Ubon Ratchathani vs Dong Hoi: which is sunnier?
🇹🇭 Thailand vs 🇻🇳 Vietnam · 312 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 Dong Hoi's 1,435. Ubon Ratchathani has the higher Sunshine Score in 7 of 12 months, Dong Hoi in 4 (1 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 | Dong Hoi | |
|---|---|---|
| Sunshine hours / year | 2,570 | 1,435 |
| Sunniest month | January (93/100) | February (82/100) |
| Nov–Feb average score | 86/100 | 72/100 |
| Jun–Aug average score | 67/100 | 62/100 |
| Rain / year | 1,473 mm | 1,930 mm |
| Peak midday UV | 10 (very high) | 9 (very high) |
Ubon Ratchathani vs Dong Hoi month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Ubon Ratchathani | Dong Hoi | Ubon Ratchathani | Dong Hoi | Ubon Ratchathani | Dong Hoi | |
| January | 93 | 78 | 32° | 22° | 4 | 46 |
| February | 65 | 82 | 35° | 23° | 7 | 24 |
| March | 53 | 79 | 36° | 25° | 33 | 41 |
| April | 41 | 76 | 37° | 27° | 68 | 57 |
| May | 60 | 66 | 33° | 30° | 170 | 114 |
| June | 67 | 69 | 31° | 31° | 195 | 95 |
| July | 67 | 59 | 30° | 31° | 292 | 156 |
| August | 67 | 59 | 29° | 30° | 295 | 229 |
| September | 67 | 59 | 29° | 30° | 283 | 404 |
| October | 76 | 59 | 30° | 28° | 101 | 466 |
| November | 91 | 59 | 30° | 26° | 18 | 188 |
| December | 93 | 67 | 30° | 23° | 7 | 110 |
The sunnier month by month: Jan Ubon Ratchathani · Feb Dong Hoi · Mar Dong Hoi · Apr Dong Hoi · May Dong Hoi · Jun even · Jul Ubon Ratchathani · Aug Ubon Ratchathani · Sep Ubon Ratchathani · Oct Ubon Ratchathani · Nov Ubon Ratchathani · Dec Ubon Ratchathani.
When to pick which
- November–February: Ubon Ratchathani (average score 86/100 vs 72). Ubon Ratchathani is the warmer, around 32°C daytime highs vs 24°C. See the winter sun ranking.
- March–May: Dong Hoi (average score 74/100 vs 51). Ubon Ratchathani is the warmer, around 35°C daytime highs vs 27°C.
- June–August: Ubon Ratchathani (average score 67/100 vs 62). Daytime highs are similar (30°C vs 31°C).
- September–October: Ubon Ratchathani (average score 72/100 vs 59). Daytime highs are similar (30°C vs 29°C).
Full month-by-month guides: Ubon Ratchathani weather by month · Dong Hoi weather by month · Best time to visit Thailand · Best time to visit Vietnam.
More comparisons: Ubon Ratchathani vs Khon Kaen · Ubon Ratchathani vs Udon Thani · Dong Hoi vs Huế · Dong Hoi vs Da Nang · Dong Hoi vs Vinh · all head-to-heads