Climate Insights for Brea

The climate in Brea is temperate. The average annual temperature is 18°C and approximately 303mm of precipitation falls per year. Gennaio is the wettest month, receiving around 72mm of rainfall. Brea is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Agosto, Settembre, Luglio. The coldest months are Dicembre, Gennaio, Febbraio, when temperatures can drop to 10°C.

Brea sees moderate temperature variation throughout the year, ranging from 10°C to 27°C. The warmest month is Agosto, when average highs reach 27°C and the mean temperature sits around 23°C. Dicembre is the coolest month, with minimum temperatures around 10°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Brea is a quite dry location, receiving approximately 303mm of precipitation annually, which averages out to around 25mm per month. The wettest month is January, averaging 72mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 2mm. That's 70mm less than January, 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.

Brea 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 December, with average winds dropping to 13km/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 pick up during the summer months. The seasonal averages are 14km/h in winter, 18km/h in spring, 16km/h in summer, 15km/h in autumn.

It is currently spring in Brea, which began on March 20, 2026. Brea 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 27°C, while the coldest stretch bottoms out in Dicembre near 10°C. Summer is next, beginning on June 21, 2026 — 93 days from now.

The best time to visit Brea is during Marzo, Aprile, Maggio, Giugno, Luglio, Agosto, Settembre, Ottobre and Novembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 14mm per month. By contrast, Dicembre can be quite cold with temperatures dropping to 10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Brea 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.