Climate averages 1991–2020
Arsi Negele weather
in December.
A warm, fairly dry month: the 6th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Arsi Negele: daytime highs average 22.2°C and nights cool to about 10.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 27 mm of rain on roughly 5 days, which makes December a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 42 min on an average December day.
The nearest other city in this atlas is Shashamane (19 km away). In December its highs average 23.1°C, 0.9°C warmer than Arsi Negele, with 4.2 mm of rain.
Among the 40 cities listed in Ethiopia, Arsi Negele ranks 33rd of 40 for the warmest December highs and 37th of 40 for the driest December (rainfall, lowest first). The mean December high of those 40 cities is 24.5°C; Arsi Negele is 2.3°C cooler than that mean.
From December to January, average highs rise by 1.0°C to 23.2°C, and monthly rainfall rises from 27 mm to 33 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Arsi Negele climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.2°C11.3°C | 11.3°C | 33 | 6.6 | 11.712 h |
| February | 24.5°C11.9°C | 11.9°C | 40 | 6.3 | 11.912 h |
| March | 24.9°C13.4°C | 13.4°C | 114 | 13.5 | 12.112 h |
| April | 23.6°C14.2°C | 14.2°C | 263 | 22.3 | 12.312 h |
| May | 22.4°C13.9°C | 13.9°C | 332 | 28.0 | 12.512 h |
| June | 21.4°C13.4°C | 13.4°C | 198 | 28.1 | 12.513 h |
| July | 20.2°C13.4°C | 13.4°C | 193 | 28.4 | 12.513 h |
| August | 20.4°C13.4°C | 13.4°C | 248 | 29.1 | 12.412 h |
| September | 21.0°C13.2°C | 13.2°C | 369 | 29.3 | 12.212 h |
| October | 21.3°C13.1°C | 13.1°C | 261 | 22.0 | 12.012 h |
| November | 21.9°C11.9°C | 11.9°C | 68 | 8.8 | 11.812 h |
| December, selected | 22.2°C10.9°C | 10.9°C | 27 | 5.4 | 11.712 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Shashamane in DecemberEthiopia · 19 kmHigh 23.1°C · Low 11.1°C · 4.2 mm rain
- Awasa in DecemberEthiopia · 39 kmHigh 25.1°C · Low 12.5°C · 11 mm rain
- Ziway in DecemberEthiopia · 65 kmHigh 24.8°C · Low 14.5°C · 1.2 mm rain
- K’olīto in DecemberEthiopia · 65 kmHigh 25.8°C · Low 13.2°C · 4.8 mm rain
- Yirga ‘Alem in DecemberEthiopia · 73 kmHigh 25.2°C · Low 12.0°C · 26 mm rain
- Mek’ī in DecemberEthiopia · 90 kmHigh 25.8°C · Low 14.1°C · 2.5 mm rain
- Butajīra in DecemberEthiopia · 91 kmHigh 23.5°C · Low 11.3°C · 14 mm rain
- Hosa’ina in DecemberEthiopia · 93 kmHigh 22.8°C · Low 9.1°C · 19 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Arsi Negele) is explained once on the Arsi Negele year overview and on the Sources, method and limits page.