Climate averages 1991–2020
Nkayi weather
in May.
A hot, moderately wet month: the joint 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Nkayi: daytime highs average 30.2°C and nights cool to about 22.8°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 69 mm of rain on roughly 14 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average May day.
The nearest other city in this atlas is Dolisie (69 km away). In May its highs average 28.8°C, 1.4°C cooler than Nkayi, with 94 mm of rain.
Among the 4 cities listed in the Republic of the Congo, Nkayi ranks 1st of 4 for the warmest May highs and 2nd of 4 for the driest May (rainfall, lowest first). The mean May high of those 4 cities is 29.2°C; Nkayi is 1.0°C warmer than that mean.
From May to June, average highs fall by 1.2°C to 29.0°C, and monthly rainfall falls from 69 mm to 2.7 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Dolisie in MayRepublic of the Congo · 69 kmHigh 28.8°C · Low 22.3°C · 94 mm rain
- Pointe-Noire in MayRepublic of the Congo · 171 kmHigh 28.0°C · Low 23.7°C · 38 mm rain
- Matadi in MayDemocratic Republic of the Congo · 185 kmHigh 29.0°C · Low 22.8°C · 68 mm rain
- Boma in MayDemocratic Republic of the Congo · 187 kmHigh 29.5°C · Low 23.3°C · 63 mm rain
- Cabinda in MayAngola · 195 kmHigh 27.6°C · Low 24.1°C · 70 mm rain
- Kimpese in MayDemocratic Republic of the Congo · 199 kmHigh 29.5°C · Low 22.1°C · 69 mm rain
- Mbanza-Ngungu in MayDemocratic Republic of the Congo · 211 kmHigh 27.4°C · Low 19.8°C · 95 mm rain
- Moanda, Democratic Republic of the Congo in MayDemocratic Republic of the Congo · 219 kmHigh 27.7°C · Low 23.8°C · 28 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.