Longonjo in Summer
In summer (December, January and February), Longonjo sees average daytime highs around 24°C and overnight lows near 15°C, with 637 mm of rain over about 61 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 5% of the time across summer, and the air most often feels humid.
Summer is Longonjo's weakest season of the year to visit on our travel score. For the whole year in context, see Longonjo's year-round climate.
- Avg daytime high
- 24°C
- coldest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 637 mm
- 61 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Longonjo in Summer
Across summer, daytime highs hold fairly steady around 24°C.
A typical summer day in Longonjo reaches about 24°C and drops to 15°C overnight. The warmest of the three months is February, the coolest January.
Longonjo 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 | 24° / 15° | 203 | 20.3 | 12.7 | 5.0 |
| Feb | 24° / 15° | 191 | 17.9 | 12.4 | 5.1 |
| Mar | 24° / 15° | 227 | 23.9 | 12.1 | 4.6 |
| Apr | 25° / 14° | 82 | 13.4 | 11.7 | 6.3 |
| May | 25° / 12° | 4 | 1 | 11.4 | 8.9 |
| Jun | 25° / 9° | 0 | 0 | 11.3 | 9.5 |
| Jul | 25° / 9° | 0 | 0 | 11.3 | 9.3 |
| Aug | 28° / 11° | 1 | 0.2 | 11.6 | 8.3 |
| Sep | 29° / 13° | 24 | 4.3 | 11.9 | 6.5 |
| Oct | 27° / 15° | 154 | 19.5 | 12.3 | 5.0 |
| Nov | 25° / 15° | 257 | 24.8 | 12.6 | 4.3 |
| Dec | 24° / 15° | 243 | 23.2 | 12.7 | 4.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 5% of the time across summer.
Chance of precipitation in Summer
Longonjo gets around 637 mm of rain over 61 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 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 42 min in early December to 12 h 18 min 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 5.7 kWh/m².
Hazard calendar for Longonjo
In summer, Longonjo overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Longonjo's monsoon runs October–March, when most of the year's rain falls.
Is summer a good time to visit Longonjo?
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 Longonjo for sightseeing.
What to pack for Longonjo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Longonjo sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 61 days see rain.
UV index in Longonjo in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Longonjo peaks around January 18 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 20 at about 9 (very 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) | 17 | 15 | 16 | 13 | 11 | 10 | 9 | 9 | 11 | 13 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 17 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Longonjo 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 Longonjo is worst in August — around 101 µg/m³ PM2.5 (unhealthy), about 10.6× the cleanest month (January, 10 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) | 10 | 11 | 12 | 14 | 27 | 53 | 87 | 101 | 43 | 19 | 11 | 10 |
| Level | Good | Good | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Poor | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 12 | Moderate |
| Apr | 14 | Moderate |
| May | 27 | Moderate |
| Jun | 53 | Poor |
| Jul | 87 | Unhealthy |
| Aug | 101 | Unhealthy |
| Sep | 43 | Poor |
| Oct | 19 | Moderate |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Longonjo?
Longonjo sits at 12.9°S, 15.2°E, 1,451 m above sea level, in Angola. The nearest listed city is Ucuma, 21 km away.
Topography around Longonjo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Longonjo.
Within 3 km, the terrain around Longonjo has significant variations in elevation — a maximum elevation change of 323 m around an average of 1,470 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 981 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,623 m.
The land around Longonjo is covered by cropland (65%) within 3 km, shrubs (30%), cropland (30%) and trees (28%) within 16 km, and cropland (33%), shrubs (25%) and grassland (25%) within 80 km.
Angola travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $3,129
- 2025
- Happiness
- 3.8 / 10
- World Happiness, 2017
- Homicide rate
- 4.1
- per 100k, 2016
- Road deaths
- 26.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Very low
- EF EPI 413
- 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 Longonjo (-12.9079°, 15.2485°, elevation 1,451 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.