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Ubon Ratchathani in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Ubon Ratchathani in May will be like? Take a look at our weather guide for Ubon Ratchathani, based on historical data.
Check flight prices to Ubon Ratchathani on Avionero:
May

Weather in Ubon Ratchathani in May 2026

Uncomfortable Weather
Hot
🌧️
Rainy
If you are thinking of traveling to Ubon Ratchathani in May, think and plan carefully. The average daytime high temperature is usually around +34°C, and there are only about 1 sunny days in total throughout the whole month. Pack for extremes to ensure that you are as comfortable as possible. Search flights in one click on Avionero.

Average weather

☀️
+34°C
Avg. max. temperature
+20°C
Min.
+41°C
Max.
183 mm
Total precipitation
75%
Avg. humidity
1 m/s
Avg. wind
1 ☀️
Sunny Days
2 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Ubon Ratchathani has uncomfortable weather in May.

Average temperature in Ubon Ratchathani in May

Here are the expected maximum, average and minimum temperatures in Ubon Ratchathani for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +40°C during the day to a minimum of +25°C during the night, the temperature in May averages around +35°C.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +35°C to +35°C.

Is Ubon Ratchathani warm or cold in May?

Ubon Ratchathani is typically hot in May.

Maximum temperatures go down compared to the previous month from +35°C to +34°C. The minimum temperature also goes up from +26°C to +26°C.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

May is one of the warmest months in Ubon Ratchathani, here is the comparison with other months:

Climate in Ubon Ratchathani in May

Ubon Ratchathani weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+35°C+34°C+33°C
Min. temperature
+17°C+20°C+23°C
Max. temperature
+42°C+41°C+38°C
Rainfall
81 mm183 mm208 mm
Wind
1 m/s1 m/s1 m/s
Humidity
66%75%79%
Air pressure
1008 HPa1007 HPa1006 HPa
Sunny days
410
Cloudy days
521
Rainy days
162022
Snowy days
000

May typically has worse weather conditions compared to April. It’s getting colder in May. From +35°C in the day, the average maximum temperature lowers to +34°C. Prepare for more rain. Average rainfall goes from 81 mm to 183 mm. Humidity rises from 66% to 75%. The average wind speed doesn’t change much during May, staying around 1 m/s. The days becoming less sunny, going from 4 sunny days in April to 1 in May.

But maybe it is worth considering traveling in June as the weather gets better.

Wind

Wind speed in Ubon Ratchathani in May based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Ubon Ratchathani is gradually increasing during May, going from 1 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Ubon Ratchathani based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in May, with total rainfall of approximately 129 mm. The maximum amount of rainfall per day is around 39 mm, which is moderate rain. May is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Ubon Ratchathani wettest month is September, where a typical day has a 73% chance of precipitation and 272 mm of rainfall per day. January, on the other hand, is the driest month with a mere 10% chance of precipitation and 4 mm of rainfall per day.

How was the weather last May in Ubon Ratchathani?

This is the weather in Ubon Ratchathani in May 2024:
1 May
☀️
+35°C
2 May
☀️
+38°C
3 May
☀️
+38°C
4 May
☀️
+38°C
5 May
☀️
+40°C
6 May
☀️
+40°C
7 May
☀️
+40°C
8 May
☁️
+33°C
9 May
🌧️
+35°C
10 May
🌧️
+34°C
11 May
🌧️
+33°C
12 May
🌧️
+29°C
13 May
☁️
+32°C
14 May
🌧️
+32°C
15 May
☁️
+34°C
16 May
☀️
+36°C
17 May
☀️
+36°C
18 May
☀️
+37°C
19 May
☀️
+37°C
20 May
☀️
+37°C
21 May
☁️
+36°C
22 May
☁️
+37°C
23 May
☁️
+35°C
24 May
🌧️
+34°C
25 May
🌧️
+33°C
26 May
🌧️
+32°C
27 May
🌧️
+35°C
28 May
☀️
+34°C
29 May
☁️
+33°C
30 May
☀️
+34°C
31 May
☁️
+35°C
In May 2024 Ubon Ratchathani had 14 sunny days, 8 cloudy days, and 9 rainy days. The average maximum temperature was +35°C, with an absolute maximum of +40°C and a minimum of +29°C. The average humidity was 74%, with a maximum of 100% and a minimum of 39%. The average wind speed was 1 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Ubon Ratchathani climate have been changing during last 43 years period.

The climate in Ubon Ratchathani in May has not changed much over the last 43 years.

The average temperature was the lowest in 1999 (+31°C) and the highest in 2024 (+33°C). The driest year was 2005 with only 1085 mm of rainfall, and the wettest year was 1980 with 2081 mm.

FAQ

Frequently asked questions about the weather in Ubon Ratchathani in May:

Is May a good time to visit Ubon Ratchathani?

There is never a bad time to go to Ubon Ratchathani, but the weather isn’t the best in May, so plan on enjoying the great indoor attractions of Ubon Ratchathani and pack for the extremes in weather.

Can you sunbathe in Ubon Ratchathani in May?

Absolutely, May is hot in Ubon Ratchathani. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Ubon Ratchathani rainy in May?

Ubon Ratchathani is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Ubon Ratchathani in May?

Usually, it’s not very sunny in Ubon Ratchathani in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Ubon Ratchathani

Source of the data

For this page, we’ve looked at the typical weather in Ubon Ratchathani, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.