Climate averages 1991–2020
Walvis Bay weather
in December.
A mild, very dry month: the 8th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Walvis Bay: daytime highs average 20.4°C and nights cool to about 14.5°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 1.2 mm of rain on fewer than one day, which makes December a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 31 min on an average December day.
The nearest other city in this atlas is Windhoek (268 km away). In December its highs average 30.5°C, 10.2°C warmer than Walvis Bay, with 64 mm of rain.
Among the 3 cities listed in Namibia, Walvis Bay ranks 3rd of 3 for the warmest December highs and 1st of 3 for the driest December (rainfall, lowest first). The mean December high of those 3 cities is 27.1°C; Walvis Bay is 6.7°C cooler than that mean.
From December to January, average highs rise by 0.8°C to 21.2°C, and monthly rainfall rises from 1.2 mm to 3.0 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Walvis Bay climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.2°C15.9°C | 15.9°C | 3.0 | 0.6 | 13.413 h |
| February | 21.7°C16.5°C | 16.5°C | 4.0 | 0.8 | 12.913 h |
| March | 21.8°C16.2°C | 16.2°C | 3.2 | 0.5 | 12.212 h |
| April | 21.6°C15.5°C | 15.5°C | 3.0 | 0.5 | 11.612 h |
| May | 21.3°C14.1°C | 14.1°C | 1.0 | 0.2 | 11.011 h |
| June | 21.0°C12.8°C | 12.8°C | 0.3 | 0.1 | 10.711 h |
| July | 20.9°C12.8°C | 12.8°C | 0.5 | 0.1 | 10.911 h |
| August | 18.6°C11.0°C | 11.0°C | 0.3 | 0.1 | 11.311 h |
| September | 18.2°C11.1°C | 11.1°C | 0.7 | 0.2 | 11.912 h |
| October | 18.7°C12.0°C | 12.0°C | 0.2 | 0.0 | 12.613 h |
| November | 19.6°C13.1°C | 13.1°C | 0.4 | 0.1 | 13.213 h |
| December, selected | 20.4°C14.5°C | 14.5°C | 1.2 | 0.1 | 13.514 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Walvis Bay) is explained once on the Walvis Bay year overview and on the Sources, method and limits page.