Climate and monthly weather forecastHat Yai, Thailand
Hat Yai, Thailand - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. April is the month that records the highest temperatures in Hat Yai, Thailand, with averages ranging from a high of 34.6°C (94.3°F) to a low of 23.7°C (74.7°F). Despite this being a slightly cooler time of the year, the rainfall remains high in December at 268mm (10.55"), but reduces sharply to 54mm (2.13") in January.
Climate and monthly weather forecast
The climate of Hat Yai
Hat Yai, Thailand is a tropical city with a climate that falls under the category of an Am or "Tropical Monsoon" according to the Köppen-Geiger classification. This means the city experiences heavy rains during certain parts of the year, brought on by monsoons. The stagnant geographical position of the city ensures the climate remains relatively consistent throughout the year.The city experiences a warm climate all year round. Monthly average temperatures sporadically fluctuates throughout the year, with the highest temperatures from March to May, averaging between 34.2°C (93.6°F) and 34.6°C (94.3°F). The temperatures slightly dip, but remain warm, from June to February with average temperatures staying between 29.7°C (85.5°F) and 33.5°C (92.3°F).
Relative humidity reflects steady percentages year-round, being most significant from October to December by 87% and 85% respectively. The least humidity is experienced during February and March with 77% and 76%. The stable tropical climate leads to this minor monthly variation in relative humidity.
The rainfall follows its distinct pattern. Months from May to December received considerably higher rainfall between 105mm (4.13") and 317mm (12.48"). This contrasts significantly with the rest of the year, where the months of January to April receives minimal rain varying from 24mm (0.94") to 75mm (2.95").
The best time to visit Hat Yai
The comparatively dry months from January to March would be the ideal time to visit Hat Yai. This is when the city experiences the least rainfall, with January and February receiving just 54mm (2.13") and 24mm (0.94") of precipitation respectively. Temperatures during this period are warm but not uncomfortably hot, ranging from 30.4°C (86.7°F) to 34.2°C (93.6°F). The UV index ranges from 11 in January to 12 in March, making sun protection essential.The worst time to visit Hat Yai
The wettest month in Hat Yai is generally November, with an average precipitation of 317mm (12.48"), and with the rain falling on an average of 21 days. This, coupled with high humidity levels of 87% and heat with temperatures touching an average high of 31.8°C (89.2°F), could lead to challenging conditions for visitors who are not used to this type of climate. Therefore, this period can be considered as the least optimal time to visit.Spring weather in Hat Yai
The spring season in Hat Yai, during March to May, could be a bit hotter compared to other times of the year. Temperature during these months hover between 33.8°C (92.8°F) and 34.6°C (94.3°F). Rainfall starts to increase gradually during this period, from 75mm (2.95") in March to 148mm (5.83") in May.Summer weather in Hat Yai
Contrary to the typical expectations of summer, the months of June to August in Hat Yai are characterized by regular precipitation. This is also accompanied by temperatures that range from 33.1°C (91.6°F) and 33.5°C (92.3°F). With rainfall ranging from 105mm (4.13") to 119mm (4.69") and humidity around 79%-80%, these months are tropical rather than typically summer-like.Autumn weather in Hat Yai
Autumn, from September to November, is the rainiest season in Hat Yai. Rainfall reaches its peak at 317mm (12.48") in November. Average high temperatures during these months are comfortably warm, ranging from 31.8°C (89.2°F) to 33.1°C (91.6°F).Winter weather in Hat Yai
The winter season in Hat Yai, from December to February, is warm with temperatures ranging between 29.7°C (85.5°F) and 32.7°C (90.9°F). Relative humidity is at its highest during this season at 85%. Despite this being a slightly cooler time of the year, the rainfall remains high in December at 268mm (10.55"), but reduces sharply to 54mm (2.13") in January.Weather in January
January heralds a respite from the tropical heat in Hat Yai, Thailand, with temperatures sinking to the lively lows of 22°C (71.6°F). This cool weather encourages outdoor activities throughout the day and night. The slight contraction in daylight hours makes for mauve evenings, inviting early retreats indoors. Weather in January »Weather in February
The city of Hat Yai enters February with temperatures that remain stable compared to the preceding month. The hushed whispers of winter gradually grow fainter as the month progresses. Short-lived drizzles, a stark contrast to January's downpours, provide the city's flora with a soothing bath. Weather in February »Weather in March
March in Hat Yai brings a seismic shift in the weather patterns, as the city witnesses a surge in temperatures and rainfall. The coolness of winter is swiftly replaced with a humid heat wave, making the joys of the previous months a ghost of the past. Weather in March »Weather in April
Hat Yai in April continues the weather trajectory established in March, with rising temperatures and increased precipitation. The prolonged daylight hours intensify the heat, casting a hot haze over the city. While seeking relief from the heat, visiting beaches or water bodies emerge as prevailing recreational activities. Weather in April »Weather in May
May's commencement in Hat Yai is characterized by a slight tapering of the scalding streak from the previous months. A pronounced increase in humidity blankets the cityscape, giving rise to the shimmering mirage effect known to tropical climates. Weather in May »Weather in June
As the year reaches its midpoint in June, Hat Yai experiences weather patterns that closely adhere to those witnessed in May. The heat persists, but its severity is subdued due to a minimal dip in the daytime temperature. A reduction in rain from the May highs breathes ease into daily routines, with decreased disruptions due to weather conditions. Weather in June »Weather in July
July brings Hat Yai into the full throes of summer with temperatures maintaining their consistent high from June, providing a constant tropical atmosphere. This continuity of climate conditions supports the sustained growth of the region's tropical vegetation. Weather in July »Weather in August
Hat Yai steps into August, sustaining the weather conditions observed throughout the summer. The monotonous march of heat and humidity continues, creating a seamless blanket of scorching air and steam. The vegetation of Hat Yai reaches its lush peak during August, generously coating the cityscape in a vibrant green hue. Weather in August »Weather in September
In September, Hat Yai experiences a minor retreat in temperatures, providing some relief to the scorching summer heat. Humidity levels increase, resulting in more moisture-rich air that revitalizes one's skin. The extended daylight hours provide ample opportunity for day trips or long indoor siestas. Weather in September »Weather in October
October in Hat Yai marks a pronounced shift in the weather tendencies of the preceding months, with a steady sequence of cooling temperatures and heavy rainfall. Hat Yai's wilderness dons a resplendent garb of fresh greens and blossoming flora, narrating visual tales of wildlife bounty. Weather in October »Weather in November
November arrives in Hat Yai, ushering in pronounced weather changes, with temperatures continuing to fall, matching the cascade of extensive rainfall. Adorned with lush greenery refreshed by the October deluge, the city takes on a more vibrant color palette. Weather in November »Weather in December
December in Hat Yai embraces the climax of the year's weather cycle, with a remarkable dip in temperature and reduction in rainfall. The cityscape undergoes a bold transformation as it ushers in the new year under soothing temperatures and a glistening solar spectacle caused by the distinctive December sunshine. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hat Yai, Thailand
The warmest month (with the highest average high temperature) is April (34.6°C).
The month with the lowest average high temperature is December (29.7°C).
The month with the highest average low temperature is May (24°C).
The coldest month (with the lowest average low temperature) is January (22°C).
Average humidity
Hat Yai, Thailand
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is March (76%).
Average rainfall
Hat Yai, Thailand
- Average rainfall in January:
53.8mm - Average rainfall in February:
24.4mm - Average rainfall in March:
75.1mm - Average rainfall in April:
118.6mm - Average rainfall in May:
147.7mm - Average rainfall in June:
119.3mm
- Average rainfall in July:
104.5mm - Average rainfall in August:
113mm - Average rainfall in September:
157.3mm - Average rainfall in October:
227.8mm - Average rainfall in November:
317.1mm - Average rainfall in December:
267.7mm
The wettest month (with the highest rainfall) is November (317.1mm).
The driest month (with the least rainfall) is February (24.4mm).
Average rainfall days
Hat Yai, Thailand
- Average rainfall days in January:
7 days - Average rainfall days in February:
3 days - Average rainfall days in March:
5 days - Average rainfall days in April:
11 days - Average rainfall days in May:
16 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
14 days - Average rainfall days in September:
18 days - Average rainfall days in October:
21 days - Average rainfall days in November:
21 days - Average rainfall days in December:
18 days
The months with the highest number of rainy days are October and November (21 days).
The month with the least rainy days is February (3 days).
Average daylight / Average sunshine
Hat Yai, Thailand
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 30min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 48min - Average daylight in December:
11h and 42min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
The month with the most sunshine is February (Average sunshine: 9h).
The months with the least sunshine are June, August, September, October, November and December (Average sunshine: 6h).
Average UV index
Hat Yai, Thailand
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are January, November and December (UV index 11).





