5
Sunrise (AM)	5:40	5:40	5:41	5:41	5:42	5:42	5:42	5:43	5:43	5:44	5:44	5:44	5:45	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:47	5:48	5:48	5:48	5:49	5:49	5:49	5:49	5:50	5:50	5:50
Sunset (PM)	6:40	6:39	6:39	6:38	6:38	6:37	6:36	6:36	6:35	6:35	6:34	6:33	6:33	6:32	6:31	6:30	6:30	6:29	6:28	6:27	6:26	6:26	6:25	6:24	6:23	6:22	6:21	6:20	6:19	6:18	6:18

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.0	5:40	6:40
2	13.0	5:40	6:39
3	13.0	5:41	6:39
4	12.9	5:41	6:38
5	12.9	5:42	6:38
6	12.9	5:42	6:37
7	12.9	5:42	6:36
8	12.9	5:43	6:36
9	12.9	5:43	6:35
10	12.9	5:44	6:35
11	12.8	5:44	6:34
12	12.8	5:44	6:33
13	12.8	5:45	6:33
14	12.8	5:45	6:32
15	12.8	5:45	6:31
16	12.7	5:46	6:30
17	12.7	5:46	6:30
18	12.7	5:46	6:29
19	12.7	5:47	6:28
20	12.7	5:47	6:27
21	12.7	5:47	6:26
22	12.6	5:48	6:26
23	12.6	5:48	6:25
24	12.6	5:48	6:24
25	12.6	5:49	6:23
26	12.6	5:49	6:22
27	12.5	5:49	6:21
28	12.5	5:49	6:20
29	12.5	5:50	6:19
30	12.5	5:50	6:18
31	12.5	5:50	6:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.37 kWh/m².

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 5.19 kWh/m² in April across the year — August's 4.37 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	31
Solar energy (kWh/m²)	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4
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	Bright

	Solar energy (kWh/m²)	Level
1	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.3	Bright
7	4.3	Bright
8	4.3	Bright
9	4.3	Bright
10	4.3	Bright
11	4.3	Bright
12	4.3	Bright
13	4.3	Bright
14	4.3	Bright
15	4.3	Bright
16	4.3	Bright
17	4.4	Bright
18	4.4	Bright
19	4.4	Bright
20	4.4	Bright
21	4.4	Bright
22	4.4	Bright
23	4.4	Bright
24	4.4	Bright
25	4.4	Bright
26	4.4	Bright
27	4.4	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright
31	4.4	Bright

Planning a trip in August

Hazard calendar for Ít Ong

In seasonPeak

In August, Ít Ong sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Ít Ong's monsoon runs June–September, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is August a good time to visit Ít Ong?

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

3.7

Sightseeing

11th-best month of the year

4.1

Beach & pool

10th-best month of the year

August is a weaker month for outdoor sightseeing in Ít Ong.

What to pack for Ít Ong in August

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

In August, Ít Ong sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Ít Ong in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Ít Ong peaks around June 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (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)	7	9	12	10	11	14	13	13	9	9	8	6
Level	High	Very high	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	High

	UV index (midday)	Level
Jan	7	High
Feb	9	Very high
Mar	12	Extreme
Apr	10	Very high
May	11	Extreme
Jun	14	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	9	Very high
Oct	9	Very high
Nov	8	Very high
Dec	6	High

Air quality in Ít Ong in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Ít Ong is worst in April — around 70 µg/m³ PM2.5 (unhealthy), about 4.5× the cleanest month (July, 16 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)	43	48	64	70	34	18	16	17	23	30	37	42
Level	Poor	Poor	Unhealthy	Unhealthy	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	43	Poor
Feb	48	Poor
Mar	64	Unhealthy
Apr	70	Unhealthy
May	34	Moderate
Jun	18	Moderate
Jul	16	Moderate
Aug	17	Moderate
Sep	23	Moderate
Oct	30	Moderate
Nov	37	Poor
Dec	42	Poor

Location & terrain

Where is Ít Ong?

Ít Ong sits at 21.5°N, 104.0°E, 206 m above sea level, in Vietnam. The nearest listed city is Sơn La, 24 km away.

Topography around Ít Ong

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

Within 3 km, the terrain around Ít Ong has large variations in elevation — a maximum elevation change of 913 m around an average of 362 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,314 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,884 m.

The land around Ít Ong is covered by trees (52%) and grassland (33%) within 3 km, trees (64%) and grassland (27%) within 16 km, and trees (72%) and grassland (23%) within 80 km.

3 km

913 m

trees 52%

16 km

2,314 m

trees 64%

80 km

2,884 m

trees 72%

treesgrasslandcroplandartificial surfaceswater

← July Ít Ong year-round climate September →Best places to visit in August

August weather nearby: Sơn La 24 km · Thị Trấn Thuận Châu 36 km · Nghĩa Lộ 51 km · Thị Trấn Phố Lu 91 km · Sapa 93 km · Yên Bái 94 km · Dien Bien Phu 105 km · Mường Lay 107 km

Vietnam travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B / C / F; 220 V · 50 Hz
Prices: ≈ 29% of US; price level, 2025
GDP per capita: $5,066; 2025
Happiness: 6.4 / 10; World Happiness, 2025
Safe drinking water: 59%; of population, 2024
Homicide rate: 1.5; per 100k, 2011
Road deaths: 30.6; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Moderate; EF EPI 500
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 Ít Ong (21.5175°, 104.027°, elevation 206 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).

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	8	92
6	8	92
7	8	92
8	8	92
9	8	92
10	8	92
11	9	91
12	9	91
13	10	90
14	10	90
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	16	84
22	16	84
23	17	83
24	17	83
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	19	81
31	19	81

	Rain chance (%)
1	85
2	85
3	86
4	86
5	87
6	88
7	88
8	88
9	89
10	89
11	89
12	88
13	88
14	87
15	86
16	86
17	85
18	84
19	84
20	83
21	82
22	82
23	81
24	81
25	80
26	80
27	80
28	80
29	80
30	79
31	79

	Muggy (%)	Oppressive (%)
1	9	91
2	9	91
3	9	91
4	8	92
5	8	92
6	8	92
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	11	89
13	12	88
14	13	87
15	13	87
16	14	86
17	15	85
18	16	84
19	17	83
20	17	83
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	22	78
29	23	77
30	24	76
31	25	75

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	8	92
6	8	92
7	8	92
8	8	92
9	8	92
10	8	92
11	9	91
12	9	91
13	10	90
14	10	90
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	16	84
22	16	84
23	17	83
24	17	83
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	19	81
31	19	81

	Rain chance (%)
1	85
2	85
3	86
4	86
5	87
6	88
7	88
8	88
9	89
10	89
11	89
12	88
13	88
14	87
15	86
16	86
17	85
18	84
19	84
20	83
21	82
22	82
23	81
24	81
25	80
26	80
27	80
28	80
29	80
30	79
31	79

	Muggy (%)	Oppressive (%)
1	9	91
2	9	91
3	9	91
4	8	92
5	8	92
6	8	92
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	11	89
13	12	88
14	13	87
15	13	87
16	14	86
17	15	85
18	16	84
19	17	83
20	17	83
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	22	78
29	23	77
30	24	76
31	25	75

	Avg high (°C)	Avg low (°C)
1	28	22
2	28	22
3	28	22
4	28	22
5	28	22
6	28	22
7	28	22
8	28	22
9	28	22
10	28	22
11	28	22
12	28	22
13	28	22
14	28	22
15	28	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	8	92
6	8	92
7	8	92
8	8	92
9	8	92
10	8	92
11	9	91
12	9	91
13	10	90
14	10	90
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	16	84
22	16	84
23	17	83
24	17	83
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	19	81
31	19	81

	Rain chance (%)
1	85
2	85
3	86
4	86
5	87
6	88
7	88
8	88
9	89
10	89
11	89
12	88
13	88
14	87
15	86
16	86
17	85
18	84
19	84
20	83
21	82
22	82
23	81
24	81
25	80
26	80
27	80
28	80
29	80
30	79
31	79

	Muggy (%)	Oppressive (%)
1	9	91
2	9	91
3	9	91
4	8	92
5	8	92
6	8	92
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	11	89
13	12	88
14	13	87
15	13	87
16	14	86
17	15	85
18	16	84
19	17	83
20	17	83
21	18	82
22	19	81
23	19	81
24	20	80
25	20	80
26	21	79
27	22	78
28	22	78
29	23	77
30	24	76
31	25	75