January Weather in Chiang Saen, Thailand

Last updated: August 27, 2025

In Chiang Saen, Thailand, January brings a delightful blend of mild and warm temperatures, with maximum highs reaching 33°C (91°F) and average temperatures around 21°C (69°F). Nights can feel cool, dipping to a refreshing minimum of 9°C (48°F). This month sees 39 mm (1.5 in) of precipitation spread over four days, contributing to a moderate humidity level of 54%. Visitors can expect a pleasant climate perfect for exploring the region's rich cultural heritage while enjoying the natural beauty that surrounds this historic town.

January Temperature in Chiang Saen

In Chiang Saen, Thailand, January ushers in a delightful range of temperatures, peaking at 33°C (91°F), while pleasantly starting with a cool minimum of 9°C (48°F). This transitional month showcases an average temperature of 21°C (69°F), setting the stage for the coming warmer months. Notably, the weather is characterized by mild and crisp mornings that can shift to warm afternoons, a pattern that stands out before the dramatic rise in temperatures in February and March. As the year progresses, the temperature trend clearly indicates an upward trajectory, with highs soaring into the 40s°C by April and May, making January a perfect time for visitors to enjoy the cool and comfortable climate before the heat of summer takes hold.

January Weather in Chiang Saen: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Chiang Saen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiang Saen, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec697279828383828181797569
Data source: Temperature data for Chiang Saen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Chiang Saen

In January, Chiang Saen experiences relatively modest precipitation, with a total of 39 mm (1.5 in) spread across just four days. This sets the stage for a typically dry early year, especially when compared to the upcoming months, where rainfall sharply rises. As the year progresses into April and May, the region witnesses a dramatic increase in precipitation, peaking in the summer months with an impressive 381 mm (15.0 in) in August alone. The trend clearly illustrates how the dry spell of January swiftly transitions into the monsoon season, reflecting a dynamic climate that shapes the landscapes and lifestyles of this northern Thai locale.

January Precipitation Trends in Chiang Saen

The chart displays monthly precipitation patterns in Chiang Saen, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Chiang Saen, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3915101201352393023812581443426
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Chiang Saen

In January, Chiang Saen experiences a pleasant humidity level of 54%, offering a comfortable atmosphere as the new year begins. As the month progresses into February, humidity slightly decreases to 52%, maintaining a dry warmth. However, the landscape quickly transforms as March sees a notable drop to 40%, signaling the start of a dry spell. The trend continues into April with humidity at 36%, making it one of the driest months of the year. The shift arrives in May, where humidity jumps back up to 56%, a precursor to the impending monsoon season. This increase escalates dramatically during the summer months, peaking in August at a high of 92%, as the region braces for heavy rains. As the rainy season wanes, humidity begins to decline in September to 85%, gradually tapering off through October and November with 70% and 67%, respectively. By December, humidity remains at 62%, closing out the year with a moist, cool environment, providing a refreshing contrast to the intense humidity of the preceding months.

January Average Humidity in Chiang Saen

This chart illustrates the average monthly humidity levels in Chiang Saen, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Chiang Saen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%52%40%36%56%82%90%92%85%70%67%62%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Chiang Saen

In January, Chiang Saen experiences a UV Index of 9, categorized as very high, with a burn time of just 15 minutes. This sets the tone for the month as travelers bask in the warm sun but must remain cautious about overexposure. As the year progresses into February, the UV Index rises slightly to 10, maintaining the very high category and the same burn time. However, from March onward, the sun's intensity escalates dramatically; the UV Index spikes to 13 and then peaks at 14 in the summer months from May through September, indicating an extreme exposure level with a reduced burn time of only 10 minutes. This trend persists into October before dipping back to 12 in the fall and gradually back to 9 in November, returning to the very high category. Tourists planning their visits to Chiang Saen should be well aware of these trends and stay protected. For more detailed information, check out the Chiang Saen UV Index.

Maximum UV Index Levels in Chiang Saen for January

The chart shows the monthly maximum UV Index (UVI) for Chiang Saen in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Chiang Saen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910131214141414141298
Data source: Chiang Saen January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Chiang Saen

In Chiang Saen, Thailand, January ushers in a bright start to the year with an impressive 236 hours of sunshine. As the months progress, there's a noticeable trend of increasing sunlight, peaking in March with 328 hours, making it the sunniest month of the year. Despite a slight dip in April and July, daylight remains abundant, with all months providing over 240 hours of sunshine. Particularly delightful is the stretch from February through May, where the hours consistently hover above 290, inviting both locals and travelers to bask in the vibrant, sunlit landscapes. As the year nears its close, November and December still offer substantial sunlight, ensuring that Chiang Saen remains a luminous haven year-round. The warmth of January sets the stage for a sun-filled journey that continues to glow throughout the seasons.

Monthly Sunshine Duration in Chiang Saen: January Highlighted

The January sunshine duration represents the total number of hours Chiang Saen experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec236h290h328h310h323h272h248h243h270h287h294h302h
Data source: Chiang Saen January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chiang Saen During January

In January, Chiang Saen, Thailand, enjoys a 66% chance of sunny weather, making it a delightful time for outdoor activities and exploration. This trend of pleasant sunshine continues into February with an increase to 69%, but begins to peak dramatically in March, when the likelihood soars to 81%. As the months progress towards the intense heat of summer, the chances of sunny days noticeably decline, dropping to 41% in April and further to 40% in May. The rainy season looms thereafter, with June and July bringing just 11% and 16% sun chances, respectively. Thus, early January offers a charming window for visitors seeking clearer skies before the monsoon season takes hold, with a return to higher sun probabilities occurring again in the later months of the year, reaching 77% in December. As such, those planning a trip will find January an optimal time to soak up the sun in this serene part of Thailand.

Percentage of Sunny Days in January in Chiang Saen

The chart illustrates the percentage of sunny days in Chiang Saen throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chiang Saen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec66%69%81%41%40%11%16%13%29%30%45%77%
Data source: Chiang Saen January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chiang Saen in January

In Chiang Saen, Thailand, January greets visitors with a consistent 11 hours of daylight, a pattern that continues into February. As the months progress into spring, daylight gradually increases, reaching 12 hours in both March and April, before peaking at 13 hours from May through July. This ample sunlight makes the mid-year months ideal for exploring the region's vibrant landscapes and cultural sites. However, as summer gives way to autumn, daylight begins to wane, dropping back to 12 hours in August and September, and then reducing to 11 hours by October and November. The year wraps up in December with just 10 hours of daylight, marking a reflective close to a cycle full of light and life. Overall, the transition from shorter to longer days creates a rhythm that enhances the charm of Chiang Saen throughout the year.

Average Daylight Hours in Chiang Saen for January

The chart illustrates the variation in daylight duration in Chiang Saen throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 2m11h 28m12h 1m12h 36m13h 5m13h 19m13h 12m12h 46m12h 13m11h 39m11h 9m10h 54m
Data source: Chiang Saen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Chiang Saen

In Chiang Saen, Thailand, January greets visitors with a gentle breeze, marked by an average wind speed of 1.4 m/s (3 mph). This slight and refreshing wind sets a tranquil tone for the month, as it is slightly stronger than in the following months, including February through April, where the winds settle at a consistent 1.3 m/s. As the year progresses into the summer months, the wind picks up slightly, reaching up to 1.6 m/s in June, before tapering off again towards the end of the year. Notably, September and October bring the calmest breezes, with speeds dropping to around 1.0 m/s and 1.1 m/s respectively. Overall, January’s mild winds capture the essence of the transition into the cooler months, establishing a pleasant atmosphere for both locals and travelers alike.

Average January Wind Speed in Chiang Saen

The chart displays monthly wind speed patterns in Chiang Saen, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.4 m/s1.31.31.31.31.61.41.31.01.11.11.2
Data source: Chiang Saen January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Chiang Saen Compares to Other Months

Weather in Chiang Saen varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Chiang Saen, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of January and February, January offers a cooler range of temperatures, with a minimum of 9°C (48°F) and a maximum of 33°C (91°F), while February sees slightly warmer temperatures, with a minimum of 11°C (52°F) and a peak of 36°C (96°F). Precipitation is notably higher in January, totaling 39 mm (1.5 in) over 4 days, compared to just 15 mm (0.6 in) over 1 day in February, indicating a drier month. Humidity levels remain relatively similar, with January at 54% and February slightly lower at 52%. For more detailed weather insights, you can visit Chiang Saen weather in February.

In January, the weather features mild temperatures with a minimum of 9°C (48°F), averaging 21°C (69°F), and peaking at 33°C (91°F). The month experiences 39 mm (1.5 in) of precipitation over four days, contributing to a humidity level of 54%. In contrast, March sees a noticeable rise in temperatures, with a minimum of 12°C (54°F), an average of 26°C (79°F), and a maximum that can reach a scorching 39°C (102°F). This month is considerably drier, receiving only 10 mm (0.4 in) of rain on just one day and exhibiting lower humidity at 40%. For more detailed weather information, check out Chiang Saen weather in March.

January and April present notably different weather patterns. In January, temperatures range from a minimum of 9°C (48°F) to a maximum of 33°C (91°F), with an average of 21°C (69°F). The month experiences relatively low precipitation of 39 mm (1.5 in) over four days, coupled with a humidity level of 54%. In contrast, April sees significantly warmer temperatures, with a minimum of 17°C (63°F) and a scorching maximum of 41°C (106°F), averaging 28°C (82°F). However, it also brings increased rainfall, accumulating 120 mm (4.7 in) over ten days, while humidity dips to 36%. For further details, you can check Chiang Saen weather in April.

In January, the weather tends to be milder with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (91°F), and an average temperature of 21°C (69°F). There’s relatively low precipitation at 39 mm (1.5 in) over just 4 days, accompanied by a humidity level of 54%. In contrast, May brings significantly hotter temperatures, with a minimum of 21°C (70°F) and highs reaching up to 42°C (108°F), resulting in an average of 28°C (84°F). The month also experiences much higher rainfall, totaling 135 mm (5.3 in) over 17 days, and a slightly increased humidity of 56%. For more detailed insights, you can check Chiang Saen weather in May.

The weather in January and June showcases striking contrasts. In January, temperatures range from a minimum of 9°C (48°F) to a maximum of 33°C (91°F), with an average of 21°C (69°F) and only 39 mm (1.5 in) of precipitation over just 4 days. The humidity during this month rests at a comfortable 54%. In contrast, June experiences significantly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 38°C (101°F), averaging 28°C (83°F). This month is also marked by much higher precipitation, totaling 239 mm (9.4 in) across 24 days and an elevated humidity level of 82%. For more insights on the June weather, you can check Chiang Saen weather in June.

When comparing the weather of January and July, significant differences emerge. In January, temperatures range from a mild minimum of 9°C (48°F) to a maximum of 33°C (91°F), with an average of 21°C (69°F). The month sees relatively low precipitation, totaling 39 mm (1.5 in) over just 4 days, and the humidity is moderate at 54%. In contrast, July experiences much warmer conditions, with minimum temperatures starting at 23°C (74°F) and peaking at a sweltering 38°C (101°F), averaging around 28°C (82°F). The rainfall dramatically increases to 302 mm (11.9 in) spread over 26 days, and the humidity rises considerably to 90%. Thus, while January offers a pleasant climate with less rain, July brings high heat and frequent showers. For more insights, you can explore Chiang Saen weather in July.

January weather offers a mild respite with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (91°F), resulting in an average of 21°C (69°F). The month sees relatively low precipitation, with only 39 mm (1.5 in) over 4 days and a humidity level of 54%. In stark contrast, August is characterized by much warmer temperatures, with averages between 23°C (74°F) and 37°C (98°F), and a much heavier rainfall of 381 mm (15.0 in) spread over 28 days, contributing to a high humidity level of 92%. This significant difference highlights the transition from January's dry and mild weather to August's hot and wet conditions. For more detailed information, check out Chiang Saen weather in August.

In January, the weather is generally warmer during the day with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (91°F), while experiencing relatively low humidity at 54%. Rainfall is minimal, with only about 39 mm (1.5 in) occurring over four days. In contrast, September brings much higher temperatures, with averages between 20°C (69°F) and 36°C (97°F), accompanied by significantly increased humidity at 85%. Additionally, this month sees a substantial rise in precipitation, totaling 258 mm (10.2 in) across 24 days. For more details, visit Chiang Saen weather in September.

In January, the weather features a mild range of temperatures, with minimums around 9°C (48°F) and maximums reaching up to 33°C (91°F), resulting in an average temperature of 21°C (69°F). The month sees relatively low precipitation, averaging 39 mm (1.5 in) over just 4 days, and with a humidity level of 54%, it feels quite comfortable. In contrast, October experiences significantly warmer temperatures, with minimums of 19°C (66°F) and maximums soaring to 35°C (95°F), leading to an average temperature of 26°C (79°F). However, it brings much higher rainfall, accumulating 144 mm (5.7 in) over 18 days, and the humidity increases to 70%, creating a noticeably more tropical atmosphere. For more details, check out Chiang Saen weather in October.

In comparing January and November weather, January features a more moderate temperature range, with minimums around 9°C (48°F) and maximums reaching 33°C (91°F), while November sees warmer averages, with minimums at 14°C (58°F) and maximums peaking at 35°C (94°F). Precipitation levels are relatively similar, with January receiving 39 mm (1.5 in) over about 4 days and November slightly less at 34 mm (1.3 in) over 6 days. Additionally, humidity levels are higher in November, averaging 67% compared to January's 54%. For a more detailed outlook, check Chiang Saen weather in November.

In comparing the weather of January and December, January typically experiences slightly warmer temperatures, with an average high of 33°C (91°F) compared to December's 32°C (90°F). Both months have similar average temperatures, around 21°C (69°F), but January has a marginally higher minimum temperature of 9°C (48°F) versus December’s 7°C (45°F).

Precipitation is more prevalent in January, totaling 39 mm (1.5 in) over four rainy days, while December sees less rain, with only 26 mm (1.0 in) across the same number of days. Humidity levels are also higher in December at 62% compared to January's 54%, suggesting that while both months can be warm, December tends to feel a bit more humid. For a deeper look at December weather specifics, you can visit Chiang Saen weather in December.

Compare Chiang Saen's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Chiang Saen

In January, Chiang Saen experiences a delightful shift in weather compared to other months, offering mild temperatures that are perfect for exploring the region. The warmth of the day contrasts beautifully with the cooler nights, creating an inviting atmosphere. With minimal precipitation and just a few rainy days, outdoor adventures are easily enjoyed. The moderate humidity levels ensure that visitors feel comfortable while taking in the stunning landscapes and vibrant culture. For those looking to understand more about what to expect from the climate in this enchanting destination, be sure to check out Chiang Saen Climate.