Climate Overview
The climate in Harrison is hot. The average annual temperature is 27°C and approximately 3058mm of precipitation falls per year. July is the wettest month, receiving around 675mm of rainfall. Harrison is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are February, January, March, when temperatures can drop to 24°C.
Temperature
Harrison has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Harrison is a very wet location, receiving approximately 3058mm of precipitation annually, which averages out to around 255mm per month. The wettest month is July, averaging 675mm of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 16mm. That's 660mm less than July, 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.
Wind
Harrison is moderately windy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 26km/h in winter, 18km/h in spring, 18km/h in summer, 20km/h in autumn.
Seasons
86 days until Summer
It is currently spring in Harrison, which began on March 20, 2026. Harrison 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 April at around 30°C, while the coldest stretch bottoms out in February near 24°C. Summer is next, beginning on June 21, 2026 — 86 days from now.
Spring
Temperatures range from 25 to 30°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Winds are moderate at around 18km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 1642mm across the season with a monthly average of 547mm. Winds are moderate at around 18km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 975mm across the season with a monthly average of 325mm. Winds are moderate at around 20km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 28°C. Precipitation is moderate at around 230mm for the season, averaging 77mm per month. Winds are strong, averaging 26km/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 Harrison 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.