Phuket in August:
very hot, rain on every second day

Phuket, Thailand · Records from 2006 to 2025. Not a forecast.

Mean high32°Hottest day 33.6° (2020)
Mean low26°Coldest night 24° (2008)
Rain days16 days11-24 by year
Rainfall274mmDaylight 12.5 → 12.3 h
Phuket's 12 months iBest: December to February
Trip types Beach Poorfrequent rainSightseeing on foot Poorhot, frequent rain and muggy
Humidity82%31 muggy days
Clear days0 days24 overcast days
Mean wind18 km/h2 windy days
Sea temperature30°29.5-30.5° by year (last 6)
Sunrise / sunset (15th)06:20 / 18:43Daylight 12.5 → 12.3 h

Phuket in August

A wet month. Island-tour boats can be cancelled depending on the weather, so check the cancellation and refund terms when you book. Rain often comes in one hard burst and then stops.

Phuket in August ran hot: 32°C by day and 26°C at night. By midday the shade was the best seat in town. Rain was a regular part of the month, showing up on 16 days on average. It varied a lot from year to year. August 2020 had 11 rain days; 2016 had 24.

With 31 days above 30°C on average, most of the month felt like high summer. Rain days averaged 17 mm each, so when it rained it rained properly.

Typhoons i No tropical storm passed within 300 km in this month over the last 20 years. Typhoons: January and November

Date by date i

‹ July August 2027 September ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-7rain on 49% of days32° 26°
8-14rain on 49% of days32° 26°
15-21rain on 49% of days32° 26°
22-28rain on 62% of days32° 25°
29-31rain on 55% of days32° 25°

0-5/206-8/209-11/2012-20/20

1-7rain on 49% of days32° 26°
8-14rain on 49% of days32° 26°
15-21rain on 49% of days32° 26°
22-28rain on 62% of days32° 25°
29-31rain on 55% of days32° 25°
Tap another date to change

2006none
2007none
200826mm
200920mm
201010mm
201111mm
201219mm
2013none
2014none
20152mm
20166mm
2017none
201835mm
201912mm
2020none
202115mm
202211mm
2023none
20249mm
202522mm
Holidays in August (2027)
  • August 12 Mother's Day (Queen Sirikit's Birthday)

1 Local public holiday or break (busier, pricier)

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
4 d 16 d
2007
0 d 17 d
2008
3 d 13 d
2009
4 d 19 d
2010
2 d 18 d
2011
0 d 14 d
2012
0 d 13 d
2013
6 d 14 d
2014
4 d 15 d
2015
6 d 20 d
2016
5 d 24 d
2017
6 d 14 d
2018
3 d 13 d
2019
1 d 16 d
2020
3 d 11 d
2021
6 d 21 d
2022
3 d 16 d
2023
2 d 15 d
2024
6 d 19 d
2025
4 d 17 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
9
11
10
8
7
12
11
7
10
9
11
12
9
11
11
10
10
8
10
8
11
13
11
13
13
11
13
13
12
12
9
Rain days on trip
40342006465631363264

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2020 had 11 rain days, 2016 had 24.

Phuket through the year

MonthHighLowRain daysRainfallSea
JanuaryGood 33°25°5 days68mm 29°
FebruaryGood 34°26°3 days38mm 29°
March 35°26°6 days78mm 30°
April 34°26°10 days154mm 31°
May 33°26°16 days245mm 31°
June 33°26°15 days255mm 30°
July 32°26°16 days248mm 30°
August 32°26°16 days274mm 30°
September 32°25°17 days366mm 30°
October 32°25°19 days340mm 29°
November 32°25°14 days198mm 29°
DecemberGood 32°25°8 days89mm 29°

Common questions

Does it rain a lot in Phuket in August?

Over the past 20 years August averaged 16 rain days (1 mm or more) out of 31. Individual years ran from 11 in the driest to 24 in the wettest.

What should I wear in Phuket in August?

Days averaged 32°C and nights 26°C. Pack an umbrella, sandals that can get wet, T-shirts, sunscreen plus a hat, a swimsuit, and insect repellent.

Can you swim in Phuket in August?

Sea surface temperature averaged 30°C in August, warm enough to stay in for a long swim. Year to year it ranged 29.5-30.5°C. Check local flags for waves and jellyfish on the day.

Is August a good time to visit Phuket?

On warmth and rain days alone, Phuket's easiest months were December to February. August ranked 9 of 12.

Is Phuket humid in August?

Mean relative humidity was 82%, with about 31 muggy days (dew point of 20°C or more) in the month.