Climate Overview
The climate in Henry Post Army Airfield is temperate. The average annual temperature is 17°C and approximately 810mm of precipitation falls per year. May is the wettest month, receiving around 143mm of rainfall. Henry Post Army Airfield 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, December, February, when temperatures can drop to 0°C. Light snow can occur between January and December.
Temperature
Temperatures in Henry Post Army Airfield vary considerably across the year, with a 35°C difference between the coldest and warmest months. July is the hottest month, with daytime highs reaching 35°C and an average of 29°C. January is the coolest month, with minimum temperatures around 0°C and an average of 5°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Henry Post Army Airfield is a moderately rainy area, receiving approximately 810mm of precipitation annually, which averages out to around 68mm per month. The wettest month is May, averaging 143mm of rainfall. April and September also tend to see above-average precipitation. The driest month is November, with just 24mm. That's 119mm less than May, 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. Light snowfall can occur between January and December, totalling around 15cm annually. December is the snowiest month with approximately 6cm.
Wind
Henry Post Army Airfield is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/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
3 days until Summer
It is currently spring in Henry Post Army Airfield, which began on March 20, 2026. Henry Post Army Airfield 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 35°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 7 to 28°C. Rainfall is heavy, totalling around 349mm across the season with a monthly average of 116mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 35°C. Rainfall is relatively light, with around 130mm over the season and a monthly average of 43mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 6 to 30°C. Precipitation is moderate at around 216mm for the season, averaging 72mm per month. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 0 to 15°C. Rainfall is relatively light, with around 115mm over the season and a monthly average of 38mm. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Henry Post Army Airfield is during October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 83mm per month. By contrast, July can be uncomfortably hot with highs reaching 35°C, while January is the coldest period with lows dropping to 0°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.
Monthly Climate Data
The table below shows monthly climate averages for Henry Post Army Airfield 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.