Pai weather in August

In August, Pai sees average daytime highs of 28°C and overnight lows near 21°C, with 321 mm of rain across 29 wet days and about 12.7 hours of daylight. It is the 9th-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 0% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Pai's 12th-clearest and 7th-windiest month. For the whole year in context, see Pai's year-round climate.

Daytime high: 28°; 9th warmest
Overnight low: 21°; 10th coldest
Rainfall: 321 mm; 29 wet days
Daylight: 12 h 42 min; 6:10 AM – 6:50 PM
Cloud cover: 94%; 12th clearest
Wind: 5 km/h; 7th windiest
Solar energy: 3.74 kWh/m²
Travel score: 3.1; out of 10

← July Pai 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 Pai reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°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	29	29	29	29	29	29
Avg low (°C)	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	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	21
11	28	21
12	28	21
13	28	21
14	28	21
15	28	21
16	28	21
17	28	21
18	28	21
19	28	21
20	28	21
21	28	21
22	28	21
23	28	21
24	28	21
25	28	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21
31	29	21

How August really feels in Pai

Once humidity and wind are folded in, August averages 0 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Pai weather by month

How August compares with the rest of the year at a glance. August is the 9th-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	27° / 12°	16	2.4	11	8.2
Feb	30° / 13°	7	1.4	11.3	6.6
Mar	32° / 16°	21	3.3	11.9	4.8
Apr	33° / 20°	60	7.7	12.4	3.7
May	31° / 21°	193	20.7	12.9	3.3
Jun	29° / 22°	221	25.4	13.1	3.1
Jul	29° / 22°	287	27.7	13.1	3.2
Aug	28° / 21°	321	29	12.7	3.1
Sep	29° / 21°	248	25.6	12.1	3.4
Oct	28° / 20°	116	17.6	11.6	4.9
Nov	27° / 17°	37	6.6	11.1	7.2
Dec	26° / 14°	16	3.2	10.9	8.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 2% of August, with mostly cloudy or overcast conditions the remaining 98%.

	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 (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	3	4	4
Cloudier (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	98	98	98	98	97	97	97	96	96

	Clearer (%)	Cloudier (%)
1	1	99
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	1	99
12	1	99
13	1	99
14	1	99
15	1	99
16	1	99
17	1	99
18	1	99
19	1	99
20	1	99
21	1	99
22	1	99
23	2	98
24	2	98
25	2	98
26	2	98
27	3	97
28	3	97
29	3	97
30	4	96
31	4	96

Chance of precipitation in August

Any precipitation

Pai gets around 321 mm of rain over 29 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 94% and peaks near 95% 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 (%)	95	95	95	95	95	95	95	94	94	94	94	94	94	94	94	94	94	94	94	94	93	93	93	93	92	92	92	91	91	91	91

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	95
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	94
17	94
18	94
19	94
20	94
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	91
29	91
30	91
31	91

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 73% 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 (%)	28	27	27	26	26	26	27	27	27	28	28	28	28	28	29	29	29	29	29	28	28	27	27	26	26	25	25	25	24	24	24
Oppressive (%)	72	73	73	74	74	74	73	73	73	72	72	72	72	72	71	71	71	71	71	72	72	73	73	74	74	75	75	75	76	76	76

	Muggy (%)	Oppressive (%)
1	28	72
2	27	73
3	27	73
4	26	74
5	26	74
6	26	74
7	27	73
8	27	73
9	27	73
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	29	71
16	29	71
17	29	71
18	29	71
19	29	71
20	28	72
21	28	72
22	27	73
23	27	73
24	26	74
25	26	74
26	25	75
27	25	75
28	25	75
29	24	76
30	24	76
31	24	76

Wind in August

Winds average 5 km/h in August.

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

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 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 6:06 AM to 6:14 AM, and sunset from 6:59 PM to 6:38 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)	12.9	12.9	12.9	12.8	12.8	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	12.6	12.5	12.5	12.5	12.5	12.5	12.5	12.4	12.4	12.4
Sunrise (AM)	6:06	6:06	6:06	6:07	6:07	6:07	6:08	6:08	6:08	6:09	6:09	6:09	6:10	6:10	6:10	6:10	6:11	6:11	6:11	6:12	6:12	6:12	6:12	6:13	6:13	6:13	6:13	6:13	6:14	6:14	6:14
Sunset (PM)	6:59	6:58	6:58	6:57	6:57	6:56	6:56	6:55	6:55	6:54	6:54	6:53	6:52	6:52	6:51	6:50	6:50	6:49	6:48	6:47	6:47	6:46	6:45	6:44	6:43	6:43	6:42	6:41	6:40	6:39	6:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.9	6:06	6:59
2	12.9	6:06	6:58
3	12.9	6:06	6:58
4	12.8	6:07	6:57
5	12.8	6:07	6:57
6	12.8	6:07	6:56
7	12.8	6:08	6:56
8	12.8	6:08	6:55
9	12.8	6:08	6:55
10	12.8	6:09	6:54
11	12.7	6:09	6:54
12	12.7	6:09	6:53
13	12.7	6:10	6:52
14	12.7	6:10	6:52
15	12.7	6:10	6:51
16	12.7	6:10	6:50
17	12.6	6:11	6:50
18	12.6	6:11	6:49
19	12.6	6:11	6:48
20	12.6	6:12	6:47
21	12.6	6:12	6:47
22	12.6	6:12	6:46
23	12.5	6:12	6:45
24	12.5	6:13	6:44
25	12.5	6:13	6:43
26	12.5	6:13	6:43
27	12.5	6:13	6:42
28	12.5	6:13	6:41
29	12.4	6:14	6:40
30	12.4	6:14	6:39
31	12.4	6:14	6:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.74 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 6.38 kWh/m² in April across the year — August's 3.74 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)	3.7	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright

	Solar energy (kWh/m²)	Level
1	3.7	Moderate
2	3.6	Moderate
3	3.6	Moderate
4	3.6	Moderate
5	3.6	Moderate
6	3.6	Moderate
7	3.6	Moderate
8	3.6	Moderate
9	3.6	Moderate
10	3.6	Moderate
11	3.6	Moderate
12	3.6	Moderate
13	3.6	Moderate
14	3.6	Moderate
15	3.7	Moderate
16	3.7	Moderate
17	3.7	Moderate
18	3.7	Moderate
19	3.8	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.9	Moderate
24	3.9	Moderate
25	3.9	Moderate
26	3.9	Moderate
27	4.0	Moderate
28	4.0	Moderate
29	4.0	Moderate
30	4.0	Moderate
31	4.0	Bright

Planning a trip in August

Hazard calendar for Pai

In seasonPeak

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

Pai'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 August a good time to visit Pai?

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

3.1

Sightseeing

11th-best month of the year

3.7

Beach & pool

12th-best month of the year

August is a weaker month for outdoor sightseeing in Pai.

What to pack for Pai in August

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

In August, Pai sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Pai in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pai peaks around August 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 7 (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)	8	10	10	10	12	12	13	14	12	11	9	7
Level	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

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

Air quality in Pai 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 Pai is worst in March — around 90 µg/m³ PM2.5 (unhealthy), about 9.6× the cleanest month (October, 9 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)	14	35	90	57	20	11	10	10	10	9	9	11
Level	Moderate	Moderate	Unhealthy	Unhealthy	Moderate	Good	Good	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	35	Moderate
Mar	90	Unhealthy
Apr	57	Unhealthy
May	20	Moderate
Jun	11	Good
Jul	10	Good
Aug	10	Good
Sep	10	Good
Oct	9	Good
Nov	9	Good
Dec	11	Good

Location & terrain

Where is Pai?

Pai sits at 19.4°N, 98.4°E, 0 m above sea level, in Thailand. The nearest listed city is Chiang Mai, 86 km away.

Topography around Pai

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

Within 3 km, the terrain around Pai has significant variations in elevation — a maximum elevation change of 444 m around an average of 563 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,543 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,997 m.

The land around Pai is covered by trees (48%), grassland (23%) and cropland (21%) within 3 km, trees (86%) within 16 km, and trees (91%) within 80 km.

3 km

444 m

trees 48%

16 km

1,543 m

trees 86%

80 km

1,997 m

trees 91%

treesgrasslandcroplandartificial surfaces

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

August weather nearby: Chiang Mai 86 km · Hang Dong 90 km · San Pa Tong 95 km · San Kamphaeng 99 km · Lamphun 105 km · Pa Sang 107 km · Loikaw 134 km · Phayao 152 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 Pai (19.3617°, 98.4397°, elevation 0 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	21
11	28	21
12	28	21
13	28	21
14	28	21
15	28	21
16	28	21
17	28	21
18	28	21
19	28	21
20	28	21
21	28	21
22	28	21
23	28	21
24	28	21
25	28	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21
31	29	21

	Clearer (%)	Cloudier (%)
1	1	99
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	1	99
12	1	99
13	1	99
14	1	99
15	1	99
16	1	99
17	1	99
18	1	99
19	1	99
20	1	99
21	1	99
22	1	99
23	2	98
24	2	98
25	2	98
26	2	98
27	3	97
28	3	97
29	3	97
30	4	96
31	4	96

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	95
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	94
17	94
18	94
19	94
20	94
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	91
29	91
30	91
31	91

	Muggy (%)	Oppressive (%)
1	28	72
2	27	73
3	27	73
4	26	74
5	26	74
6	26	74
7	27	73
8	27	73
9	27	73
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	29	71
16	29	71
17	29	71
18	29	71
19	29	71
20	28	72
21	28	72
22	27	73
23	27	73
24	26	74
25	26	74
26	25	75
27	25	75
28	25	75
29	24	76
30	24	76
31	24	76

	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	21
11	28	21
12	28	21
13	28	21
14	28	21
15	28	21
16	28	21
17	28	21
18	28	21
19	28	21
20	28	21
21	28	21
22	28	21
23	28	21
24	28	21
25	28	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21
31	29	21

	Clearer (%)	Cloudier (%)
1	1	99
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	1	99
12	1	99
13	1	99
14	1	99
15	1	99
16	1	99
17	1	99
18	1	99
19	1	99
20	1	99
21	1	99
22	1	99
23	2	98
24	2	98
25	2	98
26	2	98
27	3	97
28	3	97
29	3	97
30	4	96
31	4	96

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	95
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	94
17	94
18	94
19	94
20	94
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	91
29	91
30	91
31	91

	Muggy (%)	Oppressive (%)
1	28	72
2	27	73
3	27	73
4	26	74
5	26	74
6	26	74
7	27	73
8	27	73
9	27	73
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	29	71
16	29	71
17	29	71
18	29	71
19	29	71
20	28	72
21	28	72
22	27	73
23	27	73
24	26	74
25	26	74
26	25	75
27	25	75
28	25	75
29	24	76
30	24	76
31	24	76

	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	21
11	28	21
12	28	21
13	28	21
14	28	21
15	28	21
16	28	21
17	28	21
18	28	21
19	28	21
20	28	21
21	28	21
22	28	21
23	28	21
24	28	21
25	28	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21
31	29	21

	Clearer (%)	Cloudier (%)
1	1	99
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	1	99
12	1	99
13	1	99
14	1	99
15	1	99
16	1	99
17	1	99
18	1	99
19	1	99
20	1	99
21	1	99
22	1	99
23	2	98
24	2	98
25	2	98
26	2	98
27	3	97
28	3	97
29	3	97
30	4	96
31	4	96

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	95
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	94
17	94
18	94
19	94
20	94
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	91
29	91
30	91
31	91

	Muggy (%)	Oppressive (%)
1	28	72
2	27	73
3	27	73
4	26	74
5	26	74
6	26	74
7	27	73
8	27	73
9	27	73
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	29	71
16	29	71
17	29	71
18	29	71
19	29	71
20	28	72
21	28	72
22	27	73
23	27	73
24	26	74
25	26	74
26	25	75
27	25	75
28	25	75
29	24	76
30	24	76
31	24	76