Climate Insights for Dēra

Oromiya Region, Ethiopia

Hottest
March
29°C peak
Coldest
December
11°C low
Wettest
August
181mm rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Dēra is warm and mild. The average annual temperature is 20°C and approximately 818mm of precipitation falls per year. August is the wettest month, receiving around 181mm of rainfall. Dēra sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 18° Min: 11° Feb Max: 28° Average: 20° Min: 13° Mar Max: 29° Average: 22° Min: 15° Apr Max: 28° Average: 22° Min: 16° May Max: 28° Average: 21° Min: 15° Jun Max: 27° Average: 20° Min: 15° Jul Max: 24° Average: 18° Min: 14° Aug Max: 23° Average: 18° Min: 14° Sep Max: 25° Average: 19° Min: 14° Oct Max: 26° Average: 20° Min: 14° Nov Max: 26° Average: 19° Min: 12° Dec Max: 26° Average: 18° Min: 11°
Max
Average
Min

Dēra sees moderate temperature variation throughout the year, ranging from 11°C to 29°C. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 22°C. December is the coolest month, with minimum temperatures around 11°C and an average of 18°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 6mm Feb Precipitation: 6mm Mar Precipitation: 41mm Apr Precipitation: 92mm May Precipitation: 96mm Jun Precipitation: 66mm Jul Precipitation: 159mm Aug Precipitation: 181mm Sep Precipitation: 128mm Oct Precipitation: 29mm Nov Precipitation: 12mm Dec Precipitation: 2mm
Precipitation

Dēra is a moderately rainy area, receiving approximately 818mm of precipitation annually, which averages out to around 68mm per month. The wettest month is August, averaging 181mm of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 2mm. That's 179mm 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

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 8km/h May Wind Speed: 7km/h Jun Wind Speed: 6km/h Jul Wind Speed: 6km/h Aug Wind Speed: 6km/h Sep Wind Speed: 6km/h Oct Wind Speed: 8km/h Nov Wind Speed: 9km/h Dec Wind Speed: 8km/h
Wind Speed

Dēra is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 6km/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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9km/h in winter, 8km/h in spring, 6km/h in summer, 8km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

10 days until Autumn

It is currently summer in Dēra, which began on June 21, 2026. Dēra 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 29°C, while the coldest stretch bottoms out in December near 11°C. Autumn is next, beginning on September 23, 2026 (10 days from now).

Spring

Temperatures range from 15 to 29°C. Precipitation is moderate at around 230mm for the season, averaging 77mm per month. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 27°C. Rainfall is heavy, totalling around 406mm across the season with a monthly average of 135mm. 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 26°C. Precipitation is moderate at around 169mm for the season, averaging 56mm per month. Winds are generally light, averaging 8km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.

Winter

Temperatures range from 11 to 28°C. Precipitation is minimal, with only around 14mm for the entire season. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 18°
Feb 20°
Mar 22°
Apr 22°
May 21°
Jun 20°
Jul 18°
Aug 18°
Sep 19°
Oct 20°
Nov 19°
Dec 18°

The best time to visit Dēra is during January, February, March, April, May, June, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 39mm 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 Dēra 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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
11 °C
27 °C
8 km/h
6 mm
0 cm
Feb
13 °C
28 °C
9 km/h
6 mm
0 cm
Mar
15 °C
29 °C
9 km/h
41 mm
0 cm
Apr
16 °C
28 °C
8 km/h
92 mm
0 cm
May
15 °C
28 °C
7 km/h
96 mm
0 cm
Jun
15 °C
27 °C
6 km/h
66 mm
0 cm
Jul
14 °C
24 °C
6 km/h
159 mm
0 cm
Aug
14 °C
23 °C
6 km/h
181 mm
0 cm
Sep Current
14 °C
25 °C
6 km/h
128 mm
0 cm
Oct
14 °C
26 °C
8 km/h
29 mm
0 cm
Nov
12 °C
26 °C
9 km/h
12 mm
0 cm
Dec
11 °C
26 °C
8 km/h
2 mm
0 cm
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Metric (°C, km/h)