Viana climate

Name: Viana
Address: AO

Viana is warmest in February, with average highs of 32 °C, and coldest in July, when nights average 18 °C. April is the wettest month (118 mm) and June the driest (0.2 mm). Figures are 1991–2020 climate normals.

Across a full year Viana averages 450 mm of rain and 365 days above 25 °C.

Angola · population 865,863 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month February 32 °C
Coldest month July 18 °C
Driest month June 0 mm
Wettest month April 118 mm
Least cloud June 37 % cloud
Hottest on record February 38 °C
Coldest on record July 14 °C
Warmest sea March 28 °C

What to expectViana through the year

Viana has a clear annual cycle: average daily highs run from 29 °C in July to 32 °C in February, a swing of 4.9 °C in mean temperature across the year.

Counted across a normal year, 365 days a year reach 25 °C, 228 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in February.

Rain is strongly seasonal. April averages 118 mm against 0 mm in June — 602 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Viana is warmest in March at 28 °C and coldest in August at 20 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	31.9 °C	50 mm	80 %
February	32.4 °C	65 mm	80 %
March	32.0 °C	89 mm	83 %
April	30.9 °C	118 mm	82 %
May	31.7 °C	11 mm	51 %
June	30.3 °C	under 1 mm	37 %
July	28.9 °C	under 1 mm	43 %
August	28.8 °C	1 mm	52 %
September	29.8 °C	5 mm	60 %
October	30.4 °C	17 mm	70 %
November	30.9 °C	50 mm	77 %
December	31.3 °C	44 mm	80 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	31.9 °C	23.2 °C	26.7 °C	37.0 °C	19.3 °C	31	27
February	32.4 °C	23.7 °C	27.1 °C	37.7 °C	20.0 °C	28	24
March	32.0 °C	24.0 °C	27.2 °C	37.2 °C	20.6 °C	31	27
April	30.9 °C	24.0 °C	26.7 °C	36.9 °C	18.7 °C	30	22
May	31.7 °C	22.6 °C	26.1 °C	36.8 °C	19.0 °C	31	27
June	30.3 °C	19.7 °C	23.7 °C	35.0 °C	15.4 °C	30	16
July	28.9 °C	18.1 °C	22.2 °C	32.5 °C	14.2 °C	31	5
August	28.8 °C	18.6 °C	22.5 °C	32.5 °C	14.6 °C	31	6
September	29.8 °C	20.3 °C	23.8 °C	34.3 °C	16.8 °C	30	13
October	30.4 °C	21.9 °C	25.1 °C	35.2 °C	18.9 °C	31	17
November	30.9 °C	23.0 °C	26.1 °C	36.2 °C	19.8 °C	30	20
December	31.3 °C	23.1 °C	26.4 °C	35.9 °C	19.3 °C	31	24

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	50 mm	9	13 h/day	80 %	75 %	15 km/h	26.5 °C
February	65 mm	10	12 h/day	80 %	75 %	15 km/h	27.7 °C
March	89 mm	14	12 h/day	83 %	79 %	14 km/h	27.9 °C
April	118 mm	17	12 h/day	82 %	83 %	13 km/h	27.2 °C
May	11 mm	2	12 h/day	51 %	77 %	15 km/h	25.2 °C
June	under 1 mm	0	12 h/day	37 %	75 %	15 km/h	22.7 °C
July	under 1 mm	0	12 h/day	43 %	75 %	15 km/h	21.0 °C
August	1 mm	0	12 h/day	52 %	74 %	15 km/h	20.4 °C
September	5 mm	1	12 h/day	60 %	73 %	16 km/h	21.9 °C
October	17 mm	3	12 h/day	70 %	74 %	16 km/h	24.3 °C
November	50 mm	11	13 h/day	77 %	77 %	16 km/h	25.9 °C
December	44 mm	10	13 h/day	80 %	76 %	15 km/h	25.9 °C

How Viana compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Viana	32 °C	18 °C	450 mm	365
Mulenvos · Angola	32 °C	18 °C	450 mm	365
Zango · Angola	33 °C	18 °C	609 mm	365
Kikolo · Angola	32 °C	18 °C	573 mm	364
Luanda · Angola	31 °C	18 °C	425 mm	359
Calumbo · Angola	33 °C	18 °C	549 mm	365
Ramiros · Angola	30 °C	19 °C	422 mm	345

Planning a trip? See the best time to visit Viana.

QuestionsCommon questions about Viana’s climate

When is the best time to visit Viana?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, February is the warmest month and June the driest. The month-by-month table above has the full picture.

How hot does Viana get?

In February, the warmest month, daily highs average 32 °C. About 228 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 18 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Viana?

April, averaging 118 mm over 17 days with rain. The driest month is June with 0 mm. The year as a whole averages 450 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Viana rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -8.906°, 13.375° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.