Kayonza in Summer
In summer (December, January and February), Kayonza sees average daytime highs around 26°C and overnight lows near 18°C, with 183 mm of rain over about 42 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 10% of the time across summer, and the air most often feels humid.
Summer is Kayonza's 2nd-best season to visit on our travel score. For the whole year in context, see Kayonza's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 183 mm
- 42 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.7
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Kayonza in Summer
Across summer, daytime highs hold fairly steady around 26°C.
A typical summer day in Kayonza reaches about 26°C and drops to 18°C overnight. The warmest of the three months is February, the coolest December.
Kayonza weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 18° | 58 | 13.3 | 12.1 | 5.8 |
| Feb | 27° / 18° | 54 | 12.4 | 12.1 | 5.7 |
| Mar | 27° / 18° | 77 | 16.9 | 12 | 5.3 |
| Apr | 26° / 18° | 104 | 19.9 | 12 | 4.8 |
| May | 26° / 18° | 57 | 12 | 11.9 | 6.2 |
| Jun | 27° / 18° | 12 | 2.2 | 11.9 | 7.4 |
| Jul | 28° / 18° | 3 | 0.8 | 11.9 | 7.5 |
| Aug | 28° / 18° | 19 | 4.1 | 11.9 | 6.9 |
| Sep | 28° / 18° | 40 | 10.3 | 12 | 6.2 |
| Oct | 27° / 18° | 82 | 16.4 | 12 | 5.4 |
| Nov | 26° / 18° | 97 | 20.3 | 12.1 | 4.9 |
| Dec | 26° / 18° | 72 | 16.6 | 12.1 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 10% of the time across summer.
Chance of precipitation in Summer
Kayonza gets around 183 mm of rain over 42 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 min in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.6 kWh/m².
Is summer a good time to visit Kayonza?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Kayonza for sightseeing.
What to pack for Kayonza in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kayonza sees daytime highs around 26°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 42 days see rain.
UV index in Kayonza in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kayonza peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).
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) | 12 | 16 | 16 | 15 | 12 | 10 | 11 | 11 | 14 | 14 | 13 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 11 | Extreme |
Air quality in Kayonza in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Kayonza is worst in June — around 56 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 51 | 48 | 43 | 37 | 38 | 56 | 55 | 47 | 41 | 38 | 42 | 45 |
| Level | Poor | Poor | Poor | Poor | Poor | Unhealthy | Poor | Poor | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 51 | Poor |
| Feb | 48 | Poor |
| Mar | 43 | Poor |
| Apr | 37 | Poor |
| May | 38 | Poor |
| Jun | 56 | Unhealthy |
| Jul | 55 | Poor |
| Aug | 47 | Poor |
| Sep | 41 | Poor |
| Oct | 38 | Poor |
| Nov | 42 | Poor |
| Dec | 45 | Poor |
Where is Kayonza?
Kayonza sits at 2.0°S, 30.5°E, 1,605 m above sea level, in Rwanda. The nearest listed city is Rwamagana, 10 km away.
Topography around Kayonza
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kayonza.
Within 3 km, the terrain around Kayonza has only modest variations in elevation — a maximum elevation change of 233 m around an average of 1,553 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 460 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,244 m.
The land around Kayonza is covered by cropland (44%) within 3 km, cropland (44%) and shrubs (20%) within 16 km, and cropland (30%) and grassland (29%) within 80 km.
Rwanda travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type C / E / G
- 230 V · 50 Hz
- Prices
- ≈ 27% of US
- price level, 2025
- GDP per capita
- $1,124
- 2025
- Happiness
- 3.3 / 10
- World Happiness, 2021
- Homicide rate
- 3.6
- per 100k, 2020
- Road deaths
- 29.4
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Very low
- EF EPI 417
- 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 Kayonza (-1.9509°, 30.5205°, elevation 1,605 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.