Climate and monthly weather forecastPort Sudan, Sudan

The climate of Port Sudan

Located on the Red Sea coast, Port Sudan possesses a predominately subtropical desert climate, as classified by the Köppen climate system. This BWh classification indicates high temperatures and low humidity, with extremely low amounts of rainfall throughout the year. The city experiences long durations of continuous sunshine and daylight hours, often exceeding 13 hours during some months.

Moving through the year, temperature variations can be observed. Highs typically range from 26.8°C (80.2°F) in January steadily up to a peak heat of 40.2°C (104.4°F) in August. Conversely, the mercury dips for lows, coming down to 19°C (66.2°F) in February before gradually climbing to 28.9°C (84°F) in August. Thus, a consistent warmth underlines the city's climate.

The yearly rainfall pattern reveals minor precipitation, reaching its height in November at 35mm (1.38") with rain spanning four days. However, some months like October go without any recorded rainfall. Relative humidity, on average, maintains close to 70% in the beginning and end of the year, dipping to nearly 50% during the peak summer months.

A unique characteristic to note in Port Sudan is the sea temperature, starting at 25.5°C (77.9°F) in February, it steadily rises to a high 31.3°C (88.3°F) in August. Additionally, the city's UV Index remains beyond 10 from February to September, signaling a very high possibility of harm from unprotected sun exposure.

The best time to visit Port Sudan

Consequently, the best time to visit Port Sudan is during the cooler months from December to February. Here, high temperatures range from 26.8°C (80.2°F) to 28.8°C (83.8°F), and low temperatures range from 19.7°C (67.5°F) to 21.6°C (70.9°F). The sea maintains a pleasant temperature averaging 26.8°C (80.2°F), which is ideal for water activities. Rainfall is limited, and daylight lasts for about 11 to 11.5 hours providing ample time for outdoor activities under the calming winter sun.

The worst time to visit Port Sudan

The summer months from May to October constitute the least favorable time to visit Port Sudan. During this period, temperatures can soar to a blistering 40.2°C (104.4°F), with minimum temperatures not dropping below 23.7°C (74.7°F). Additionally, rainfall chases are minimal, and the UV Index is at its peak, making it potentially hazardous for extended outdoor pursuits without adequate protection.

Spring weather in Port Sudan

Spring in Port Sudan, spanning from March to May, is characterized by rising temperatures. The highs range from 28.8°C (83.8°F) in March up to a scorching 35°C (95°F) by May. At the same time, lows also steadily increase from 19.9°C (67.8°F) to 23.7°C (74.7°F). While the rainfall is very minimal, daylight duration gradually extends, reaching up to 13.1 hours in May, favoring longer days of varied activities.

Summer weather in Port Sudan

The summer season, bridging the months from June to August, brings intense heat. During these months, high temperatures regularly peak above 38.5°C (101.3°F) and can vault to 40.2°C (104.4°F). Correspondingly, low temperatures do not offer much relief, standing between 25.9°C (78.6°F) and 28.9°C (84°F). However, the sea temperatures are at their warmest, cresting at 31.3°C (88.3°F) in August providing an ideal condition for water enthusiasts.

Autumn weather in Port Sudan

The autumn months from September to November usher in gradual cooling. During this period, high temperatures fall from 37.4°C (99.3°F) to 30.8°C (87.4°F), and low temperatures reduce to a range between 26.8°C (80.2°F) and 23.8°C (74.8°F). Noticeably, November witnesses the highest rainfall, reaching up to 35mm (1.38") spread across four days, although this precipitation remains minimal.

Winter weather in Port Sudan

Winter in Port Sudan spans December to February and brings in the mildest weather conditions of the year. The high temperatures vary within the range of 26.8°C (80.2°F) to 28.8°C (83.8°F), while the low temperatures dip to between 19.7°C (67.5°F) to 21.6°C (70.9°F), the coldest period of the year. A notable feature of winter is the low UV index, offering a more pleasant sun-soaked experience for visitors to the city. Furthermore, daylight hours contract to approximately 11 to 11.5 hours, yet it is still conducive for various outdoor activities.

Weather in January

January ushers in relatively cool temperatures and moderate humidity when compared to the rest of the year. Rainfall is minimal in Port Sudan during this period, with rainfall measures at 7mm (0.28") for about 1.2 rainy days throughout the month. Weather in January »

Weather in February

February displays minor alterations in weather conditions with temperatures and humidity being marginally lower compared to January. The UV index peaks at 10, making sun protection essential during outdoor activities. Rainfall conditions remain scarce, marking February as the driest month of the year. Weather in February »

Weather in March

March in Port Sudan signals an increase in sunlight hours and higher temperatures. The UV index increases to its annual apex, staying at 12 throughout the month. Seedlings planted in March should be irrigated appropriately to compensate for the lack of rainfall and increased evaporation. Weather in March »

Weather in April

April embeds itself as a noticeably warmer month with substantially high sunlight exposure. Equally remarkable is the plunge in relative humidity down to 65%, a noticeable shift from the more humid start of the year. Ocean waters are comfortably warm, perfect for swimming or boating activities. Weather in April »

Weather in May

May heralds the onset of substantially high heat with virtually negligible rainfall considering only 1mm (0.04") precipitation registered throughout the month. The continual increase in temperature is made bearable through a steady decline in atmospheric humidity. Weather in May »

Weather in June

The weather profile in June continues to intensify with the mercury regularly hitting even higher highs. While rainfall is a slight 0mm (0") over just 0.1 rainy days in this month, there is no doubt that this is the driest spell in Port Sudan's climate. Weather in June »

Weather in July

July is characteristically the warmest month in the city of Port Sudan with the highest temperature recording at 40.1°C (104.2°F). Even as nighttime arrives, the temperatures remain uncomfortably high. Coupled with intensive UV exposure, protective measures against the harmful rays are indispensable. Weather in July »

Weather in August

August replicates the harsh weather characteristics of July, intensifying the heat marginally. Protective measures against the extreme conditions are of utmost importance, particularly as the UV index remains at a peak level of 12. Weather in August »

Weather in September

With September’s advent, temperature levels get a notch down while humidity levels register a significant rise. Despite the considerable 37.4°C (99.3°F) highs, there is no recorded rainfall in this month, underlining its dry nature. Weather in September »

Weather in October

October ushers in a notable change with temperatures sliding down to more comfortable levels. From the previous month's absence of precipitation, there is a significant rise in rainfall with 14mm (0.55") precipitating over 1.2 days. Weather in October »

Weather in November

November in Port Sudan produces the highest rainfall of the year, a hefty 35mm (1.38") over 4.1 days. It is a significant alteration in the weather scheme introducing more cloud cover and fewer hours of sunlight. Despite significant rainfall, temperatures remain comfortably warm for both air and sea. Weather in November »

Weather in December

December brings a close to the year with relatively cool temperatures and increased cloud cover. On the precipitation front, rainfall pulls back to a moderate 10mm (0.39") during this month. The sunlight hours recede, signaling short days and longer nights common in this winter month. Weather in December »