Climate and monthly weather forecastNakhon Ratchasima, Thailand
Climate and monthly weather forecast
The climate of Nakhon Ratchasima
Nakhon Ratchasima, a city located in the north-east region of Thailand, is predominantly influenced by the Tropical wet and dry or savanna climate, as per the Köppen climate classification. Throughout the year, the city exhibits significant variations in critical weather parameters including temperature, humidity, and rainfall.Temperature in Nakhon Ratchasima varies significantly from the cooler months in December and January, where it ranges from 18.5°C (65.3°F) to 29.3°C (84.7°F), to the warmer period of April with the mercury scale reaching as high as 36.5°C (97.7°F). A classic trait of the tropical savanna climate, the difference between the highest and lowest temperature throughout the year is only around 8°C (46.4°F). On the low end of the scale, the temperature hovers from 18.3°C (64.9°F) to 25.1°C (77.2°F), whereas at the high end, the range is from 29.3°C (84.7°F) to 36.5°C (97.7°F).
The region also experiences fairly high humidity throughout the year with an average of 70% relative humidity, increasing during the rainy season. The lowest levels are observed in the first quarter of the year, with 61% to 65% humidity, while the highest humidity levels occur from September to November with a relative humidity between 75% and 80%.
Rainfall in this region is significantly weighted towards the latter half of the year, a key attribute of the savanna climate. The rainiest period spans from May to October, with the peak in September at 228mm (8.98") precipitation over 19 days. In contrast, the lowest rainfall occurs from December to February, with the driest month being December, recording a minimal 3mm (0.12") of rainfall over a single day.
The best time to visit Nakhon Ratchasima
The most favorable period to visit Nakhon Ratchasima would be during the cooler dry season, from December through February. In these months, the average high temperature remains between 29.3°C (84.7°F) to 33.6°C (92.5°F) while the average low ranges from 18.3°C (64.9°F) to 21°C (69.8°F). The city receives minimal rainfall ranging from 3mm (0.12") to 16mm (0.63") over 1 to 2 days, making it an ideal time for outdoor activities.
The worst time to visit Nakhon Ratchasima
A period less recommended for visiting Nakhon Ratchasima is the rainy season, from May to October. The rainfall greatly intensifies with monthly averages from 105mm (4.13") to as high as 228mm (8.98") spread over 13 to 19 days. Alongside, high humidity levels often exceed 70%, which combined with average high temperatures ranging between 32.2°C (90°F) to 36.5°C (97.7°F), could be intense for unaccustomed tourists.
Spring weather in Nakhon Ratchasima
Spring, spanning from March to May, signifies the onset of the rainy season in Nakhon Ratchasima. The city registers high temperatures, peaking at 36.5°C (97.7°F) in May, with the lows still relatively warm ranging from 23.2°C (73.8°F) to 25°C (77°F). Rainfall begins to notably increase, especially in May with precipitation averaging 154mm (6.06") over 15 days.
Summer weather in Nakhon Ratchasima
Weather in January
Nakhon Ratchasima, Thailand, presents a pleasantly warm climate during January. As the first month of the year, it experiences gradually rising temperatures from the cooler winter days of December. A highlight is the moderation in rainfall with only 1 day of rain and a total of 8mm (0.31"). Weather in January »Weather in February
As the calendar moves on to February, the city of Nakhon Ratchasima enjoys commendably enjoyable and warm weather. The trend from January continues with temperatures elevating slightly with minimum recorded temperatures rising to 21°C (69.8°F). Weather in February »Weather in March
March brings a noticeable change to the city of Nakhon Ratchasima, as the mercury starts hitting heights of 35.6°C (96.1°F). Alongside this, the rise in humidity signals the onset of the pre-monsoon season. Rainfall also starts to increase but the city only experiences rainfall for about 5 days during the entirety of the month. Weather in March »Weather in April
April proves to be the warmest month for Nakhon Ratchasima, with temperatures touching a peak of 36.5°C (97.7°F). The weather is typically hot with an increase in humidity too, making it the onset of summer. Rainfall starts to become prominent with the city experiencing rain for 8 days. Weather in April »Weather in May
Moving on to May, the city of Nakhon Ratchasima shows signs of transition from summer to monsoon with a whopping 154mm (6.06") rainfall. Despite the elevated rainfall, temperatures remain fairly high signaling the blend of two seasons. Weather in May »Weather in June
June is a monsoon month in Nakhon Ratchasima, as is evident from the increased number of rainy days. However, the overall rainfall decreases to 105mm (4.13") compared to the last month. The lowering temperatures despite the high level of humidity indicate the monsoon effect. Weather in June »Weather in July
July sees a continuation of the monsoon season in Nakhon Ratchasima. Rainfall increases again, now to a total of 121mm (4.76") for the month, and the city experiences rain for about 15 days. Despite this, the temperatures remain remarkably consistent throughout the day. Weather in July »Weather in August
The month of August maintains the city's monsoon mood with an increase in overall rainfall, amounting to 157mm (6.18"). This alternation between sunny and rainy periods offers unique opportunities to experience the city in a different light. Weather in August »Weather in September
September sees the highest rainfall in Nakhon Ratchasima with an accumulated 228mm (8.98"). The persistent rainfall, combined with decreasing daylight, signals the end of the monsoon and the onset of autumn. The dip in temperatures combined with the high humidity level creates a distinctive feel of autumn. Weather in September »Weather in October
October in Nakhon Ratchasima signifies the end of the monsoons with a sharp decline in rainfall, reaching levels as low as 24mm (0.94"). As the city approaches the end of the year, the temperatures start descending into a more moderate range. Weather in October »Weather in November
November in Nakhon Ratchasima witnesses a significant drop in both rainfall and humidity signalling the arrival of the cold season. With consistent and relatively lower temperatures, the city experiences comfortable and less humid weather. Weather in November »Weather in December
December brings the coolest weather to Nakhon Ratchasima, with temperatures dipping down to 18.3°C (64.9°F) in the night. The decrease in daylight duration and the increase in sunshine hours signify the advent of winter. December sees the least rainfall all year, offering unobstructed outdoor activities. Weather in December »Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 111 rainfall days, and 1072mm (42.2") of precipitation is accumulated.
With an average of 9.2h of sunshine, January has the most sunshine of the year.
February through September, with an average maximum UV index of 12, are months with the highest UV index in Nakhon Ratchasima.
March is the least humid month, with an average relative humidity of 61%.
Nakhon Ratchasima's temperatures tend to reach their peak averages in April, with a high of 36.5°C (97.7°F) and a low of 24.9°C (76.8°F).
June has the longest days of the year in Nakhon Ratchasima, Thailand, with an average of 13h and 0min of daylight.
The most humid month is September, with an average relative humidity of 80%.
September is the month with the most rainfall. Rain falls for 19 days and accumulates 228mm (8.98") of precipitation.
With an average of 5.6h of sunshine, September has the least sunshine of the year.
In Nakhon Ratchasima, December records the average lowest temperatures, peaking at 29.3°C (84.7°F) and reaching a low of 18.3°C (64.9°F).
The month with the least rainfall in Nakhon Ratchasima is December, when the rain falls for 1 days and typically collects 3mm (0.12") of precipitation.
With an average of 11h and 18min of daylight, December has the shortest days of the year.
Nakhon Ratchasima does not observe Daylight Saving Time (DST). +07 timezone is used over the entire year.
The month with the lowest UV index is December, with an average maximum UV index of 9.
Average temperature
Nakhon Ratchasima, Thailand
The warmest month (with the highest average high temperature) is April (36.5°C).
The month with the lowest average high temperature is December (29.3°C).
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is December (18.3°C).
Average humidity
Nakhon Ratchasima, Thailand
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (61%).
Average rainfall
Nakhon Ratchasima, Thailand
- Average rainfall in January:
8.2mm - Average rainfall in February:
16.1mm - Average rainfall in March:
37.1mm - Average rainfall in April:
72.2mm - Average rainfall in May:
154.1mm - Average rainfall in June:
104.5mm
- Average rainfall in July:
120.9mm - Average rainfall in August:
157.2mm - Average rainfall in September:
228.3mm - Average rainfall in October:
146.3mm - Average rainfall in November:
23.9mm - Average rainfall in December:
2.7mm
The wettest month (with the highest rainfall) is September (228.3mm).
The driest month (with the least rainfall) is December (2.7mm).
Average rainfall days
Nakhon Ratchasima, Thailand
- Average rainfall days in January:
1 days - Average rainfall days in February:
2 days - Average rainfall days in March:
5 days - Average rainfall days in April:
8 days - Average rainfall days in May:
15 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
16 days - Average rainfall days in September:
19 days - Average rainfall days in October:
12 days - Average rainfall days in November:
4 days - Average rainfall days in December:
1 days
The month with the highest number of rainy days is September (19 days).
The months with the least rainy days are January and December (1 days).
Average daylight / Average sunshine
Nakhon Ratchasima, Thailand
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 48min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in January:
9h and 12min - Average sunshine in February:
8h and 48min - Average sunshine in March:
8h and 12min - Average sunshine in April:
8h and 18min - Average sunshine in May:
7h and 42min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
6h and 18min - Average sunshine in August:
6h and 0min - Average sunshine in September:
5h and 36min - Average sunshine in October:
7h and 30min - Average sunshine in November:
8h and 36min - Average sunshine in December:
9h and 6min
The month with the most sunshine is January (Average sunshine: 9h and 12min).
The month with the least sunshine is September (Average sunshine: 5h and 36min).
Average UV index
Nakhon Ratchasima, Thailand
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).
