Climate and monthly weather forecast
Walvis Bay, Namibia

Walvis Bay, located in Namibia, falls under the Köppen climate classification BWk. This denotes a mid-latitude desert climate, a common characteristic of weather systems in the interior regions of large landmasses. Given this climatological condition, the city experiences primarily arid conditions, with minimal fluctuations in temperatures and rainfall distributed sporadically throughout the year.

Situated near the coast, the city's temperatures hover modestly, fluctuating from the minimum averages of 9.9°C (49.8°F) to 15.1°C (59.2°F), right up to maximum averages between 15.7°C (60.3°F) and 20.4°C (68.7°F). not a significant shift, lending to the overstable atmospheric conditions of the region. A trend in temperature shows a gentle dip heading into cooler months, with May to August observing slightly lower average temperatures.

Relative humidity values give light to another feature of the climate in Walvis Bay. The city exhibits relative humidity levels fluctuating from a low average of 65% in December to an average high of 81% observed in the months of January and March. These numbers support the desert climate typing, as the air retains less moisture.

Rainfall, a significant marker of the desert climate, tells a story of a bare minimum across the year. The heaviest month for precipitation is March with 4mm (0.16"), swiftly following a drying out phase from May to September, showing practically no rainfall. The month of December also follows this drying pattern with a recorded rainfall of 0mm (0").

Daylight hours fluctuate from a low average of 10.7 hours in June to high values between 13.2 hours in November to 13.5 hours in December. Sea temperature hangs within a tight band from 13.6°C (56.5°F) in August to 19.1°C (66.4°F) in February.

Taking into account the arid climate, the best time to visit Walvis Bay would be during the periods of lowered heat. This would lie between May and August. This period is marked by cooler temperatures even by the city's standards with lows reaching 9.9°C (49.8°F) and highs barely exceeding 16.5°C (61.7°F). The rainfall is virtually non-existent providing dry conditions,perfect for outdoor activities.

Considering again the climate and weather parameters, the inverse would thus apply for the less opportune periods to visit the city. This period straddles between January and March, a time when the city experiences its highest relative humidity levels reaching upto 81%, accompanied by the yearly rainfall peak of 4mm (0.16") in March. Coupled with slightly higher temperatures during this period, these conditions may make for somewhat uncomfortable travelling.

In the spring months of September to November, temperatures in Walvis Bay begin to climb modestly after the cooler season. During these months, average high temperatures will range from 15.7°C (60.3°F) to 19.5°C (67.1°F), and the average lows fall between 10.4°C (50.7°F) and 14.1°C (57.4°F). Relative humidity sits lower compared to other months, ranging between 67% in September to 79% for the rest of the spring period.

During the summer months, Walvis Bay sees its highest maximum average temperatures ranging from 19.1°C (66.4°F) to 20.4°C (68.7°F), with corresponding minimum temperatures of 14.4°C (57.9°F) to 15.1°C (59.2°F). Relative humidity remains peaked at 81% in January, with a marked decrease to 65% by the end of summer in February. The summer period also brings in the highest recorded rainfall, particularly in March at 4mm (0.16").

The autumnal period from March to May witnesses a mild drop in maximum average temperatures from 20.4°C (68.7°F) to 18.3°C (64.9°F). The minimum average temperatures experience a similar dip from 14.7°C (58.5°F) in March to 10.5°C (50.9°F) by the end of autumn. This period is marked by an absence of rainfall, with levels falling from 4mm (0.16") in March to 1mm (0.04") in April and finally to no rainfall in May making Walvis Bay indeed a desert during the autumn season.

The winter months between June and August in Walvis Bay experience the lowest average temperatures for the year. Maximum average temperatures range from 16.5°C (61.7°F) in June to 15.7°C (60.3°F) in August, while minimum averages drop from 11.1°C (52°F) to 9.9°C (49.8°F) within the same period. Relative humidity rises gradually during this period, reaching 77% in August from 71% in June. The negligible rainfall ranging from 1mm (0.04") to no rainfall across the winter period reaffirms its desert climate.

January ushers in the new year with typical high temperatures reaching up to 20.4°C (68.7°F) in the coastal city of Walvis Bay. This weather often ensures conducive conditions for outdoor activities. As the hottest month in the calendar year, it signals a peak in weather conditions from the preceding cooler months. Weather in January »

As Walvis Bay moves into February, the weather maintains a firm grip on summer, with temperatures similar to January. Reassuringly, the fall in humidity to 79% makes it more bearable for inhabitants and tourists to enjoy pleasant outdoor experiences. Weather in February »

Walvis Bay in March continues to offer a warm climate, mirroring that of January, with similar high temperatures of 20.4°C (68.7°F). The shift from summer to autumn is hardly noticeable to the coastal city’s inhabitants. Despite being the third month, March offers the maximum rainfall of 4mm (0.16"), a marked deviation from the preceding months. Weather in March »

April introduces milder weather into the scene in Walvis Bay, with a drop in average high temperature to 19.1°C (66.4°F). The city gently transitions out of summer into the mildness of autumn, presenting a stark contrast to March. Weather in April »

May brings cooler conditions to Walvis Bay, with high temperatures lowering further to 19.6°C (67.3°F). The mild weather complemented by 71% relative humidity conditions makes May a comfortable period to visit and explore the city. Weather in May »

June offers the most drastic change in weather conditions in Walvis Bay, with a sharp drop in high temperatures to 18.7°C (65.7°F). It is the beginning of the winter months, bringing cooler temperatures to the coastal city. However, despite the chill, the sea temperature remains fairly stable at 14.2°C (57.6°F). Weather in June »

July marks the coldest month in Walvis Bay with high temperatures falling to a chilly 18.3°C (64.9°F). A steady rise in relative humidity to 69% blankets the city in a refreshing ambiance. The sea temperatures dip to 14°C (57.2°F) mimicking the overall cooling trend. Weather in July »

Walvis Bay in August continues with cold weather patterns although high temperatures slightly increase to 16.5°C (61.7°F). This month brings a resurgence in relative humidity levels, rising to 77%, adding a certain crispness to the air. Weather in August »

September brings a noticeable change in Walvis Bay as the city welcomes spring with an increase in high temperatures to 15.7°C (60.3°F). The blend of warming temperatures and a relative humidity of 79% encourage a delightful atmosphere. Weather in September »

By October, Walvis Bay has fully transitioned into spring, with temperatures reaching a high of 16.9°C (62.4°F). While maintaining near-constant humidity levels, sea temperatures and daylight hours continue on their ascendant trajectory. Weather in October »

November at Walvis Bay presents a climate nearing perfection, with high temperatures peaking at 17.6°C (63.7°F). Light rain showers of about 0mm (0") may occur, adding an element of freshness to the city's atmosphere. Extended daylight hours of 13.2 turn Walvis Bay into a city that literally does not sleep. Weather in November »

December unfolds with festive mirth in Walvis Bay, with the weather emulating a joyful air as temperatures reach highs of 19.5°C (67.1°F). Ideal conditions persist, complementing the celebratory atmosphere. Combined with the maximum daylight hours of 13.5, the town dives headlong into the party season, keeping high spirits with a 0mm (0") sprinkle of rainfall. Weather in December »