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Weather in Kanchanaburi: the climate month by month

When to go to Kanchanaburi, how hot it gets and when the rain comes: every month in detail, from the official climate averages of the Thai Meteorological Department, with my own advice on top.

Kylian DevBy Kylian Dev

  • Official 1991–2020 averages
  • 12 months in detail
  • Best time: November to April

In short

The best time to visit Kanchanaburi is November to April, the driest period of the year. The rainy season runs from July to October, and the wettest month is September, with 219 mm of rain over about 14 days. Daytime highs range from 31.7°C in December to 38°C in April, and nights never drop below about 20.3°C on average.

At a glance

Rain and temperatures in Kanchanaburi, month by month

Bars show average rainfall; figures above them are the average daytime high and night-time low.

Dry (under 100 mm)Some rain (100 to 200 mm)Rainy (over 200 mm)°/° °C · mm

Month by month

Climate table for Kanchanaburi

Click a month to see what else happens in Thailand that month: festivals, crowds and the best regions.

MonthHighLowRainRainy daysHumidityVerdict
January33 °C20.4 °C8 mm165 %Dry
February35.3 °C22.1 °C18 mm163 %Dry
March37 °C24.3 °C39 mm363 %Dry
April38 °C25.6 °C66 mm463 %Dry
May36.3 °C25.7 °C139 mm1070 %Some rain
June34.8 °C25.3 °C99 mm1072 %Dry
July33.9 °C24.9 °C106 mm1173 %Some rain
August33.8 °C24.8 °C101 mm1174 %Some rain
September33.7 °C24.5 °C219 mm1477 %Rainy
October32.4 °C23.7 °C206 mm1279 %Rainy
November32.1 °C22.3 °C45 mm472 %Dry
December31.7 °C20.3 °C7 mm166 %Dry

Total rainfall over the year: 1,053 mm.

Month by month

Kanchanaburi in each month of the year

Kanchanaburi in January

Dry

Average highs of 33°C and lows of 20.4°C, with 8 mm of rain over about 1 days. A dry month: one of the best times to go.

Kanchanaburi in February

Dry

Average highs of 35.3°C and lows of 22.1°C, with 18 mm of rain over about 1 days. A dry month: one of the best times to go.

Kanchanaburi in March

Dry

Average highs of 37°C and lows of 24.3°C, with 39 mm of rain over about 3 days. A dry month: one of the best times to go.

Kanchanaburi in April

Dry

Average highs of 38°C and lows of 25.6°C, with 66 mm of rain over about 4 days. A dry month: one of the best times to go.

Kanchanaburi in May

Some rain

Average highs of 36.3°C and lows of 25.7°C, with 139 mm of rain over about 10 days. Some showers, usually short: still a good month to go.

Kanchanaburi in June

Dry

Average highs of 34.8°C and lows of 25.3°C, with 99 mm of rain over about 10 days. A dry month: one of the best times to go.

Kanchanaburi in July

Some rain

Average highs of 33.9°C and lows of 24.9°C, with 106 mm of rain over about 11 days. Some showers, usually short: still a good month to go.

Kanchanaburi in August

Some rain

Average highs of 33.8°C and lows of 24.8°C, with 101 mm of rain over about 11 days. Some showers, usually short: still a good month to go.

Kanchanaburi in September

Rainy

Average highs of 33.7°C and lows of 24.5°C, with 219 mm of rain over about 14 days. A rainy month: expect a shower most days and keep plans flexible.

Kanchanaburi in October

Rainy

Average highs of 32.4°C and lows of 23.7°C, with 206 mm of rain over about 12 days. A rainy month: expect a shower most days and keep plans flexible.

Kanchanaburi in November

Dry

Average highs of 32.1°C and lows of 22.3°C, with 45 mm of rain over about 4 days. A dry month: one of the best times to go.

Kanchanaburi in December

Dry

Average highs of 31.7°C and lows of 20.3°C, with 7 mm of rain over about 1 days. A dry month: one of the best times to go.

Seasons

The three things to know about the weather in Kanchanaburi

Best time

November to April. Least rain of the year, calmer sea on the coast and lots of sunshine. It is also the high season: book early.

Rainy season

July to October. Rain usually comes as heavy showers, often in the afternoon or at night, rather than all day. Peak in September (219 mm).

Hottest month

April, with average highs of 38°C and high humidity. Plan outdoor visits early in the morning.

My advice

What the numbers don't say about Kanchanaburi

Kanchanaburi is one of the hottest places in Thailand in April, often over 38°C: visit Erawan Falls early in the morning. November to February is ideal for the River Kwai and hiking. The rainy season fills the waterfalls, but some trails become muddy and the lake level at the national parks rises.

Kanchanaburi & Erawan
Kanchanaburi & Erawan

Where these figures come from

Monthly averages over 1991–2020 from the Kanchanaburi weather station of the Thai Meteorological Department, as published in the World Meteorological Organization climate normals. They describe a typical year, not a forecast: a given year can be wetter or drier.

Data table (Wikipedia, WMO/TMD normals)
Everything about KanchanaburiThings to do, food, getting there and budget.Thailand month by monthCompare every region for the month you travel.Travelling in the rainy seasonWhere it rains less and how to plan around it.

FAQ

Weather in Kanchanaburi: your questions

When is the best time to visit Kanchanaburi?

November to April is the best time: it is the driest period of the year in Kanchanaburi, with the most sunshine. It is also the busiest and most expensive season, so book early.

Where to stay in Kanchanaburi
When is the rainy season in Kanchanaburi?

The rainy season runs from July to October. The wettest month is September, with about 219 mm of rain over 14 days on average. Showers are heavy but often short: add a light rain jacket to your Thailand packing list.

What is the hottest month in Kanchanaburi?

April is the hottest month, with average highs of 38°C. The most pleasant month for temperatures is December, with highs of 31.7°C.

Is it worth going to Kanchanaburi in the rainy season?

Yes, if you stay flexible. Prices drop, there are fewer tourists and the scenery is green. Expect a shower most days, allow spare days for boat trips and get travel insurance that covers cancellations.

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