| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 16.9° | 5.5° | 108.3mm | 8.7 | 73 |
| February | 18.7° | 7.4° | 75mm | 8.1 | 80 |
| March | 22.6° | 11.1° | 83.1mm | 6.9 | 86 |
| April | 26.2° | 14.9° | 87.8mm | 6.6 | 87 |
| May | 30.2° | 19.4° | 135.8mm | 6.5 | 74 |
| June | 33.4° | 22.4° | 108.9mm | 7.3 | 60 |
| July | 34.6° | 23.4° | 96.7mm | 7.6 | 54 |
| August | 35.2° | 23.7° | 114.6mm | 7.3 | 53 |
| September | 32.2° | 21.2° | 96.5mm | 6.7 | 66 |
| October | 27.6° | 15.8° | 120.2mm | 6.6 | 84 |
| November | 21.8° | 10.4° | 125.5mm | 7.2 | 86 |
| December | 17.7° | 6.6° | 107.2mm | 8.7 | 75 |
January in Conroe averages a daily high of 16.9°C with nights around 5.5°C. Expect roughly 8.7 wet days totalling 108.3mm. Generally workable, with some weather to plan around.
February in Conroe averages a daily high of 18.7°C with nights around 7.4°C. Expect roughly 8.1 wet days totalling 75mm. Comfortable conditions for being outdoors all day.
March in Conroe averages a daily high of 22.6°C with nights around 11.1°C. Expect roughly 6.9 wet days totalling 83.1mm. Comfortable conditions for being outdoors all day.
April in Conroe averages a daily high of 26.2°C with nights around 14.9°C. Expect roughly 6.6 wet days totalling 87.8mm. Comfortable conditions for being outdoors all day.
May in Conroe averages a daily high of 30.2°C with nights around 19.4°C. Expect roughly 6.5 wet days totalling 135.8mm. Generally workable, with some weather to plan around.
June in Conroe averages a daily high of 33.4°C with nights around 22.4°C. Expect roughly 7.3 wet days totalling 108.9mm. Generally workable, with some weather to plan around.
July in Conroe averages a daily high of 34.6°C with nights around 23.4°C. Expect roughly 7.6 wet days totalling 96.7mm. Demanding conditions — pack for it and plan indoor options.
August in Conroe averages a daily high of 35.2°C with nights around 23.7°C. Expect roughly 7.3 wet days totalling 114.6mm. Demanding conditions — pack for it and plan indoor options.
September in Conroe averages a daily high of 32.2°C with nights around 21.2°C. Expect roughly 6.7 wet days totalling 96.5mm. Generally workable, with some weather to plan around.
October in Conroe averages a daily high of 27.6°C with nights around 15.8°C. Expect roughly 6.6 wet days totalling 120.2mm. Comfortable conditions for being outdoors all day.
November in Conroe averages a daily high of 21.8°C with nights around 10.4°C. Expect roughly 7.2 wet days totalling 125.5mm. Comfortable conditions for being outdoors all day.
December in Conroe averages a daily high of 17.7°C with nights around 6.6°C. Expect roughly 8.7 wet days totalling 107.2mm. 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. Conroe peaks at 87.
Based on 30 years of records, February–April scores highest for comfort in Conroe, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 35.2°C.
May is the wettest, averaging 135.8mm of rain across roughly 6.5 wet days.
January is the coolest month, with average daily highs around 16.9°C.