Climate Overview
The climate in Deder is warm and mild. The average annual temperature is 19°C and approximately 1062mm of precipitation falls per year. May is the wettest month, receiving around 243mm of rainfall. Deder sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Deder sees moderate temperature variation throughout the year, ranging from 12°C to 26°C. The warmest month is March, when average highs reach 26°C and the mean temperature sits around 21°C. December is the coolest month, with minimum temperatures around 12°C and an average of 17°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Deder is a moderately rainy area, receiving approximately 1062mm of precipitation annually, which averages out to around 89mm per month. The wettest month is May, averaging 243mm of rainfall. April and August also tend to see above-average precipitation. The driest month is January, with just 8mm. That's 235mm 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.
Wind
Deder is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 5km/h in winter, 5km/h in spring, 7km/h in summer, 5km/h in autumn.
Seasons
10 days until Autumn
It is currently summer in Deder, which began on June 21, 2026. Deder sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 26°C, while the coldest stretch bottoms out in December near 12°C. Autumn is next, beginning on September 23, 2026 (10 days from now).
Spring
Temperatures range from 16 to 26°C. Rainfall is heavy, totalling around 492mm across the season with a monthly average of 164mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 25°C. Precipitation is moderate at around 292mm for the season, averaging 97mm per month. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 13 to 24°C. Precipitation is moderate at around 248mm for the season, averaging 83mm per month. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 12 to 26°C. Precipitation is minimal, with only around 30mm for the entire season. Winds are generally light, averaging 5km/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 Deder is during January, February, March, June, September, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 44mm per month. 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 Deder 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.