Last updated: August 27, 2025
April in Bangkok, Thailand heralds the onset of the hot season, with maximum temperatures soaring up to 38°C (100°F). The average temperature hovers around 30°C (87°F), while the minimum temperature seldom drops below 21°C (70°F), creating a warm atmosphere. This month also brings about significant precipitation, with 107 mm (4.2 in) of rain spread over approximately 12 days. Humidity levels reach a notable 70%, making it essential for visitors and locals alike to stay hydrated and seek respite from the heat during this vibrant and bustling month in the heart of Thailand.
In April, Bangkok experiences a notable transition as temperatures rise, with minimums averaging around 21°C (70°F) and averages maintaining a steady 30°C (87°F). The city reaches its peak with maximums soaring to 38°C (100°F), marking it as one of the hottest months of the year. This upward trend in warmth continues from the previous month, March, which saw a max of 37°C (99°F). With humidity on the rise, visitors should be prepared for the heat and embrace the vibrant atmosphere that April brings to Thailand's bustling capital. As spring evolves, the sun shines brightly, inviting both locals and tourists to enjoy outdoor adventures while staying cool and hydrated.
April marks a significant turning point in Bangkok's precipitation patterns, as the city experiences a dramatic increase in rainfall compared to the preceding months. With 107 mm (4.2 in) of rain falling over 12 days, April serves as a precursor to the heavier monsoon season ahead. This uptick from just 44 mm (1.7 in) in March highlights the transition toward more sustained rainfall, setting the stage for May, which typically brings even higher totals. As temperatures rise, the frequency and intensity of showers increase, providing much-needed relief from the heat and signaling the onset of the wet season.
In April, Bangkok experiences a noticeable uptick in humidity, reaching an average of 70%. This marks a shift from the relatively comfortable conditions of earlier months, with January and February boasting lower humidity levels of 59% and 58%, respectively. As spring unfolds, the city transitions into a more humid state, setting the stage for the sweltering summer months ahead. Following April, humidity levels rise sharply, peaking in the summer with May reaching 80% and continuing to escalate through August at a staggering 88%. This upward trend underscores Bangkok's tropical climate, as residents and visitors alike prepare for increasingly muggy conditions in the coming months.
April in Bangkok brings a notable UV Index of 13, categorizing exposure as extreme and resulting in a burn time of just 10 minutes. This month marks a slight dip from the peak in March with its UV Index of 14, yet it still underscores the urgent need for sun protection. With UV levels remaining consistently high throughout the spring, extending from February to May, it's crucial for both residents and visitors to remain vigilant against the sun's harmful rays. As temperatures rise and the sun becomes more potent, planning outdoor activities with proper precautions is essential. For more detailed information, check out the comprehensive guide at Bangkok UV Index.
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As April unfolds in Bangkok, the city revels in 322 hours of vibrant sunshine, a delightful continuation of the bright trend seen in the preceding months. After the steady increase from 251 hours in January to a peak of 336 hours in March, April’s sunshine still keeps spirits high, just shy of the March peak. The warmth and light continue into May, where the hours dip slightly but remain competitive at 321 hours. This sunny spell in the Thai capital not only highlights the region's tropical allure but also invites residents and visitors alike to embrace the outdoors, whether strolling by the river or exploring bustling markets, all under the enchanting glow of Bangkok's April sun.
As April rolls into Bangkok, the likelihood of enjoying sunny weather takes a noticeable dip, with only an 18% chance of sunshine. This dramatic reduction contrasts sharply with the sunnier months prior, such as February, which boasts a remarkable 76% chance of clear skies. Following the bright days of January and February, the city experiences a shift as the rainy season approaches, leading to progressively lower chances of sunlight in the months that follow. By comparison, May's 33% chance offers a slight rebound, but overall, April stands out as a month where the sun plays a rare role, marking a transition toward the more overcast days of summer.
As the tropical sun bathes Bangkok in warmth, April showcases a consistent 12 hours of daylight, mirroring the trend set in March and continuing into May. This month signals the transition to the peak of the dry season, where daylight duration remains steady before the onset of the rainy months. Notably, daylight hours fluctuated at the beginning of the year, starting with 11 hours in January and February and slightly increasing to 12 hours in March. Following April, the pattern continues with sustained 12-hour days through mid-year, showcasing Bangkok's relatively consistent daylight throughout the seasons, which is perfect for exploring the vibrant city life and its stunning landscapes.
In April, the wind in Bangkok tends to be slightly calmer, with an average speed of just 1.9 m/s (4 mph), making it one of the lightest wind months of the year. This gentle breeze is a notable shift from the preceding month of March, which experiences a more robust average of 3.0 m/s (7 mph). Interestingly, as the city transitions into May, wind speeds regain momentum, returning to a steadier 2.4 m/s (5 mph). This pattern suggests that while April brings a brief lull, it is part of a broader trend where wind speeds fluctuate, peaking in the middle months and then stabilizing as the year progresses. Thus, April stands out as a gentle prelude to the more dynamic gusts that follow, inviting both locals and visitors to enjoy the warm, balmy days.
Weather in Bangkok varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Bangkok, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather of April and January, it's clear that April is significantly warmer and wetter. In April, temperatures reach a minimum of 21°C (70°F) and can soar to a maximum of 38°C (100°F), with an average around 30°C (87°F). In contrast, January offers cooler temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F), with an average of 27°C (81°F). Additionally, April sees much higher precipitation, with 107 mm (4.2 in) over 12 days, compared to only 29 mm (1.1 in) of rain on 3 days in January. The humidity levels also differ, with April at 70% versus January's 59%. For more specific details, you can check out Bangkok weather in January.
April's weather is characterized by higher temperatures and humidity levels compared to February. With minimum temperatures around 21°C (70°F) and maximums reaching up to 38°C (100°F), April often feels hotter, averaging 30°C (87°F). In contrast, February has a milder climate with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (96°F), averaging 28°C (82°F). Additionally, April experiences significantly more rainfall, with 107 mm (4.2 in) over 12 days, while February sees much less precipitation at only 14 mm (0.5 in) over just 3 days. This makes February a drier month with lower humidity at 58%, compared to April's more humid conditions at 70%. For those looking to explore more about Bangkok's February weather, check out Bangkok weather in February.
April's weather presents a slightly warmer atmosphere compared to March, with minimum temperatures averaging 21°C (70°F) and reaching a maximum of 38°C (100°F) against March's minimum of 22°C (72°F) and maximum of 37°C (99°F). While both months share a similar average temperature of around 30°C (86°F), April experiences significantly higher precipitation at 107 mm (4.2 in) over 12 days, in stark contrast to March's 44 mm (1.7 in) over just 5 days. Moreover, April also has a higher humidity level at 70%, compared to March's 61%, contributing to a more tropical feel. For more details on March's climate specifics, visit Bangkok weather in March.
In comparing the weather conditions of April and May, we observe a slight increase in temperature and humidity levels in May. April boasts a minimum temperature of 21°C (70°F) and a maximum of 38°C (100°F), while May records a warmer minimum of 23°C (74°F) and a peak of 40°C (103°F). Additionally, precipitation rises from 107 mm (4.2 in) over 12 days in April to 142 mm (5.6 in) across 19 days in May, contributing to a more humid environment with May's humidity averaging around 80% compared to April's 70%. For a more detailed look at what to expect, you can check Bangkok weather in May.
In April, the weather typically features a minimum temperature of 21°C (70°F) and can peak at a scorching 38°C (100°F), with an average temperature around 30°C (87°F). The month experiences significant rainfall, amounting to 107 mm (4.2 in) over approximately 12 days, resulting in a humidity level of about 70%. In contrast, June brings warmer minimum temperatures starting at 25°C (78°F) and slightly lower maximums at 37°C (99°F), with an average temperature of 30°C (86°F). Precipitation increases in June to 112 mm (4.4 in) spread over 22 days, contributing to a higher humidity level of 85%. For a closer look at the specifics, check out Bangkok weather in June.
April weather is characterized by warmer temperatures, with minimums around 21°C (70°F) and average highs reaching 30°C (87°F), while July sees slightly higher minimum temperatures of 25°C (78°F) and average highs at 29°C (85°F). In terms of precipitation, April receives about 107 mm (4.2 in) over 12 days, compared to July's wetter conditions with 159 mm (6.2 in) across 26 days, making July much rainier. Additionally, July has higher humidity levels at 86%, compared to April's 70%, creating a more humid atmosphere during the summer month. For more detailed insights into the weather in July, check out Bangkok weather in July.
April and August weather in Bangkok presents notable differences in temperature and precipitation patterns. In April, the temperatures range from a minimum of 21°C (70°F) to a maximum of 38°C (100°F), with an average temperature of 30°C (87°F) and 107 mm (4.2 in) of rainfall over approximately 12 days. In contrast, August typically sees a slightly higher minimum temperature of 25°C (77°F) and a similar maximum of 37°C (99°F), but with more consistent rainfall totaling 163 mm (6.4 in) spread across 23 days. Additionally, August tends to be more humid, averaging 88% humidity compared to April's 70%. For more detailed information on the weather specifics in August, you can refer to Bangkok weather in August.
In April, the weather is marked by high temperatures, with a minimum of 21°C (70°F) and an average of 30°C (87°F), reaching up to 38°C (100°F). While the month experiences significant warmth, it also brings a notable amount of precipitation, totaling 107 mm (4.2 in) over approximately 12 days, with humidity averaging around 70%.
In contrast, September sees slightly cooler overall temperatures, starting at a minimum of 24°C (76°F) and an average of 29°C (84°F), peaking at 36°C (97°F). However, it experiences considerably more rainfall, with 245 mm (9.6 in) spread across about 24 days and increased humidity at 87%. For those interested in a detailed look at September's weather, more information can be found at Bangkok weather in September.
April and October in Bangkok display notable differences in weather patterns. In April, temperatures range from a minimum of 21°C (70°F) to a maximum of 38°C (100°F), with an average temperature of around 30°C (87°F). The month also sees about 107 mm (4.2 in) of precipitation over 12 days, accompanied by a humidity level of 70%. In contrast, October brings slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 29°C (84°F), and a maximum of 35°C (96°F). However, October also experiences significantly higher rainfall, accumulating 250 mm (9.9 in) over 21 days, and a rise in humidity to 83%. For a detailed look at October's climate specifics, you can check out Bangkok weather in October.
In comparing the weather of April and November, April typically showcases warmer conditions, with average temperatures reaching up to 30°C (87°F) and maximums hitting 38°C (100°F). This month also sees higher rainfall, averaging 107 mm (4.2 in) over about 12 days, coupled with a humidity level around 70%. In contrast, November experiences slightly cooler temperatures, with an average of 28°C (83°F) and maximums of 35°C (95°F). Precipitation decreases to 61 mm (2.4 in) over about 9 days, and humidity rises to 78%, contributing to a more tropical feel. For more detailed insights on November weather, you can check Bangkok weather in November.
April and December present notable contrasts in weather, particularly in Bangkok. April typically experiences a much warmer climate, with average temperatures soaring up to 30°C (87°F) and maximums reaching 38°C (100°F). The month also sees significant rainfall, with 107 mm (4.2 in) over about 12 days, resulting in high humidity of 70%. In contrast, December offers a milder atmosphere, with average temperatures around 27°C (80°F) and maximums at 35°C (95°F), alongside minimal precipitation of just 24 mm (0.9 in) over only 2 days. Despite both months sharing the same humidity levels, the drop in temperature and precipitation makes December a more comfortable time to enjoy the city. For more details on December weather, visit Bangkok weather in December.
As April settles over Bangkok, the city experiences its warmest temperatures of the year, reaching up to 38°C (100°F), with an average of around 30°C (87°F). This marks a notable departure from the cooler months, bringing not only heat but also increased humidity levels hovering around 70%. Alongside the warmth, April sees a rise in precipitation, with about 107 mm (4.2 in) spread across 12 days, adding a touch of unpredictability to the otherwise sweltering days. For a deeper understanding of what the weather brings throughout the year, explore Bangkok Climate.