Climate and monthly weather forecastUbon Ratchathani, Thailand

The climate of Ubon Ratchathani

In Ubon Ratchathani, a city nestled in the northeastern region of Thailand, the dominant climate is stated as 'Tropical wet and dry' or 'savanna' per the Köppen climate classification. The annual pattern shows a significant tendency towards humidity, with a high average percentage of relative humidity from 62% to 82%. The fluctuation in temperature is also substantial throughout a year, from a high of 36.4°C (97.5°F) to a minimum average temperature of 17.5°C (63.5°F).

The rainfall is an essential feature in Ubon Ratchathani's climate. The rainfall peaks from 303mm (11.93") in August to a nominal 1mm (0.04") in December, marked by a dry season that lasts from January to February. This rainfall pattern directly influences the number of rainy days, which spike to a maximum of 22 days in August.

The duration of daylight exposure and sunshine also vary in Ubon Ratchathani. From 11.2 hours in December, daylight ascends to a high of 13 hours in June. Conversely, the hours of sunshine plummet to 5.5 hours from June through August, despite long daylight hours. The UV index includes values from 9 to 12, reaching the maximum of 12 between February and August. This variation of sunlight hours, daylight, and UV index reinforces the integral variety and contrast Ubon Ratchathani has in its climate.

The best time to visit Ubon Ratchathani

For tourists who love soaking in the sunlight and enjoy higher temperatures, March to May is the ideal time to visit Ubon Ratchathani. This period represents the city's summer season where temperatures rise in the range from 31.7°C (89.1°F) to 36.4°C (97.5°F). The hours of sunshine are also abundant, ranging from 7.7 hours to 8.7 hours a day. Rainfall during this time is moderate, providing relief from the heat but not severe to cause travel disruptions.

The worst time to visit Ubon Ratchathani

Traveling to Ubon Ratchathani could prove challenging in the monsoon season, specifically between June and October. This stretch of the year sees peak rainfall, reaching 303mm (11.93") in August, affecting outdoor activities and sightseeing. In the same period, the average number of rainy days ranges from 19 to 22 per month. High humidity levels are also noted during these months, with an average of 80% during the monsoon season, rising to 82% in August and September.

Spring weather in Ubon Ratchathani

Spring in Ubon Ratchathani, from March to May, is associated with warm weather. During these months, visitors can expect high temperatures from 31.7°C (89.1°F) to 36.4°C (97.5°F) and low temperatures from 19.9°C (67.8°F) to 24.5°C (76.1°F). The city experiences moderate rainfall that gradually increases from 15mm (0.59") in March to 87mm (3.43") in May. Sunshine duration also falls in the spring from 9.4 hours to 7.7 hours a day.

Summer weather in Ubon Ratchathani

Ubon Ratchathani experiences its summer from June through August, marked by heavy rainfall and high humidity. The average high temperature in these months ranges from 32.6°C (90.7°F) to 34.7°C (94.5°F), with lows from 24.2°C (75.6°F) to 24.5°C (76.1°F). Rainfall reaches its peak in this season with up to 303mm (11.93") in August coupled with high humidity, from 79% to 82%.

Autumn weather in Ubon Ratchathani

Autumn, which spans September to November, experiences a decrease in rainfall from 294mm (11.57") in September to 23mm (0.91") in November. The high temperature ranges from 31.4°C (88.5°F) to 31.8°C (89.2°F) and the low temperature from 20.3°C (68.5°F) to 23.7°C (74.7°F). The duration of sunshine increases from 5.5 hours per day in September to 8.5 hours per day in November.

Winter weather in Ubon Ratchathani

Winter in Ubon Ratchathani, mainly December, February, and part of March, is characterized by lower temperatures and sparse rainfall. The temperature falls between highs from 30.6°C (87.1°F) to 31.7°C (89.1°F) and lows from 17.5°C (63.5°F) to 19.9°C (67.8°F). This period sees minimal rainfall, from 2mm (0.08") in February to 15mm (0.59") in March, and more sunlit hours, from 8.8 hours in December to 9.5 hours in February. The average hours of daylight are from 11.2 hours in December to 11.7 hours by February.

Weather in January

January in Ubon Ratchathani, Thailand is characterized by climate trends that signify the advent of the year: mild temperatures and relatively low rates of rainfall. Conditions are cooler, from 17.5°C (63.5°F) to 31.7°C (89.1°F), compared to the months ahead. Weather in January »

Weather in February

Local weather in February experiences changes, with the temperatures in Ubon Ratchathani, Thailand inclining upward slightly. There is an increase in rainfall from 2mm (0.08") in January to 15mm (0.59") in this month. The rise in humidity levels hints at the approaching wet season. Weather in February »

Weather in March

March heralds noticeable shifts in weather patterns in Ubon Ratchathani, Thailand. The rainfall escalates, with an unprecedented rise to 31mm (1.22"), as humidity levels ascend correspondingly. The promise of longer hours of daylight foreshadows the hot season in the months to come. Weather in March »

Weather in April

Weather conditions in April burgeon in Ubon Ratchathani, Thailand, paving the way for the hot season. Temperatures escalate, culminating in April's high of 36.4°C (97.5°F), as rainfall registers a significant increase to 87mm (3.43"). Weather in April »

Weather in May

May signifies a key junction in the annual calendar of Ubon Ratchathani, Thailand's weather. The maximum rainfall of 209mm (8.23") marks the onset of the wet season in the year. It brings with it a more humid climate and lower levels of sunshine, despite the longer length of daylight. Weather in May »

Weather in June

Ubon Ratchathani, Thailand plunges deeper into the wet season in June. Humidity levels peak, and further, rainfall of 240mm (9.45") adds to this moist atmosphere. Despite the rain, the temperatures remain relatively stable with no drastic fluctuations expected. Weather in June »

Weather in July

July continues the trend of persistent rainfall in Ubon Ratchathani, Thailand with recorded 254mm (10"). The weather remains wet, with rain being a frequent occurrence. Temperature variations are minimal but the humidity levels remain quite high. Weather in July »

Weather in August

In August, Ubon Ratchathani, Thailand witnesses the maximum annual rainfall, accumulating to 303mm (11.93"). Despite this, the area maintains average temperature stability. While sunshine hours decline, the increased lengths of daylight are no match for looming rainy clouds. Weather in August »

Weather in September

September in Ubon Ratchathani, Thailand heralds the gradual end of the wet season. Relief from the dense, wet conditions of August emerges as the rainfall totals fall to 294mm (11.57"). Despite lesser rain, the humidity levels remain relatively unchanged. Weather in September »

Weather in October

October ushers in notable changes in Ubon Ratchathani, Thailand, with weather patterns deviating significantly from prior months. Rainfall figures plummet to 123mm (4.84"), indicating the approaching end of the annual wet season. Weather in October »

Weather in November

November's weather exhibits significant transformations in Ubon Ratchathani, Thailand. This month sees a sharp drop in rainfall, declining to 23mm (0.91"), signifying the start of the dry season. Along with this decrease in rainfall, the humidity levels continue to lower. Weather in November »

Weather in December

December rounds up the year in Ubon Ratchathani, Thailand, with temperatures at their annual nadir. Minimal rainfall of 1mm (0.04") reinforces the conditions of dry season. Despite its cooler temperatures, the weather remains pleasant for outdoor activities and sightseeing. Weather in December »