Climate Overview
The climate in Belle Isle is warm and mild. The average annual temperature is 23°C and approximately 1264mm of precipitation falls per year. Belle Isle receives a notable amount of rainfall throughout the year, including during its driest month. Belle Isle 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.
Temperature
Temperatures in Belle Isle 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 16°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.
Precipitation
Belle Isle is a fairly wet location, receiving approximately 1264mm of precipitation annually, which averages out to around 105mm per month. The wettest month is August, averaging 209mm of rainfall. September and July also tend to see above-average precipitation. The driest month is November, with just 38mm. That's 172mm 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.
Wind
Belle Isle is mildly breezy, with an average annual wind speed of 16km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/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 16km/h in winter, 17km/h in spring, 14km/h in summer, 15km/h in autumn.
Seasons
2 days until Spring
It is currently winter in Belle Isle, which began on December 21, 2026. Belle Isle 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. Spring is next, beginning on March 20, 2026 — 2 days from now.
Spring
Temperatures range from 16 to 31°C. Precipitation is moderate at around 203mm for the season, averaging 68mm per month. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 583mm across the season with a monthly average of 194mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 31°C. Rainfall is heavy, totalling around 323mm across the season with a monthly average of 108mm. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 24°C. Precipitation is moderate at around 154mm for the season, averaging 51mm per month. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Belle Isle 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.
Monthly Climate Data
The table below shows monthly climate averages for Belle Isle 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.