Last updated: August 27, 2025
In January, Phra Nakhon Si Ayutthaya, Thailand experiences warm and pleasant weather, with a maximum temperature soaring up to 36°C (96°F) and an average of 27°C (81°F), creating a comfortable atmosphere for exploration. The minimum temperature dips to 16°C (61°F), offering cooler evenings. Rainfall is minimal, with an average precipitation of 17 mm (0.7 in) across just 3 days, and humidity levels hover around 50%, contributing to a dry yet refreshing climate. This ideal weather invites visitors to immerse themselves in the historical richness of this UNESCO World Heritage Site.
In Phra Nakhon Si Ayutthaya, January welcomes visitors with a refreshing climate, featuring a comfortable average temperature of 27°C (81°F). The month typically starts with cool mornings at a minimum of 16°C (61°F), gradually warming up to a sunny maximum of 36°C (96°F). As the month progresses, the temperatures trend upwards, with February’s slight increase in both minimum and maximum, reaching up to 37°C (98°F). This pattern of rising temperatures continues into the hotter months of March and April, where highs can soar to 39°C (102°F) and an intense 40°C (104°F) respectively. Overall, January serves as a pleasant prelude to the hotter dry season, offering a delightful opportunity to explore the historical treasures of Ayutthaya comfortably.
In January, Phra Nakhon Si Ayutthaya experiences a modest precipitation of just 17 mm (0.7 in) over the course of approximately 3 days. This light rainfall marks the beginning of the year, setting the stage for the subsequent months as precipitation steadily increases. By March, the total climbs to 47 mm (1.8 in), and by April, it surges to 100 mm (4.0 in), heralding the beginning of the wet season. Notably, the month of September sees the highest rainfall, with a staggering 279 mm (11.0 in), illustrating a dramatic seasonal shift. As the year progresses, the number of rainy days multiplies, peaking in the summer months of July and August, further emphasizing the region's transition from a relatively dry start to a lush, wet climax. Overall, January serves as a gentle precursor to the vibrant and often intense rain patterns that characterize Phra Nakhon Si Ayutthaya's climate throughout the year.
In January, Phra Nakhon Si Ayutthaya experiences a refreshing humidity level of 50%, striking a balance that makes the cooler temperatures feel pleasant. As we transition into February, the humidity dips slightly to 47%, providing a brief respite before it begins to rise again in the warmer months. By March, it settles at 41%, reaching its lowest point of the year. However, with the onset of April, humidity begins to climb to 51%, foreshadowing the steamy conditions that follow. The summer months of May through August see a dramatic increase, peaking at 85% in August, making the air thick and heavy. Even as temperatures cool off in September and October, humidity remains elevated, with 88% and 79% respectively, creating a languid atmosphere. By the end of the year, humidity starts to taper off as November and December bring levels down to 68% and 59%. This fluctuation highlights the region's tropical climate, where humidity plays a crucial role in shaping the seasonal experience.
In January, Phra Nakhon Si Ayutthaya experiences a UV Index of 9, signaling a very high exposure risk, with a burn time of just 15 minutes. As the months progress, the UV Index escalates significantly, reaching extremes between 12 and 14 from February through August, where the burn time notably decreases to just 10 minutes. This trend highlights a critical window for protection, particularly as the index remains at extreme levels for almost all of the year, only dipping back to very high in November and December. With such relentless UV intensity, it’s essential to stay vigilant. For more insights on managing your sun exposure effectively, visit Phra Nakhon Si Ayutthaya UV Index.
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In January, Phra Nakhon Si Ayutthaya basks in a generous 251 hours of sunshine, setting the stage for a warm and welcoming start to the year. As the months progress, the sun shines brighter, peaking in March with an impressive 333 hours. This vibrant trend gradually eases into April and May, where sunny days remain plentiful, each boasting around 320 hours. However, as the rainy season approaches, the daylight hours see a slight dip, with July and August registering fewer sunny days. By the end of the year, the sun returns to grace the city once more, with December concluding with a robust 315 hours. Overall, Ayutthaya's sunlight patterns reflect a harmonious balance of bright beginnings and tranquil transitions throughout the year.
In Phra Nakhon Si Ayutthaya, Thailand, January enjoys a promising 59% chance of sunny weather, making it a favorable time for outdoor activities and exploration. As the year progresses, the likelihood of sunshine peaks in February at 79%, before dipping to 53% in March. The sunny days become scarcer in the sweltering heat of April, dropping to just 18%, and further declining into the rainy season with June and July seeing minimal sunshine, around 16% and 10% respectively. Interestingly, the return of clearer skies reemerges in December, with a 66% chance of sun, hinting at a pattern where early and late months bring brighter weather. Overall, if you're seeking a sunny escape, January is an ideal choice to kick off the year in this historic city.
In Phra Nakhon Si Ayutthaya, Thailand, January marks the beginning of the year with a consistent 11 hours of daylight, a pattern that continues through February. As the days stretch into March, the sunlight gradually extends to 12 hours, reaching a comforting equilibrium that lasts until October. This steady duration of daylight creates a rhythm that characterizes the region’s climate, fostering a vibrant atmosphere. Following this peak period of sunlight, daylight begins to recede again in October, returning to 11 hours by the end of the year. Such a trend highlights the region's delightful blend of brightness and warmth, perfect for immersing in its historical and cultural riches.
In January, the winds in Phra Nakhon Si Ayutthaya embrace a gentle rhythm, with an average speed of 2.2 m/s (5 mph). This sets the tone for the month, ushering in cooler breezes that are perfect for exploring the historical sites. As the seasons shift to February, the wind slightly calms, dropping to 2.1 m/s (5 mph), yet maintains its pleasant touch. By March, we notice a subtle increase to 2.6 m/s (6 mph), hinting at the approaching warmth of spring. However, as April arrives, the winds soften again to 1.8 m/s (4 mph), leading into the hotter months ahead. This pattern continues, with winds fluctuating throughout the year, demonstrating seasonal dynamics that reflect the region's unique climate. Notably, during the rainy season, particularly in June, winds pick up to 3.0 m/s (7 mph), bringing a refreshing contrast to the humid heat, before settling down again as the year draws to a close. Overall, January’s gentle breezes mark the start of a varied wind journey throughout the year, inviting both locals and visitors to enjoy the serene atmosphere of this historic city.
Weather in Phra Nakhon Si Ayutthaya varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Phra Nakhon Si Ayutthaya, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather in Phra Nakhon Si Ayutthaya typically features a minimum temperature of 16°C (61°F) and averages around 27°C (81°F), with a maximum reaching 36°C (96°F). The month receives about 17 mm (0.7 in) of precipitation over three days, while humidity levels hover around 50%. In comparison, February is slightly warmer, with minimum temperatures rising to 18°C (65°F) and an average of 28°C (83°F), peaking at 37°C (98°F). Precipitation decreases to 12 mm (0.5 in), also spread over three days, and humidity drops slightly to 47%. For more detailed insights, you can check Phra Nakhon Si Ayutthaya weather in February.
In January, the weather in Phra Nakhon Si Ayutthaya features milder temperatures, with a minimum of 16°C (61°F) and an average of 27°C (81°F), reaching a maximum of 36°C (96°F). The month experiences light precipitation, totaling 17 mm (0.7 in) over three days, and maintains a humidity level of 50%. In contrast, March brings warmer conditions, with a minimum of 23°C (73°F), an average temperature of 30°C (86°F), and a peak of 39°C (102°F). Precipitation significantly increases to 47 mm (1.8 in) over five days, while humidity decreases to 41%. For more detailed information, you can visit Phra Nakhon Si Ayutthaya weather in March.
The weather in January features generally warm temperatures, with averages around 27°C (81°F) and a maximum of 36°C (96°F), along with relatively low precipitation of 17 mm (0.7 in) over just three days. In contrast, April sees an increase in warmth, with average temperatures rising to 31°C (87°F) and reaching highs of 40°C (104°F). However, April is also much wetter, recording 100 mm (4.0 in) of rain spread over 15 days, bringing a higher humidity level of 51%. For a more detailed look at the weather conditions during this month, you can refer to Phra Nakhon Si Ayutthaya weather in April.
In January, the weather in Phra Nakhon Si Ayutthaya is generally mild and relatively dry, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (96°F) and an average of 27°C (81°F). The precipitation level is low at 17 mm (0.7 in), occurring over just 3 days, resulting in a humidity level of 50%. In contrast, May experiences much warmer temperatures, with a minimum of 23°C (74°F), an average of 30°C (87°F), and a soaring maximum of 40°C (104°F). Additionally, May is significantly wetter, receiving 166 mm (6.5 in) of rainfall over 21 days, leading to a high humidity of 76%. For a detailed look at what to expect, check out Phra Nakhon Si Ayutthaya weather in May.
When comparing the weather of January and June, there is a noticeable shift in temperature and precipitation. January boasts a milder climate with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), along with relatively low humidity at 50% and only 17 mm of precipitation across just 3 days. In contrast, June experiences much warmer conditions, with minimum temperatures starting at 25°C (77°F) and peak temperatures reaching up to 39°C (102°F). The month is characterized by high humidity at 83% and a significant increase in rainfall, totaling 135 mm over 22 days. This dramatic change highlights the transition from the drier winter months to the more humid, rainy conditions of mid-year. For more details, check out Phra Nakhon Si Ayutthaya weather in June.
In comparing the weather between January and July, we see distinct differences in temperature and precipitation patterns. January boasts a range of temperatures from a mild 16°C (61°F) at night to a warm 36°C (96°F) during the day, with an average of 27°C (81°F). This month experiences low precipitation, with only 17 mm (0.7 in) recorded over about three days, resulting in a comfortable humidity level of around 50%.
In contrast, July is considerably warmer, with temperatures ranging from a minimum of 25°C (77°F) at night to a scorching 38°C (101°F) during the day, averaging 29°C (85°F). This month also sees a dramatic increase in rainfall, totaling 179 mm (7.1 in) over 26 days, which raises the humidity to a muggy 80%. For a more detailed look at the weather during this month, you can visit Phra Nakhon Si Ayutthaya weather in July.
January weather features a comfortable range of temperatures, with a minimum of 16°C (61°F) and a maximum of 36°C (96°F), making it a pleasant time of year with relatively low humidity at 50%. Precipitation is minimal, averaging just 17 mm (0.7 in) over three days. In contrast, August brings significantly warmer temperatures, with nightly lows of 24°C (76°F) and highs reaching 38°C (101°F). However, it is also characterized by high humidity at 85% and substantial rainfall, totaling 194 mm (7.6 in) spread across 25 days. This stark difference in weather patterns highlights the shift from a dry, warm January to a hot, humid August. For more detailed information, visit Phra Nakhon Si Ayutthaya weather in August.
In January, the weather is relatively warm and dry, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), and only 17 mm (0.7 in) of precipitation over three days. This month boasts a moderate humidity level of 50%, making it quite comfortable for outdoor activities. In contrast, September experiences much warmer and more humid conditions, with temperatures peaking at 37°C (98°F) and a significant increase in rainfall totaling 279 mm (11.0 in) over 25 days. The humidity rises dramatically to 88%, resulting in a steamy climate that can feel quite oppressive. For more details on September conditions, visit Phra Nakhon Si Ayutthaya weather in September.
In January, the weather is relatively warm with temperatures ranging from a mild 16°C (61°F) to a maximum of 36°C (96°F), along with low humidity at around 50%. Rainfall is minimal, with just 17 mm (0.7 in) occurring over only 3 days. In contrast, October brings significantly higher rainfall, totaling 212 mm (8.4 in) over 19 days, and a notable increase in humidity to 79%. The temperatures are also warmer in October, ranging from a minimum of 22°C (71°F) to a maximum of 37°C (99°F). For more detailed information on the October weather, you can visit Phra Nakhon Si Ayutthaya weather in October.
In January, the weather features a warmer average temperature, with a minimum of 16°C (61°F) and a maximum of 36°C (96°F), while November sees slightly higher minimum temperatures at 21°C (70°F). Despite both months reaching the same maximum temperature of 36°C (97°F), November experiences significantly more precipitation, totaling 50 mm (2.0 in) over 8 days compared to January's 17 mm (0.7 in) over just 3 days. Additionally, humidity is higher in November at 68%, versus January's 50%. For a more detailed look at November's weather, you can visit Phra Nakhon Si Ayutthaya weather in November.
In comparing the weather between January and December, both months exhibit similar average temperatures, with January having a minimum of 16°C (61°F) and December at 15°C (60°F). The average temperature remains constant at 27°C (81°F) across both months, while the maximum temperatures are closely aligned, hitting 36°C (96°F) in January and slightly higher at 36°C (97°F) in December. Precipitation levels are also comparable, with January receiving 17 mm (0.7 in) and December just a tad more at 18 mm (0.7 in), both spanning three rainy days. However, December shows increased humidity at 59%, compared to January's 50%. For more detailed insights on December weather, you can refer to Phra Nakhon Si Ayutthaya weather in December.
In January, Phra Nakhon Si Ayutthaya enjoys a delightful reprieve from the heat, with average temperatures hovering around a comfortable 27°C (81°F). This month stands out with significantly lower humidity levels compared to the sweltering summer months, creating a more enjoyable atmosphere for residents and visitors alike. While there's a slight chance of rain, with about 3 days of precipitation totaling 17 mm, the weather remains mostly dry, allowing for ample opportunities to explore the rich historical sites. January truly offers a refreshing contrast to the more humid and rainier seasons, making it an ideal time to experience the charm of this ancient city. For a deeper dive into what to expect year-round, visit Phra Nakhon Si Ayutthaya Climate.