April Weather in That Phanom, Thailand

Last updated: August 27, 2025

In April, That Phanom, Thailand experiences a warm tropical climate with temperatures ranging from a maximum of 40°C (104°F) to a comfortable average of 28°C (84°F), cooling down to a minimum of 16°C (61°F) during the night. Precipitation is moderate, totaling 67 mm (2.6 in) over approximately 10 days, while humidity levels hover around 40%, contributing to a lively atmosphere. This month marks a transitional period as the region moves towards the hotter months, offering visitors a mix of sunny days and occasional rain. Whether you're basking in the sun or enjoying a refreshing shower, April in That Phanom presents an inviting tropical experience.

April Temperature in That Phanom

In April, That Phanom, Thailand experiences a notable surge in temperatures, making it one of the warmest months of the year. With minimums hovering around 16°C (61°F) and maximums peaking at a scorching 40°C (104°F), the average temperature reaches a balmy 28°C (84°F). This pattern marks a continuation of the rising warmth observed from the previous months, where March's max temperature already approached 38°C (101°F). As the region transitions toward the full heat of summer, it's evident that the days grow increasingly hot, urging visitors to prepare for the vibrant yet challenging tropical climate.

April Weather in That Phanom: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in That Phanom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In That Phanom, 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).
JanFebMarAprMayJunJulAugSepOctNovDec737581838484828282807773
Data source: Temperature data for That Phanom 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 That Phanom

April marks a significant uptick in precipitation for That Phanom, Thailand, with rainfall totaling 67 mm (2.6 in), a sharp increase from the 36 mm (1.4 in) recorded in March. This month also sees an increase in the number of rainy days, rising to 10, compared to just 6 in March. As the dry season transitions into the wetter months, the April showers pave the way for more intense rainfall in May and June, with 168 mm (6.6 in) and 191 mm (7.5 in) expected, respectively. The gradual escalation in total precipitation highlights the impending monsoon season, where days filled with rain become increasingly common, setting the stage for a lush landscape in the months to follow.

April Precipitation Trends in That Phanom

The chart displays monthly precipitation patterns in That Phanom, 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 That Phanom, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4103667168191394351259156226
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in That Phanom

In April, That Phanom, Thailand experiences a notable dip in humidity, reaching 40%—the lowest point of the year. This decrease follows a gradual decline from 59% in January down to 45% in March, suggestive of the dry heat beginning to take hold as the transition to the harsh summer months approaches. However, the respite from humidity is short-lived, as levels surge again in May, jumping to 65% and foreshadowing the sweltering, humid days to come in the summer months of June through August, where humidity levels can soar to over 90%. Thus, April stands out as a unique time in the year, offering a brief but welcome break from the intense tropical moisture that characterizes the following months.

April Average Humidity in That Phanom

This chart illustrates the average monthly humidity levels in That Phanom, 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 That Phanom 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 That Phanom

April in That Phanom, Thailand, marks a peak in sun intensity, with a UV Index soaring to 15—classified as extreme. As temperatures rise and the sun shines more directly overhead, residents and visitors alike should take note of the short burn time of just 10 minutes. This trend continues from March's UV Index of 14, indicating that the region experiences consistently high levels of solar radiation throughout the early months of the year. While May shows a slight decrease to 14, the extreme exposure levels remain a constant reminder of the need for sun protection. For those planning outdoor activities, staying informed is crucial—check out the detailed forecast at That Phanom UV Index.

Maximum UV Index Levels in That Phanom for April

The chart shows the monthly maximum UV Index (UVI) for That Phanom 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 That Phanom typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121415141315141412109
Data source: That Phanom 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 That Phanom

April in That Phanom, Thailand, offers a delightful blend of warmth and sunshine, boasting around 315 hours of sunshine. This month continues the upward trend established in the earlier part of the year, with a significant jump from January's 257 hours to March's peak of 322 hours. Following the sun-soaked days of April, May maintains this radiant energy with 305 hours. However, as summer gives way to the monsoon season, June experiences a dip to 280 hours. This transitional period highlights how That Phanom's weather evolves, showcasing a beautiful tapestry of sunny days that's perfect for exploring the region's rich culture and breathtaking landscapes.

Monthly Sunshine Duration in That Phanom: April Highlighted

The April sunshine duration represents the total number of hours That Phanom 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.
JanFebMarAprMayJunJulAugSepOctNovDec257h295h322h315h305h280h254h226h274h283h298h311h
Data source: That Phanom April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in That Phanom During April

As spring unfolds in That Phanom, Thailand, April brings a noticeable shift in weather patterns, with a 38% chance of sunny days—a significant drop from the preceding months. This decrease follows March's 68% likelihood of sunshine, highlighting a trend where the early part of the year tends to offer more reliable sunlight. By the time April arrives, the brighter days of January and February, with their impressive chances of 80% and 84% respectively, feel like a distant memory. As the region heads into the hotter months, the chances for sunny weather continue to diminish, evident in May's 41% and then plummeting further into the summer with percentages between 15-41%. Therefore, while April retains some potential for sun-soaked moments, it's wise for visitors to prepare for varying weather conditions as the month progresses.

Percentage of Sunny Days in April in That Phanom

The chart illustrates the percentage of sunny days in That Phanom 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 That Phanom experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%68%38%41%18%16%15%18%26%57%73%
Data source: That Phanom April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in That Phanom in April

In April, residents of That Phanom, Thailand, can enjoy a generous 12 hours of daylight, mirroring the previous month of March. This trend of extended daylight begins in earnest during the dry season, as the region transitions from the cooler months of January and February, both offering only 11 hours of sun. As the year progresses towards the peak of summer in June and July, daylight gradually extends, reaching an impressive 13 hours, before settling back to 12 hours in the late summer and early autumn months. This gradual increase not only enhances outdoor activities but also marks a vibrant transition towards the lush greenery and warmth typical of Thailand's tropical climate during this time of year.

Average Daylight Hours in That Phanom for April

The chart illustrates the variation in daylight duration in That Phanom throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 13m11h 34m12h 2m12h 30m12h 54m13h 6m13h12h 39m12h 12m11h 44m11h 19m11h 7m
Data source: That Phanom daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in That Phanom

As April arrives in That Phanom, Thailand, the wind takes on a gentle whisper, with an average speed of just 2.0 m/s (4 mph). This marks a notable decline from the breezy beginnings of the year, as winter months saw stronger winds reaching up to 3.5 m/s in December. The trend continues into May, where the air remains calm at 1.7 m/s (4 mph). This period of quieter winds in early spring contrasts with the more dynamic breezes of the preceding months, suggesting a serene shift as the region transitions from the cooler season into the warmer days ahead. Interestingly, while April offers a moment of calm, the wind speeds begin to climb again in June, hinting at the impending summer's energy.

Average April Wind Speed in That Phanom

The chart displays monthly wind speed patterns in That Phanom, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.92.52.0 m/s1.72.62.42.31.72.23.13.5
Data source: That Phanom April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in That Phanom Compares to Other Months

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

When comparing the weather in April and January, one can observe significant differences in temperature and humidity. April experiences much warmer temperatures, with a minimum of 16°C (61°F) and averages soaring to 28°C (84°F), reaching highs of 40°C (104°F). In contrast, January has cooler temperatures, with a minimum of 9°C (48°F) and an average of 23°C (74°F), peaking at 35°C (95°F). Additionally, April has a higher rainfall of 67 mm (2.6 in) over about 10 days, while January sees minimal precipitation of just 4 mm (0.1 in) on a single day. The humidity levels also vary, with January being more humid at 59% compared to April’s 40%. For more details on January weather patterns, you can check That Phanom weather in January.

When comparing the weather between February and April, notable differences emerge. February experiences slightly cooler temperatures, with a minimum of 12°C (53°F) and an average of 24°C (75°F). In contrast, April heats up significantly with temperatures ranging from a minimum of 16°C (61°F) to an average of 28°C (84°F), and reaching a maximum of 40°C (104°F). Additionally, April sees more precipitation, totaling 67 mm (2.6 in) over 10 days, while February is much drier, receiving only 10 mm (0.4 in) on just 1 day. The humidity levels also differ, being higher in February at 54%, compared to 40% in April. For more details on February weather, you can visit That Phanom weather in February.

In comparing the weather between March and April, April tends to be warmer, with average temperatures rising to 28°C (84°F) and maximums reaching 40°C (104°F), compared to March, where the average is slightly lower at 27°C (81°F) with a maximum of 38°C (101°F). Additionally, April experiences more precipitation, totaling 67 mm (2.6 in) over 10 days, while March sees only 36 mm (1.4 in) across 6 days. Humidity levels also shift slightly, with April at 40% and March slightly higher at 45%. For more detailed weather insights, you can check That Phanom weather in March.

April and May offer distinct weather patterns, with May experiencing slightly warmer temperatures and significantly higher humidity. In April, the minimum temperature hovers around 16°C (61°F), averaging 28°C (84°F) and reaching a maximum of 40°C (104°F). The month has relatively low precipitation at 67 mm (2.6 in) over 10 days, with humidity resting at 40%. In contrast, May sees a minimum temperature of 17°C (62°F), an average of 29°C (84°F), and a maximum of 39°C (103°F). The precipitation jumps to 168 mm (6.6 in) over 20 days, accompanied by increased humidity at 65%. For more detailed information about weather conditions, you can check That Phanom weather in May.

April and June present notable differences in weather conditions. In April, temperatures range from a minimum of 16°C (61°F) to a maximum of 40°C (104°F), with an average of 28°C (84°F). The month sees about 67 mm (2.6 in) of precipitation over 10 days, accompanied by a humidity level of 40%. In contrast, June tends to be warmer in the early mornings with a minimum temperature of 24°C (75°F) and a slightly lower maximum of 37°C (98°F), while maintaining the same average of 29°C (84°F). However, June experiences significantly higher precipitation at 191 mm (7.5 in) over 23 days and a much higher humidity level at 82%. For further details on June's weather, visit That Phanom weather in June.

In April, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 40°C (104°F), resulting in an average of 28°C (84°F). The month sees relatively low precipitation, totaling 67 mm (2.6 in) over about 10 days, and humidity levels are moderate at 40%. In contrast, July experiences a more humid climate with significantly higher rainfall of 394 mm (15.5 in) spread over 26 days, combined with higher minimum temperatures of 24°C (75°F). Despite a slightly lower maximum temperature of 36°C (97°F), the average remains similar at 28°C (83°F), making July feel considerably more humid and wet. For more detailed weather information, visit That Phanom weather in July.

April and August present a striking contrast in weather conditions. In April, temperatures range from a minimum of 16°C (61°F) to a scorching maximum of 40°C (104°F), with an average temperature of 28°C (84°F). The month experiences moderate rainfall of 67 mm (2.6 in) over about 10 days, with a relatively low humidity level of 40%. In contrast, August brings a milder temperature range, with minimums of 22°C (72°F) and a maximum of 35°C (95°F), while maintaining the same average temperature of 28°C (82°F). However, the August weather is characterized by significantly heavier rainfall, totaling 351 mm (13.8 in) across 28 days, coupled with high humidity levels reaching 92%. For more detailed insights into August weather, you can check That Phanom weather in August.

April and September exhibit distinct weather patterns, reflecting the transition between different seasons. In April, temperatures range from a minimum of 16°C (61°F) to a scorching maximum of 40°C (104°F), with an average of 28°C (84°F). The month sees a moderate level of precipitation, totaling 67 mm (2.6 in) over about 10 days, alongside a relatively low humidity of 40%. In contrast, September experiences milder temperatures, with a minimum of 22°C (72°F) and a maximum of 35°C (95°F), maintaining the same average of 28°C (82°F). However, it is significantly wetter, with precipitation reaching 259 mm (10.2 in) across 24 days, and humidity soaring to 86%. For more detailed information on the weather in September, you can visit That Phanom weather in September.

In comparing the weather of April and October, there are notable differences in temperatures and humidity levels. April typically sees warmer conditions, with average temperatures reaching up to 28°C (84°F) and extreme highs of 40°C (104°F). In contrast, October is cooler, with average temperatures around 27°C (80°F) and maximums peaking at 35°C (96°F).

However, October experiences significantly higher humidity levels at 80%, compared to April's 40%, which can make the weather feel more oppressive. Additionally, October has more rainfall, with 156 mm (6.1 in) of precipitation spread over 13 days, whereas April receives only 67 mm (2.6 in) across 10 days. For more detailed insights on October weather, you can visit That Phanom weather in October.

April and November present distinct contrasts in weather patterns. In April, temperatures soar with an average of 28°C (84°F) and can peak at a scorching 40°C (104°F), accompanied by a relatively low humidity of 40%. This month also experiences considerable rainfall, with about 67 mm (2.6 in) spread over 10 days, indicating a transition towards the rainy season. In contrast, November offers a cooler average temperature of 25°C (78°F) and a maximum of 36°C (97°F). The humidity notably increases to 72%, but precipitation is significantly lower at just 22 mm (0.9 in) over 3 days, allowing for more sunshine and less rain. For more details on November weather in this region, visit That Phanom weather in November.

April and December present striking contrasts in weather conditions. In April, temperatures soar from a minimum of 16°C (61°F) to a scorching maximum of 40°C (104°F), with an average of 28°C (84°F). The month also sees considerable rainfall, with 67 mm (2.6 in) spread over about 10 days, while humidity remains relatively low at 40%. In contrast, December features milder temperatures, with a minimum of 10°C (50°F) and a maximum of 35°C (95°F), leading to a cooler average of 23°C (73°F). Moreover, December experiences significantly less precipitation, totaling just 6 mm (0.2 in) over approximately one day, but humidity is much higher at 66%. For more insights into the December climate, visit That Phanom weather in December.

Compare That Phanom's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in That Phanom

April in That Phanom brings a noticeable shift in weather patterns, characterized by soaring temperatures and increased humidity compared to previous months. With the mercury climbing to a maximum of 40°C (104°F), the heat is palpable, overshadowing the milder conditions of earlier spring. This month also sees a rise in precipitation, with 67 mm (2.6 in) accumulated over about 10 days, hinting at the impending rainy season. As the air becomes more humid, reaching around 40%, residents and visitors alike may feel the weight of the warmth and occasional rains. For a detailed overview of weather patterns throughout the year, check out That Phanom Climate.