Climate averages 1991–2020
Keren weather
in December.
A warm, very dry month: the 11th warmest and the joint 2nd 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 Keren: daytime highs average 26.3°C and nights cool to about 14.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical December (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 13 min on an average December day.
The nearest other city in this atlas is Asmara (71 km away). In December its highs average 20.3°C, 6.0°C cooler than Keren, with 36 mm of rain.
Among the 2 cities listed in Eritrea, Keren ranks 1st of 2 for the warmest December highs and 1st of 2 for the driest December (rainfall, lowest first). The mean December high of those 2 cities is 23.3°C; Keren is 3.0°C warmer than that mean.
From December to January, average highs rise by 0.1°C to 26.4°C, and monthly rainfall stays under 1 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
Keren climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.4°C14.0°C | 14.0°C | 0.5 | 0.1 | 11.311 h |
| February | 28.1°C14.4°C | 14.4°C | 0.6 | 0.1 | 11.612 h |
| March | 29.9°C15.6°C | 15.6°C | 5.3 | 1.8 | 12.012 h |
| April | 31.3°C17.3°C | 17.3°C | 13 | 4.9 | 12.512 h |
| May | 32.3°C18.6°C | 18.6°C | 20 | 5.6 | 12.913 h |
| June | 30.7°C19.7°C | 19.7°C | 42 | 11.0 | 13.013 h |
| July | 26.4°C18.1°C | 18.1°C | 86 | 20.1 | 13.013 h |
| August | 25.1°C17.9°C | 17.9°C | 193 | 28.3 | 12.713 h |
| September | 27.9°C17.4°C | 17.4°C | 123 | 16.8 | 12.212 h |
| October | 28.7°C14.9°C | 14.9°C | 6.2 | 1.6 | 11.812 h |
| November | 27.4°C14.9°C | 14.9°C | 3.1 | 0.9 | 11.411 h |
| December, selected | 26.3°C14.5°C | 14.5°C | 0.6 | 0.1 | 11.211 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
- Asmara in DecemberEritrea · 71 kmHigh 20.3°C · Low 10.1°C · 36 mm rain
- Adwa in DecemberEthiopia · 186 kmHigh 25.7°C · Low 9.4°C · 2.1 mm rain
- Aksum in DecemberEthiopia · 187 kmHigh 24.6°C · Low 9.4°C · 1.4 mm rain
- Inda Silasē in DecemberEthiopia · 187 kmHigh 26.4°C · Low 12.8°C · 1.1 mm rain
- Ādīgrat in DecemberEthiopia · 199 kmHigh 20.6°C · Low 9.1°C · 31 mm rain
- Kassala in DecemberSudan · 223 kmHigh 33.7°C · Low 18.9°C · 0.1 mm rain
- Mek'ele in DecemberEthiopia · 277 kmHigh 22.4°C · Low 10.4°C · 9.8 mm rain
- Al Qadarif in DecemberSudan · 382 kmHigh 34.9°C · Low 20.5°C · 0.1 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 Keren) is explained once on the Keren year overview and on the Sources, method and limits page.