Climate Overview
The climate in John Bell Williams Airport is warm and mild. The average annual temperature is 19°C and approximately 1471mm of precipitation falls per year. John Bell Williams Airport receives a notable amount of rainfall throughout the year, including during its driest month. John Bell Williams Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, December, November, when temperatures can drop to 5°C.
Temperature
Temperatures in John Bell Williams Airport vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 5°C and an average of 9°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.
Precipitation
John Bell Williams Airport is a fairly wet location, receiving approximately 1471mm of precipitation annually, which averages out to around 123mm per month. The wettest month is April, averaging 180mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 70mm. That's 109mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
John Bell Williams Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
94 days until Autumn
It is currently summer in John Bell Williams Airport, which began on June 21, 2026. John Bell Williams 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 33°C, while the coldest stretch bottoms out in January near 5°C. Autumn is next, beginning on September 23, 2026 — 94 days from now.
Spring
Temperatures range from 12 to 29°C. Rainfall is heavy, totalling around 434mm across the season with a monthly average of 145mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 33°C. Rainfall is heavy, totalling around 359mm across the season with a monthly average of 120mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 8 to 32°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 20°C. Rainfall is heavy, totalling around 416mm across the season with a monthly average of 139mm. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for John Bell Williams 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.
