Climate Overview
The climate in Porter Ranch Airport is temperate. The average annual temperature is 10°C and approximately 559mm of precipitation falls per year. January is the wettest month, receiving around 150mm of rainfall. Porter Ranch Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -3°C. Porter Ranch Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Porter Ranch Airport vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 7°C shift in average temperatures.
Precipitation
Porter Ranch Airport is a relatively dry area, receiving approximately 559mm of precipitation annually, which averages out to around 47mm per month. The wettest month is January, averaging 150mm of rainfall. March and February also tend to see above-average precipitation. The driest month is September, with just 5mm. That's 146mm 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. Porter Ranch Airport receives heavy snowfall, accumulating around 256cm annually from January through December. The snowiest month is January, with approximately 86cm. Winter travel should account for significant snow cover.
Wind
Porter Ranch Airport is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
76 days until Autumn
It is currently summer in Porter Ranch Airport, which began on June 21, 2026. Porter 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 July at around 29°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 — 76 days from now.
Spring
Temperatures range from -1 to 18°C. Precipitation is moderate at around 186mm for the season, averaging 62mm per month. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 11 to 29°C. Precipitation is minimal, with only around 19mm for the entire season. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 1 to 25°C. Rainfall is relatively light, with around 56mm over the season and a monthly average of 19mm. Expect around 25cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -3 to 8°C. Precipitation is moderate at around 297mm for the season, averaging 99mm per month. Expect around 170cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Porter Ranch Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 6mm per month. By contrast, January can be quite cold with temperatures dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Porter 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.