Last updated: August 27, 2025
January in Si Racha, Thailand offers a delightful blend of warm temperatures and moderate humidity. With maximum highs reaching 35°C (95°F) and an average of 27°C (81°F), the weather is perfect for enjoying outdoor adventures. Although the minimum dips to around 17°C (62°F), the pleasant warmth prevails throughout the day. Rainfall is minimal, with an average of only 27 mm (1.1 in) across 4 days, allowing for plenty of opportunities to soak up the sun. Relative humidity sits at a comfortable 59%, creating an enjoyable atmosphere for both locals and visitors to explore this beautiful coastal town.
In January, Si Racha, Thailand, welcomes warmth with a minimum temperature of 17°C (62°F) and an average of 27°C (81°F), peaking at a comfortable 35°C (95°F). This marks the start of a gradual temperature increase as the year unfolds. By February, the evening lows rise slightly to 19°C (66°F), while the average remains at a balmy 28°C (82°F), maintaining that maximum of 35°C (95°F). The trend continues into March, with minimums rising to 22°C (72°F) and averages hovering around 29°C (85°F). As the months progress toward April and May, Si Racha experiences its warmest period, peaking at 37°C (99°F) during the day. The comfort of the evenings remains with lows around 20°C (67°F) to 22°C (72°F). June introduces a slight coolness with maximums dropping back to 35°C (96°F), yet the average temperature stays consistent at 30°C (86°F). Throughout the following months, temperatures fluctuate only slightly, with a lovely balance of warm days and comfortable nights, showcasing the tropical charm that defines this coastal paradise. As the year wraps up in December, Si Racha returns to its earlier warmth with a minimum of 16°C (61°F), capping off the year on a pleasant note that invites visitors to enjoy the sun-kissed shores year-round.
In January, Si Racha experiences a relatively dry start to the year, with only 27 mm of precipitation spread over just 4 days. This sets a tranquil tone, marked by a mild tropical climate. As the months progress, rainfall gradually increases, culminating in the wettest period from May to September, where average monthly totals soar to over 160 mm and the number of rainy days peaks. Notably, September sees a dramatic 262 mm, reflecting the onset of the monsoon. As the year wraps up, precipitation levels drop again, with November and December bringing a reprieve, showcasing an intriguing rhythm of wet and dry spells that defines Si Racha's climate.
In January, Si Racha experiences a comfortable humidity level of 59%, setting a pleasant tone for the year ahead. As winter transitions into spring, humidity slightly dips to 58% in February before rising modestly to 61% in March. However, as the days grow warmer in April, humidity begins to climb more significantly, reaching 70%. This upward trend continues into the rainy season, where May sees a notable increase to 80%, and by August, humidity peaks at an impressive 88%. The moisture remains high throughout the following months, with September and October experiencing 87% and 83% respectively, before tapering off in November to 78%. Finally, December concludes the year with a humidity level of 70%, highlighting a seasonal cycle that showcases the distinct shift from drier winter months to the sultry embrace of summer.
In January, Si Racha, Thailand experiences a UV Index of 10, placing it in the very high exposure category, indicating that residents and visitors should be cautious, as unprotected skin can burn in as little as 15 minutes. This trend of heightened UV intensity continues into the following months, with February through October consistently displaying extreme UV levels, peaking at 14 during several months, which means a quick 10-minute burn time for those exposed. Interestingly, by November and December, the UV Index drops back to 10 and 9, respectively, returning to the very high category and allowing for slightly longer exposure without burning. This pattern underscores the importance of sun protection during much of the year in Si Racha. For more details about the UV index, visit Si Racha UV Index.
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In Si Racha, Thailand, January shines with a delightful 252 hours of sunshine, setting the stage for a bright start to the year. As the months unfold, the sun seems to gather strength, peaking in March with a radiant 336 hours of sun, perfect for outdoor adventures and beach relaxation. Following this peak, the sunshine hours remain generous throughout April and May, boasting over 320 hours, before gradually tapering off as summer transitions into fall. Notably, despite the slight decline in the later months, Si Racha enjoys an impressive range of 267 to 298 hours of sunshine from September to November, ensuring that residents and visitors can soak up ample rays well into the end of the year. This consistent pattern of abundant sunshine makes Si Racha a year-round destination for sun-seekers!
In Si Racha, Thailand, January offers a 57% chance of sunny weather, making it one of the more favorable months for sunshine in the region. As we transition from January to February, the likelihood of clear skies increases significantly to 71%, creating an enticing invitation for beachgoers and outdoor enthusiasts. However, as the months progress into March and April, we see a decline, with chances dropping to 53% and plunging to just 16% in April. This trend continues through the rainy season, where the likelihood of sun wanes dramatically in June and July, hitting a low of 12%. Yet, as the year comes full circle back to December, the sun reemerges with a 58% likelihood, closing the year on a brighter note. Such patterns highlight January as a promising start to the year, balancing enjoyable temperatures with a decent chance of sun before the sweltering heat and rains set in.
In Si Racha, Thailand, January greets residents and visitors with approximately 11 hours of daylight, a duration that remains consistent throughout February. As spring approaches in March, daylight gently expands to 12 hours, a trend that continues through the summer months until September. This steady increase in sunlight not only enhances outdoor activities but also fosters a vibrant atmosphere in the region. However, as the year winds down, daylight duration reverts to 11 hours in October, maintaining a rhythmic cycle that mirrors the shifting seasons. This gradual transition highlights the tropical charm of Si Racha, where daylight remains generous for much of the year, inviting exploration and adventure.
In January, Si Racha experiences a gentle breeze with an average wind speed of 2.9 m/s (6 mph), setting the tone for the month as a pleasant and inviting time to enjoy outdoor activities. As the days progress towards February, the wind subtly diminishes to 2.4 m/s (5 mph), offering a brief respite before the winds pick up again in March. Interestingly, while January welcomes moderate breezes, the shift in winds is more noticeable in the middle of the year, notably in June and July, when speeds rise to 3.2 m/s (7 mph) and 3.0 m/s (7 mph) respectively. This pattern suggests a seasonal rhythm where the calmness of early months gives way to more spirited winds, enhancing the overall dynamic weather experience. By December, the year closes with a return to brisk winds, echoing January’s calm beginnings with another 3.2 m/s (7 mph), creating a bookend of breezy delight throughout the year.
Weather in Si Racha varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Si Racha, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit similar weather patterns, with only slight variations. In January, the minimum temperature is 17°C (62°F), averaging 27°C (81°F) and peaking at 35°C (95°F). The month records 27 mm (1.1 in) of precipitation over four days, with humidity averaging at 59%. In contrast, February sees a marginally warmer minimum temperature of 19°C (66°F) and an average of 28°C (82°F), while maintaining the same maximum of 35°C (95°F). Precipitation remains the same at 27 mm (1.1 in) but is spread over five days, with humidity slightly lower at 58%. For more detailed information on February's weather, visit Si Racha weather in February.
In January, the weather in Si Racha features a warm range with temperatures starting from a minimum of 17°C (62°F) and reaching a maximum of 35°C (95°F), averaging around 27°C (81°F). The month experiences relatively low precipitation, with only 27 mm (1.1 in) falling over 4 days, combined with a humidity level of 59%. In contrast, March sees slightly higher temperatures, with minimums at 22°C (72°F) and maximums peaking at 36°C (97°F), averaging 29°C (85°F). However, it also brings increased rainfall, totaling 60 mm (2.4 in) over 11 days, while humidity remains fairly consistent at 61%. For more detailed insights, check out Si Racha weather in March.
January and April exhibit distinct differences in weather patterns. January boasts milder temperatures with a minimum of 17°C (62°F) and an average of 27°C (81°F), accompanied by relatively low precipitation of 27 mm (1.1 in) over just four days. In contrast, April shows a noticeable increase in warmth, featuring a minimum temperature of 20°C (67°F) and an average of 29°C (85°F), alongside a significant rise in rainfall to 122 mm (4.8 in) across 18 days. Additionally, humidity levels increase in April to 70%, compared to January's 59%, indicating a more humid and wetter environment. For more details, you can check Si Racha weather in April.
In January, the weather is generally warm, with an average temperature of 27°C (81°F) and a maximum reaching up to 35°C (95°F). The month experiences relatively low precipitation, totaling 27 mm (1.1 in) over just 4 days, and humidity levels are moderate at 59%. In contrast, May brings warmer temperatures, with averages rising to 30°C (86°F) and peaks of 37°C (99°F). This month sees a significant increase in rainfall, accumulating 166 mm (6.5 in) over 22 days, coupled with higher humidity levels reaching 80%. For more details, check Si Racha weather in May.
In January, the weather in Si Racha is characterized by relatively pleasant temperatures, with minimums around 17°C (62°F) and averages of 27°C (81°F), making it a comfortable time to enjoy outdoor activities. The month sees low precipitation, averaging just 27 mm (1.1 in) over about four days, along with a humidity level of 59%. In contrast, June experiences warmer nights, with minimum temperatures rising to about 25°C (77°F) and an average temperature of 30°C (86°F). However, it also brings substantial rainfall, with precipitation reaching 109 mm (4.3 in) over approximately 22 days, resulting in noticeably higher humidity at 85%. For more details about the weather specifics in June, you can check Si Racha weather in June.
In January, weather conditions are generally warm and drier, with minimum temperatures around 17°C (62°F) and average highs reaching 35°C (95°F). The month experiences only 27 mm (1.1 in) of precipitation over about 4 days, coupled with a humidity level of 59%. In contrast, July brings a shift to hotter and more humid conditions, with minimum temperatures starting at 25°C (77°F) and average highs peaking at 36°C (97°F). The month is significantly wetter, with a total of 168 mm (6.6 in) of rainfall spread across approximately 25 days, resulting in a much higher humidity of 86%. For a deeper look into the specific conditions during this month, you can check Si Racha weather in July.
When comparing the weather in January and August, notable differences emerge. January typically sees pleasant temperatures, with a minimum of 17°C (62°F) and an average of 27°C (81°F), making it a comfortable month for outdoor activities. The precipitation is relatively low, with only 27 mm (1.1 in) over 4 days, alongside a moderate humidity of 59%. In contrast, August experiences warmer nights with a minimum temperature of 24°C (76°F) and an average of 29°C (84°F), while still peaking at 35°C (96°F). However, it is significantly wetter, receiving 160 mm (6.3 in) of rain over 24 days, leading to much higher humidity at 88%. For further details on August weather, you can visit Si Racha weather in August.
In January, the weather is characterized by warm temperatures, with a minimum of 17°C (62°F) and an average of 27°C (81°F), reaching a maximum of 35°C (95°F). The month sees relatively low precipitation, totaling 27 mm (1.1 in) over just 4 days, and humidity levels average around 59%. In contrast, September brings a more humid and rainy climate, with minimum temperatures rising to 24°C (76°F) and a similar maximum of 35°C (95°F). This month experiences considerably higher rainfall, accumulating 262 mm (10.3 in) over 25 days, leading to an increase in humidity to about 87%. For more detailed information, you can check Si Racha weather in September.
In January, the weather tends to be warmer and drier, with temperatures ranging from a comfortable 17°C (62°F) to a hot 35°C (95°F) and averaging around 27°C (81°F). Precipitation is minimal, with only 27 mm (1.1 in) over four days, and humidity levels are relatively moderate at 59%. In contrast, October brings a different climate, featuring higher humidity at 83% and significantly more rainfall, totaling 228 mm (9.0 in) over 23 days. Temperature ranges in October are slightly higher, with minimums around 23°C (74°F) and maximums reaching 36°C (96°F), resulting in a warm average of 28°C (83°F). For more detailed information, check out Si Racha weather in October.
Comparing the weather between January and November reveals some distinct differences. In January, temperatures range from a minimum of 17°C (62°F) to a maximum of 35°C (95°F), with an average of 27°C (81°F) and relatively low humidity at 59%. This month experiences only 27 mm (1.1 in) of precipitation over about 4 days. Conversely, November tends to be warmer with minimum temperatures of 22°C (72°F) and averages around 28°C (83°F), while still reaching a maximum of 35°C (96°F). However, November is characterized by significantly higher humidity at 78% and more frequent rainfall, accumulating 59 mm (2.3 in) over about 10 days. To explore more about the specific weather conditions in November, you can visit Si Racha weather in November.
In January, temperatures are slightly higher overall compared to December, with a minimum of 17°C and a maximum of 35°C, while December sees a minimal drop with a minimum of 16°C and a peak of 35°C. Both months have similar average temperatures of 27°C (81°F). Precipitation is nearly identical, with January receiving 27 mm over four days and December slightly higher at 28 mm over three days. However, January has a lower humidity level at 59% compared to December’s 70%. For a detailed look at December weather, check out Si Racha weather in December.
As January settles in, Si Racha experiences a delightful shift in weather, characterized by mild temperatures and relatively low moisture levels compared to the rest of the year. With an inviting average of 27°C, it’s the perfect escape from the humid months that follow. The maximums reach a comfortable 35°C, while nights can be refreshingly cool at 17°C. Unlike the heavy rains of other seasons, January welcomes only 27 mm of precipitation across a few days, allowing for plenty of sunshine. This makes it an ideal time to explore the vibrant surroundings of Si Racha. For more insights on the seasonal patterns, check out Si Racha Climate.