Climate averages 1991–2020
Nkayi weather
in December.
A hot, wet month: the joint 8th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Nkayi: daytime highs average 29.8°C and nights cool to about 22.5°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 175 mm of rain on roughly 25 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average December day.
The nearest other city in this atlas is Dolisie (69 km away). In December its highs average 28.6°C, 1.3°C cooler than Nkayi, with 258 mm of rain.
Among the 4 cities listed in the Republic of the Congo, Nkayi ranks 1st of 4 for the warmest December highs and 3rd of 4 for the driest December (rainfall, lowest first). The mean December high of those 4 cities is 28.8°C; Nkayi is 1.0°C warmer than that mean.
From December to January, average highs rise by 0.4°C to 30.2°C, and monthly rainfall falls from 175 mm to 135 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
Nkayi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.2°C22.6°C | 22.6°C | 135 | 22.4 | 12.312 h |
| February | 30.8°C22.9°C | 22.9°C | 120 | 18.9 | 12.212 h |
| March | 31.0°C23.1°C | 23.1°C | 125 | 20.7 | 12.112 h |
| April | 30.5°C23.0°C | 23.0°C | 150 | 21.5 | 12.012 h |
| May | 30.2°C22.8°C | 22.8°C | 69 | 13.8 | 11.912 h |
| June | 29.0°C20.8°C | 20.8°C | 2.7 | 0.6 | 11.912 h |
| July | 28.8°C19.5°C | 19.5°C | 0.9 | 0.2 | 11.912 h |
| August | 28.9°C20.0°C | 20.0°C | 2.5 | 0.7 | 12.012 h |
| September | 29.8°C21.4°C | 21.4°C | 11 | 3.2 | 12.112 h |
| October | 30.9°C22.7°C | 22.7°C | 83 | 15.1 | 12.212 h |
| November | 30.2°C22.6°C | 22.6°C | 158 | 24.3 | 12.312 h |
| December, selected | 29.8°C22.5°C | 22.5°C | 175 | 25.1 | 12.412 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
- Dolisie in DecemberRepublic of the Congo · 69 kmHigh 28.6°C · Low 22.2°C · 258 mm rain
- Pointe-Noire in DecemberRepublic of the Congo · 171 kmHigh 28.0°C · Low 23.8°C · 135 mm rain
- Matadi in DecemberDemocratic Republic of the Congo · 185 kmHigh 29.4°C · Low 22.8°C · 175 mm rain
- Boma in DecemberDemocratic Republic of the Congo · 187 kmHigh 29.8°C · Low 23.5°C · 187 mm rain
- Cabinda in DecemberAngola · 195 kmHigh 27.7°C · Low 24.2°C · 198 mm rain
- Kimpese in DecemberDemocratic Republic of the Congo · 199 kmHigh 29.4°C · Low 21.9°C · 180 mm rain
- Mbanza-Ngungu in DecemberDemocratic Republic of the Congo · 211 kmHigh 26.9°C · Low 19.7°C · 205 mm rain
- Moanda, Democratic Republic of the Congo in DecemberDemocratic Republic of the Congo · 219 kmHigh 27.9°C · Low 23.9°C · 81 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 Nkayi) is explained once on the Nkayi year overview and on the Sources, method and limits page.