Climate Insights for Casselberry

The climate in Casselberry is warm and mild. The average annual temperature is 23°C and approximately 1209mm of precipitation falls per year. Casselberry receives a notable amount of rainfall throughout the year, including during its driest month. Casselberry is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to 11°C.

Temperatures in Casselberry vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 32°C and the mean temperature sits around 28°C. Gennaio is the coolest month, with minimum temperatures around 11°C and an average of 15°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Casselberry is a fairly wet location, receiving approximately 1209mm of precipitation annually, which averages out to around 101mm per month. The wettest month is August, averaging 201mm of rainfall. September and July also tend to see above-average precipitation. The driest month is November, with just 39mm. That's 162mm less than August, 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.

Casselberry is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap 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 16km/h in winter, 16km/h in spring, 13km/h in summer, 14km/h in autumn.

It is currently spring in Casselberry, which began on March 20, 2026. Casselberry 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 Luglio at around 32°C, while the coldest stretch bottoms out in Gennaio near 11°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

The best time to visit Casselberry is during Gennaio, Febbraio, Marzo, Aprile, Ottobre, Novembre and Dicembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 57mm per month. By contrast, Luglio can be uncomfortably hot with temperatures reaching 32°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 Casselberry 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.