Viana in Spring
In spring (September, October and November), Viana sees average daytime highs around 31°C and overnight lows near 22°C, with 102 mm of rain over about 18 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 7% of the time across spring, and the air most often feels muggy.
Spring is Viana's 2nd-best season to visit on our travel score. For the whole year in context, see Viana's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 102 mm
- 18 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Viana in Spring
Across spring, daytime highs hold fairly steady around 31°C.
A typical spring day in Viana reaches about 31°C and drops to 22°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Viana
Once humidity and wind are folded in, spring brings about 62 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Viana weather by month
How the three spring months (September, October and November) 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 | 32° / 23° | 80 | 11 | 12.5 | 3.5 |
| Feb | 33° / 24° | 81 | 10.6 | 12.3 | 3.2 |
| Mar | 32° / 24° | 122 | 15.5 | 12.1 | 3.1 |
| Apr | 32° / 24° | 142 | 17.4 | 11.8 | 3.3 |
| May | 32° / 22° | 15 | 2.7 | 11.6 | 4.9 |
| Jun | 30° / 20° | 0 | 0 | 11.5 | 6.5 |
| Jul | 29° / 18° | 0 | 0 | 11.5 | 7.2 |
| Aug | 29° / 18° | 2 | 0.3 | 11.7 | 6.8 |
| Sep | 30° / 20° | 6 | 1.4 | 11.9 | 5.7 |
| Oct | 31° / 22° | 18 | 4.3 | 12.2 | 4.9 |
| Nov | 31° / 23° | 78 | 12.5 | 12.4 | 3.8 |
| Dec | 32° / 23° | 80 | 12.5 | 12.5 | 3.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 7% of the time across spring.
Chance of precipitation in Spring
Viana gets around 102 mm of rain over 18 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 6 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early September to 12 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.4 kWh/m².
Hazard calendar for Viana
In spring, Viana overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Viana's rainy season runs November–April, when most of the year's rain falls.
Is spring a good time to visit Viana?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Viana for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Viana in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Viana sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 18 days see rain.
Sea temperature near Viana in Spring
The nearest coast averages about 24°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 28 km away) is warmest in March at about 28°C and coldest in August near 20°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 28 | 28 | 27 | 25 | 23 | 21 | 20 | 22 | 24 | 26 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Warm |
| Apr | 27 | Warm |
| May | 25 | Warm |
| Jun | 23 | Refreshing |
| Jul | 21 | Refreshing |
| Aug | 20 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 24 | Warm |
| Nov | 26 | Warm |
| Dec | 26 | Warm |
UV index in Viana in Spring
Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Viana peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 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 | 14 | 15 | 13 | 9 | 7 | 6 | 6 | 10 | 11 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 9 | Very high |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 10 | Very high |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Viana in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Viana is worst in July — around 47 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 23 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) | 23 | 24 | 29 | 34 | 35 | 41 | 47 | 43 | 32 | 27 | 25 | 26 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 24 | Moderate |
| Mar | 29 | Moderate |
| Apr | 34 | Moderate |
| May | 35 | Moderate |
| Jun | 41 | Poor |
| Jul | 47 | Poor |
| Aug | 43 | Poor |
| Sep | 32 | Moderate |
| Oct | 27 | Moderate |
| Nov | 25 | Moderate |
| Dec | 26 | Moderate |
Where is Viana?
Viana sits at 8.9°S, 13.4°E, 128 m above sea level, in Angola. The nearest listed city is Mulenvos, 6.0 km away.
Topography around Viana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viana.
Within 3 km, the terrain around Viana has only modest variations in elevation — a maximum elevation change of 69 m around an average of 121 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 165 m; within 80 km, significant variations in elevation — a maximum elevation change of 585 m.
The land around Viana is covered by artificial surfaces (87%) within 3 km, artificial surfaces (53%) and grassland (42%) within 16 km, and water (33%), grassland (29%) and trees (28%) 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 Viana (-8.9055°, 13.375°, elevation 128 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.