Climate and monthly weather forecast
Sukhothai, Thailand

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The climate of Sukhothai

Sukhothai in Thailand is characterized by a tropical wet and dry climate, defined in the Köppen climate classification as 'Aw'. This is a predominant climate typified by defined dry and wet seasons, high temperatures throughout the year, and a geographical position close to the equator. The climate here is essentially influenced by the presence of the monsoons. This tropical climate governs the weather patterns of Sukhothai with a clear distinction between the dry and wet periods.

The weather begins to heat up from February until May, with average high temperatures ranging from 32°C (89.6°F) to a peak of 38°C (100.4°F). Nights during these months also remain warm with lows ranging from 17°C (62.6°F) to 25°C (77°F). The annual peak in rainfall occurs in September with 243mm (9.57") expected over 18 days. Rainfall is significantly low in the dry season, dropping to just 5mm (0.2") in December.

Having 5 hours of sunlight a day in August is a unique weather trend, coinciding with heavy rainfall as monsoon sets in. The city gets plenty of daylight, between 11.1 hours in December to 13.1 hours in June. The UV Index is generally high throughout the year, peaking at 12 from March to September, indicating a very high potential for skin damage without sun protection.

The best time to visit Sukhothai

The ideal time to tour Sukhothai is from November to February when the weather is relatively cooler and mostly dry. Average high temperatures range from 31°C (87.8°F) to 33°C (91.4°F), and lows range from 18°C (64.4°F) to 25°C (77°F). Throughout this period, rainfall decreases with a minimal fall recorded at 5mm (0.2") in December over just one day. These months are characterized by 8 to 9 hours of sunshine per day, allowing tourists to explore the city's beauty comfortably.

The worst time to visit Sukhothai

Travellers might want to avoid the peak wet months from July to October. During these months, rainfall augments significantly, reaching a peak of 243mm (9.57") in September over a period of 18 days. Higher rainfall means a higher chance of disruption to outdoor activities. Concurrently, the amount of sunshine per day decreases to 5 hours from July to September.

Spring weather in Sukhothai

The spring in Sukhothai, from March to May, is characterized by rising temperatures and increasing rainfall. Average high temperatures escalate from 37°C (98.6°F) in March to 38°C (100.4°F) in April, making it the hottest month of the year. Similarly, nightly temperatures also increase, peaking at 25°C (77°F) in these months. Rainfall starts to pick up from 8mm (0.31") in February to 52mm (2.05") in April.

Summer weather in Sukhothai

The summer season from June to August sees a drastic increase in rainfall due to the onset of the monsoons. July registers the highest rainfall of 136mm (5.35"), followed by 183mm (7.2") in August. The temperatures start to moderate a bit, although the conditions remain warm with average highs oscillating between 33°C (91.4°F) to 36°C (96.8°F), and low temperatures predominantly at 25°C (77°F).

Autumn weather in Sukhothai

The months of September to November signify the autumn season. This period records the highest rainfall, with September being the wettest month with 243mm (9.57") of rainfall over 18 days. The temperatures exhibit a slight drop with average highs from 33°C (91.4°F) in September to 32°C (89.6°F) in November and average lows from 24°C (75.2°F) to 21°C (69.8°F).

Winter weather in Sukhothai

Winter in Sukhothai runs from December to February. This period enjoys a decrease in rainfall, from 38mm (1.5") in November to just 5mm (0.2") in December. Average high temperatures range from 32°C (89.6°F) to 33°C (91.4°F), and average lows fluctuate between 18°C (64.4°F) and 20°C (68°F), offering cooler conditions compared to other seasons. It is a pleasant time for visitors hoping to avoid the heat and heavy rainfall synonymous with other parts of the year.

Weather in January

The beginning of the year in Sukhothai, Thailand, delivers relatively modest temperatures and minimal rainfall, providing pleasant weather for outdoor exploration. Comparatively cooler than the following months, this period in Sukhothai is known for its comfortable daytime temperatures and moderate UV index. Weather in January »

Weather in February

Despite the still fresh landscapes from the slight January rain, February experiences a slight increase in both temperature and rainfall. The shift towards warmer weather is marked by recurrent episodes of balmy breezes throughout the day. Weather in February »

Weather in March

March heralds the approach of warmer conditions, with the climate in Sukhothai becoming noticeably hotter compared to February. The humidity is yet to set in, making sightseeing a still enjoyable activity despite the escalating heat. Weather in March »

Weather in April

With temperatures peaking and the heat becoming more prominent, April signifies the advent of the hot season in Sukhothai, Thailand. The comparatively high temperatures during this time are intensified by the equally strong solar radiation indicated by the UV index, demanding caution and adequate heat protection. Weather in April »

Weather in May

With the onset of May in Sukhothai comes an upsurge in rainfall, transforming the landscape into a tapestry of lush greenery. The remaining heat from April fades, and temperatures start decreasing, providing a much-needed respite from the intense heat. Weather in May »

Weather in June

Sukhothai in June is an oasis of greenery as the monsoon rains blanket the landscape, moderating the temperatures and offering a refreshing ambiance. The drop from May's peak rainfall results in relatively less cloudy days and the return of sunnier skies, although the amount of rain remains significant. Weather in June »

Weather in July

July marks the continuation of the monsoon season in Sukhothai, characterized by slightly reduced temperatures and continued, although slightly less, precipitation. The persistent rain culminates into a verdant landscape that is comparable to a tropical paradise. Weather in July »

Weather in August

August in Sukhothai demonstrates the peak of the rainy season. The month brings an excellent balance between rainy and sunny days. The heavy rainfall revitalizes the lush landscapes of Sukhothai, maintaining moderate temperatures ideal for exploration. Weather in August »

Weather in September

As Sukhothai transitions into autumn, September carries in a change in weather. The rainfall remains significant, yet a declining trend commences as the monsoon season gradually withdraws. Despite the heavy rains, ample hours of daylight offer tourists time to absorb the city's traditional charm. Weather in September »

Weather in October

October signifies a period of respite from the relentless monsoon rains in Sukhothai. Temperatures slightly cool down from the hot months, allowing for more agreeable weather. The elongated bouts of sunshine begin to replace the monsoon clouds and brighten up the city. Weather in October »

Weather in November

The arrival of November in Sukhothai signifies the advent of the colder season, with a noticeable dip in temperature. This period marks the end of the rainy season, and the landscaped bathed in previous months' precipitation appear particularly greener. Weather in November »

Weather in December

December completes the weather cycle in Sukhothai, ushering in the cooler period of the year. A major reduction in rainfall is matched by a drop in temperature, providing favorable weather for outdoor activities. The decline in the UV index alleviates the harshness of the sun, ensuring comfortable daytime temperatures. Weather in December »
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Frequently asked questions

How many days does it rain in Sukhothai?

Throughout the year, in Sukhothai, Thailand, there are 114 rainfall days, and 1192mm (46.93") of precipitation is accumulated.

What is the month with the most sunshine in Sukhothai?

The months with the most sunshine in Sukhothai, Thailand, are January through April, with an average of 9h of sunshine.

What are the months with the highest UV index in Sukhothai?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

What month is the hottest in Sukhothai?

The warmest period is April, when temperatures fluctuate between an average high of 38°C (100.4°F) and a low of 25°C (77°F).

When are the longest days in Sukhothai?

The month with the longest days is June, with an average of 13h and 6min of daylight.

What are the months with the least sunshine in Sukhothai?

July and August, with an average of 5h of sunshine, are months with the least sunshine in Sukhothai, Thailand.

What is the rainiest month in Sukhothai?

The month with the most rainfall is September, when the rain falls for 18 days and typically aggregates up to 243mm (9.57") of precipitation.

What part of the year is the coldest in Sukhothai?

During the coldest month in Sukhothai, December, temperatures average a high of 31°C (87.8°F) and a low of 18°C (64.4°F).

What is the driest month in Sukhothai?

December is the month with the least rainfall. Rain falls for 1 days and accumulates 5mm (0.2") of precipitation.

What is the month with the shortest days in Sukhothai?

December has the shortest days of the year, with an average of 11h and 6min of daylight.

Is there Daylight Saving Time (DST) in Sukhothai?

Sukhothai does not observe Daylight Saving Time (DST). +07 timezone is used over the entire year.

When is the lowest UV index in Sukhothai?

The month with the lowest UV index in Sukhothai is December, with an average maximum UV index of 8.

Average rainfall
Sukhothai, Thailand

Average rainfall - Sukhothai, Thailand

The wettest month (with the highest rainfall) is September (243mm).
The driest month (with the least rainfall) is December (5mm).

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Average rainfall days
Sukhothai, Thailand

Average rainfall days - Sukhothai, Thailand

The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are January and December (1 days).

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Average daylight / Average sunshine
Sukhothai, Thailand

Average daylight / Average sunshine - Sukhothai, Thailand

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

The months with the most sunshine are January, February, March and April (Average sunshine: 9h).
The months with the least sunshine are July and August (Average sunshine: 5h).

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Average UV index
Sukhothai, Thailand

Average UV index - Sukhothai, Thailand

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

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Sukhothai, Thailand

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