Is Bangkok sunnier than Rayong?

Bangkok is the sunnier: about 2,535 hours of sunshine a year versus 2,377 — a difference of 158 hours.

Which is warmer, Bangkok or Rayong?

Bangkok is warmer across the year: average daytime highs of 31°C (88°F) versus 29°C.

Which is better in winter (November–February), Bangkok or Rayong?

They are close in the November–February window: Bangkok averages 87/100 (about 31°C days), Rayong 85/100 (about 29°C).

Bangkok vs Rayong: which is sunnier?

🇹🇭 Thailand vs 🇹🇭 Thailand · 115 km apart · long-term climate normals (NASA POWER, 2001–2020)

Bangkok is the sunnier overall: about 2,535 hours of sunshine a year to Rayong's 2,377. Month by month it's balanced: each has the higher Sunshine Score in 3 months, with 6 within 2 points.

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Bangkok	Rayong
Sunshine hours / year	2,535	2,377
Sunniest month	December (92/100)	February (88/100)
Nov–Feb average score	87/100	85/100
Jun–Aug average score	66/100	65/100
Rain / year	1,302 mm	2,065 mm
Peak midday UV	11 (extreme)	10 (very high)

Bangkok vs Rayong month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Bangkok	Rayong	Bangkok	Rayong	Bangkok	Rayong
January	90	86	31°	28°	21	35
February	82	88	33°	29°	16	25
March	76	81	33°	29°	51	64
April	64	76	34°	30°	72	91
May	66	65	32°	30°	152	224
June	66	65	31°	29°	152	290
July	66	65	31°	29°	152	324
August	66	65	31°	29°	155	293
September	66	65	30°	29°	251	360
October	66	65	30°	29°	221	252
November	85	78	30°	29°	49	80
December	92	88	30°	29°	10	27

The sunnier month by month: Jan Bangkok · Feb Rayong · Mar Rayong · Apr Rayong · May even · Jun even · Jul even · Aug even · Sep even · Oct even · Nov Bangkok · Dec Bangkok.

When to pick which

November–February: too close to call — Bangkok averages 87/100, Rayong 85/100. Bangkok is the warmer, around 31°C daytime highs vs 29°C. See the winter sun ranking.
March–May: Rayong (average score 74/100 vs 69). Bangkok is the warmer, around 33°C daytime highs vs 30°C.
June–August: too close to call — Bangkok averages 66/100, Rayong 65/100. Bangkok is the warmer, around 31°C daytime highs vs 29°C.
September–October: too close to call — Bangkok averages 66/100, Rayong 65/100. Daytime highs are similar (30°C vs 29°C).

Full month-by-month guides: Bangkok weather by month · Rayong weather by month · Best time to visit Thailand.

More comparisons: Bangkok vs Khon Kaen · Bangkok vs Phitsanulok · Rayong vs Phu Quoc · Rayong vs Ko Samui · all head-to-heads