The climate of Cha-am
Influenced centrally by Tropical wet and dry or savanna conditions, the geographic location of
Cha-am,
Thailand carries the Köppen climate classification of 'Aw'. The climate unfolds a distinct pattern throughout the year - a steady procession from mild, dry season to a moist, rainy season marked by the numerical figures documented below.
Upon observing the temperature data, it is found that consistently over the year, high temperatures range from 29°C (84.2°F) to 33°C (91.4°F) and the low temperatures range from 20°C (68°F) to 25°C (77°F).
January and
December experience the lowest temperatures, whereas
April and
May are the warmest months. April to
June stand out with high temperatures, reaching 33°C (91.4°F). Concurrently, sea temperatures are quite stable throughout the year, varying from 28°C (82.4°F) to 30°C (86°F).
Rainfall in Cha-am shows a clear pattern: dry during early months, the rainfall increases significantly from April to
October. The highest rainfall of 223mm (8.78") occurs in October, with nearly half of the month experiencing rain. On the other hand, the least rainfall of 12mm (0.47") is noticed in January. Correspondingly, daylight hours show slight variation from 11.4 hours to 12.9 hours. Sunshine hours stand markedly low from May to
September, with only around 5 hours of sunshine per day, while other months enjoy around 9 hours of sunshine.
A strong UV index characterizes Cha-am throughout the year. Particularly high indexes, of 12, are marked from
February to September, potentially posing a concern for those with sensitive skin.
The best time to visit Cha-am
The period of the year serving the best conditions for visiting
Cha-am spreads from
January to
March. This period of the year witnesses lesser precipitation, with rainfall figures peaking from 12mm (0.47") to 31mm (1.22") over these months. The average temperature lies between 29°C (84.2°F) and 31°C (87.8°F), additionally accommodating a lower UV index of 9 to 12.
The worst time to visit Cha-am
The time to avoid, weather-wise, when planning a visit to
Cha-am, is certain to be
May to
October. The crux of Cha-am's rainy period happens during these months, the pattern of rainfall showing a steep increase from 139mm (5.47") in May to the maximum 223mm (8.78") in October. Coinciding with this period, the average hours of sunshine drops to only 5 hours a day, compared to
January when there is around 9 hours of sunshine daily, considerably reducing outdoor opportunities.
Spring weather in Cha-am
Spring season in
Cha-am, during
March to
May, witnesses an uptick in both temperature and precipitation. The high temperatures range from 31°C (87.8°F) to 33°C (91.4°F), while low temperatures vary between 23°C (73.4°F) and 25°C (77°F). There may be some rain, but the months of March and
April still retain moderate rainfall at 31mm (1.22") and 48mm (1.89") respectively. However, by May rainfall escalates to a hefty 139mm (5.47"). Coupled with a high UV index of 12, preventive measures may be necessary for visitors during spring.
Summer weather in Cha-am
Official summer months in
Cha-am,
June through
August, are marked by high levels of rainfall, totalling around 109mm (4.29") to 134mm (5.28") respectively through the months. Competing high temperatures ranging from 32°C (89.6°F) to 33°C (91.4°F) persist, while low temperatures stand invariably at 25°C (77°F). The sea temperatures remain moderately warm at around 29°C (84.2°F) to 30°C (86°F). These months come with reduced sunshine hours, falling to just about 5 hours daily.
Autumn weather in Cha-am
The Autumn period that spans
September through
November is characterized by heavy rainfall, especially towards the end of September and in
October, reaching its yearly peak at 223mm (8.78"). The high temperature varies from 32°C (89.6°F) to 30°C (86°F) and the low temperature stands steadily between 24°C (75.2°F) to 23°C (73.4°F). UV index during this period remains strong at 12 in September, gradually falling to 10 in November, while sunshine hours begin to rise again to around 6 to 7 hours daily.
Winter weather in Cha-am
Winter in
Cha-am, spanning
December through
February, offers a milder and relatively drier weather experience. Rainfall drops significantly, down to 16mm (0.63") in December and 12mm (0.47") in
January, before gradually increasing to 24mm (0.94") in February. High temperatures hover between 29°C (84.2°F) to 31°C (87.8°F), with low temperatures dropping to 21°C (69.8°F) in December and climbing again to 22°C (71.6°F) by February. The daylight hours remain mostly constant, while sunshine hours rise to approximately 9 hours a day, making it an opportune time for sightseeing and other outdoor activities.
Weather in January
Cha-am,
Thailand, greets the new year with a delightful blend of warmth and sunshine. With a high UV index of 10,
January calls for adequate sun protection. Interestingly, it has one of the two months with the lowest rainfall, recording just 12mm (0.47") throughout this winter month.
Weather in January » Weather in February
The shift from
January to
February in
Cha-am marks an appreciable fluctuation in weather conditions. Rainfall doubles to 24mm (0.94"), and the UV index reaches its peak at 12, maintaining it until
October. Consequently, beachgoers in February need to balance enjoyment with cautious sun exposure practices.
Weather in February »Weather in March
As
Cha-am transitions into
March, the city experiences weather favorable for water sports, courtesy of the rising sea temperature that hits 29°C (84.2°F). The increase from
February's 28°C (82.4°F) marks the onset of warmer seas until
October.
Weather in March »
Weather in April
Distinctly warmer than its preceding month,
April in
Cha-am magnifies the region's tropical weather. Nonetheless, the rise in temperature is complemented by a steady sea temperature of 30°C (86°F), appealing to those wanting a refreshing dip in the sea.
Weather in April »Weather in May
May marks the commencement of significant rainfall in
Cha-am, with precipitation peaking at 139mm (5.47"). This marks the onset of Cha-am's rainy season, which extends until
October. Although rain showers become more frequent, they rarely disrupt the enjoyment of the city's outdoor pleasures.
Weather in May » Weather in June
While
June sustains its predecessor's weather pattern, it demonstrates a crucial transformation in
Cha-am's climate. The month records the year's lowest sunshine hours at just 5 hours a day, indicating the region's progression deeper into the monsoon period.
Weather in June »
Weather in July
July in
Cha-am follows
June's lead in terms of weather, but it surpasses it by capturing the year's highest rainfall days at 17. This exemplifies the heart of the monsoon season with frequent and heavier showers. Seawaters continue to be invitingly warm, providing a reprieve from the frequent rains, while the UV index stays at 12, demanding vigilant sun protection.
Weather in July » Weather in August
The weather progression from
July to
August in
Cha-am bears minute fluctuations. The city notes another month of high rainfall, but with a marginal increase to 134mm (5.28"). Evidently, August continues the rainy season's narrative with warm temperatures and copious rainfall.
Weather in August »Weather in September
September witnesses the year’s peak rainfall quantity at 165mm (6.5"), affirming the continuation of the monsoon trend in
Cha-am. Greenery thrives, adding splendor to the city's aesthetics. While sea temperatures start to recede, they remain high enough to extend the beach season.
Weather in September »
Weather in October
As
October unfolds,
Cha-am experiences a gradual retreat from the monsoon season, with a noticeable decrease in rainfall to 223mm (8.78"). Sunshine hours creep back up to 6 hours per day, shedding a bright contrast to previous months.
Weather in October »Weather in November
November in
Cha-am deviates significantly from
October, highlighting a decrease in rainfall that marks the latter's departure from the monsoon period. Correspondingly, sunshine hours increase, underscoring the transition towards sunnier times.
Weather in November » Weather in December
Cha-am's weather in
December bears testament to the arrival of its dry season, presenting weather conditions resembling
January. Notably, the rainfall plummets to its annual low at 16mm (0.63"), reinstating the dry spell. The sea temperature drops back to 28°C (82.4°F), mimicking the city's weather at the year's onset.
Weather in December » [Resources]