Climate averages 1991–2020
Ziway weather
in December.
A warm, very dry month: the 7th 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 Ziway: daytime highs average 24.8°C and nights cool to about 14.5°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 1.2 mm of rain on fewer than one day, which makes December a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 40 min on an average December day.
The nearest other city in this atlas is Mek’ī (26 km away). In December its highs average 25.8°C, 1.0°C warmer than Ziway, with 2.5 mm of rain.
Among the 40 cities listed in Ethiopia, Ziway ranks 19th of 40 for the warmest December highs and 2nd of 40 for the driest December (rainfall, lowest first). The mean December high of those 40 cities is 24.5°C; Ziway is 0.4°C warmer than that mean.
From December to January, average highs rise by 0.7°C to 25.5°C, and monthly rainfall rises from 1.2 mm to 3.3 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
Ziway climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.5°C14.8°C | 14.8°C | 3.3 | 0.9 | 11.712 h |
| February | 26.8°C15.8°C | 15.8°C | 6.4 | 1.4 | 11.912 h |
| March | 27.2°C16.9°C | 16.9°C | 28 | 5.3 | 12.112 h |
| April | 26.7°C17.3°C | 17.3°C | 56 | 9.8 | 12.312 h |
| May | 25.7°C16.9°C | 16.9°C | 70 | 10.9 | 12.512 h |
| June | 24.2°C16.5°C | 16.5°C | 27 | 6.2 | 12.613 h |
| July | 22.4°C15.9°C | 15.9°C | 67 | 15.8 | 12.513 h |
| August | 22.0°C15.7°C | 15.7°C | 107 | 20.7 | 12.412 h |
| September | 22.7°C15.6°C | 15.6°C | 114 | 19.3 | 12.212 h |
| October | 24.4°C15.7°C | 15.7°C | 50 | 6.2 | 12.012 h |
| November | 24.9°C15.2°C | 15.2°C | 7.3 | 1.3 | 11.812 h |
| December, selected | 24.8°C14.5°C | 14.5°C | 1.2 | 0.3 | 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
- Mek’ī in DecemberEthiopia · 26 kmHigh 25.8°C · Low 14.1°C · 2.5 mm rain
- Butajīra in DecemberEthiopia · 44 kmHigh 23.5°C · Low 11.3°C · 14 mm rain
- Arsi Negele in DecemberEthiopia · 65 kmHigh 22.2°C · Low 10.9°C · 27 mm rain
- Shashamane in DecemberEthiopia · 83 kmHigh 23.1°C · Low 11.1°C · 4.2 mm rain
- Nazrēt in DecemberEthiopia · 91 kmHigh 25.6°C · Low 12.2°C · 2.0 mm rain
- Bishoftu in DecemberEthiopia · 96 kmHigh 23.1°C · Low 9.0°C · 2.1 mm rain
- K’olīto in DecemberEthiopia · 98 kmHigh 25.8°C · Low 13.2°C · 4.8 mm rain
- Awasa in DecemberEthiopia · 100 kmHigh 25.1°C · Low 12.5°C · 11 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 Ziway) is explained once on the Ziway year overview and on the Sources, method and limits page.