April Weather in Chiang Khan, Thailand

Last updated: August 27, 2025

April in Chiang Khan, Thailand is characterized by a warm climate, with temperatures soaring to a maximum of 41°C (105°F) and an average temperature hovering around 28°C (83°F). The evenings offer a cooler respite, dipping to a minimum of 17°C (62°F). Visitors can expect about 78 mm (3.1 in) of rainfall spread across 12 days, contributing to a humidity level of 40%. This dynamic weather makes April a vibrant time for exploring the local culture and picturesque landscapes of Chiang Khan.

April Temperature in Chiang Khan

In April, Chiang Khan, Thailand, experiences a noticeable shift in temperatures, ushering in the peak of the warm season. The average temperature rises to a balmy 28°C (83°F), with daytime highs reaching an impressive 41°C (105°F), making it one of the hottest months of the year. Evenings remain comfortably warm, with minimum temperatures hovering around 17°C (62°F). As spring progresses, the gradual increase from March's temperatures hints at a trend toward the sizzling conditions of May. This warmth beckons visitors to revel in outdoor activities, bask in the vibrant local culture, and enjoy the stunning natural landscapes that Chiang Khan has to offer under the sunny skies of April.

April Weather in Chiang Khan: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Chiang Khan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiang Khan, April 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).
JanFebMarAprMayJunJulAugSepOctNovDec737581838383828281807772
Data source: Temperature data for Chiang Khan 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.

April Precipitation in Chiang Khan

April marks a significant shift in precipitation patterns for Chiang Khan, Thailand, as the region experiences a notable increase in rainfall, accumulating 78 mm (3.1 in) over 12 days. This surge sets the stage for the approaching monsoon season, contrasting sharply with the drier months that precede it. While January, February, and March see minimal rainfall—peaking at just 32 mm (1.3 in) in March—April's downpours signal the start of a wetter trend that will escalate in the following months. With precipitation progressively increasing, May and beyond bring even more intense rainfall, highlighting April as a crucial transitional month that prepares the landscape for the lush, verdant growth characteristic of the rainy season.

April Precipitation Trends in Chiang Khan

The chart displays monthly precipitation patterns in Chiang Khan, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Chiang Khan, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec82232781712212333212531431510
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Chiang Khan

In April, humidity levels in Chiang Khan, Thailand begin to shift slightly, sitting at 40%. This marks a subtle increase from the drier months of January through March, where humidity peaked at 52% in January and dipped to 39% by March. As spring progresses, the air starts to retain more moisture, foreshadowing the approaching wet season. This gradual rise in humidity is significant as it sets the stage for the heavy rains of May, when levels surge dramatically to 69% and continue to climb through the summer months. The transition seen in April highlights the dynamic climate of Chiang Khan, where the balmy air promises a vibrant atmosphere as the region prepares for a return to lush greenery.

April Average Humidity in Chiang Khan

This chart illustrates the average monthly humidity levels in Chiang Khan, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Chiang Khan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Chiang Khan

In April, visitors to Chiang Khan, Thailand, can expect an extreme UV Index of 13, reflecting a continued trend from March that signals the onset of the hottest months. With a burn time of just 10 minutes, it is crucial to take precautions against sun exposure during this time. The UV levels remain consistently high, peaking in May with a UV Index of 14, before settling into a relentless pattern of extreme exposure through much of the rainy season. As temperatures rise, understanding the UV Index becomes essential for both locals and travelers; you can find detailed data and safety recommendations at Chiang Khan UV Index.

Maximum UV Index Levels in Chiang Khan for April

The chart shows the monthly maximum UV Index (UVI) for Chiang Khan in April, 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 April, the maximum UV index in Chiang Khan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121313141414141412108
Data source: Chiang Khan April 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.

April Sunshine in Chiang Khan

April in Chiang Khan, Thailand, basks in a delightful 310 hours of sunshine, making it one of the sunniest months of the year. Following the impressive 322 hours in March, it's evident that the region enjoys a vibrant transition into spring. As the days grow warmer, the sunlight remains abundant, setting a cheerful tone for outdoor adventures. The months surrounding April, particularly May with 304 hours and February with 294 hours, also showcase a lot of sunshine, contributing to a consistent pattern of bright skies as the year progresses. However, the decline in sunshine hours during the summer months of June and July — dipping to 262 and 261 hours respectively — hints at the approaching monsoon season. Overall, April stands out, not just for its generous sunlight, but as part of a delightful tapestry of seasonal change in this charming riverside town.

Monthly Sunshine Duration in Chiang Khan: April Highlighted

The April sunshine duration represents the total number of hours Chiang Khan experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec252h294h322h310h304h262h261h233h272h284h305h313h
Data source: Chiang Khan April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chiang Khan During April

As you gaze towards the April skies in Chiang Khan, Thailand, be prepared for a significant shift in the weather. With only a 25% chance of sunny weather, April marks a notable decrease from the bright beginnings of the year in January and February, where sunshine was nearly a given, enjoying rates of 81% and 84% respectively. This decline continues from March’s 66%, indicating a transition into a month where overcast or rainy days are more likely. As the year progresses towards the heavier rains of summer, many will find April's weather to be a reminder that while sunny days are cherished, the lush landscapes that follow the rains are equally captivating.

Percentage of Sunny Days in April in Chiang Khan

The chart illustrates the percentage of sunny days in Chiang Khan throughout the year, with April 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 Khan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%66%25%37%14%13%13%14%26%61%84%
Data source: Chiang Khan April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chiang Khan in April

In April, Chiang Khan, Thailand experiences a delightful 12 hours of daylight, continuing the trend of increased sunlight that began in March. As the region transitions into spring, the daylight hours remain consistent, setting the stage for vibrant outdoor activities and scenic views. Following April, the daylight hours peak in June and July, reaching 13 hours, before gradually tapering off in the fall months. This steady increase during the early months of the year reflects the region's rhythm of nature, highlighting Chiang Khan as a captivating destination where visitors can enjoy longer days and the enchanting beauty of the landscape.

Average Daylight Hours in Chiang Khan for April

The chart illustrates the variation in daylight duration in Chiang Khan throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 32m12h 57m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Chiang Khan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Chiang Khan

In April, Chiang Khan experiences a gentle breeze with an average wind speed of 1.3 m/s (3 mph), mirroring the calm of the preceding months. As the dry season unfolds, the air remains tranquil, making it an ideal time for leisurely explorations along the Mekong River. While the winds pick up slightly in June and July, reaching up to 2.0 m/s (4 mph), April's softness offers a serene ambiance, allowing visitors to soak in the picturesque landscapes without the typical disturbances of stronger gusts. This trend of mild winds persists into May and later months, culminating in a perfect atmosphere for relaxation and appreciation of Chiang Khan's breathtaking views.

Average April Wind Speed in Chiang Khan

The chart displays monthly wind speed patterns in Chiang Khan, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.61.3 m/s1.32.02.01.71.41.31.51.5
Data source: Chiang Khan April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Chiang Khan Compares to Other Months

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

April and January present contrasting weather conditions. In April, temperatures soar with a minimum of 17°C (62°F) and an average high reaching up to 41°C (105°F), making it noticeably hotter than January, which sees a minimum of 10°C (50°F) and a maximum of 35°C (95°F). Additionally, April experiences more rainfall, totaling 78 mm (3.1 in) over 12 days, while January remains much drier with only 7 mm (0.3 in) of precipitation across just 1 day. Humidity levels also differ, with April at 40% compared to January's higher 52%. For those interested in more details, you can reference Chiang Khan weather in January.

When comparing the weather in April and February, it's evident that April is significantly warmer, with average temperatures reaching 28°C (83°F) compared to February's milder average of 24°C (75°F). April also sees higher maximum temperatures, peaking at 41°C (105°F) versus February's maximum of 37°C (99°F). Additionally, April experiences more rainfall, with 78 mm (3.1 in) spread over 12 days, while February has only 22 mm (0.9 in) of precipitation over just 2 days. Furthermore, February has a higher humidity level at 49%, compared to April's 40%. For a more detailed look at February weather, check out Chiang Khan weather in February.

In comparing the weather between March and April, April tends to be slightly warmer, with an average temperature of 28°C (83°F) compared to March's 27°C (81°F). The maximum temperatures also rise in April, reaching up to 41°C (105°F) versus 39°C (102°F) in March. While both months experience relatively low humidity, April has an average humidity of 40%, marginally higher than March's 39%. Precipitation significantly increases in April, with 78 mm (3.1 in) recorded over 12 days, compared to just 32 mm (1.3 in) over 6 days in March. For a more detailed look at March weather, you can visit Chiang Khan weather in March.

April and May present distinct weather patterns, with May experiencing slightly warmer and more humid conditions. In April, temperatures range from a minimum of 17°C (62°F) to a maximum of 41°C (105°F), with an average of 28°C (83°F). This month sees around 78 mm (3.1 in) of precipitation over 12 days and a humidity level of 40%. In contrast, May features a higher minimum temperature of 21°C (70°F) and an average only marginally warmer at 29°C (84°F), with a maximum still reaching 40°C (105°F). However, May also brings significantly increased rainfall totaling 171 mm (6.7 in) across 20 days and a higher humidity of 69%. For a more detailed understanding of May’s climate, visit Chiang Khan weather in May.

In April, temperatures range from a minimum of 17°C (62°F) to a maximum of 41°C (105°F), with an average of 28°C (83°F). The month experiences about 78 mm (3.1 in) of precipitation over 12 days, accompanied by a humidity level of 40%. Conversely, June sees a slightly lower maximum temperature of 38°C (101°F) and a minimum of 23°C (74°F), with an average temperature similar to April at 29°C (84°F). However, June is significantly wetter, with 221 mm (8.7 in) of rain spread over 22 days, resulting in a much higher humidity level of 81%. For more specific insights, you can check Chiang Khan weather in June.

In April, the weather features a range from a minimum of 17°C (62°F) to a maximum of 41°C (105°F), with an average temperature of 28°C (83°F). The month experiences relatively low humidity at 40% and records about 78 mm (3.1 inches) of precipitation over 12 days. In contrast, July is noticeably warmer at night with a minimum temperature of 23°C (74°F), and while the average remains the same at 28°C (83°F), the maximum temperature is lower at 37°C (99°F). However, July is much wetter, with 233 mm (9.2 inches) of rainfall spread across 23 days, leading to significantly higher humidity levels at 83%. For more details on July weather, you can check Chiang Khan weather in July.

April and August feature distinct weather patterns. In April, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 41°C (105°F), with an average of 28°C (83°F). The month also sees relatively low precipitation, totaling 78 mm (3.1 in) over about 12 days, and humidity levels hover around 40%. In contrast, August presents milder temperatures, with a minimum of 23°C (74°F) and a maximum of 36°C (97°F), maintaining a similar average of 28°C (82°F). However, August is significantly wetter, accumulating 321 mm (12.6 in) of rain over 25 days, and humidity increases sharply to 87%. For more information, check out Chiang Khan weather in August.

April and September present markedly different weather patterns. In April, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 41°C (105°F), averaging around 28°C (83°F). The month experiences relatively low humidity at 40% and receives about 78 mm (3.1 in) of precipitation, with rain spread over 12 days. In contrast, September sees warmer minimum temperatures at 22°C (72°F) and a cooler average of 27°C (82°F), with a maximum of 35°C (96°F). The month is significantly wetter, with 253 mm (10.0 in) of rain over 23 days and a high humidity level of 86%. For more detailed insights, check out Chiang Khan weather in September.

April and October exhibit distinct weather patterns, with April generally being hotter and drier. In April, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 41°C (105°F), with an average of 28°C (83°F) and only 78 mm of precipitation over approximately 12 days. In contrast, October offers slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 36°C (96°F), averaging 27°C (80°F). However, October is notably wetter, receiving 143 mm of rainfall over 17 days, along with higher humidity levels at 74%. For more details, visit Chiang Khan weather in October.

April and November present contrasting weather patterns. April features warmer temperatures, with averages reaching up to 28°C (83°F) and maximums soaring to 41°C (105°F), alongside a higher precipitation level of 78 mm (3.1 in) over 12 days. In contrast, November offers a milder climate, with an average temperature of 25°C (78°F) and maximums around 35°C (95°F). The month sees significantly less rainfall, totaling just 15 mm (0.6 in) over 5 days, but comes with increased humidity at 63%. For more detailed insights into the weather during this month, you can check Chiang Khan weather in November.

April and December exhibit stark contrasts in weather conditions. In April, temperatures can soar as high as 41°C (105°F), with an average of 28°C (83°F) and a notable minimum of 17°C (62°F). The month is characterized by significantly higher humidity at 40% and frequent precipitation, with rainfall occurring on 12 days and totaling 78 mm (3.1 in). In contrast, December brings cooler temperatures, with a maximum of 34°C (93°F) and an average of 22°C (72°F), while the minimum dips to 9°C (48°F). This month is much drier, experiencing only 10 mm (0.4 in) of rain over just 2 days and higher humidity at 57%. For more insights into December weather, you can check out Chiang Khan weather in December.

Compare Chiang Khan's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Chiang Khan

As April unfolds in Chiang Khan, the weather takes a distinctive turn, marked by a scorching rise in temperatures that can soar up to an impressive 41°C (105°F). This month tends to be hotter than others, with an average temperature of 28°C (83°F), contrasting sharply with the cooler months surrounding it. While humidity remains moderate at about 40%, the significant precipitation of 78 mm over 12 days brings refreshing relief, albeit sporadically. This blend of heat and occasional rain creates a unique atmosphere, making April a vibrant time to experience Chiang Khan. For more detailed insights, visit Chiang Khan Climate.