Climate Overview
The climate in Dedza is warm and mild. The average annual temperature is 21°C and approximately 1219mm of precipitation falls per year. January is the wettest month, receiving around 332mm of rainfall. Dedza is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: November, October, December. The coldest months are July, June, August, when temperatures can drop to 12°C.
Temperature
Dedza sees moderate temperature variation throughout the year, ranging from 12°C to 28°C. The warmest month is November, when average highs reach 28°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 12°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between August and September, with a 2°C shift in average temperatures.
Precipitation
Dedza is a fairly wet location, receiving approximately 1219mm of precipitation annually, which averages out to around 102mm per month. The wettest month is January, averaging 332mm of rainfall. December and February also tend to see above-average precipitation. The driest month is September, with just 2mm. That's 329mm 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.
Wind
Dedza 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 October, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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
93 days until Spring
It is currently winter in Dedza, which began on June 21, 2026. Dedza is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in November at around 28°C, while the coldest stretch bottoms out in July near 12°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 17 to 28°C. Rainfall is relatively light, with around 119mm over the season and a monthly average of 40mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 19 to 26°C. Rainfall is heavy, totalling around 802mm across the season with a monthly average of 267mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 15 to 26°C. Precipitation is moderate at around 283mm for the season, averaging 94mm per month. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 12 to 24°C. Precipitation is minimal, with only around 14mm for the entire season. Winds are generally light, averaging 3km/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 Dedza is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 25mm per month. 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 Dedza 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.