| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 32.2° | 17.2° | 0.4mm | 0.6 | 78 |
| February | 35.2° | 19.8° | 1.1mm | 0.5 | 66 |
| March | 37.7° | 23.9° | 8.8mm | 1.3 | 55 |
| April | 38.3° | 26.8° | 42.1mm | 4.3 | 46 |
| May | 35.6° | 26.7° | 146.2mm | 13.8 | 38 |
| June | 33.8° | 25.7° | 122.4mm | 15.8 | 43 |
| July | 32.7° | 25.3° | 119.7mm | 15.7 | 47 |
| August | 32.5° | 25° | 138.3mm | 16 | 48 |
| September | 32.6° | 24.5° | 310.9mm | 19.4 | 48 |
| October | 32.2° | 23.7° | 156.6mm | 13.4 | 52 |
| November | 31.8° | 21.7° | 59.1mm | 4.4 | 72 |
| December | 30.8° | 18.1° | 2.7mm | 1 | 83 |
January in Kamphaeng Phet averages a daily high of 32.2°C with nights around 17.2°C. Rain is rare — about 0.6 wet days and 0.4mm across the month. Comfortable conditions for being outdoors all day.
February in Kamphaeng Phet averages a daily high of 35.2°C with nights around 19.8°C. Rain is rare — about 0.5 wet days and 1.1mm across the month. Generally workable, with some weather to plan around.
March in Kamphaeng Phet averages a daily high of 37.7°C with nights around 23.9°C. Rain is rare — about 1.3 wet days and 8.8mm across the month. Generally workable, with some weather to plan around.
April in Kamphaeng Phet averages a daily high of 38.3°C with nights around 26.8°C. Expect roughly 4.3 wet days totalling 42.1mm. Demanding conditions — pack for it and plan indoor options.
May in Kamphaeng Phet averages a daily high of 35.6°C with nights around 26.7°C. Expect roughly 13.8 wet days totalling 146.2mm. Demanding conditions — pack for it and plan indoor options.
June in Kamphaeng Phet averages a daily high of 33.8°C with nights around 25.7°C. Expect roughly 15.8 wet days totalling 122.4mm. Demanding conditions — pack for it and plan indoor options.
July in Kamphaeng Phet averages a daily high of 32.7°C with nights around 25.3°C. Expect roughly 15.7 wet days totalling 119.7mm. Demanding conditions — pack for it and plan indoor options.
August in Kamphaeng Phet averages a daily high of 32.5°C with nights around 25°C. Expect roughly 16 wet days totalling 138.3mm. Demanding conditions — pack for it and plan indoor options.
September in Kamphaeng Phet averages a daily high of 32.6°C with nights around 24.5°C. Expect roughly 19.4 wet days totalling 310.9mm. Demanding conditions — pack for it and plan indoor options.
October in Kamphaeng Phet averages a daily high of 32.2°C with nights around 23.7°C. Expect roughly 13.4 wet days totalling 156.6mm. Demanding conditions — pack for it and plan indoor options.
November in Kamphaeng Phet averages a daily high of 31.8°C with nights around 21.7°C. Expect roughly 4.4 wet days totalling 59.1mm. Generally workable, with some weather to plan around.
December in Kamphaeng Phet averages a daily high of 30.8°C with nights around 18.1°C. Rain is rare — about 1 wet days and 2.7mm 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. Kamphaeng Phet peaks at 83.
Based on 30 years of records, December–January scores highest for comfort in Kamphaeng Phet, balancing daytime temperature against rainfall.
April is the warmest, averaging a daily high of 38.3°C.
September is the wettest, averaging 310.9mm of rain across roughly 19.4 wet days.
December is the coolest month, with average daily highs around 30.8°C.