Climate Insights for Foster Ranch Airport

The climate in Foster Ranch Airport is warm and mild. The average annual temperature is 20°C and approximately 662mm of precipitation falls per year. Foster Ranch Airport receives a notable amount of rainfall throughout the year, including during its driest month. Foster Ranch Airport 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, February, December, when temperatures can drop to 5°C.

Temperatures in Foster Ranch Airport vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 34°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 5°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 6°C shift in average temperatures.

Foster Ranch Airport is a relatively dry area, receiving approximately 662mm of precipitation annually, which averages out to around 55mm per month. The wettest month is May, averaging 115mm of rainfall. April and September also tend to see above-average precipitation. The driest month is January, with just 32mm. That's 84mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Foster Ranch Airport 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 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 15km/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.

It is currently spring in Foster Ranch Airport, which began on March 20, 2026. Foster Ranch Airport 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 34°C, while the coldest stretch bottoms out in January near 5°C. Summer is next, beginning on June 21, 2026 — 84 days from now.

The best time to visit Foster Ranch Airport is during March, April and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 66mm per month. By contrast, August can be uncomfortably hot with highs reaching 34°C, while January is the coldest period with lows dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Foster Ranch Airport 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.