Climate & Weather in League City
League City shares Houston's humid subtropical climate (Köppen Cfa) -- hot, humid summers and mild winters -- with its Galveston Bay-adjacent location moderating temperature swings slightly relative to inland Houston. No League City-specific NOAA weather-station normals were found this session; the figures below come from third-party climate aggregators rather than a direct NOAA pull, and are disclosed as such.
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Learn moreSummer and Winter, in Round Numbers
Climate aggregators (BestPlaces, Weather Spark, climate-data.org, reviewed August 2026) put League City's annual temperature range at roughly 48.6°F to 90.5°F, with August as the warmest month (average around 83.3°F) and January the coolest (average high around 60.4°F, average low around 48.6°F). Annual precipitation is cited around 59 inches. These are aggregator figures, not a direct NOAA 1991-2020 normals pull for a League City-specific station -- treat them as broadly representative rather than precise.
Humidity Is a Year-Round Factor
As throughout the Gulf Coast, humidity is a near-constant feature of daily life in League City, described by climate sources as "uncomfortably humid" during the May-through-September stretch specifically, though present to some degree across most of the calendar. This is a real adjustment for anyone relocating from a drier or more northern climate, and it factors directly into air-conditioning costs (see the cost-of-living topic page).
Hurricane Season Overlaps the Warm Season
Atlantic hurricane season runs June 1 through November 30, overlapping most of League City's warm season. As covered on the insurance-hazard-costs topic page, League City's practical hurricane-season risk is driven by its Galveston Bay proximity -- storm surge pushed up the bay and heavy tropical rainfall -- rather than by being a direct Gulf-front target, but the risk is real and distinct from the purely inland Houston suburbs.
Key takeaways
- League City has a humid subtropical climate (Köppen Cfa) with an annual temperature range roughly 48.6°F-90.5°F per third-party aggregators -- no direct NOAA station-normals pull was found specifically for League City this session.
- Humidity is a near-constant factor, most pronounced May through September -- a real adjustment for anyone relocating from a drier climate.
- Hurricane season (June 1-November 30) overlaps most of the warm season; League City's practical risk is Galveston Bay-driven (storm surge and rainfall), covered fully on the insurance-hazard-costs topic page.
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