Climate Insights for Bellaire

The climate in Bellaire is warm and mild. The average annual temperature is 22°C and approximately 1334mm of precipitation falls per year. Bellaire receives a notable amount of rainfall throughout the year, including during its driest month. Bellaire is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Agosto, Luglio, Giugno. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to 8°C.

Temperatures in Bellaire vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is Agosto, when average highs reach 34°C and the mean temperature sits around 29°C. Gennaio is the coolest month, with minimum temperatures around 8°C and an average of 13°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 5°C shift in average temperatures.

Bellaire is a fairly wet location, receiving approximately 1334mm of precipitation annually, which averages out to around 111mm per month. The wettest month is May, averaging 158mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 58mm. That's 100mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Bellaire is mildly breezy, with an average annual wind speed of 18km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 20km/h in winter, 20km/h in spring, 16km/h in summer, 16km/h in autumn.

It is currently winter in Bellaire, which began on December 21, 2026. Bellaire 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 34°C, while the coldest stretch bottoms out in Gennaio near 8°C. Spring is next, beginning on March 20, 2026 — 2 days from now.

The best time to visit Bellaire is during Marzo, Aprile, Ottobre and Novembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 94mm per month. By contrast, Agosto can be uncomfortably hot with highs reaching 34°C, while Gennaio is the coldest period with lows dropping to 8°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Bellaire 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.