City by Month

Bangkok in August

In August, Bangkok has a daily high of 32.6 °C (90.7 °F) and a daily low of 25.6 °C (78.1 °F), as 1991-2020 model estimates; figures in brackets are converted. The daily high is a model estimate, adjusted against station records. There is no data for rain: Not published: the model failed our station test in tropical cities.

Last updated : back, with ERA5-Land model estimates.

Best time to visit Bangkok: August misses our rule: days are 4.6 °C over our 28 °C (model estimates). Expect days that shorten by 20 min.

What August is like in Bangkok

How we choose these portraits

Key figures

Weather in August, 1991-2020 model estimates

Daily high
32.6 °C (90.7 °F)
Daily low
25.6 °C (78.1 °F)
Rain
no data
Sunshine
no data

Model estimate 1991-2020, not a weather station: ERA5-Land model estimates (Copernicus), computed by City by Month for the grid cell nearest the city. Daily high: model estimate, adjusted against station records. Licence: CC BY 4.0. Checked . How we make and test model estimates

Model estimate for the ERA5-Land grid cell at 13.7° N, 100.5° E, 6 km from the city centre point.

How we define and convert these figures

Notes. Rain: Not published: the model failed our station test in tropical cities. Sunshine: Not in our ERA5-Land estimates.

Daylight on 15 August 2026

Sunrise
06:05 local time
Sunset
18:40 local time
Day length
12 h 35 min

Day length 1-31 August: 12 h 44 min to 12 h 24 min, -20 min.

How we compute daylight

Source: NOAA Solar Calculator equations, checked .

Month by month

Each month: daily high in °C, 1991-2020 model estimates. Rain: no data.

ERA5-Land model estimates 1991-2020, as above, checked .

This month against the year

Bangkok: August ranked against the 12 months
MeasureAugustRank
Daily high32.6 °C6th coldest
Daily low25.6 °C6th warmest
Rainno datano data
Sunshineno datano data
Day length12 h 35 min4th longest

Equal values share a rank. How we rank months

ERA5-Land model estimates 1991-2020, as above, checked .

Day length: NOAA solar equations, checked .

Public holidays this month

Bangkok: public holidays in August 2026
DateHoliday
WednesdayH.M. Queen Sirikit the Queen Mother’s Birthday and Mother’s Day

Typed from the official list and re-checked, .

August 2027: no data. No government list for 2027 yet.

How we check holidays

Source: Official public holiday list (soc.go.th), checked ; holidays Python library, checked . Library: holidays 0.105.

Same month in 8 model-estimate cities

Bangkok is warmer than 6 of our 8 model-estimate cities in August by mean daily high. How we rank cities

Closest high and low in August: Delhi (0.8 °C apart), Mumbai (2.1), Istanbul (3.9).

August in 8 model-estimate cities: daily high and low, monthly rain, 1991-2020 model estimates. Bars: high and low share one scale, coldest to warmest city; rain starts at zero.
CityGap from Bangkok, °CHigh, °CLow, °CRain, mmSunshine, hours
Bangkok (this page)—32.625.6no datano data
Delhi (closest)0.833.726.0no datano data
Mumbai (closest)2.128.925.1no datano data
Istanbul (closest)3.929.121.423.7no data
Lisbon5.628.119.05.8no data
Porto6.627.717.326.3no data
Sydney14.818.99.750.3no data
Melbourne18.115.36.759.5no data

Sources (1991-2020): ERA5-Land model estimates, checked . Each city's page names its grid cell. All sources in full on Methodology.

All cities in August

Sources

Official sources

Cite this page: City by Month. "Bangkok in August: weather, daylight, holidays". https://citybymonth.com/cities/thailand/bangkok/august/. Last updated 8 November 2026.