| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 30.3° | 24.6° | 25.2mm | 3.5 | 80 |
| February | 31.1° | 23.9° | 11.1mm | 1.4 | 81 |
| March | 32.5° | 25° | 26.6mm | 1.9 | 74 |
| April | 33.5° | 26.5° | 86mm | 6.1 | 62 |
| May | 33.3° | — | 210mm | 16.3 | 45 |
| June | 32.3° | — | 255.2mm | 17.8 | 49 |
| July | 31.7° | 25.3° | 351.3mm | 21.1 | 51 |
| August | 31.7° | — | 314.9mm | 19.6 | 51 |
| September | 31.4° | 25.4° | 375.6mm | 20.9 | 52 |
| October | 31.3° | 25.5° | 351.3mm | 21.2 | 53 |
| November | 31° | 24.7° | 200mm | 14.5 | 55 |
| December | 30.2° | 23.9° | 67.4mm | 7.9 | 71 |
January in Cà Mau averages a daily high of 30.3°C with nights around 24.6°C. Expect roughly 3.5 wet days totalling 25.2mm. Comfortable conditions for being outdoors all day.
February in Cà Mau averages a daily high of 31.1°C with nights around 23.9°C. Rain is rare — about 1.4 wet days and 11.1mm across the month. Comfortable conditions for being outdoors all day.
March in Cà Mau averages a daily high of 32.5°C with nights around 25°C. Rain is rare — about 1.9 wet days and 26.6mm across the month. Generally workable, with some weather to plan around.
April in Cà Mau averages a daily high of 33.5°C with nights around 26.5°C. Expect roughly 6.1 wet days totalling 86mm. Generally workable, with some weather to plan around.
May in Cà Mau averages a daily high of 33.3°C. Expect roughly 16.3 wet days totalling 210mm. Demanding conditions — pack for it and plan indoor options.
June in Cà Mau averages a daily high of 32.3°C. Expect roughly 17.8 wet days totalling 255.2mm. Demanding conditions — pack for it and plan indoor options.
July in Cà Mau averages a daily high of 31.7°C with nights around 25.3°C. Expect roughly 21.1 wet days totalling 351.3mm. Demanding conditions — pack for it and plan indoor options.
August in Cà Mau averages a daily high of 31.7°C. Expect roughly 19.6 wet days totalling 314.9mm. Demanding conditions — pack for it and plan indoor options.
September in Cà Mau averages a daily high of 31.4°C with nights around 25.4°C. Expect roughly 20.9 wet days totalling 375.6mm. Demanding conditions — pack for it and plan indoor options.
October in Cà Mau averages a daily high of 31.3°C with nights around 25.5°C. Expect roughly 21.2 wet days totalling 351.3mm. Demanding conditions — pack for it and plan indoor options.
November in Cà Mau averages a daily high of 31°C with nights around 24.7°C. Expect roughly 14.5 wet days totalling 200mm. Generally workable, with some weather to plan around.
December in Cà Mau averages a daily high of 30.2°C with nights around 23.9°C. Expect roughly 7.9 wet days totalling 67.4mm. Generally workable, with some weather to plan around.
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. Cà Mau peaks at 81.
Based on 30 years of records, January–March scores highest for comfort in Cà Mau, balancing daytime temperature against rainfall.
April is the warmest, averaging a daily high of 33.5°C.
September is the wettest, averaging 375.6mm of rain across roughly 20.9 wet days.
December is the coolest month, with average daily highs around 30.2°C.