April Weather in Nai Harn, Thailand

Last updated: August 27, 2025

In Nai Harn, Thailand, April brings a warm embrace with maximum temperatures reaching 30°C (87°F) and an average of 28°C (83°F), providing a tropical haven for visitors. The month is characterized by a minimum temperature of 25°C (78°F), ensuring pleasant evenings. However, travelers should be prepared for frequent showers, as total precipitation can reach 160 mm (6.3 in) over 22 rainy days. With a humidity level of 71%, the air feels notably tropical, making this month ideal for those who enjoy lush landscapes and vibrant scenery amidst a refreshing rain.

April Temperature in Nai Harn

In April, Nai Harn, Thailand, welcomes a delightful warmth, with temperatures ranging from a minimum of 25°C (78°F) to a comfortable maximum of 30°C (87°F). This month marks a slight rise in the average temperature, which settles at 28°C (83°F), maintaining the trend from previous months. The consistent warmth hints at the approaching summer, offering perfect beach weather without the extreme heat. As spring progresses, the pleasant temperatures invite visitors to enjoy outdoor activities, making April an ideal time to experience the vibrant beauty of this coastal paradise while basking in the sun's gentle embrace.

April Weather in Nai Harn: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Nai Harn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nai Harn, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818182828383838282818181
Data source: Temperature data for Nai Harn 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 Nai Harn

In April, Nai Harn, Thailand experiences a significant increase in precipitation, with 160 mm (6.3 in) of rain falling over 22 days. This uptick marks a noticeable transition from the drier months of February and March, which received only 15 mm and 41 mm respectively, and signals the onset of the wet season. As the month progresses, it becomes apparent that the rainfall patterns are beginning to intensify, paving the way for May and June, which record even higher amounts. This trend of increasing precipitation is typical as the region prepares for the lush, tropical conditions that characterize the following months, creating a vibrant backdrop for the picturesque landscapes of Nai Harn.

April Precipitation Trends in Nai Harn

The chart displays monthly precipitation patterns in Nai Harn, 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 Nai Harn, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1171541160225202169174251294279174
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Nai Harn

In April, Nai Harn, Thailand experiences a modest decline in humidity, averaging 71%. This is a slight dip from the preceding months, particularly from March's 74%, suggesting a brief moment of respite before the humidity levels begin to rise again. As the region transitions into the rainy season, the humidity climbs steadily in May and continues its upward trajectory into the summer months, peaking at 82% in August. Overall, April serves as a transitional month, where the humidity start to stabilize before the coastal tropical climate influences begin to take hold, highlighting the dynamic weather patterns characteristic of this enchanting locale.

April Average Humidity in Nai Harn

This chart illustrates the average monthly humidity levels in Nai Harn, 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 Nai Harn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%74%71%72%79%79%82%84%83%84%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Nai Harn

In April, Nai Harn, Thailand, continues to experience intensely high UV levels, maintaining a stark UV Index of 15, categorized as extreme. This marks the peak of a trend that begins in March and persists through May, where the burn time remains a swift 10 minutes. The consistency of such high UV exposure throughout these months emphasizes the need for sun protection. As temperatures rise and skies clear, it’s crucial for beachgoers and outdoor enthusiasts to remain vigilant against sunburn and enjoy the beautiful landscapes while safeguarding their skin. For detailed information on the UV index in this stunning locale, visit Nai Harn UV Index.

Maximum UV Index Levels in Nai Harn for April

The chart shows the monthly maximum UV Index (UVI) for Nai Harn 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 Nai Harn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151413131414141211
Data source: Nai Harn 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 Nai Harn

April shines brightly in Nai Harn, Thailand, with an impressive 320 hours of sunshine, creating the perfect backdrop for beach days and outdoor adventures. This month continues the trend of abundant sunshine, following a peak in March at 345 hours, and still holding strong as it transitions into May, which offers 315 hours. Though slightly less than its March counterpart, April’s sun still outshines the earlier months of the year, indicating the arrival of the warm season. Overall, the gradual increase in sunlight from January’s 260 hours to April's 320 hours paints a picture of vibrant and sunny days, promising delightful experiences for visitors and locals alike.

Monthly Sunshine Duration in Nai Harn: April Highlighted

The April sunshine duration represents the total number of hours Nai Harn 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h312h345h320h315h305h323h319h292h293h287h311h
Data source: Nai Harn April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nai Harn During April

In April, the likelihood of basking in the sun in Nai Harn, Thailand, dips to 21%, signaling a notable decrease from the sunnier months earlier in the year. Following February's peak at 47% and a substantial 42% in March, the transition into the rainy season begins to take hold. While the tendency for cloudy skies increases as summer approaches, April still retains a glimmer of hope for those seeking warmth, particularly when compared to the gloomier months of August and September, where the chances of sunshine plummet to just 12% and 9%, respectively. As you plan your visit, keep in mind that although April may not be the sunniest month, it still offers the opportunity for pleasant, albeit sporadic, sun-soaked days amidst the shifting weather patterns.

Percentage of Sunny Days in April in Nai Harn

The chart illustrates the percentage of sunny days in Nai Harn 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 Nai Harn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%47%42%21%16%21%19%12%9%9%3%38%
Data source: Nai Harn April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nai Harn in April

In Nai Harn, Thailand, the daylight duration exhibits a captivating rhythm throughout the year. Beginning with a steady 11 hours in January and February, the days gradually extend into March, reaching 12 hours of sunlight—a trend that continues into April. This consistency of 12 hours of daylight persists from April through August, creating a perfect backdrop for outdoor adventures and tropical exploration. As autumn approaches in September, the hours remain stable before tapering back to 11 hours by October and returning to shorter days from November to December. This seamless transition from plentiful daylight to shorter evenings exemplifies Nai Harn’s vibrant seasonal cycle, inviting both locals and visitors to revel in its sun-drenched charm.

Average Daylight Hours in Nai Harn for April

The chart illustrates the variation in daylight duration in Nai Harn throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 42m11h 51m12h 4m12h 17m12h 28m12h 33m12h 30m12h 21m12h 8m11h 55m11h 45m11h 39m
Data source: Nai Harn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Nai Harn

April in Nai Harn, Thailand, brings a gentle whisper of wind, with an average speed of 4.0 m/s (9 mph). This slight dip from March’s breezy 4.1 m/s signals the onset of the warmer months, as the region transitions toward summer. Interestingly, the wind patterns throughout the year showcase a dynamic interplay, beginning with the brisk earlier months and softening during April and May. Following this, the wind starts to pick up again in the early summer, with noticeable increases in July and August. The shift in wind speed encapsulates the region's evolving climate, providing a nuanced backdrop for the tranquil island atmosphere that characterizes Nai Harn.

Average April Wind Speed in Nai Harn

The chart displays monthly wind speed patterns in Nai Harn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.35.54.14.0 m/s3.94.55.35.04.34.74.25.4
Data source: Nai Harn April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Nai Harn Compares to Other Months

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

In comparing the weather of April and January, both months experience similar temperatures, with April having a slightly higher average of 28°C (83°F) compared to January's average of 27°C (81°F). However, April is considerably wetter, receiving 160 mm (6.3 in) of precipitation over 22 days, while January sees only 117 mm (4.6 in) across 11 days. Additionally, January has a higher humidity level of 76%, compared to April's 71%. For detailed weather insights, you can check Nai Harn weather in January.

April's weather is characterized by slightly warmer temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), which is comparable to February's temperatures but with slightly higher humidity at 71%. In contrast, February features a min temperature of 25°C (78°F) and an average of 27°C (82°F) but experiences significantly less rainfall, totaling only 15 mm (0.6 in) over just 4 days. April, on the other hand, sees much more precipitation with 160 mm (6.3 in) spread across 22 days. For more detailed weather information, you can visit Nai Harn weather in February.

In comparing the weather between March and April, we see some notable similarities and differences. Both months have similar average temperatures, with March's minimum temperature slightly higher at 26°C (78°F) compared to April's 25°C (78°F). Both months also share the same average and maximum temperatures of 28°C (83°F) and 30°C (87°F), respectively. However, April experiences significantly higher precipitation, measuring 160 mm (6.3 in) over 22 days, in contrast to March’s 41 mm (1.6 in) over just 9 days. Humidity levels are relatively close, with March at 74% and April at 71%. For more detailed information on March weather, you can refer to Nai Harn weather in March.

In April, the weather features a minimum temperature of 25°C (78°F), an average of 28°C (83°F), and a maximum of 30°C (87°F), with a total precipitation of 160 mm (6.3 in) over 22 days, resulting in a humidity level of 71%. In contrast, May experiences slightly higher minimum temperatures at 26°C (78°F) and maintains the same average of 28°C (83°F), but the maximum temperature drops slightly to 30°C (86°F). Furthermore, May sees an increase in precipitation to 225 mm (8.9 in) spread across 26 days, with humidity rising to 72%. For more detailed insights into the weather in May, you can check Nai Harn weather in May.

In both April and June, the temperatures remain consistent, with minimums around 25°C (78°F), average temperatures at 28°C (83°F), and maximums peaking at 30°C (87°F). However, June experiences slightly higher precipitation, with 202 mm (8.0 in) recorded over 23 days, compared to April’s 160 mm (6.3 in) across 22 days. Additionally, humidity levels rise in June to 79%, up from April’s 71%, making the atmosphere feel a bit more sultry. For a detailed look at the weather patterns, check out Nai Harn weather in June.

In April, the weather is characterized by a warm climate with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), averaging at 28°C (83°F). This month experiences significant rainfall, totaling 160 mm (6.3 in) over 22 days, and a humidity level of 71%. In contrast, July sees slightly higher humidity at 79%, with temperatures remaining similar, with a minimum of 26°C (79°F) and a maximum of 29°C (85°F), averaging again at 28°C (83°F). Rainfall in July is slightly higher, measuring 169 mm (6.7 in) across 17 days. For more detailed insights, you can check the Nai Harn weather in July.

In comparing the weather between April and August, both months feature similar temperature ranges, with minimums around 25°C (78°F), average temperatures around 28°C (82°F), and maximums reaching up to 30°C (86-87°F). However, August experiences slightly higher precipitation levels, totaling 174 mm (6.8 in) compared to April's 160 mm (6.3 in), despite there being fewer rainy days in August at 20 days versus April's 22 days. Additionally, August exhibits increased humidity at 82%, compared to April's 71%, making it feel more muggy. For more details about weather conditions during this time, check out Nai Harn weather in August.

In comparing the weather between April and September, we notice some intriguing similarities and differences. Both months have a minimum temperature of 25°C (78°F) and an average temperature of 28°C (82-83°F), making them relatively consistent in warmth. However, September sees slightly cooler maximum temperatures at 29°C (85°F) compared to April’s 30°C (87°F).

Precipitation is notably higher in September, with 251 mm (9.9 in) of rainfall spread over 24 days, compared to April's 160 mm (6.3 in) across 22 days. This contributes to increased humidity levels in September, which reach 84%, compared to April’s 71%. For a more detailed look at September weather in this region, check out Nai Harn weather in September.

April and October both boast warm temperatures, with average highs around 28-30°C (82-87°F). However, October tends to be slightly cooler, with temperatures averaging between 27-29°C (81-85°F). In terms of precipitation, October is notably wetter, receiving 294 mm (11.6 in) over 26 days compared to April's 160 mm (6.3 in) across 22 days. Additionally, October has higher humidity levels at 83%, compared to April's 71%. For more details on October weather, you can check Nai Harn weather in October.

April and November exhibit similar warm temperatures, with both months featuring a minimum temperature of 25°C (78°F) and a maximum of 30°C (87°F). However, April typically has slightly higher average temperatures at around 28°C (83°F), compared to November's 27°C (81°F). In terms of precipitation, November is significantly wetter, receiving 279 mm (11.0 in) over 25 days, while April sees about 160 mm (6.3 in) across 22 days. Humidity levels are also higher in November at 84%, compared to April's 71%. For more details about the weather in November, you can check Nai Harn weather in November.

April and December present quite similar temperature ranges, with both months featuring minimum temperatures around 25°C (77-78°F) and maximums reaching up to 30°C (87°F). However, April generally enjoys slightly warmer average temperatures at 28°C (83°F), compared to December’s average of 27°C (81°F). When it comes to precipitation, December is slightly wetter, receiving 174 mm (6.9 in) across 14 days, compared to April’s 160 mm (6.3 in) over 22 days, resulting in a higher humidity level of 84% in December versus 71% in April. For more detailed information, you can explore Nai Harn weather in December.

Compare Nai Harn's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Nai Harn

In April, Nai Harn experiences a shift characterized by warmer temperatures and increased humidity, making it distinct from the cooler months preceding it. With the average temperature rising, visitors can expect more heat, alongside a noticeable uptick in rainfall, as April sees a significant number of precipitation days. This combination of warmth and moisture creates a vibrant atmosphere, although travelers should be prepared for possible downpours. The tropical environment becomes lush and inviting, perfect for those seeking a blend of sun and occasional showers. For a more detailed understanding of the region's weather patterns, check out Nai Harn Climate.