Chiang Rai vs Phitsanulok: which is sunnier?
🇹🇭 Thailand vs 🇹🇭 Thailand · 355 km apart · long-term climate normals (NASA POWER, 2001–2020)
Phitsanulok is the sunnier overall: about 2,511 hours of sunshine a year to Chiang Rai's 2,393. Chiang Rai has the higher Sunshine Score in 6 of 12 months, Phitsanulok in 1 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Chiang Rai | Phitsanulok | |
|---|---|---|
| Sunshine hours / year | 2,393 | 2,511 |
| Sunniest month | February (92/100) | January (92/100) |
| Nov–Feb average score | 90/100 | 82/100 |
| Jun–Aug average score | 66/100 | 64/100 |
| Rain / year | 1,328 mm | 1,243 mm |
| Peak midday UV | 9 (very high) | 10 (very high) |
Chiang Rai vs Phitsanulok month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Chiang Rai | Phitsanulok | Chiang Rai | Phitsanulok | Chiang Rai | Phitsanulok | |
| January | 89 | 92 | 27° | 32° | 19 | 11 |
| February | 92 | 55 | 30° | 36° | 5 | 10 |
| March | 70 | 35 | 34° | 38° | 26 | 31 |
| April | 48 | 25 | 36° | 39° | 72 | 61 |
| May | 52 | 46 | 34° | 35° | 178 | 178 |
| June | 67 | 60 | 32° | 33° | 141 | 162 |
| July | 65 | 66 | 31° | 32° | 245 | 163 |
| August | 65 | 66 | 30° | 31° | 284 | 203 |
| September | 65 | 66 | 31° | 31° | 210 | 251 |
| October | 75 | 68 | 30° | 31° | 99 | 140 |
| November | 87 | 89 | 28° | 31° | 34 | 24 |
| December | 90 | 92 | 26° | 30° | 15 | 9 |
The sunnier month by month: Jan Phitsanulok · Feb Chiang Rai · Mar Chiang Rai · Apr Chiang Rai · May Chiang Rai · Jun Chiang Rai · Jul even · Aug even · Sep even · Oct Chiang Rai · Nov even · Dec even.
When to pick which
- November–February: Chiang Rai (average score 90/100 vs 82). Phitsanulok is the warmer, around 32°C daytime highs vs 28°C. See the winter sun ranking.
- March–May: Chiang Rai (average score 57/100 vs 35). Phitsanulok is the warmer, around 37°C daytime highs vs 35°C.
- June–August: too close to call — Chiang Rai averages 66/100, Phitsanulok 64/100. Daytime highs are similar (31°C vs 32°C).
- September–October: Chiang Rai (average score 70/100 vs 67). Daytime highs are similar (31°C vs 31°C).
Full month-by-month guides: Chiang Rai weather by month · Phitsanulok weather by month · Best time to visit Thailand.
More comparisons: Chiang Rai vs Yangon · Chiang Rai vs Chiang Mai · Chiang Rai vs Jinghong (Gasa) · Phitsanulok vs Bangkok · Phitsanulok vs Yangon · Phitsanulok vs Vientiane · all head-to-heads