April Weather in Udon Thani, Thailand

Last updated: August 27, 2025

In April, Udon Thani, Thailand experiences a distinctly warm climate, with maximum temperatures soaring up to 41°C (107°F) and an average of 29°C (85°F). Overnight, temperatures can drop to a cooler 16°C (62°F), offering a brief respite from the heat. The month sees an accumulated precipitation of 69 mm (2.7 in) across approximately 9 days, contributing to a relative humidity of 40%. This combination of high temperatures and occasional rainfall creates a uniquely vibrant atmosphere, perfect for exploring the rich culture and natural beauty of the region.

April Temperature in Udon Thani

In Udon Thani, Thailand, April marks a striking transition into the heart of the hot season, where temperatures begin to soar. The month starts with a minimum of 16°C (62°F) and an average of 29°C (85°F), making it noticeably warmer than the cooler months preceding it. As the days progress, the heat intensifies, with maximum temperatures reaching a sizzling 41°C (107°F). This upward trend in warmth reflects a sharp rise, especially compared to March, which already experienced highs of 40°C (104°F). As April unfolds, residents and visitors alike can expect a blend of humidity and heat, signaling the onset of summer in this vibrant region.

April Weather in Udon Thani: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Udon Thani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Udon Thani, 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).
JanFebMarAprMayJunJulAugSepOctNovDec757782858585848383817973
Data source: Temperature data for Udon Thani 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 Udon Thani

In Udon Thani, Thailand, April marks a significant shift in the precipitation landscape, with the rainfall reaching 69 mm (2.7 in) over 9 days. This dramatic increase from 34 mm (1.3 in) in March signals the onset of the rainy season, as the region prepares for even heavier rains in the following months. The number of precipitation days nearly doubles, reflecting a transition that leads into the peak wet months of May and June, where totals soar to 183 mm (7.2 in) and 206 mm (8.1 in), respectively. This trend underscores April as a pivotal month, bridging the dry and wet seasons and setting the stage for the lush landscapes that follow.

April Precipitation Trends in Udon Thani

The chart displays monthly precipitation patterns in Udon Thani, 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 Udon Thani, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4123469183206289320219114116
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Udon Thani

In April, Udon Thani experiences a notable dip in humidity, measuring at 40%, the lowest point in the annual cycle. This decrease follows a gradual decline from 59% in January, through 54% in February and 45% in March, marking a shift towards the drier conditions often seen as the dry season begins to take hold. However, this respite is short-lived, as May brings a sharp rise to 65%, signaling the onset of the humid months ahead, which peak in the mid-summer with humidity levels skyrocketing to over 90% in July and August. As the year progresses, Udon Thani transitions from the comfortable dryness of April to the intense humidity of the rainy season, creating a stark contrast in weather patterns throughout the months.

April Average Humidity in Udon Thani

This chart illustrates the average monthly humidity levels in Udon Thani, 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 Udon Thani is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Udon Thani

In April, Udon Thani experiences one of its most intense months in terms of sun exposure, with a UV Index soaring to 14, categorized as extreme. This striking value aligns with a trend that begins in February and continues through April, where the UV levels remain consistently high, rendering a burn time of just 10 minutes for unprotected skin. The intensity not only underscores the importance of sun safety but also highlights a shift into the hotter season, with similar values continuing into May and throughout the summer months. As the UV Index remains elevated, residents and tourists alike are reminded to take necessary precautions to shield themselves from harmful rays. For more insights, check out the detailed Udon Thani UV Index.

Maximum UV Index Levels in Udon Thani for April

The chart shows the monthly maximum UV Index (UVI) for Udon Thani 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 Udon Thani typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141314141412109
Data source: Udon Thani 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 Udon Thani

April in Udon Thani, Thailand, offers a delightful blend of warm sunshine, boasting 313 hours of radiant daylight. This month showcases a slight dip from March's impressive 321 hours but still maintains a robust count that outshines the early summer months. As the landscape transitions from the cooler earlier months, April remains consistently lit, closely mirroring May's 314 hours—a testament to the region's enduring charm as the dry season progresses. With vibrant skies and ample sunlight, this period is perfect for outdoor exploration and enjoying the lush scenery that Udon Thani has to offer.

Monthly Sunshine Duration in Udon Thani: April Highlighted

The April sunshine duration represents the total number of hours Udon Thani 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.
JanFebMarAprMayJunJulAugSepOctNovDec256h294h321h313h314h280h274h257h279h293h304h312h
Data source: Udon Thani April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Udon Thani During April

In Udon Thani, Thailand, the shift toward April signals a notable decrease in the likelihood of sunny weather, dropping to a mere 30% chance of sun. After enjoying significantly higher rates earlier in the year—83% in January and 87% in February—the onset of April marks the beginning of a cloudy transition into the rainy season. This trend continues into May, where the chances marginally improve to 40%, but plummet sharply in the subsequent months of June through August, with sunshine chances hovering around just 14%-16%. As the year progresses, the weather takes a turn, illustrating how April serves as a pivotal point of change, ushering in a wetter time for Udon Thani.

Percentage of Sunny Days in April in Udon Thani

The chart illustrates the percentage of sunny days in Udon Thani 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 Udon Thani experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec83%87%67%30%40%14%16%15%17%29%63%84%
Data source: Udon Thani April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Udon Thani in April

In Udon Thani, Thailand, April marks a delightful transition as the daylight duration reaches 12 hours. This extended sunlight mirrors the progression from March's 12 hours, indicating a gradual lengthening as the region sheds the cooler days of early spring. As the months roll on, daylight slowly begins to increase, peaking at 13 hours in June and July before tapering off again later in the year. This consistent rhythm of longer days from March to July enhances outdoor activities, inviting both locals and visitors to soak up the sun and enjoy the vibrant atmosphere of the season.

Average Daylight Hours in Udon Thani for April

The chart illustrates the variation in daylight duration in Udon Thani throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 12m11h 33m12h 2m12h 31m12h 56m13h 8m13h 2m12h 40m12h 12m11h 43m11h 18m11h 5m
Data source: Udon Thani daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Udon Thani

In Udon Thani, Thailand, the winds of April exhibit a gentle embrace, with an average speed of just 1.5 m/s (3 mph). This month marks a subtle dip from the breezier months preceding it, where the winds in January and February danced freely at 2.3 m/s and 2.1 m/s, respectively. As spring unfolds, the transition into warmer weather brings a slight calm, leading to a noticeable lull in wind activity. However, this tranquil atmosphere is soon invigorated in the following months, with the winds picking up energy again in May and gradually returning to the 2 m/s range by October. Ultimately, April serves as a serene interlude in Udon Thani's yearly wind patterns, perfectly setting the stage for the upcoming seasonal shifts.

Average April Wind Speed in Udon Thani

The chart displays monthly wind speed patterns in Udon Thani, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.11.91.5 m/s1.62.22.21.91.72.02.22.5
Data source: Udon Thani April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Udon Thani Compares to Other Months

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

In comparing the weather between January and April, April is considerably warmer, featuring a minimum temperature of 16°C (62°F) and reaching highs of up to 41°C (107°F), with an average temperature of 29°C (85°F). In contrast, January has cooler temperatures, with a minimum of 10°C (50°F), an average of 24°C (75°F), and a maximum of 35°C (96°F). Additionally, April experiences significantly higher precipitation, with 69 mm (2.7 in) over 9 days, compared to just 4 mm (0.1 in) on 1 day in January. The humidity is also noticeably different, sitting at 40% in April compared to 59% in January, contributing to a more humid feel during the latter month. For more specific details, check out Udon Thani weather in January.

When comparing the weather in April and February, April generally experiences higher temperatures, with an average of 29°C (85°F) and maximums reaching up to 41°C (107°F), compared to February's average of 25°C (77°F) and maximums of 37°C (100°F). Additionally, April tends to be more humid, with a humidity level of 40%, whereas February has a higher relative humidity of 54%. Precipitation is also notably higher in April, with 69 mm (2.7 in) falling over 9 days, compared to just 12 mm (0.5 in) on only 1 day in February. For more detailed information on February's weather, you can view Udon Thani weather in February.

In comparing the weather between March and April, it's evident that April tends to be slightly warmer, with an average temperature of 29°C (85°F) compared to March's 28°C (83°F). April also experiences higher maximum temperatures, reaching up to 41°C (107°F), while March peaks at 40°C (104°F). Additionally, April sees increased precipitation at 69 mm (2.7 in) over 9 days, compared to March's 34 mm (1.3 in) over 6 days. Interestingly, humidity is lower in April at 40%, while March has 45% humidity, making March feel somewhat more humid despite the overall milder temperatures. For more detailed insights on the weather conditions in March, you can visit Udon Thani weather in March.

April and May showcase distinct weather patterns, highlighting a transition into the warmer months. In April, temperatures range from a minimum of 16°C (62°F) to a maximum of 41°C (107°F), with an average of 29°C (85°F). The month experiences 69 mm (2.7 in) of precipitation over 9 days, and the humidity sits comfortably at 40%. In contrast, May sees a rise in minimum temperatures to 22°C (72°F) and maintains a similar maximum of 41°C (105°F), while the average remains steady at 30°C (85°F). However, May brings significantly more rainfall, totaling 183 mm (7.2 in) over 18 days, and the humidity increases to 65%. This shift indicates a noticeably wetter and more humid climate in May, making it a striking contrast to the drier April weather. For more detailed insights, check out Udon Thani weather in May.

When comparing the weather in April and June, notable differences emerge. April typically experiences a range of temperatures from a minimum of 16°C (62°F) to a maximum of 41°C (107°F), with an average of 29°C (85°F). This month sees about 69 mm (2.7 in) of precipitation over 9 days and maintains a lower humidity level of 40%. In contrast, June brings warmer nights with a minimum temperature of 24°C (75°F) and a slightly cooler maximum of 38°C (100°F), while the average remains consistent at 29°C (85°F). However, June is significantly wetter, with 206 mm (8.1 in) of rainfall over 22 days and a much higher humidity of 82%. For more detailed weather information, you can refer to Udon Thani weather in June.

April and July present quite different weather patterns. In April, temperatures range from a minimum of 16°C (62°F) to a maximum of 41°C (107°F), with a warm average of 29°C (85°F). The month experiences a moderate amount of precipitation, totaling 69 mm (2.7 in) over 9 days, accompanied by relatively low humidity at 40%. In contrast, July is significantly wetter, with total precipitation reaching 289 mm (11.4 in) across 26 days, along with much higher humidity levels at 90%. The temperature in July is also warmer, with minimums of 24°C (76°F) and a similar average of 29°C (84°F), though the maximum is slightly cooler at 37°C (99°F). This shift from April to July highlights a transition from hot and relatively dry weather to a much more humid and rainy climate. For more detailed information, you can check Udon Thani weather in July.

April and August showcase distinctly different weather conditions. In April, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 41°C (107°F), with an average of 29°C (85°F). The month experiences relatively low precipitation at 69 mm (2.7 inches) over about 9 days, along with a humidity level of 40%. In contrast, August presents a much cooler minimum temperature of 24°C (75°F) and a maximum of 37°C (99°F), with an average temperature of 28°C (84°F). However, this month sees significantly higher rainfall, totaling 319 mm (12.6 inches) across 25 days, and a humidity level that soars to 92%. For more details, you can check Udon Thani weather in August.

April and September showcase contrasting weather patterns. In April, temperatures range from a minimum of 16°C (62°F) to a blistering maximum of 41°C (107°F), averaging around 29°C (85°F) with relatively low humidity at 40%. However, this month also experiences some precipitation, totaling 69 mm (2.7 in) over 9 days. In contrast, September brings milder temperatures, with a minimum of 22°C (72°F) and a maximum of 36°C (97°F), averaging slightly lower at 28°C (83°F). This month is significantly wetter, receiving 219 mm (8.6 in) of rainfall across 24 days, leading to a much higher humidity level of 86%. For more details, you can visit Udon Thani weather in September.

When comparing the weather in April and October, April tends to be hotter, with temperatures ranging from a minimum of 16°C (62°F) to a scorching maximum of 41°C (107°F). In contrast, October offers milder temperatures, with a minimum of 19°C (66°F) and a maximum of 36°C (97°F). Additionally, April experiences lower humidity at 40% and lesser rainfall, totaling 69 mm (2.7 in) over 9 days. In October, however, humidity rises to 80%, and precipitation increases significantly, with 114 mm (4.5 in) falling over 15 days. For more information, visit Udon Thani weather in October.

April and November present contrasting weather patterns in Udon Thani. In April, temperatures soar with a minimum of 16°C (62°F), averaging 29°C (85°F), and peaking at a hot 41°C (107°F). This month also sees significant rainfall, totaling 69 mm (2.7 in) over 9 days, coupled with lower humidity at 40%. In contrast, November features milder temperatures, with a minimum of 16°C (62°F) and an average of 26°C (79°F), reaching a maximum of 36°C (97°F). Rainfall is minimal in November, with only 11 mm (0.4 in) over just 2 days, and humidity increases to a higher 72%. For a more detailed overview of November weather, check out Udon Thani weather in November.

In April, the weather is significantly hotter, with average temperatures reaching up to 29°C (85°F) and maximums soaring to 41°C (107°F). In contrast, December offers much cooler temperatures, with an average of 23°C (74°F) and maximums peaking at 34°C (93°F). April experiences more precipitation, totaling 69 mm (2.7 in) over 9 days, while December is much drier with only 6 mm (0.2 in) on just 1 day. Additionally, the humidity is lower in April at 40%, compared to a higher 66% in December, making the latter feel more humid overall. For more detailed information, check out Udon Thani weather in December.

Compare Udon Thani's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Udon Thani

In April, Udon Thani experiences a transition into the hotter months, with temperatures peaking at an impressive maximum of 41°C (107°F) and an average around 29°C (85°F). This significant warmth, contrasted with a minimum temperature of 16°C (62°F), indicates a broader temperature range compared to other months. The humidity level sits at a manageable 40%, while the region receives some rainfall—69 mm over about 9 days—adding a touch of respite to the heat. This combination of high temperatures and periodic precipitation makes April distinct, as it often signals the onset of the wet season and showcases the vibrant climate of Udon Thani. For more detailed insights, check out Udon Thani Climate.