Udon Thani weather by month & the best time to visit
Thailand · regional city · tropical — wet & dry seasons climate
The best time to visit Udon Thani is January — its sunniest month (Sunshine Score 92/100), with December and November close behind. Udon Thani averages about 2,438 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 8 mm of rain in January.
When is the best time to visit Udon Thani?
For sunshine, the best time to visit Udon Thani is January, then December and November. The dullest month is April (40/100, 73 mm of rain). The full month-by-month picture is in the table below.
How sunny is Udon Thani?
Udon Thani gets a moderate 2,438 hours of sunshine a year. 52 Sunshine Score points separate January (92) from April (40), so the month you pick matters. It ranks #9 of 24 destinations in Thailand for annual sunshine, above the national median of 2,329 hours. Rain has a clear season: the wettest stretch, around August, carries about 52% of the annual 1,323 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 92 | 29° / 84°F | 15° / 59°F | 8 mm | 9 |
| February | 81 | 33° / 91°F | 19° / 66°F | 16 mm | 10 |
| March | 52 | 36° / 97°F | 22° / 72°F | 39 mm | 9 |
| April | 40 | 37° / 99°F | 25° / 77°F | 73 mm | 10 |
| May | 53 | 34° / 93°F | 25° / 77°F | 187 mm | 10 |
| June | 66 | 32° / 90°F | 24° / 75°F | 179 mm | 10 |
| July | 66 | 31° / 88°F | 24° / 75°F | 203 mm | 10 |
| August | 66 | 30° / 86°F | 24° / 75°F | 257 mm | 10 |
| September | 66 | 30° / 86°F | 23° / 73°F | 234 mm | 9 |
| October | 74 | 29° / 84°F | 21° / 70°F | 102 mm | 10 |
| November | 90 | 29° / 84°F | 18° / 64°F | 18 mm | 9 |
| December | 92 | 28° / 82°F | 15° / 59°F | 7 mm | 8 |
Nearest destinations
Head-to-head
How Udon Thani compares month by month: Udon Thani vs Vientiane · Udon Thani vs Ubon Ratchathani · Udon Thani vs Khon Kaen · Udon Thani vs Phitsanulok · all comparisons
Udon Thani: questions and answers
What kind of destination is Udon Thani?
Udon Thani is a regional city in Thailand with a tropical — wet & dry seasons climate.
How many hours of sunshine does Udon Thani get a year?
Udon Thani gets about 2,438 hours of sunshine a year, at its best around January.
When is the best time to visit Udon Thani?
The sunniest time to visit Udon Thani is January, when the Sunshine Score peaks at 92/100 (with December and November close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Udon Thani?
April is the least sunny month in Udon Thani, scoring 40/100 with about 73 mm of rain.
How strong is the sun in Udon Thani?
The typical midday UV index in Udon Thani peaks around 10 (very high) in February, easing to about 8 (very high) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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