Nkayi weather in May
In May, Nkayi sees average daytime highs of 31°C and overnight lows near 23°C, with 69 mm of rain across 13.9 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.
Highs ease over the month, from about 31°C in the first days to 30°C by the end. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Nkayi's 1st-clearest and 8th-windiest month. For the whole year in context, see Nkayi's year-round climate.
- Daytime high
- 31°
- 7th warmest
- Overnight low
- 23°
- 7th coldest
- Rainfall
- 69 mm
- 13.9 wet days
- Daylight
- 11 h 48 min
- 6:09 AM – 5:57 PM
- Cloud cover
- 76%
- 1st clearest
- Wind
- 4 km/h
- 8th windiest
- Solar energy
- 4 kWh/m²
- Travel score
- 4.2
- out of 10
Nkayi is city in Bouenza department, Republic of Congo.
- Density
- 6,867/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs ease over the month, from about 31°C in the first days to 30°C by the end.
A typical May day in Nkayi reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 23 |
| 2 | 31 | 23 |
| 3 | 31 | 23 |
| 4 | 31 | 23 |
| 5 | 31 | 23 |
| 6 | 31 | 23 |
| 7 | 31 | 23 |
| 8 | 31 | 23 |
| 9 | 31 | 23 |
| 10 | 31 | 23 |
| 11 | 31 | 23 |
| 12 | 31 | 23 |
| 13 | 31 | 23 |
| 14 | 31 | 23 |
| 15 | 31 | 23 |
| 16 | 31 | 23 |
| 17 | 31 | 23 |
| 18 | 31 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 22 |
| 24 | 30 | 22 |
| 25 | 30 | 22 |
| 26 | 30 | 22 |
| 27 | 30 | 22 |
| 28 | 30 | 22 |
| 29 | 30 | 22 |
| 30 | 29 | 22 |
| 31 | 29 | 22 |
How May really feels in Nkayi
Once humidity and wind are folded in, May averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nkayi weather by month
How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 135 | 22.6 | 12.2 | 3.2 |
| Feb | 31° / 23° | 118 | 18.8 | 12.1 | 3.1 |
| Mar | 32° / 23° | 125 | 20.8 | 12 | 3.0 |
| Apr | 31° / 23° | 150 | 21.5 | 11.9 | 3.0 |
| May | 31° / 23° | 69 | 13.9 | 11.8 | 4.2 |
| Jun | 28° / 21° | 3 | 0.6 | 11.8 | 6.7 |
| Jul | 28° / 19° | 1 | 0.2 | 11.8 | 7.3 |
| Aug | 28° / 20° | 3 | 0.7 | 11.9 | 6.8 |
| Sep | 29° / 21° | 11 | 3.2 | 12 | 5.6 |
| Oct | 31° / 23° | 83 | 15.2 | 12.1 | 3.8 |
| Nov | 31° / 23° | 158 | 24.3 | 12.2 | 3.0 |
| Dec | 30° / 23° | 175 | 25.1 | 12.2 | 3.0 |
Cloud cover in May
The sky is clear or mostly clear about 3% of the time in May, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 80%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 17 | 18 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 25 | 26 | 25 | 25 | 24 | 23 | 23 | 22 | 21 | 20 | 19 | 17 | 17 | 16 | 17 |
| Cloudier (%) | 87 | 86 | 86 | 85 | 85 | 84 | 83 | 83 | 82 | 80 | 79 | 78 | 77 | 76 | 76 | 75 | 75 | 74 | 75 | 75 | 76 | 77 | 77 | 78 | 79 | 80 | 81 | 83 | 83 | 84 | 83 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 13 | 87 |
| 2 | 14 | 86 |
| 3 | 14 | 86 |
| 4 | 15 | 85 |
| 5 | 15 | 85 |
| 6 | 16 | 84 |
| 7 | 17 | 83 |
| 8 | 17 | 83 |
| 9 | 18 | 82 |
| 10 | 20 | 80 |
| 11 | 21 | 79 |
| 12 | 22 | 78 |
| 13 | 23 | 77 |
| 14 | 24 | 76 |
| 15 | 24 | 76 |
| 16 | 25 | 75 |
| 17 | 25 | 75 |
| 18 | 26 | 74 |
| 19 | 25 | 75 |
| 20 | 25 | 75 |
| 21 | 24 | 76 |
| 22 | 23 | 77 |
| 23 | 23 | 77 |
| 24 | 22 | 78 |
| 25 | 21 | 79 |
| 26 | 20 | 80 |
| 27 | 19 | 81 |
| 28 | 17 | 83 |
| 29 | 17 | 83 |
| 30 | 16 | 84 |
| 31 | 17 | 83 |
Chance of precipitation in May
Nkayi gets around 69 mm of rain over 13.9 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 45% and peaks near 71% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 71 | 71 | 70 | 68 | 67 | 66 | 64 | 63 | 61 | 59 | 57 | 55 | 53 | 50 | 48 | 46 | 43 | 41 | 38 | 36 | 33 | 31 | 29 | 27 | 25 | 23 | 21 | 19 | 17 | 15 | 14 |
| Rain chance (%) | |
|---|---|
| 1 | 71 |
| 2 | 71 |
| 3 | 70 |
| 4 | 68 |
| 5 | 67 |
| 6 | 66 |
| 7 | 64 |
| 8 | 63 |
| 9 | 61 |
| 10 | 59 |
| 11 | 57 |
| 12 | 55 |
| 13 | 53 |
| 14 | 50 |
| 15 | 48 |
| 16 | 46 |
| 17 | 43 |
| 18 | 41 |
| 19 | 38 |
| 20 | 36 |
| 21 | 33 |
| 22 | 31 |
| 23 | 29 |
| 24 | 27 |
| 25 | 25 |
| 26 | 23 |
| 27 | 21 |
| 28 | 19 |
| 29 | 17 |
| 30 | 15 |
| 31 | 14 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 9 | 10 | 11 | 13 | 15 | 16 | 18 | 20 | 22 | 25 | 27 | 30 | 33 | 36 | 39 |
| Oppressive (%) | 93 | 94 | 94 | 94 | 95 | 94 | 94 | 95 | 94 | 95 | 94 | 94 | 94 | 93 | 92 | 92 | 90 | 89 | 88 | 86 | 84 | 83 | 82 | 80 | 78 | 75 | 73 | 70 | 67 | 64 | 61 |
| Miserable (%) | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 93 | 7 |
| 2 | 0 | 94 | 6 |
| 3 | 0 | 94 | 6 |
| 4 | 0 | 94 | 6 |
| 5 | 0 | 95 | 5 |
| 6 | 1 | 94 | 5 |
| 7 | 1 | 94 | 5 |
| 8 | 1 | 95 | 4 |
| 9 | 2 | 94 | 4 |
| 10 | 2 | 95 | 3 |
| 11 | 3 | 94 | 3 |
| 12 | 3 | 94 | 3 |
| 13 | 4 | 94 | 2 |
| 14 | 5 | 93 | 2 |
| 15 | 6 | 92 | 2 |
| 16 | 7 | 92 | 1 |
| 17 | 9 | 90 | 1 |
| 18 | 10 | 89 | 1 |
| 19 | 11 | 88 | 1 |
| 20 | 13 | 86 | 1 |
| 21 | 15 | 84 | 1 |
| 22 | 16 | 83 | 1 |
| 23 | 18 | 82 | 0 |
| 24 | 20 | 80 | 0 |
| 25 | 22 | 78 | 0 |
| 26 | 25 | 75 | 0 |
| 27 | 27 | 73 | 0 |
| 28 | 30 | 70 | 0 |
| 29 | 33 | 67 | 0 |
| 30 | 36 | 64 | 0 |
| 31 | 39 | 61 | 0 |
Wind in May
Winds average 4 km/h in May.
Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in May
Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over May. Sunrise moves from 6:08 AM to 6:11 AM, and sunset from 6:00 PM to 5:58 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 |
| Sunset (PM) | 6:00 | 5:59 | 5:59 | 5:59 | 5:59 | 5:59 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:08 | 6:00 |
| 2 | 11.9 | 6:08 | 5:59 |
| 3 | 11.8 | 6:08 | 5:59 |
| 4 | 11.8 | 6:08 | 5:59 |
| 5 | 11.8 | 6:08 | 5:59 |
| 6 | 11.8 | 6:08 | 5:59 |
| 7 | 11.8 | 6:08 | 5:58 |
| 8 | 11.8 | 6:08 | 5:58 |
| 9 | 11.8 | 6:08 | 5:58 |
| 10 | 11.8 | 6:08 | 5:58 |
| 11 | 11.8 | 6:08 | 5:58 |
| 12 | 11.8 | 6:08 | 5:58 |
| 13 | 11.8 | 6:09 | 5:58 |
| 14 | 11.8 | 6:09 | 5:58 |
| 15 | 11.8 | 6:09 | 5:57 |
| 16 | 11.8 | 6:09 | 5:57 |
| 17 | 11.8 | 6:09 | 5:57 |
| 18 | 11.8 | 6:09 | 5:57 |
| 19 | 11.8 | 6:09 | 5:57 |
| 20 | 11.8 | 6:09 | 5:57 |
| 21 | 11.8 | 6:09 | 5:57 |
| 22 | 11.8 | 6:09 | 5:57 |
| 23 | 11.8 | 6:10 | 5:57 |
| 24 | 11.8 | 6:10 | 5:57 |
| 25 | 11.8 | 6:10 | 5:57 |
| 26 | 11.8 | 6:10 | 5:57 |
| 27 | 11.8 | 6:10 | 5:57 |
| 28 | 11.8 | 6:10 | 5:57 |
| 29 | 11.8 | 6:11 | 5:57 |
| 30 | 11.8 | 6:11 | 5:57 |
| 31 | 11.8 | 6:11 | 5:58 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 4 kWh/m².
For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 5 kWh/m² in March across the year — May's 4 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.3 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.2 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.1 | Bright |
| 11 | 4.1 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.0 | Bright |
| 18 | 4.0 | Moderate |
| 19 | 4.0 | Moderate |
| 20 | 3.9 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 3.8 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.7 | Moderate |
| 27 | 3.7 | Moderate |
| 28 | 3.7 | Moderate |
| 29 | 3.6 | Moderate |
| 30 | 3.6 | Moderate |
| 31 | 3.6 | Moderate |
Hazard calendar for Nkayi
None of Nkayi's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Nkayi's rainy season runs October–April, when most of the year's rain falls.
Is May a good time to visit Nkayi?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Nkayi for sightseeing.
What to pack for Nkayi in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Nkayi sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear. About 14 days see rain.
UV index in Nkayi in May
Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nkayi peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 15 | 13 | 9 | 6 | 7 | 7 | 11 | 14 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | High | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 9 | Very high |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 7 | High |
| Sep | 11 | Extreme |
| Oct | 14 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Nkayi in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Nkayi is worst in July — around 68 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (November, 14 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 21 | 18 | 17 | 26 | 41 | 68 | 61 | 44 | 21 | 14 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 21 | Moderate |
| Mar | 18 | Moderate |
| Apr | 17 | Moderate |
| May | 26 | Moderate |
| Jun | 41 | Poor |
| Jul | 68 | Unhealthy |
| Aug | 61 | Unhealthy |
| Sep | 44 | Poor |
| Oct | 21 | Moderate |
| Nov | 14 | Moderate |
| Dec | 16 | Moderate |
Where is Nkayi?
Nkayi sits at 4.2°S, 13.3°E, 181 m above sea level, in Republic of the Congo. The nearest listed city is Kayes, 2.0 km away.
Topography around Nkayi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nkayi.
Within 3 km, the terrain around Nkayi has only modest variations in elevation — a maximum elevation change of 80 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 311 m; within 80 km, large variations in elevation — a maximum elevation change of 797 m.
The land around Nkayi is covered by grassland (42%) and artificial surfaces (26%) within 3 km, grassland (71%) within 16 km, and grassland (53%) and trees (45%) within 80 km.
Republic of the Congo travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $2,515
- 2025
- Happiness
- 4.5 / 10
- World Happiness, 2025
- Safe drinking water
- 46%
- of population, 2021
- Road deaths
- 29.7
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nkayi (-4.184°, 13.2859°, elevation 181 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).