| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 32.8° | 21.7° | 17.4mm | 0.7 | 75 |
| February | 34.3° | 23.4° | 9.7mm | 0.9 | 69 |
| March | 36.1° | 25.2° | 37.7mm | 3 | 58 |
| April | 36.8° | 26.4° | 65.2mm | 4 | 53 |
| May | 35.8° | 25.3° | 112mm | 11.9 | 41 |
| June | 34.7° | 25.3° | 126.6mm | 13.1 | 43 |
| July | 33.9° | 24.7° | 150.9mm | 15.9 | 42 |
| August | 33.7° | 24.8° | 207.8mm | 18.8 | 43 |
| September | 33° | 24.6° | 330.8mm | 21.9 | 46 |
| October | 33° | 24.5° | 115.1mm | 9.9 | 56 |
| November | 32.8° | 23.6° | 37mm | 3 | 71 |
| December | 32.1° | 21.5° | 22.9mm | 2.3 | 75 |
January in Phra Phutthabat averages a daily high of 32.8°C with nights around 21.7°C. Rain is rare — about 0.7 wet days and 17.4mm across the month. Comfortable conditions for being outdoors all day.
February in Phra Phutthabat averages a daily high of 34.3°C with nights around 23.4°C. Rain is rare — about 0.9 wet days and 9.7mm across the month. Generally workable, with some weather to plan around.
March in Phra Phutthabat averages a daily high of 36.1°C with nights around 25.2°C. Expect roughly 3 wet days totalling 37.7mm. Generally workable, with some weather to plan around.
April in Phra Phutthabat averages a daily high of 36.8°C with nights around 26.4°C. Expect roughly 4 wet days totalling 65.2mm. Demanding conditions — pack for it and plan indoor options.
May in Phra Phutthabat averages a daily high of 35.8°C with nights around 25.3°C. Expect roughly 11.9 wet days totalling 112mm. Demanding conditions — pack for it and plan indoor options.
June in Phra Phutthabat averages a daily high of 34.7°C with nights around 25.3°C. Expect roughly 13.1 wet days totalling 126.6mm. Demanding conditions — pack for it and plan indoor options.
July in Phra Phutthabat averages a daily high of 33.9°C with nights around 24.7°C. Expect roughly 15.9 wet days totalling 150.9mm. Demanding conditions — pack for it and plan indoor options.
August in Phra Phutthabat averages a daily high of 33.7°C with nights around 24.8°C. Expect roughly 18.8 wet days totalling 207.8mm. Demanding conditions — pack for it and plan indoor options.
September in Phra Phutthabat averages a daily high of 33°C with nights around 24.6°C. Expect roughly 21.9 wet days totalling 330.8mm. Demanding conditions — pack for it and plan indoor options.
October in Phra Phutthabat averages a daily high of 33°C with nights around 24.5°C. Expect roughly 9.9 wet days totalling 115.1mm. Generally workable, with some weather to plan around.
November in Phra Phutthabat averages a daily high of 32.8°C with nights around 23.6°C. Expect roughly 3 wet days totalling 37mm. Generally workable, with some weather to plan around.
December in Phra Phutthabat averages a daily high of 32.1°C with nights around 21.5°C. Rain is rare — about 2.3 wet days and 22.9mm across the month. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Phra Phutthabat peaks at 75.
Based on 30 years of records, November–February scores highest for comfort in Phra Phutthabat, balancing daytime temperature against rainfall.
April is the warmest, averaging a daily high of 36.8°C.
September is the wettest, averaging 330.8mm of rain across roughly 21.9 wet days.
December is the coolest month, with average daily highs around 32.1°C.