Climate and monthly weather forecast
Ko Sichang, Thailand

Climate and monthly weather forecast

The climate of Ko Sichang

Located in Thailand, Ko Sichang bears the emblem of the Aw Köppen climate classification - Tropical wet and dry or savanna. The prevalent climate conditions marry tropical heat with a noticeable dry and wet season differential. Perpetual warmth notches up the average monthly temperatures in a range from 29.9°C (85.8°F) at the cooler end in December, to a soaring peak of 33°C (91.4°F) in April. The temperature of the sea, in this tropical paradise, follows a highly consistent pattern throughout the year, fluctuating from 26.8°C (80.2°F) in January to a high of 30°C (86°F) in May.

Rainfall varies drastically over the year, shaping the prevalent weather pattern. The driest month is January with only 11mm (0.43") of rainfall while September takes the lead as the wettest month, boasting 269mm (10.59"). Correspondingly, the number of rainy days manifests a similar trajectory; January and December enjoy the fewest rainy days, standing at 1 and 2 days respectively, whilst the number inflates to reach a peak of 18 in September.

Humidity lurks on the higher boundary of the scale throughout the entire year. With relative humidity ranging between a minimum of 68% in December, meandering to a maximum of 82% in October. The daylight hours retain a stable pattern, with a slight change from 11.4 hours in December to a brighter 12.9 hours in June and July.

The best time to visit Ko Sichang

Shaded from extensive rainfall and enjoying abundant sunshine, the period from December to February comes across as the most opportune time to pay a visit to Ko Sichang. The temperature during these months remains relatively mild compared to the scorching heat of the summer months, oscillating between 22.5°C (72.5°F) to 31°C (87.8°F). The rainfall is also at its lowest level for the year, with January and December recording the lowermost rainfall totals, 11mm (0.43") and 9mm (0.35") respectively.

The worst time to visit Ko Sichang

Visitors may want to consider seeking other landscapes during the period from May to September. These months mark the rainiest season with the highest rainfall recorded in May at 134mm (5.28"), precipitating further to reach a crescendo at 269mm (10.59") in September. The number of rainy days during this period also climbs up to a hefty total of 13 to 18 days per month. Alongside this, the temperature during these months hovers from 25.1°C (77.2°F) to 33°C (91.4°F), simmering with tropical intensity.

Spring weather in Ko Sichang

As Ko Sichang ushers in the spring from March to May, there is a noticeable rise in the temperatures. March starts off with a range of temperatures from 26°C (78.8°F) to 31.9°C (89.4°F), culminating in an apex of 33°C (91.4°F) by May. Certainly, not devoid of rain, the amount of precipitation begins to rise in dramatic leaps from 50mm (1.97") in March to an imposing 134mm (5.28") in May. The number of daylight hours slowly advances from 12.1 hours in March and peaks at 12.7 hours in May.

Summer weather in Ko Sichang

The summer months in Ko Sichang fall from June to August. This period reveals a steep descent in rainfall from its May high, spiraling down to a slightly moderate 123mm (4.84") by July, only to ascend again to 137mm (5.39") in August. Temperatures during these months are routinely nestled in the high twenties to low thirties, befitting the tropical climate. Daylights hours fall a slight step to 12.8 hours in June and July, curtailing further to 12.6 hours by August.

Autumn weather in Ko Sichang

September to November in Ko Sichang heralds the autumn season. September witnesses a gush in precipitation, soaring to a yearly high of 269mm (10.59"). However, rainfall begins to recede in October, tarrying at 207mm (8.15"), and then considerably downscales to 61mm (2.4") by the end of November. The temperature remains fairly steady, with a night-time low of around 25.1°C (77.2°F) in September to a day-time high of 30.9°C (87.6°F) in November.

Winter weather in Ko Sichang

The winter months, namely, December to February are distinguished by a sharp drop in rainfall. The precipitation figures transition from 61mm (2.4") in November to a scanty 11mm (0.43") in January, maintaining the low figure into February. The temperatures stay relatively consistent, with a minimum of 22.5°C (72.5°F) in December rising to a maximum of 31°C (87.8°F) by February. Daylight hours slight down to 11.4 hours in December, gradually escalating to 11.7 hours by February.

Weather in January

January in Ko Sichang, Thailand, showcases a pleasant weather pattern with its lower temperature. Compared to the following month, the weather is relatively cooler and dry. The lower humidity levels of 73% and the shorter daylight duration of 11.5 hours may account for these cooler temperatures. Weather in January »

Weather in February

February in Ko Sichang sees a rise in temperature, rainfall, and humidity from the previous month, signaling the onset of the warmer season. The increase in temperature stimulates greater sea activity as sea temperatures also rise. Weather in February »

Weather in March

March in Ko Sichang witnesses significant shifts in weather patterns as it transitions from February's drier conditions to more rainfall, registering at 50mm (1.97") over three days during the month. As the season progresses, temperature and humidity levels remain relatively stable, although there's a slight increase compared to the previous month. Weather in March »

Weather in April

In April, Ko Sichang faces some of the highest rainfall levels for the year at 77mm (3.03") dispersed over five days. This sharp increase from March contributes to the growth of lush tropical vegetation typical to the area. Despite the increase in precipitation, April sees the continuation of high temperature patterns from March. Weather in April »

Weather in May

The weather in May in Ko Sichang sees a further increase in rainfall, peaking at the year's highest level of 134mm (5.28"), with precipitation observed on 13 days. The rise in rainfall does not have a significant effect on the temperature, which still remains on the higher side. Weather in May »

Weather in June

June in Ko Sichang maintains the weather patterns seen in May, with high rainfall and constant high temperatures. Despite the high rainfall, June provides ample sunlight with 12.9 hours of daylight per day. The continued high sea temperature makes water-related activities enjoyable in Ko Sichang. Weather in June »

Weather in July

July observes a marginal decrease in rainfall from 125mm (4.92") in June to 123mm (4.84") over 13 days in the month. Notably, the region experiences relatively consistent temperature levels from June to July. These weather conditions contribute to maintaining Ko Sichang's green and lush tropical environment. Weather in July »

Weather in August

The weather patterns in August in Ko Sichang indicates another peak in the rainfall at 137mm (5.39") throughout the month. This signals the onset of another brief rainy period. This spike in precipitation, however, does not significantly affect the temperature or daylight hours. Weather in August »

Weather in September

September, in Ko Sichang, is distinguished as the month with the highest rainfall, magnifying considerably from August to a remarkable 269mm (10.59") across 18 days. This increase in rainfall contributes to the high relative humidity in September. Weather in September »

Weather in October

October in Ko Sichang signals a change, with the weather transitioning from the wet conditions of September to noticeably drier climes. The heavier rainfall period ends, helping to usher in the more pleasant weather that characterizes the end of the year. Weather in October »

Weather in November

As November approaches in Ko Sichang, a substantial drop in rainfall is observed, significantly decreasing from October to just 61mm (2.4"), experienced over seven days. The change in weather conditions facilitates a partial drying of the landscape. Weather in November »

Weather in December

December in Ko Sichang marks the lowest temperatures and humidity of the year. The rainfall decreases drastically to 9mm (0.35"), experienced over just two days. The drop in temperature combined with the reduced rainfall and humidity offers a refreshing respite from the high levels experienced throughout the year. Weather in December »

Frequently asked questions

How many days does it rain in Ko Sichang?
In Ko Sichang, Thailand, during the entire year, the rain falls for 106 days and collects up to 1219mm (47.99") of precipitation.
What is the month with the coldest sea water in Ko Sichang?
The month with the coldest seawater in Ko Sichang, Thailand, is January, with an average sea temperature of 26.8°C (80.2°F).
What is the hottest time of year in Ko Sichang?
April is the month when Ko Sichang's temperatures reach their peak, with averages of 33°C (91.4°F) and lows of 27.1°C (80.8°F).
What month is the sea warmest in Ko Sichang?
With an average sea temperature of 30°C (86°F), May is the month with the warmest seawater.
When are the longest days in Ko Sichang?
June has the longest days of the year, with an average of 12h and 54min of daylight.
What is the wettest month in Ko Sichang?
The month with the most rainfall in Ko Sichang, Thailand, is September, when the rain falls for 18 days and typically aggregates up to 269mm (10.59") of precipitation.
What is the most humid month in Ko Sichang?
The most humid month in Ko Sichang is October, with an average relative humidity of 82%.
What is the coldest time of year in Ko Sichang?
During the coldest month in Ko Sichang, December, temperatures average a high of 29.9°C (85.8°F) and a low of 22.5°C (72.5°F).
What is the least humid month in Ko Sichang?
With an average relative humidity of 68%, December is the least humid month.
What is the driest month in Ko Sichang?
The month with the least rainfall in Ko Sichang, Thailand, is December, when the rain falls for 2 days and typically collects 9mm (0.35") of precipitation.
What is the month with the shortest days in Ko Sichang?
December has the shortest days of the year, with an average of 11h and 24min of daylight.
Is there Daylight Saving Time (DST) in Ko Sichang?
Ko Sichang does not observe Daylight Saving Time (DST). +07 timezone is used over the entire year.
Average temperature - Ko Sichang, Thailand
Average temperature
Ko Sichang, Thailand

The warmest month (with the highest average high temperature) is April (33°C).
The month with the lowest average high temperature is December (29.9°C).

The month with the highest average low temperature is April (27.1°C).
The coldest month (with the lowest average low temperature) is December (22.5°C).

Average humidity - Ko Sichang, Thailand
Average humidity
Ko Sichang, Thailand

The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is December (68%).

Average rainfall - Ko Sichang, Thailand
Average rainfall
Ko Sichang, Thailand

The wettest month (with the highest rainfall) is September (269.2mm).
The driest month (with the least rainfall) is December (8.5mm).

Average rainfall days - Ko Sichang, Thailand
Average rainfall days
Ko Sichang, Thailand

The month with the highest number of rainy days is September (18 days).
The month with the least rainy days is January (1 days).

Average sea temperature - Ko Sichang, Thailand
Average sea temperature
Ko Sichang, Thailand

The best month for swimming (with the highest average sea temperature) is May (30°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight - Ko Sichang, Thailand
Average daylight
Ko Sichang, Thailand

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

englishespañol中文
Share