| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 17.5° | 6.9° | 114mm | 10 | 72 |
| February | 19.2° | 9.1° | 67.3mm | 9.1 | 79 |
| March | 22.5° | 12.5° | 83.6mm | 9 | 82 |
| April | 25.5° | 15.7° | 95mm | 7.8 | 84 |
| May | 29.2° | 20.2° | 130.3mm | 7.5 | 76 |
| June | 32.1° | 23.3° | 158.6mm | 9.7 | 60 |
| July | 33.1° | 24° | 133mm | 10.5 | 55 |
| August | 33.5° | 24.1° | 174.9mm | 10.5 | 53 |
| September | 31.3° | 21.9° | 191.8mm | 10.4 | 62 |
| October | 27.4° | 16.7° | 142.6mm | 8.1 | 82 |
| November | 22.4° | 11.5° | 117mm | 8.1 | 84 |
| December | 18.7° | 8.1° | 113.4mm | 10.1 | 76 |
January in League City averages a daily high of 17.5°C with nights around 6.9°C. Expect roughly 10 wet days totalling 114mm. Generally workable, with some weather to plan around.
February in League City averages a daily high of 19.2°C with nights around 9.1°C. Expect roughly 9.1 wet days totalling 67.3mm. Comfortable conditions for being outdoors all day.
March in League City averages a daily high of 22.5°C with nights around 12.5°C. Expect roughly 9 wet days totalling 83.6mm. Comfortable conditions for being outdoors all day.
April in League City averages a daily high of 25.5°C with nights around 15.7°C. Expect roughly 7.8 wet days totalling 95mm. Comfortable conditions for being outdoors all day.
May in League City averages a daily high of 29.2°C with nights around 20.2°C. Expect roughly 7.5 wet days totalling 130.3mm. Comfortable conditions for being outdoors all day.
June in League City averages a daily high of 32.1°C with nights around 23.3°C. Expect roughly 9.7 wet days totalling 158.6mm. Generally workable, with some weather to plan around.
July in League City averages a daily high of 33.1°C with nights around 24°C. Expect roughly 10.5 wet days totalling 133mm. Generally workable, with some weather to plan around.
August in League City averages a daily high of 33.5°C with nights around 24.1°C. Expect roughly 10.5 wet days totalling 174.9mm. Demanding conditions — pack for it and plan indoor options.
September in League City averages a daily high of 31.3°C with nights around 21.9°C. Expect roughly 10.4 wet days totalling 191.8mm. Generally workable, with some weather to plan around.
October in League City averages a daily high of 27.4°C with nights around 16.7°C. Expect roughly 8.1 wet days totalling 142.6mm. Comfortable conditions for being outdoors all day.
November in League City averages a daily high of 22.4°C with nights around 11.5°C. Expect roughly 8.1 wet days totalling 117mm. Comfortable conditions for being outdoors all day.
December in League City averages a daily high of 18.7°C with nights around 8.1°C. Expect roughly 10.1 wet days totalling 113.4mm. 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. League City peaks at 84.
Based on 30 years of records, February–May scores highest for comfort in League City, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 33.5°C.
September is the wettest, averaging 191.8mm of rain across roughly 10.4 wet days.
January is the coolest month, with average daily highs around 17.5°C.