Climate Overview
The climate in Geraldton (Greenstone Regional) Airport is cold. The average annual temperature is 2°C and approximately 684mm of precipitation falls per year. September is the wettest month, receiving around 83mm of rainfall. Geraldton (Greenstone Regional) 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 February, January, December, when temperatures can drop to -20°C. Snowfall occurs from January to December, with around 173cm accumulating over the season.
Temperature
Geraldton (Greenstone Regional) Airport has a wide annual temperature range, spanning 44°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 18°C. February brings the harshest conditions, with lows dropping to -20°C and an average temperature of -15°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.
Precipitation
Geraldton (Greenstone Regional) Airport is a relatively dry area, receiving approximately 684mm of precipitation annually, which averages out to around 57mm per month. The wettest month is September, averaging 83mm of rainfall. August and June also tend to see above-average precipitation. The driest month is January, with just 26mm. That's 57mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 173cm accumulating over the season. November typically sees the most snow at around 33cm.
Wind
Geraldton (Greenstone Regional) Airport 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 November, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Geraldton (Greenstone Regional) Airport, which began on March 20, 2026. Geraldton (Greenstone Regional) 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 24°C, while the coldest stretch bottoms out in February near -20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -13 to 15°C. Precipitation is moderate at around 157mm for the season, averaging 52mm per month. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 9 to 24°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Winds are moderate at around 17km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 18°C. Precipitation is moderate at around 212mm for the season, averaging 71mm per month. Expect around 45cm of snow accumulation during this period. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -20 to -7°C. Rainfall is relatively light, with around 106mm over the season and a monthly average of 35mm. Expect around 76cm of snow accumulation during this period. Winds are moderate at around 17km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Geraldton (Greenstone Regional) Airport is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 69mm per month. By contrast, February can be quite cold with temperatures dropping to -20°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Geraldton (Greenstone Regional) 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.
