| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 29.4° | 22.5° | — | — | 84 |
| February | 30.5° | 23° | — | — | 80 |
| March | 32.5° | 24.5° | 0.5mm | 1 | 76 |
| April | 34.5° | 26.6° | 218.3mm | 9 | 52 |
| May | 36.7° | 27.2° | 41.4mm | 4 | 53 |
| June | 37° | 26.9° | 0mm | 0 | 60 |
| July | 36.4° | 26.6° | — | — | 56 |
| August | 35.6° | 25.8° | — | — | 60 |
| September | 34.8° | 25.7° | — | — | 63 |
| October | 32.8° | 25.1° | — | — | 71 |
| November | 30.3° | 23.9° | 687.8mm | 21.5 | 57 |
| December | 29.3° | 23.3° | — | — | 85 |
January in Mayiladuthurai averages a daily high of 29.4°C with nights around 22.5°C. Comfortable conditions for being outdoors all day.
February in Mayiladuthurai averages a daily high of 30.5°C with nights around 23°C. Comfortable conditions for being outdoors all day.
March in Mayiladuthurai averages a daily high of 32.5°C with nights around 24.5°C. Rain is rare — about 1 wet days and 0.5mm across the month. Comfortable conditions for being outdoors all day.
April in Mayiladuthurai averages a daily high of 34.5°C with nights around 26.6°C. Expect roughly 9 wet days totalling 218.3mm. Demanding conditions — pack for it and plan indoor options.
May in Mayiladuthurai averages a daily high of 36.7°C with nights around 27.2°C. Expect roughly 4 wet days totalling 41.4mm. Demanding conditions — pack for it and plan indoor options.
June in Mayiladuthurai averages a daily high of 37°C with nights around 26.9°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
July in Mayiladuthurai averages a daily high of 36.4°C with nights around 26.6°C. Generally workable, with some weather to plan around.
August in Mayiladuthurai averages a daily high of 35.6°C with nights around 25.8°C. Generally workable, with some weather to plan around.
September in Mayiladuthurai averages a daily high of 34.8°C with nights around 25.7°C. Generally workable, with some weather to plan around.
October in Mayiladuthurai averages a daily high of 32.8°C with nights around 25.1°C. Generally workable, with some weather to plan around.
November in Mayiladuthurai averages a daily high of 30.3°C with nights around 23.9°C. Expect roughly 21.5 wet days totalling 687.8mm. Generally workable, with some weather to plan around.
December in Mayiladuthurai averages a daily high of 29.3°C with nights around 23.3°C. 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. Mayiladuthurai peaks at 85.
Based on 30 years of records, December–February scores highest for comfort in Mayiladuthurai, balancing daytime temperature against rainfall.
June is the warmest, averaging a daily high of 37°C.
November is the wettest, averaging 687.8mm of rain across roughly 21.5 wet days.
December is the coolest month, with average daily highs around 29.3°C.