Does Weather Actually Affect Football?
Every football fan has an opinion about how rain, wind, or cold affects a match. But what does the data actually show? The short answer: weather has a measurable but modest effect on match outcomes, and it matters more in some contexts than others.
Research across thousands of matches shows that extreme weather conditions — heavy rain, strong winds, or very cold temperatures — tend to reduce the number of goals scored, increase the rate of errors, and slightly advantage teams that are accustomed to those conditions.
Weather doesn't change which team is better. It changes the style of play, which can amplify or reduce existing advantages.
Rain and Wet Pitches
Rain makes the pitch faster and the ball harder to control. This tends to benefit direct, physical teams and disadvantage teams that rely on intricate passing in tight spaces. On a wet pitch, long balls skip through faster, crosses become harder to judge, and goalkeepers face more unpredictable bounces.
Statistically, heavy rain correlates with a slight increase in goals from set pieces and a slight decrease in open-play goals from short passing sequences. The effect is small — typically less than 0.2 goals per match — but real across thousands of fixtures.
For match analysis, rain is most relevant when one team plays a possession-heavy style and the other prefers direct football. The conditions can narrow the quality gap between the two approaches.
Wind
Wind is the most underrated weather factor in football. Strong crosswinds or headwinds directly affect long passes, crosses, and goal kicks. Teams playing into a strong headwind in the first half often adjust their tactics, playing shorter and avoiding aerial balls.
Wind can also affect set pieces significantly. Free kicks and corners that would normally curve into dangerous areas can be pushed off target. Teams with a strong set piece threat may find their advantage reduced in windy conditions.
The direction of play matters too. A team might dominate with the wind at their back in the first half, only to struggle against it in the second.
Temperature Extremes
Very cold temperatures (below 5°C) tend to make pitches harder and faster, similar to rain. Very hot temperatures (above 30°C) lead to fatigue and slower play in the second half, particularly for teams with less squad depth.
Heat is most impactful in cups and international tournaments where teams may not be acclimatized. In domestic leagues, teams are generally adapted to their region's climate. However, fixture congestion combined with heat can amplify fatigue effects.
How xGoal Uses Weather Data
At xGoal, weather impact is one of 29 signals in the pre-match analysis. The engine doesn't overweight it — weather alone rarely changes the fundamental balance of a match. But in specific contexts (heavy rain + possession team vs direct team, or extreme heat + fixture congestion), weather can meaningfully affect the probability ranges.
The weather signal works alongside venue, form, and availability signals. A team playing away in unfamiliar weather conditions while dealing with fixture congestion faces a compound disadvantage that no single signal would capture alone.
Key Takeaways
- Weather doesn't change which team is better — it changes the style of play
- Heavy rain: slight increase in set-piece goals, slight decrease in passing-based goals
- Wind is the most underrated weather factor, especially for set pieces
- The effect is modest (< 0.2 goals/match) but real and measurable
Explore the Methodology
Dive deeper into the signals mentioned in this article.