Ubon Ratchathani vs Udon Thani: which is sunnier?
🇹🇭 Thailand vs 🇹🇭 Thailand · 325 km apart · long-term climate normals (NASA POWER, 2001–2020)
Ubon Ratchathani is the sunnier overall: about 2,570 hours of sunshine a year to Udon Thani's 2,438. Month by month it's balanced: each has the higher Sunshine Score in 1 month, with 10 within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Ubon Ratchathani | Udon Thani | |
|---|---|---|
| Sunshine hours / year | 2,570 | 2,438 |
| Sunniest month | January (93/100) | January (92/100) |
| Nov–Feb average score | 86/100 | 89/100 |
| Jun–Aug average score | 67/100 | 66/100 |
| Rain / year | 1,473 mm | 1,323 mm |
| Peak midday UV | 10 (very high) | 10 (very high) |
Ubon Ratchathani vs Udon Thani month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Ubon Ratchathani | Udon Thani | Ubon Ratchathani | Udon Thani | Ubon Ratchathani | Udon Thani | |
| January | 93 | 92 | 32° | 29° | 4 | 8 |
| February | 65 | 81 | 35° | 33° | 7 | 16 |
| March | 53 | 52 | 36° | 36° | 33 | 39 |
| April | 41 | 40 | 37° | 37° | 68 | 73 |
| May | 60 | 53 | 33° | 34° | 170 | 187 |
| June | 67 | 66 | 31° | 32° | 195 | 179 |
| July | 67 | 66 | 30° | 31° | 292 | 203 |
| August | 67 | 66 | 29° | 30° | 295 | 257 |
| September | 67 | 66 | 29° | 30° | 283 | 234 |
| October | 76 | 74 | 30° | 29° | 101 | 102 |
| November | 91 | 90 | 30° | 29° | 18 | 18 |
| December | 93 | 92 | 30° | 28° | 7 | 7 |
The sunnier month by month: Jan even · Feb Udon Thani · Mar even · Apr even · May Ubon Ratchathani · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: Udon Thani (average score 89/100 vs 86). Ubon Ratchathani is the warmer, around 32°C daytime highs vs 30°C. See the winter sun ranking.
- March–May: Ubon Ratchathani (average score 51/100 vs 48). Daytime highs are similar (35°C vs 36°C).
- June–August: too close to call — Ubon Ratchathani averages 67/100, Udon Thani 66/100. Daytime highs are similar (30°C vs 31°C).
- September–October: too close to call — Ubon Ratchathani averages 72/100, Udon Thani 70/100. Daytime highs are similar (30°C vs 30°C).
Full month-by-month guides: Ubon Ratchathani weather by month · Udon Thani weather by month · Best time to visit Thailand.
More comparisons: Ubon Ratchathani vs Khon Kaen · Ubon Ratchathani vs Dong Hoi · Udon Thani vs Vientiane · Udon Thani vs Khon Kaen · Udon Thani vs Phitsanulok · all head-to-heads