Climate Insights for Benicia

The climate in Benicia is temperate. The average annual temperature is 15°C and approximately 504mm of precipitation falls per year. Gennaio is the wettest month, receiving around 111mm of rainfall. Benicia is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Settembre, Agosto, Luglio. The coldest months are Dicembre, Febbraio, Gennaio, when temperatures can drop to 6°C.

Temperatures in Benicia vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is Settembre, when average highs reach 29°C and the mean temperature sits around 20°C. Dicembre is the coolest month, with minimum temperatures around 6°C and an average of 10°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Benicia is a relatively dry area, receiving approximately 504mm of precipitation annually, which averages out to around 42mm per month. The wettest month is January, averaging 111mm of rainfall. December and March also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 111mm 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.

Benicia 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 June, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, 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 7km/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, 18km/h in summer, 14km/h in autumn.

It is currently winter in Benicia, which began on December 21, 2026. Benicia 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 Settembre at around 29°C, while the coldest stretch bottoms out in Dicembre near 6°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Benicia is during Maggio, Giugno, Luglio, Agosto, Settembre and Ottobre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 8mm per month. By contrast, Dicembre can be quite cold with temperatures dropping to 6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Benicia 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.