Climate Insights for Big Coppitt Key

The climate in Big Coppitt Key is hot. The average annual temperature is 26°C and approximately 856mm of precipitation falls per year. Settembre is the wettest month, receiving around 146mm of rainfall. Big Coppitt Key is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Agosto, Luglio, Settembre. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to 21°C.

Big Coppitt Key has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is Agosto, when average highs reach 30°C and the mean temperature sits around 29°C. Gennaio is the coolest month, with minimum temperatures around 21°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Big Coppitt Key is a moderately rainy area, receiving approximately 856mm of precipitation annually, which averages out to around 71mm per month. The wettest month is September, averaging 146mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 23mm. That's 123mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Big Coppitt Key is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 29km/h in winter, 27km/h in spring, 23km/h in summer, 27km/h in autumn.

It is currently winter in Big Coppitt Key, which began on December 21, 2026. Big Coppitt Key is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Agosto at around 30°C, while the coldest stretch bottoms out in Gennaio near 21°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Big Coppitt Key is during Gennaio, Febbraio, Marzo, Aprile and Dicembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 34mm per month. By contrast, Agosto can be uncomfortably hot with temperatures reaching 30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Big Coppitt Key based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.