City, Thailand
Udon Thani weather by month and the best time to visit
When to go to Udon Thani
Nov–Feb is cool and dry; the Red Lotus Lake blooms Dec–Feb. Mar–May is very hot; Jun–Oct is rainy with occasional flooding.
Udon Thani weather by month
Average daily high, rainfall and conditions.
- Jan30°8 mm
- Feb33°16 mm
- Mar36°39 mm
- Apr37°73 mm
- May34°187 mm
- Jun32°179 mm
- Jul31°203 mm
- Aug30°257 mm
- Sep30°234 mm
- Oct29°102 mm
- Nov29°18 mm
- Dec28°7 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 30°C85°F | 15°C59°F | 8 mm | 60% | Pleasant |
| February | 33°C92°F | 18°C65°F | 16 mm | 52% | Hot |
| March | 36°C96°F | 22°C72°F | 39 mm | 49% | Hot |
| April | 37°C99°F | 25°C78°F | 73 mm | 52% | Very hot |
| May | 34°C94°F | 25°C77°F | 187 mm | 69% | Rainy |
| June | 32°C89°F | 24°C76°F | 179 mm | 80% | Rainy |
| July | 31°C87°F | 24°C75°F | 203 mm | 83% | Rainy |
| August | 30°C86°F | 24°C74°F | 257 mm | 86% | Rainy |
| September | 30°C86°F | 23°C74°F | 234 mm | 87% | Rainy |
| October | 29°C84°F | 21°C70°F | 102 mm | 84% | Pleasant |
| November | 29°C84°F | 18°C65°F | 18 mm | 77% | Pleasant |
| December | 28°C82°F | 15°C59°F | 7 mm | 67% | Pleasant |
Best months across Thailand
| Place | Best months | Warmest month |
|---|---|---|
| Bangkok | Nov–Feb | Mar (36°C) |
| Phuket | Nov–Mar | Mar (30°C) |
| Chiang Mai | Nov–Jan | Apr (37°C) |
| Koh Samui | Jan–Apr, Jul–Aug | May (30°C) |
| Krabi | Nov–Mar | Mar (31°C) |
| Koh Phi Phi | Nov–Mar | Apr (30°C) |
| Koh Phangan | Jan–Apr, Jul–Aug | May (27°C) |
| Pai | Nov–Feb | Apr (35°C) |
| Pattaya | Nov–Feb | Apr (31°C) |
| Koh Tao | Feb–Aug | May (29°C) |
| Patong | Nov–Apr | Mar (30°C) |
| Hua Hin | Nov–Mar | Apr (33°C) |
| Chiang Rai | Nov–Feb | Apr (35°C) |
| Ayutthaya | Nov–Feb | Mar (37°C) |
| Koh Lanta | Nov–Apr | Apr (29°C) |
| Railay | Nov–Mar | Mar (31°C) |
| Kanchanaburi | Nov–Feb | Apr (37°C) |
| Koh Chang | Nov–Feb | Apr (30°C) |
| Khao Lak | Nov–Mar | Mar (31°C) |
| Koh Samet | Nov–Mar | Apr (30°C) |
| Koh Lipe | Nov–Mar | Apr (30°C) |
| Khao Yai | Nov–Feb | Apr (34°C) |
| Khao Sok | Dec–Apr | Apr (32°C) |
| Sukhothai | Nov–Feb | Apr (38°C) |
| Hat Yai | Jan–Apr | Apr (31°C) |
| Kata Beach | Nov–Mar | Mar (30°C) |
| Jomtien | Nov–Feb | Apr (31°C) |
| Rawai | Nov–Mar | Mar (30°C) |
| Udon Thani | Nov–Feb | Apr (37°C) |
| Koh Kood | Nov–Mar | May (30°C) |
Quick answers
What is the best month to visit Udon Thani?
Nov–Feb. Nov–Feb is cool and dry; the Red Lotus Lake blooms Dec–Feb. Mar–May is very hot; Jun–Oct is rainy with occasional flooding.
When is the rainy season in Udon Thani?
Rain peaks in August with about 257 mm. Months with 150 mm or more: May–Sep.
What is the hottest month in Udon Thani?
April, with average highs of 37°C (99°F).
How cold does Udon Thani get?
The coolest nights are in December, averaging 15°C (59°F).
More about Udon Thani
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Sources
- NASA POWER climatology (2001–2020)
- Udon Thani International Airport (Thai Airports)
- Tourism Authority of Thailand: Udon Thani
- Fine Arts Department (Ban Chiang)
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.