Climate Insights for Long Beach

The climate in Long Beach is warm and mild. The average annual temperature is 21°C and approximately 1641mm of precipitation falls per year. Long Beach receives a notable amount of rainfall throughout the year, including during its driest month. Long Beach is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to 10°C.

Long Beach sees moderate temperature variation throughout the year, ranging from 10°C to 30°C. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Long Beach is a fairly wet location, receiving approximately 1641mm of precipitation annually, which averages out to around 137mm per month. The wettest month is August, averaging 212mm of rainfall. June and July also tend to see above-average precipitation. The driest month is November, with just 86mm. That's 126mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Long Beach is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 19km/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. There is moderate seasonal variation in wind speed, with a 6km/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 18km/h in winter, 18km/h in spring, 14km/h in summer, 16km/h in autumn.

It is currently summer in Long Beach, which began on June 21, 2026. Long Beach 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 August at around 30°C, while the coldest stretch bottoms out in January near 10°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Long Beach is during October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 91mm per month. By contrast, August can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to 10°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 Long Beach 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.