April Weather in Surat Thani, Thailand

Last updated: August 27, 2025

April in Surat Thani, Thailand presents a tropical climate characterized by warm temperatures and significant rainfall. With maximum temperatures soaring up to 36°C (97°F) and an average of 29°C (84°F), residents and visitors can expect a humid atmosphere, averaging around 69% humidity. Throughout the month, the region experiences 178 mm (7.0 in) of precipitation over 19 days, highlighting the transition into the rainy season. While the heat is palpable, the intermittent showers bring a refreshing relief, making April a captivating time to explore the lush landscapes of Surat Thani.

April Temperature in Surat Thani

In April, Surat Thani heats up with a noticeable rise in temperatures, marking the transition into the hottest months of the year. The minimum temperature hovers around 25°C (77°F), while the average remains steady at 29°C (84°F). However, what truly captures attention is the maximum temperature, which soars to an impressive 36°C (97°F). This trend of increasing warmth is a continuation from March, where maximums reached 35°C (95°F), indicating that travelers should prepare for the heat. As April progresses, the lush landscapes of Surat Thani become even more inviting, with the warmer temperatures encouraging outdoor adventures, despite the rising mercury. Visitors will experience the vibrant energy of the region while soaking in the tropical warmth, making it an ideal time to explore this beautiful part of Thailand.

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

The chart illustrates April temperature patterns in Surat Thani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surat 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).
JanFebMarAprMayJunJulAugSepOctNovDec818184848483838382818180
Data source: Temperature data for Surat 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 Surat Thani

April marks a significant shift in Surat Thani, Thailand's precipitation patterns, with rainfall soaring to 178 mm (7.0 in) over 19 days, making it one of the wetter months of the year. This surge reflects a notable increase compared to the preceding months; for instance, March saw only 38 mm (1.5 in) of rain over 6 days. As the region transitions into the monsoon season, April's precipitation sets the stage for even heavier rainfall in May, which typically experiences an average of 151 mm (5.9 in) spread across 25 days. This trend underscores the importance of April as a pivotal point, marking not just increased rainfall but also a shift toward the region's characteristic wet season, with its lush landscapes revitalized by abundant water.

April Precipitation Trends in Surat Thani

The chart displays monthly precipitation patterns in Surat 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 Surat Thani, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13728391781511189599164240317197
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Surat Thani

April in Surat Thani, Thailand, welcomes the onset of the wet season with an average humidity level of 69%, a slight increase from the previous months of 68% in both February and March. As the temperature begins to rise, this modest uptick in humidity sets the stage for the coming summer months. The trend becomes more pronounced in May, where humidity spikes to 77%, hinting at the heavy rainfall that characterizes the region in the following months. Overall, April acts as a transitional month, bridging the relatively drier late-winter atmosphere and the lush, moist environment of the approaching rainy season.

April Average Humidity in Surat Thani

This chart illustrates the average monthly humidity levels in Surat 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 Surat Thani is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%68%69%77%86%86%88%87%86%87%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Surat Thani

In April, Surat Thani experiences a persistently high UV Index of 15, categorizing exposure as extreme. This level of UV radiation, which remains consistent since March, means that even brief sun exposure—just 10 minutes—could result in skin burns. Notably, this month peaks with a UV Index comparable to the previous month, indicating an ongoing trend of intense solar activity in the region. As the year unfolds, the UV Index will gradually decrease, but residents and visitors should remain vigilant about sun safety during these peak months. To learn more about the UV Index in Surat Thani, visit Surat Thani UV Index.

Maximum UV Index Levels in Surat Thani for April

The chart shows the monthly maximum UV Index (UVI) for Surat 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 Surat Thani typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151413131414141211
Data source: Surat 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 Surat Thani

In Surat Thani, April shines brightly with 306 hours of sunshine, marking a slight dip from the sun-drenched peaks of the previous months but still maintaining a vibrant glow. Following March's impressive 344 hours, April's sunshine levels are consistent with February and May, each offering 307 hours of warmth. This trend reveals a delightful springtime ambiance, where residents and visitors alike can bask in the transitional charm before the onset of the rainy season. Overall, Surat Thani's sunny disposition in April provides a perfect backdrop for outdoor adventures, ensuring that the spirit of adventure thrives in this tropical paradise.

Monthly Sunshine Duration in Surat Thani: April Highlighted

The April sunshine duration represents the total number of hours Surat 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.
JanFebMarAprMayJunJulAugSepOctNovDec245h307h344h306h307h294h309h297h270h273h272h288h
Data source: Surat Thani April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Surat Thani During April

In Surat Thani, Thailand, the likelihood of sunny weather in April appears to dip to 25%, marking a decline from the sunnier months of January and February. This trend continues the pattern seen in March, where the chance of clear skies is at 46%. It is noteworthy that as the region transitions deeper into the year, the prospects for sunshine diminish significantly, with May predicted at just 18%. This decline emphasizes a seasonal shift towards the wet months, where overcast days become more prevalent as summer approaches, making April a somewhat transitional month for those hoping to enjoy sunny weather.

Percentage of Sunny Days in April in Surat Thani

The chart illustrates the percentage of sunny days in Surat 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 Surat Thani experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%54%46%25%18%20%17%7%11%9%6%35%
Data source: Surat Thani April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Surat Thani in April

In April, Surat Thani, Thailand enjoys 12 hours of daylight, marking the continuation of an upward trend that began in early spring. January and February saw a steady 11 hours of daylight, but as the days grew longer in March, the region welcomed an extra hour of sunshine. This pattern of extended daylight persists into May, June, July, and August, where the duration remains consistent at 12 hours. As the year progresses into the autumn months, daylight begins to taper off again, returning to 11 hours in October before settling into the cooler months of November and December. This rhythm of light not only shapes daily life in Surat Thani but also heralds the changing seasons and the activities they inspire.

Average Daylight Hours in Surat Thani for April

The chart illustrates the variation in daylight duration in Surat 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 38m11h 49m12h 3m12h 18m12h 31m12h 38m12h 34m12h 23m12h 9m11h 54m11h 41m11h 35m
Data source: Surat Thani daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Surat Thani

In April, Surat Thani experiences a noticeable dip in wind speed, averaging just 2.1 m/s (5 mph), making it one of the calmest months of the year. This gentle breeze contrasts with the more robust winds found in January and December, which see speeds of 3.6 m/s (8 mph) and 4.0 m/s (9 mph) respectively. Following April, the winds pick up slightly again in May, reaching 2.5 m/s (6 mph), hinting at the beginning of the monsoon season. The overall trend reveals that while the wind tends to be steadier during the early and late months of the year, April offers a serene interlude that invites tranquility and a respite from the seasonal gusts.

Average April Wind Speed in Surat Thani

The chart displays monthly wind speed patterns in Surat 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.62.92.92.1 m/s2.53.03.33.02.42.62.94.0
Data source: Surat Thani April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Surat Thani Compares to Other Months

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

In comparison to January, April in Surat Thani experiences warmer temperatures, with average highs reaching 36°C (97°F) compared to January’s maximum of 32°C (90°F). The humidity is slightly lower in April at 69%, while January maintains a higher level at 72%. Additionally, April sees significantly more precipitation, totaling 178 mm (7.0 in) over 19 days, as opposed to January’s 137 mm (5.4 in) spread over 13 days. For more detailed information on January weather patterns, you can check Surat Thani weather in January.

When comparing the weather in April and February, it's evident that April is warmer and wetter. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). In contrast, February offers milder conditions, with temperatures ranging from 21°C (71°F) to 33°C (92°F) and an average of 27°C (82°F). Furthermore, April experiences significantly higher precipitation, totaling 178 mm (7.0 inches) over 19 days, compared to just 28 mm (1.1 inches) over 6 days in February. Humidity levels are relatively consistent, with April at 69% and February at 68%. For more details on February's weather, you can visit Surat Thani weather in February.

In comparing the weather of April to March, we can see some notable differences. April typically experiences slightly higher temperatures, with minimums reaching 25°C (77°F) compared to March's 24°C (75°F). Both months share an average temperature of 29°C (84°F), but April's maximum can go up to a sweltering 36°C (97°F), while March peaks at a still warm 35°C (95°F). Precipitation is significantly higher in April, with 178 mm (7.0 in) over 19 days, whereas March only records 38 mm (1.5 in) across 6 days. The humidity levels remain similar, with April at 69% and March slightly lower at 68%. For more detailed insights, you can check Surat Thani weather in March.

April and May in Surat Thani share similar temperature ranges, with both months featuring minimums around 25°C (77°F) and averages at 29°C (84°F), peaking at 36°C (97°F) in April and slightly lower at 36°C (96°F) in May. However, May experiences less precipitation overall, with 151 mm (5.9 in) compared to April's 178 mm (7.0 in), despite having more rainy days—25 compared to 19 in April. Additionally, May tends to be more humid, with humidity levels rising to 77%, compared to 69% in April. For more detailed information, you can check Surat Thani weather in May.

April and June in Surat Thani exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). The month also experiences significant rainfall, totaling 178 mm (7.0 in) across 19 days, coupled with a humidity level of 69%. In contrast, June sees slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), averaging 28°C (83°F). Rainfall in June is lower, at 117 mm (4.6 in), also spread over 19 days, but the humidity increases to a substantial 86%. For more details, you can check Surat Thani weather in June.

In comparing the weather of April and July, both months experience similar temperature ranges, with minimums around 25°C (77°F), maximums peaking at 36°C (97°F), and average temperatures slightly cooler in July at 28°C (83°F) compared to April's 29°C (84°F). However, April features significantly higher precipitation at 178 mm (7.0 in) over 19 days, while July sees a drop to 95 mm (3.7 in) over 18 days. Additionally, July has a higher humidity level at 86%, compared to April's 69%, making it feel more oppressive despite the slightly cooler average temperature. For more detailed insights, you can check out Surat Thani weather in July.

When comparing the weather in April and August, April tends to be slightly warmer with average temperatures reaching 29°C (84°F) and a maximum of 36°C (97°F), while August sees a cooler average of 28°C (83°F) and a peak of 35°C (95°F). Precipitation is notably higher in April, accumulating 178 mm (7.0 in) over 19 days, compared to August, which experiences 99 mm (3.9 in) over 21 days. Additionally, humidity levels are more pronounced in August at 88%, whereas April maintains a lower humidity rate of 69%. For more detailed information about August conditions, you can visit Surat Thani weather in August.

When comparing the weather in April and September, slight differences emerge. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). The month experiences significant rainfall, totaling 178 mm (7.0 in) over 19 days, and a humidity level of 69%. Conversely, September sees slightly cooler temperatures, with a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum of 34°C (94°F). The precipitation in September is also notable, at 164 mm (6.5 in), but falls over more days, totaling 24, and brings higher humidity at 87%. For more detailed information, you can check out Surat Thani weather in September.

April typically experiences warmer temperatures with a minimum of 25°C (77°F) and an average of 29°C (84°F), peaking at 36°C (97°F). In contrast, October sees slightly cooler conditions, with temperatures ranging from a minimum of 24°C (76°F) to an average of 27°C (81°F) and a maximum of 33°C (91°F). However, October is wetter, receiving 239 mm (9.4 in) of precipitation across 28 days, compared to April's 178 mm (7.0 in) over 19 days. The humidity is also higher in October at 86%, compared to April's 69%. For more details, visit Surat Thani weather in October.

April and November feature warm temperatures, but their overall climate differs significantly. In April, the minimum temperature averages around 25°C (77°F) with a peak reaching 36°C (97°F), and the month experiences about 178 mm (7.0 in) of precipitation over 19 days, accompanied by a humidity level of 69%. In contrast, November is a bit cooler, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (89°F). However, it brings much more rainfall, with approximately 317 mm (12.5 in) falling over 26 days, resulting in higher humidity at 87%. For more information, check out Surat Thani weather in November.

In comparing the weather of April and December in Surat Thani, April tends to be warmer, with average temperatures reaching up to 29°C (84°F) and maximums soaring to 36°C (97°F). In contrast, December sees slightly cooler averages of 27°C (80°F) and maximums of 32°C (89°F). However, both months experience significant rainfall, with December receiving 197 mm (7.8 in) over 20 days, slightly more than April's 178 mm (7.0 in) over 19 days. Additionally, humidity levels are higher in December at 83%, compared to April's 69%, making December feel more humid and damp. For a more detailed overview, you can check Surat Thani weather in December.

Compare Surat Thani's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Surat Thani

April in Surat Thani brings a distinctive tropical warmth, with temperatures that peak significantly, making it warmer than the preceding months. The air remains humid, often leading to a mix of sunshine and rain, as this month experiences a notable increase in precipitation days. With nearly 70% humidity and frequent showers, April signals a shift towards the wet season, contrasting sharply with the drier, cooler months that precede it. For those planning a visit or just looking to learn more about the region's atmospheric changes, you can explore further information here: Surat Thani Climate.