Si Sa Ket weather in August

In August, Si Sa Ket sees average daytime highs of 32°C and overnight lows near 25°C, with 218 mm of rain across 24.9 wet days and about 12.5 hours of daylight. It is the 7th-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 1% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Si Sa Ket's 12th-clearest and 4th-windiest month. For the whole year in context, see Si Sa Ket's year-round climate.

Daytime high: 32°; 7th warmest
Overnight low: 25°; 8th coldest
Rainfall: 218 mm; 24.9 wet days
Daylight: 12 h 30 min; 5:51 AM – 6:22 PM
Cloud cover: 90%; 12th clearest
Wind: 10 km/h; 4th windiest
Solar energy: 4.6 kWh/m²
Travel score: 2.4; out of 10

Si Sa Ket is town in Si Sa Ket province, Thailand.

Density: 1,221/km²; people per km²

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

← July Si Sa Ket 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 32°C through the month.

A typical August day in Si Sa Ket reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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)	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32
Avg low (°C)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25

	Avg high (°C)	Avg low (°C)
1	32	25
2	32	25
3	32	25
4	32	25
5	32	25
6	32	25
7	32	25
8	32	25
9	32	25
10	32	25
11	32	25
12	32	25
13	32	25
14	32	25
15	32	25
16	32	25
17	32	25
18	32	25
19	32	25
20	32	25
21	32	25
22	32	25
23	32	25
24	32	25
25	32	25
26	32	25
27	32	25
28	32	25
29	32	25
30	32	25
31	32	25

How August really feels in Si Sa Ket

Once humidity and wind are folded in, August 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

17 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

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

Si Sa Ket weather by month

How August compares with the rest of the year at a glance. August is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 19°	4	1.1	11.2	5.5
Feb	33° / 21°	7	1.7	11.5	4.3
Mar	35° / 24°	29	6	11.9	2.7
Apr	36° / 26°	66	11.4	12.3	1.9
May	35° / 26°	134	20.3	12.7	1.9
Jun	34° / 26°	144	20.2	12.9	2.2
Jul	33° / 26°	171	23.3	12.8	2.4
Aug	32° / 25°	218	24.9	12.5	2.4
Sep	32° / 25°	250	24.4	12.1	2.6
Oct	31° / 24°	121	14.9	11.7	3.8
Nov	31° / 22°	32	4.3	11.3	5.1
Dec	30° / 20°	7	1.6	11.1	5.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 92%.

	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 (%)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Cloudier (%)	93	93	93	93	93	93	93	93	93	93	93	93	93	93	93	93	93	92	92	92	92	92	92	92	92	92	92	92	92	92	92

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	7	93
18	8	92
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	8	92
25	8	92
26	8	92
27	8	92
28	8	92
29	8	92
30	8	92
31	8	92

Chance of precipitation in August

Any precipitation

Si Sa Ket gets around 218 mm of rain over 24.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 80% and peaks near 83% 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	31
Rain chance (%)	82	82	81	81	80	80	79	79	78	78	78	78	78	78	78	79	79	80	80	81	81	81	82	82	82	83	83	83	83	83	83

	Rain chance (%)
1	82
2	82
3	81
4	81
5	80
6	80
7	79
8	79
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	79
17	79
18	80
19	80
20	81
21	81
22	81
23	82
24	82
25	82
26	83
27	83
28	83
29	83
30	83
31	83

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 67% 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
Oppressive (%)	45	44	44	43	43	42	41	41	40	40	39	38	37	36	35	34	32	31	30	29	28	26	25	24	23	22	21	20	20	19	19
Miserable (%)	55	56	56	57	57	58	59	59	60	60	61	62	63	64	65	66	68	69	70	71	72	74	75	76	77	78	79	80	80	81	81

	Oppressive (%)	Miserable (%)
1	45	55
2	44	56
3	44	56
4	43	57
5	43	57
6	42	58
7	41	59
8	41	59
9	40	60
10	40	60
11	39	61
12	38	62
13	37	63
14	36	64
15	35	65
16	34	66
17	32	68
18	31	69
19	30	70
20	29	71
21	28	72
22	26	74
23	25	75
24	24	76
25	23	77
26	22	78
27	21	79
28	20	80
29	20	80
30	19	81
31	19	81

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 12 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)	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	8
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	12	calm
2	12	calm
3	12	calm
4	12	calm
5	12	calm
6	12	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	9	calm
31	8	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 42 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 5:48 AM to 5:53 AM, and sunset from 6:29 PM to 6:12 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)	12.7	12.7	12.7	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.3	12.3	12.3
Sunrise (AM)	5:48	5:49	5:49	5:49	5:49	5:50	5:50	5:50	5:50	5:50	5:51	5:51	5:51	5:51	5:51	5:51	5:52	5:52	5:52	5:52	5:52	5:52	5:53	5:53	5:53	5:53	5:53	5:53	5:53	5:53	5:53
Sunset (PM)	6:29	6:29	6:28	6:28	6:28	6:27	6:27	6:26	6:26	6:25	6:25	6:24	6:24	6:23	6:23	6:22	6:21	6:21	6:20	6:20	6:19	6:18	6:18	6:17	6:16	6:16	6:15	6:14	6:14	6:13	6:12

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.7	5:48	6:29
2	12.7	5:49	6:29
3	12.7	5:49	6:28
4	12.6	5:49	6:28
5	12.6	5:49	6:28
6	12.6	5:50	6:27
7	12.6	5:50	6:27
8	12.6	5:50	6:26
9	12.6	5:50	6:26
10	12.6	5:50	6:25
11	12.6	5:51	6:25
12	12.6	5:51	6:24
13	12.5	5:51	6:24
14	12.5	5:51	6:23
15	12.5	5:51	6:23
16	12.5	5:51	6:22
17	12.5	5:52	6:21
18	12.5	5:52	6:21
19	12.5	5:52	6:20
20	12.5	5:52	6:20
21	12.4	5:52	6:19
22	12.4	5:52	6:18
23	12.4	5:53	6:18
24	12.4	5:53	6:17
25	12.4	5:53	6:16
26	12.4	5:53	6:16
27	12.4	5:53	6:15
28	12.4	5:53	6:14
29	12.3	5:53	6:14
30	12.3	5:53	6:13
31	12.3	5:53	6:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.13 kWh/m² in April across the year — August's 4.6 kWh/m² sits near the bottom.

	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)	4.5	4.5	4.5	4.5	4.5	4.6	4.6	4.6	4.6	4.6	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5
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	4.5	Bright
2	4.5	Bright
3	4.5	Bright
4	4.5	Bright
5	4.5	Bright
6	4.6	Bright
7	4.6	Bright
8	4.6	Bright
9	4.6	Bright
10	4.6	Bright
11	4.7	Bright
12	4.7	Bright
13	4.7	Bright
14	4.7	Bright
15	4.7	Bright
16	4.7	Bright
17	4.7	Bright
18	4.7	Bright
19	4.7	Bright
20	4.7	Bright
21	4.6	Bright
22	4.6	Bright
23	4.6	Bright
24	4.6	Bright
25	4.6	Bright
26	4.6	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright
31	4.5	Bright

Planning a trip in August

Hazard calendar for Si Sa Ket

In seasonPeak

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

Si Sa Ket's monsoon runs May–October, 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 Si Sa Ket?

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

2.4

Sightseeing

8th-best month of the year

4.0

Beach & pool

12th-best month of the year

August is a weaker month for outdoor sightseeing in Si Sa Ket.

What to pack for Si Sa Ket in August

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

In August, Si Sa Ket sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Si Sa Ket 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 Si Sa Ket peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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)	9	10	11	11	11	12	13	13	11	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	9	Very high
Feb	10	Very high
Mar	11	Extreme
Apr	11	Extreme
May	11	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	11	Extreme
Oct	11	Extreme
Nov	8	Very high
Dec	8	Very high

Air quality in Si Sa Ket 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 Si Sa Ket is worst in March — around 58 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (December, 19 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	45	58	43	28	21	23	23	27	28	22	19
Level	Moderate	Poor	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	29	Moderate
Feb	45	Poor
Mar	58	Unhealthy
Apr	43	Poor
May	28	Moderate
Jun	21	Moderate
Jul	23	Moderate
Aug	23	Moderate
Sep	27	Moderate
Oct	28	Moderate
Nov	22	Moderate
Dec	19	Moderate

Location & terrain

Where is Si Sa Ket?

Si Sa Ket sits at 15.1°N, 104.3°E, 134 m above sea level, in Thailand. The nearest listed city is Ubon Ratchathani, 57 km away.

Topography around Si Sa Ket

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

Within 3 km, the terrain around Si Sa Ket has only modest variations in elevation — a maximum elevation change of 32 m around an average of 126 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, significant variations in elevation — a maximum elevation change of 557 m.

The land around Si Sa Ket is covered by trees (47%) and artificial surfaces (31%) within 3 km, cropland (70%) within 16 km, and cropland (71%) and trees (25%) within 80 km.

3 km

32 m

trees 47%

16 km

45 m

cropland 70%

80 km

557 m

cropland 71%

treesgrasslandcroplandartificial surfaceswater

← July Si Sa Ket year-round climate September →Best places to visit in August

August weather nearby: Ubon Ratchathani 57 km · Warin Chamrap 58 km · Kantharalak 63 km · Yasothon 78 km · Det Udom 84 km · Amnat Charoen 89 km · Surin 93 km · Phibun Mangsahan 98 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

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 Si Sa Ket (15.1148°, 104.3294°, elevation 134 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	32	25
2	32	25
3	32	25
4	32	25
5	32	25
6	32	25
7	32	25
8	32	25
9	32	25
10	32	25
11	32	25
12	32	25
13	32	25
14	32	25
15	32	25
16	32	25
17	32	25
18	32	25
19	32	25
20	32	25
21	32	25
22	32	25
23	32	25
24	32	25
25	32	25
26	32	25
27	32	25
28	32	25
29	32	25
30	32	25
31	32	25

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	7	93
18	8	92
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	8	92
25	8	92
26	8	92
27	8	92
28	8	92
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	82
2	82
3	81
4	81
5	80
6	80
7	79
8	79
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	79
17	79
18	80
19	80
20	81
21	81
22	81
23	82
24	82
25	82
26	83
27	83
28	83
29	83
30	83
31	83

	Oppressive (%)	Miserable (%)
1	45	55
2	44	56
3	44	56
4	43	57
5	43	57
6	42	58
7	41	59
8	41	59
9	40	60
10	40	60
11	39	61
12	38	62
13	37	63
14	36	64
15	35	65
16	34	66
17	32	68
18	31	69
19	30	70
20	29	71
21	28	72
22	26	74
23	25	75
24	24	76
25	23	77
26	22	78
27	21	79
28	20	80
29	20	80
30	19	81
31	19	81

	Avg high (°C)	Avg low (°C)
1	32	25
2	32	25
3	32	25
4	32	25
5	32	25
6	32	25
7	32	25
8	32	25
9	32	25
10	32	25
11	32	25
12	32	25
13	32	25
14	32	25
15	32	25
16	32	25
17	32	25
18	32	25
19	32	25
20	32	25
21	32	25
22	32	25
23	32	25
24	32	25
25	32	25
26	32	25
27	32	25
28	32	25
29	32	25
30	32	25
31	32	25

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	7	93
18	8	92
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	8	92
25	8	92
26	8	92
27	8	92
28	8	92
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	82
2	82
3	81
4	81
5	80
6	80
7	79
8	79
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	79
17	79
18	80
19	80
20	81
21	81
22	81
23	82
24	82
25	82
26	83
27	83
28	83
29	83
30	83
31	83

	Oppressive (%)	Miserable (%)
1	45	55
2	44	56
3	44	56
4	43	57
5	43	57
6	42	58
7	41	59
8	41	59
9	40	60
10	40	60
11	39	61
12	38	62
13	37	63
14	36	64
15	35	65
16	34	66
17	32	68
18	31	69
19	30	70
20	29	71
21	28	72
22	26	74
23	25	75
24	24	76
25	23	77
26	22	78
27	21	79
28	20	80
29	20	80
30	19	81
31	19	81

	Avg high (°C)	Avg low (°C)
1	32	25
2	32	25
3	32	25
4	32	25
5	32	25
6	32	25
7	32	25
8	32	25
9	32	25
10	32	25
11	32	25
12	32	25
13	32	25
14	32	25
15	32	25
16	32	25
17	32	25
18	32	25
19	32	25
20	32	25
21	32	25
22	32	25
23	32	25
24	32	25
25	32	25
26	32	25
27	32	25
28	32	25
29	32	25
30	32	25
31	32	25

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	7	93
18	8	92
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	8	92
25	8	92
26	8	92
27	8	92
28	8	92
29	8	92
30	8	92
31	8	92

	Rain chance (%)
1	82
2	82
3	81
4	81
5	80
6	80
7	79
8	79
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	79
17	79
18	80
19	80
20	81
21	81
22	81
23	82
24	82
25	82
26	83
27	83
28	83
29	83
30	83
31	83

	Oppressive (%)	Miserable (%)
1	45	55
2	44	56
3	44	56
4	43	57
5	43	57
6	42	58
7	41	59
8	41	59
9	40	60
10	40	60
11	39	61
12	38	62
13	37	63
14	36	64
15	35	65
16	34	66
17	32	68
18	31	69
19	30	70
20	29	71
21	28	72
22	26	74
23	25	75
24	24	76
25	23	77
26	22	78
27	21	79
28	20	80
29	20	80
30	19	81
31	19	81