Last updated: August 27, 2025
Experience the captivating January weather in Udon Thani, Thailand, where warm days and cool nights bring a delightful contrast. With maximum temperatures soaring up to 35°C (96°F) and an inviting average of 24°C (75°F), outdoor activities are a pleasure. The nights can be refreshing, dipping to a minimum of 10°C (50°F). This month witnesses minimal rainfall, with only 4 mm (0.1 in) falling over just 1 day, ensuring plenty of sunshine to enjoy. With humidity levels around 59%, the climate remains comfortable, making January an ideal time to explore this vibrant region.
In Udon Thani, Thailand, January welcomes visitors with a satisfying temperature range that sets the tone for the coming months. With a minimum of 10°C (50°F), it’s the coldest month of the year, yet it quickly shifts to a pleasant average of 24°C (75°F) and peaks at a warm 35°C (96°F). This pattern hints at the gradual warming trend that follows: as February arrives, the temperature steadily rises, reaching a maximum of 37°C (100°F) by the end of the month. The warmth only intensifies as spring approaches, with March and April consistently pushing past 40°C (104°F). Interestingly, while the nights remain cool throughout January, the increase in daytime temperatures lays the groundwork for the hot, sultry days ahead as Udon Thani transitions into the height of its dry season.
In January, Udon Thani experiences a notably dry start to the year, with a mere 4 mm (0.1 in) of precipitation falling over just one day. This minimal rainfall is indicative of the region's dry season, which provides a welcome respite from the heavier rains that typically begin later in the year. As temperatures steadily rise into the spring months, the precipitation begins to increase significantly, culminating in a dramatic leap to 183 mm (7.2 in) by May and peaking at 319 mm (12.6 in) in August. The transition from the dry spell in January to the wetter months showcases an unmistakable trend, with rainfall frequency and volume escalating sharply as the seasons progress, ultimately setting the stage for the lush green landscapes that Udon Thani is known for during the monsoon season.
In January, Udon Thani experiences a comfortable humidity level of 59%, marking a pleasant start to the year. This moderate humidity is a refreshing contrast to the upcoming months, as February sees a slight drop to 54%, while March continues the trend with 45%. However, as the sweltering heat of April approaches, humidity levels further decline to 40%, making it the driest month. The onset of the rainy season in May brings a notable increase, with humidity soaring to 65% and continuing to rise through the summer. By the time we reach the peak of the rainy season in July and August, humidity levels soar to 90% and 92% respectively. As the year progresses into the latter months, humidity gradually decreases, settling at 80% in October, 72% in November, and 66% by December. This cyclical pattern showcases the dramatic shifts in humidity throughout the year, influencing the overall climate and experience of life in Udon Thani.
In January, Udon Thani experiences a UV Index of 9, categorizing it as a very high exposure month with a burn time of just 15 minutes. As the month progresses into February, the UV Index rises sharply to 11, signaling an extreme exposure level with a reduced burn time of 10 minutes. This trend continues through the dry season, peaking in April and May at 14, indicating persistent extreme UV levels that necessitate caution. The intensity remains unwavering until October, when the index drops slightly to 12, before transitioning back to very high levels in November and December. Overall, January marks the beginning of a notable increase in UV radiation, urging residents and visitors alike to stay vigilant throughout the months ahead. For more detailed insights, you can refer to the Udon Thani UV Index.
UV Risk Categories
In Udon Thani, Thailand, January welcomes the year with an impressive 256 hours of sunshine, setting the stage for a bright start. As the months progress, the sun shines even brighter, peaking in March with a remarkable 321 hours. This trend of increasing daylight continues, with April and May also basking in generous sunlight, showcasing the region’s warm tropical climate. As summer approaches, sunshine hours begin to dip slightly in June and July, revealing a slight seasonal ebb. However, the sun reasserts its presence in the latter half of the year, with October to December delivering consistently high hours of sunshine, ensuring that Udon Thani remains a radiant destination throughout the year. Embracing this sunshine-rich climate is a perfect way to enjoy the vibrant culture and outdoor adventures the region has to offer.
In Udon Thani, January shines as a peak month for sunny weather, boasting an impressive 83% chance of sunshine. This radiant start to the year sets a positive tone, as it gradually gives way to February's even sunnier 87% likelihood. However, as the months progress into the hot season, the chances of clear skies diminish significantly, plummeting to just 30% in April and dipping even lower to around 14-16% from June through August. The trend begins to shift again in November, with a return to better weather, leading into the final sunny days of December. If you’re seeking bright days in Udon Thani, January is undoubtedly the star of the show!
In Udon Thani, Thailand, January marks the beginning of a gradual transition in daylight duration, offering approximately 11 hours of sunlight each day. This consistent daylight persists through February, providing a stable foundation as the year unfolds. As the calendar turns to March, daylight subtly increases, reaching 12 hours and continuing this trend through April and May, reflecting the onset of warmer months. The longest days appear in June and July, where residents can enjoy up to 13 hours of daylight, making these months ideal for outdoor activities. Following this peak, daylight gradually tapers to 12 hours from August to September before returning to 11 hours in the final months of the year. This rhythmic pattern of daylight in Udon Thani showcases a beautiful cycle, punctuated by longer, sun-filled days in the heart of summer.
In January, Udon Thani experiences a gentle average wind speed of 2.3 m/s (5 mph), setting a pleasant tone as the new year begins. This slight breeze is part of a consistent pattern observed throughout the early months, where wind speeds gradually decline, reaching their lowest point in April with just 1.5 m/s (3 mph). As the year progresses into the hotter months of May and June, the winds pick up again slightly, stabilizing around 2.2 m/s (5 mph). Notably, December offers a resurgence with the highest recorded speed of 2.5 m/s (6 mph), just before the cooler season returns. This cyclical variation indicates a dynamic climate, where the winds play an integral role in shaping the weather experience throughout the year, making January a delightful start to the dry season.
Weather in Udon Thani varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Udon Thani, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather in Udon Thani is characterized by temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), with an average temperature of 24°C (75°F) and relatively low precipitation of just 4 mm (0.1 in) over 1 day. The humidity level is moderate at 59%. In contrast, February sees slightly warmer conditions with minimum temperatures rising to 13°C (55°F) and maximum temperatures reaching 37°C (100°F), along with an average of 25°C (77°F). Precipitation increases to 12 mm (0.5 in) but remains limited to just 1 day, while humidity decreases to 54%, making the month feel a bit drier overall. For more details, visit Udon Thani weather in February.
In comparing the weather between January and March, January offers milder temperatures with a minimum of 10°C (50°F) and an average high of 35°C (96°F), while March sees warmer conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 40°C (104°F). January experiences very little precipitation, with only 4 mm (0.1 in) recorded over just one day, whereas March is significantly wetter, receiving 34 mm (1.3 in) over six days. Additionally, January has a higher humidity level at 59%, compared to March, which has lower humidity at 45%. For a more detailed overview, check out the Udon Thani weather in March.
In January, the weather in Udon Thani is generally warm, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), characterized by low precipitation of just 4 mm (0.1 in) over about 1 day. In contrast, April sees significantly higher temperatures, with averages between 16°C (62°F) and a scorching 41°C (107°F), accompanied by an increase in rainfall, totaling 69 mm (2.7 in) over 9 days. Additionally, humidity levels are higher in January at 59%, while April experiences a drier atmosphere with a lower humidity of 40%. For more detailed information, you can check Udon Thani weather in April.
In January, the weather is considerably milder, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F) and very low precipitation of just 4 mm (0.1 in) over a single day. The humidity levels sit at 59%, making it a relatively dry month. In contrast, May brings much warmer temperatures, with a minimum of 22°C (72°F) and climbing up to a scorching maximum of 41°C (105°F). The rainfall increases dramatically, with 183 mm (7.2 in) falling over 18 days, and humidity rises slightly to 65%. This stark contrast in weather highlights the significant temperature and precipitation shifts from January to May. For more details, visit Udon Thani weather in May.
In January, the weather in Udon Thani is considerably milder, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), and an average of 24°C (75°F). The month sees minimal precipitation, only about 4 mm (0.1 in) over just one day, and the humidity levels are around 59%. In contrast, June brings much warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 38°C (100°F). The average temperature rises to 29°C (85°F), but this month is also characterized by heavy rainfall, totaling 206 mm (8.1 in) over approximately 22 days, along with higher humidity levels of 82%. For more details, visit Udon Thani weather in June.
In January, Udon Thani experiences a dry and warm climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), while averaging around 24°C (75°F). The month sees minimal precipitation, totaling just 4 mm (0.1 in) over the course of only 1 day, and a moderate humidity level of 59%.
In stark contrast, July brings a significant increase in both temperature and humidity, with minimums around 24°C (76°F) and maximums soaring to 37°C (99°F), averaging 29°C (84°F). This month is characterized by heavy rainfall, totaling 289 mm (11.4 in) across approximately 26 days, leading to a much higher humidity level of 90%. For more specific details, check out the link: Udon Thani weather in July.
In comparing the weather between January and August, it's evident that January offers cooler temperatures, with averages ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F) and a low level of precipitation (only 4 mm over 1 day). The humidity during this month is a moderate 59%, making it quite comfortable. In contrast, August brings significantly higher temperatures, with a minimum of 24°C (75°F), an average of 28°C (84°F), and a peak of 37°C (99°F). This month is also characterized by heavy rainfall, accumulating 319 mm over 25 days, and a much higher humidity level of 92%. These stark differences can influence various activities and outdoor plans. For more detailed information, you can check the Udon Thani weather in August.
When comparing the weather of January and September, it's clear that the two months present quite different climates. January features milder temperatures, with a minimum of 10°C (50°F) and an average of 24°C (75°F), peaking at a maximum of 35°C (96°F). This month experiences minimal rainfall, averaging just 4 mm (0.1 in) over the course of only 1 day, coupled with a humidity level of 59%. In stark contrast, September is much warmer and wetter, with temperatures dropping to a minimum of 22°C (72°F) and climbing to an average of 28°C (83°F), reaching up to 36°C (97°F). However, it is notably rainy, receiving a substantial 219 mm (8.6 in) of precipitation over 24 days, resulting in a higher humidity of 86%. For more detailed insights on the weather patterns, you can check Udon Thani weather in September.
In January, the weather in Udon Thani is characterized by warm temperatures, with a minimum of 10°C (50°F) and a maximum of 35°C (96°F). The average temperature hovers around 24°C (75°F), and the month sees minimal precipitation, totaling just 4 mm (0.1 in) over only one day, along with a relative humidity of 59%.
Conversely, October brings a noticeable change in climate, with higher minimum temperatures of 19°C (66°F) and slightly warmer averages at 27°C (81°F). The maximum temperature can reach up to 36°C (97°F), but October is significantly wetter, experiencing 114 mm (4.5 in) of rain across about 15 days, and the humidity increases to 80%. For more detailed insights, check out Udon Thani weather in October.
In January, the weather is generally warm with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), and an average of 24°C (75°F). This month experiences minimal precipitation, with only 4 mm (0.1 in) over just one day and humidity levels at 59%. In contrast, November tends to be slightly warmer, featuring a minimum temperature of 16°C (62°F) and a maximum of 36°C (97°F), with an average of 26°C (79°F). This month sees more rainfall, with 11 mm (0.4 in) spread over two days and higher humidity levels at 72%. For more detailed information, check out Udon Thani weather in November.
In comparison to December, January experiences slightly warmer temperatures, with minimums of 10°C (50°F) and maximums reaching up to 35°C (96°F), compared to December's minimum of 9°C (49°F) and maximum of 34°C (93°F). Both months offer relatively low precipitation, but January has a bit less at just 4 mm (0.1 in) over 1 day, while December sees 6 mm (0.2 in) also spread across 1 day. Humidity levels are slightly lower in January at 59%, compared to December's 66%. For more detailed weather information, you can check Udon Thani weather in December.
In January, Udon Thani experiences a delightful shift in weather, showcasing a perfect combination of mild temperatures and relatively low humidity compared to other months. With daytime highs reaching around 35°C and nighttime lows dropping to a comfortable 10°C, January offers residents and visitors a welcome respite from the sweltering heat typical of the summer months. The minimal precipitation—only one rainy day throughout the entire month—adds to the allure, making it an ideal time for outdoor activities and exploration. If you're planning a trip during this month, you'll find that the climate allows for a pleasant and enjoyable experience. For more insights into the climate variations throughout the year, check out Udon Thani Climate.