Last updated: August 27, 2025
January in Bangkok, Thailand presents a vibrant and lively atmosphere, characterized by a maximum temperature of 35°C (94°F) and an average of 27°C (81°F), making it an inviting time for visitors. While the month enjoys warm conditions, the evenings can be pleasantly cool, with minimum temperatures dipping to 16°C (61°F). Although rain is relatively scarce, precipitation reaches about 29 mm (1.1 in) across just 3 days, providing brief but refreshing showers. With an average humidity of 59%, January offers a comfortable balance of warmth and dryness, perfect for exploring the bustling cityscape and rich cultural heritage of Thailand’s capital.
In Bangkok, January marks a delightful transition into the cooler months, with temperatures ranging from a refreshing 16°C (61°F) at night to a warm 35°C (94°F) during the day. This month typically enjoys an average temperature of 27°C (81°F), making it one of the most comfortable times to explore the city. As the year progresses, temperatures gradually rise; February introduces warmer evenings and maintains a consistent max of 35°C, while March and April see averages climbing to 30°C (86°F) and 38°C (100°F), respectively. By May, the city begins to feel the heat more intensely, reaching scorching highs of 40°C (103°F). Despite this upward trend, January stands out as a prime month for visitors, offering a perfect balance of cool nights and sunny days that invite wanderers to enjoy Bangkok's vibrant street life and unforgettable sights.
In January, Bangkok experiences relatively mild precipitation, with an average of 29 mm (1.1 in) spread over just 3 days. This marks the beginning of the year with a notably drier climate, as opposed to the heavier rainfall that peaks in the following months, particularly from May to October when the city's average precipitation skyrockets. The gradual increase is evident, with February further reducing to 14 mm (0.5 in), but by March, the rain returns to a more significant level at 44 mm (1.7 in). January's weather serves as a gentle transition into the bustling wet season, inviting visitors to enjoy the city's vibrant life under predominantly clear skies before the rains intensify later in the year.
In January, Bangkok experiences a relatively pleasant humidity level at 59%, making it one of the drier months of the year. This moderate humidity is a stark contrast to the steamy conditions that creep in as the year progresses, reaching a peak of 88% in August. Following January, a gradual increase is seen, particularly as the sweltering heat of April approaches, where humidity jumps to 70%. As the rainy months of May through July arrive, the city becomes increasingly humid, often exceeding 80%. However, as the year winds down, a noticeable decline occurs, bringing humidity levels back to 70% in December. This trend highlights Bangkok's tropical climate, characterized by a distinct seasonal shift from moderate to intense humidity.
In January, Bangkok's UV Index starts at a notably high 10, categorizing it as very high, with a burn time of just 15 minutes. This marks the beginning of a trend where UV levels climb significantly in the following months. By February, the index spikes to 12, entering the extreme category and reducing safe exposure time to 10 minutes. This trend continues through the hotter months, peaking at 14 in March, May, July, and August, all under the extreme classification, emphasizing the critical need for sun protection. As the year progresses, the UV Index gradually decreases, with November and December returning to a very high rating of 9 and 8 respectively, allowing for a slightly longer burn time of 15 minutes. To stay informed about the changing UV levels throughout the year, visit Bangkok UV Index.
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In January, Bangkok greets the new year with 251 hours of sunshine, setting a bright and pleasant tone for the month. As the city transitions into February, sunlight increases to 299 hours, ushering in the vibrant energy of early spring. The trend continues upward into March, where sunshine peaks at 336 hours, offering abundant daylight that energizes both locals and tourists alike. However, as the heat intensifies in April and May, sunshine hours remain high—322 and 321 hours respectively—ensuring plenty of opportunities for outdoor exploration. The brightness begins to wane slightly in the summer months, with June delivering 302 hours and July tapering off to 290 hours. This gradual decline persists through August and September, accompanied by cooler breezes and occasional rain, resulting in 280 and 268 hours of sunshine. As October concludes the rainy season, the hours rebound to 287 before climbing back up to 294 hours in November and 316 hours in December. Overall, January's sunshine lays the groundwork for a year filled with lively days, reflecting Bangkok's rich tapestry of light and warmth.
In Bangkok, January offers a fairly promising outlook for sunshine, with a 58% chance of clear skies. This likelihood marks a positive shift compared to the subsequent months, particularly when contrasted with April and June, which see substantial drops in sunny days, plummeting to just 18% and 17% respectively. Interestingly, January stands out as a transitional month, bridging the gap between December's 63% chance of sun and February's impressive 76%. As the landscape shifts towards the summer months, the chances of sun dwindle significantly, making January an ideal time for those eager to experience Bangkok’s warmth and vibrant atmosphere before the weather turns more humid and unpredictable.
In Bangkok, Thailand, the daylight duration remains relatively consistent throughout the year, showcasing a beautiful balance of light and twilight. In January and February, residents enjoy 11 hours of daylight, creating a gentle start to the year. As the months progress into March through August, the sun graces the city with a generous 12 hours of brightness, providing ample time for outdoor adventures and vibrant city life. Come September, this generous daylight persists, allowing for extended evenings, before the days gradually retreat back to 11 hours in October and continue this pattern into November and December. This rhythmic cycle of light not only shapes the daily routines of Bangkok’s inhabitants but also enhances the city's enchanting atmosphere throughout the seasons.
In January, Bangkok greets the new year with a gentle breeze, as the average wind speed hovers around 2.3 m/s (5 mph). This serene start transitions smoothly into February, where the wind picks up slightly to 2.4 m/s, continuing the mild and pleasant atmosphere. As the days roll into March, a noticeable increase to 3.0 m/s (7 mph) ushers in a more invigorating feel, hinting at the seasonal shift. However, by April, the winds calm again to 1.9 m/s (4 mph), providing a brief respite before the rainy season approaches. The summer months see the wind gauge fluctuating between 2.4 m/s and 3.0 m/s, with June matching March's invigorating levels. This summer breeze carries through to July and August, before tapering off in the fall months of September and October, both settling at 2.0 m/s (5 mph). November brings a slight revival, inching back to 2.2 m/s, while December wraps the year up with a refreshing 2.6 m/s (6 mph), offering a taste of what’s to come in January once again. Overall, the wind trends in Bangkok paint a picture of a city that balances calm and spirited breezes throughout the year.
Weather in Bangkok varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Bangkok, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, we see a slight uptick in temperatures. January features a minimum temperature of 16°C (61°F) and an average of 27°C (81°F), while February starts a bit warmer with a minimum of 19°C (66°F) and an average of 28°C (82°F). Both months enjoy maximum temperatures reaching 35°C (94°F in January and 96°F in February), and there is a noticeable decrease in precipitation during February, with only 14 mm (0.5 in) recorded compared to January's 29 mm (1.1 in). Humidity remains fairly consistent across both months, with January at 59% and February slightly lower at 58%. For more detailed insights, you can check out the Bangkok weather in February.
In January, Bangkok experiences warmer temperatures with a minimum of 16°C (61°F) and an average of 27°C (81°F), while March sees a rise in temperature, with a minimum of 22°C (72°F) and an average of 30°C (86°F). The maximum temperatures also climb higher in March, reaching up to 37°C (99°F) compared to January's maximum of 35°C (94°F). Precipitation increases from 29 mm (1.1 in) over three days in January to 44 mm (1.7 in) over five days in March, although humidity remains relatively steady around 59-61%. For more detailed information about the weather in March, visit Bangkok weather in March.
In January, the weather is generally mild with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F), and an average temperature of 27°C (81°F). The month experiences relatively low precipitation of 29 mm (1.1 in) over about 3 days, with humidity hovering around 59%. In contrast, April brings noticeably warmer temperatures, with a minimum of 21°C (70°F) and a peak of 38°C (100°F), averaging 30°C (87°F). This month sees a significant increase in rainfall, totaling 107 mm (4.2 in) spread over 12 days, accompanied by higher humidity levels at 70%. For more detailed insights, you can visit Bangkok weather in April.
In January, Bangkok experiences relatively mild weather with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F). The month sees about 29 mm (1.1 inches) of precipitation over just three days, resulting in a humidity level of 59%. In contrast, May is significantly warmer and wetter, with temperatures ranging from a minimum of 23°C (74°F) to a scorching maximum of 40°C (103°F). This month witnesses a dramatic increase in rainfall, totaling 142 mm (5.6 inches), spread over 19 days, leading to a higher humidity level of 80%. For more details on this month's conditions, check out Bangkok weather in May.
In January, Bangkok experiences a warm climate with temperatures ranging from a mild 16°C (61°F) at night to a maximum of 35°C (94°F) during the day, accompanied by relatively low humidity at 59% and only a few days of precipitation totaling 29 mm (1.1 in). In contrast, June brings hotter conditions, with minimum temperatures of 25°C (78°F) and highs reaching up to 37°C (99°F), along with significantly increased humidity at 85%. Additionally, June sees a substantial rise in rainfall, totaling 112 mm (4.4 in) over 22 days, making it one of the wetter months in the region. For more details on the weather during this month, you can read about Bangkok weather in June.
In January, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F) and an average of 27°C (81°F). Rainfall is relatively low during this month, with only 29 mm (1.1 in) spread over approximately 3 days, contributing to a humidity level of 59%.
In contrast, July experiences much warmer temperatures, with a minimum of 25°C (78°F), an average of 29°C (85°F), and a maximum of 37°C (99°F). The month is significantly wetter, receiving 159 mm (6.2 in) of precipitation over about 26 days, leading to a higher humidity of 86%. This stark difference in weather patterns highlights the shift from the drier conditions of January to the rainy season in July. For more detailed insights, you can refer to Bangkok weather in July.
January and August present striking contrasts in weather patterns. In January, temperatures range from a mild 16°C (61°F) at night to a warm 35°C (94°F) during the day, with average conditions around 27°C (81°F). This month sees relatively low humidity at 59% and limited precipitation, with only 29 mm (1.1 in) occurring over just three days. In contrast, August experiences much warmer nights with minimum temperatures of 25°C (77°F) and can reach up to 37°C (99°F) during the day. The average temperature is slightly higher at 29°C (85°F), but it is coupled with significantly increased rainfall of 163 mm (6.4 in) spread over 23 days, resulting in much higher humidity at 88%. For more details on August weather, you can visit Bangkok weather in August.
In January, Bangkok enjoys warm temperatures with a minimum of 16°C (61°F) and an average around 27°C (81°F), peaking at a maximum of 35°C (94°F). The month sees relatively low precipitation, with 29 mm (1.1 in) spread over just 3 days and humidity levels around 59%. In contrast, September experiences significantly warmer conditions with minimum temperatures reaching 24°C (76°F), an average of 29°C (84°F), and maximums hitting 36°C (97°F). However, September is also much wetter, with a substantial 245 mm (9.6 in) of rain over 24 days and elevated humidity at 87%. For more detailed insights on the weather specifically in September, you can check Bangkok weather in September.
In January, the weather in Bangkok is generally warm, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F) and an average temperature of 27°C (81°F). During this month, precipitation is relatively low, accumulating to 29 mm (1.1 in) over just three days, leading to a humidity level of around 59%. In contrast, October sees higher temperatures, with minimums starting at 23°C (74°F) and maximums reaching 35°C (96°F), and an average temperature of 29°C (84°F). However, October is significantly wetter, with precipitation totaling 250 mm (9.9 in) spread over 21 days, resulting in higher humidity levels of 83%. For more detailed insights into this month’s weather, check Bangkok weather in October.
In comparing the weather between January and November, we notice a few distinct differences. January typically experiences slightly lower minimum temperatures, with averages around 27°C (81°F) and maximums reaching 35°C (94°F). Precipitation is also minimal during this month, averaging only 29 mm (1.1 in) over about 3 days, and the humidity sits at a moderate 59%. In contrast, November sees higher minimum temperatures of 21°C (70°F) and similar maximums, but with increased humidity at 78%. Rainfall is more substantial as well, totaling 61 mm (2.4 in) spread across 9 days. For more detailed information, you can visit Bangkok weather in November.
In January, the weather in Bangkok experiences slightly warmer temperatures, with minimums of 16°C (61°F) and maximums reaching up to 35°C (94°F), compared to December's minimum of 15°C (59°F) and similar maximums of 35°C (95°F). Both months average around 27°C (81°F), reflecting a stable climate. However, January sees marginally more precipitation at 29 mm (1.1 in) over 3 days, while December has 24 mm (0.9 in) over just 2 days. Additionally, January has a lower humidity level of 59% compared to December's higher humidity of 70%, making the former feel less muggy. For more details, check out Bangkok weather in December.
January in Bangkok offers a refreshing contrast to the sweltering heat experienced during other months of the year. With comfortable average temperatures around 27°C (81°F), the city encourages outdoor exploration, making it an ideal time for sightseeing. Unlike the usual humidity that's prevalent, January enjoys a more moderate 59% humidity, which creates a pleasant atmosphere for both locals and tourists. Rainfall is minimal, with only about 29 mm (1.1 in) across just three days, allowing ample sunshine to grace the city. For those keen on experiencing this unique weather pattern, January stands out as a prime time to visit and soak in the vibrant culture of Bangkok. For a deeper dive into what to expect throughout the year, check out the Bangkok Climate.