Climate Overview
The climate in Debre Sīna is warm and mild. The average annual temperature is 18°C and approximately 1676mm of precipitation falls per year. August is the wettest month, receiving around 470mm of rainfall. Debre Sīna sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Debre Sīna sees moderate temperature variation throughout the year, ranging from 11°C to 26°C. The warmest month is June, when average highs reach 26°C and the mean temperature sits around 21°C. December is the coolest month, with minimum temperatures around 11°C and an average of 16°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Debre Sīna is a fairly wet location, receiving approximately 1676mm of precipitation annually, which averages out to around 140mm per month. The wettest month is August, averaging 470mm of rainfall. July and April also tend to see above-average precipitation. The driest month is December, with just 11mm. That's 458mm less than August, 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
Debre Sīna 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 October, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in Debre Sīna, which began on June 21, 2026. Debre Sīna sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in June at around 26°C, while the coldest stretch bottoms out in December near 11°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 14 to 25°C. Rainfall is heavy, totalling around 462mm across the season with a monthly average of 154mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 880mm across the season with a monthly average of 293mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 12 to 23°C. Precipitation is moderate at around 233mm for the season, averaging 78mm per month. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 23°C. Rainfall is relatively light, with around 100mm over the season and a monthly average of 33mm. Winds are generally light, averaging 6km/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 Debre Sīna is during January, February, June, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 38mm 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 Debre Sīna 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.
