Climate and monthly weather forecast
Nakhon Ratchasima, Thailand

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

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »