Climate and monthly weather forecast
Nungwi, Tanzania

Positioned in the northernmost point of Zanzibar, Tanzania, Nungwi possesses a notable tropical monsoon climate, as defined by the Köppen climate classification. This climate subtype, classified as Am, heralds a consistent cycle of changes across the year. Overall, Nungwi experiences a warm to hot climate throughout the year, with limited temperature fluctuations.

The sea temperature in Nungwi has minor variations across the year. From January to May, the water temperatures stay within the range from 28.4°C (83.1°F) to 29.1°C (84.4°F). Following May, the temperature starts to decline slightly, reaching its lowest point in August and September at 25.7°C (78.3°F) to 25.9°C (78.6°F). As October approaches, the temperature begins to rise again, hitting its peak in December at 28.3°C (82.9°F).

Examining daylight conditions, there exists a very minor change across the year. January experiences approximately 12.4 hours of daylight, with progressive decrease in the following months to the shortest day in June, with approximately 11.8 hours of daylight. Subsequently, daylight hours increase, reaching back to 12.4 hours in November, and a slight increase to 12.5 hours in December.

Considering the temperature and daylight hours, the optimal time to visit Nungwi could be from January to May and from November to December. During these periods, the sea temperature remains warm, fluctuating from 28.4°C (83.1°F) to 29.1°C (84.4°F), conducive to activities in the tropical paradise. Alongside, the daylight hours during these months range from 12.4 hours to 12 hours, ensuring substantial time for outdoor explorations and activities.

The period of time from June to October perceivably poses a less ideal time to visit Nungwi. The sea temperatures during these months reach their lowest, dipping to between 25.9°C (78.6°F) and 26.6°C (79.9°F). Additionally, the daylight hours are comparatively shorter during this period, hitting the lowest point in June at approximately 11.8 hours.

Though Nungwi's tropical climate does not follow a regular spring-summer-autumn-winter cycle like temperate regions, for categorization purposes, March to May can be considered the Spring period. The sea temperatures during this time are quite high, peaking at 29.1°C (84.4°F) in April and reducing to 28.3°C (82.9°F) in May. Daylight hours hover around 12.1 hours in March, falling to 11.9 hours in May.

The period from June to August, comparable to the summer months, exhibits lower sea temperatures, dipping to between 25.9°C (78.6°F) and 26.9°C (80.4°F). The daylight hours are the shortest for the year, with June and July experiencing just about 11.8 hours, inching up to 11.9 hours in August.

Within September to November, aligned to the autumn season, sea temperatures start to rise again, from 25.9°C (78.6°F) in September to 27.9°C (82.2°F) in November. An increasing trend in daylight hours also gets noted, ranging from 12.1 hours in September to 12.4 hours in November.

December to February, comparable to the winter months in temperate regions, exhibits a continued high sea temperature trend. December maintains a high temperature of 28.3°C (82.9°F), with a slight increase to 28.4°C (83.1°F) in January followed by a minor dip in February. Concurrently, daylight hours remain constant, around 12.4 to 12.5 hours.

In the month of January, Nungwi, Tanzania typically sees warmer sea temperatures. The average sea temperature dips very slightly from December, reaching 28.4°C (83.1°F). This marks the beginning of a slightly cooler period in the year. Weather in January »

As February rolls in, Nungwi's weather shows little variation from the previous month. The sea temperature drops marginally to 28.2°C (82.8°F). Although a slight dip, the impact on overall weather conditions remains minimal. Predominantly pleasant days and warm sea temperatures make it a manifestation of the tropical paradise. Weather in February »

There is a noticeable change in the sea temperature in March. The average sea temperature soars to 29°C (84.2°F), the start of a warming trend that lasts until April. Meanwhile, daylight hours dwindle slowly, adding to the overall ambience of balmy, tropical evenings. Weather in March »

April possesses the highest sea temperature in Nungwi, Tanzania, peaking at 29.1°C (84.4°F). Despite this, it's a continuation of the warm and tropical climate for which the city is known. The weather characteristically remains consistent, neither too hot nor too cold. Weather in April »

With the change in weather, May brings a slight downturn in average sea temperature, dropping to 28.3°C (82.9°F). From swimming to sunbathing, the overall climate remains hospitable for beach-related activities. The month heralds softer weather patterns and offers visitors plenty of natural beauty to admire in Nungwi, Tanzania. In Nungwi, in May, the average water temperature is 28.3°C (82.9°F). Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in May »

June brings more change, including the start of the cooler sea temperature period in Nungwi, dropping to 26.9°C (80.4°F). Despite the cooler sea temperatures, Nungwi's ambient temperature typically remains stable. The climate still remains welcoming for outdoor activities. Weather in June »

The temperature continues to plunge in July, with the sea temperature now at 25.9°C (78.6°F). Even with lower sea temperatures, the overall climate remains temperate. Nungwi offers a pleasantly warm and inviting atmosphere for tourism. Weather in July »

August boasts a relatively stable weather profile, despite the average sea temperature dipping further to 25.7°C (78.3°F). It marks the coolest sea temperature period for Nungwi, Tanzania. However, it doesn't significantly impact the overall weather patterns. Weather in August »

The month of September presents a mild upturn in climate, with sea temperatures rising again, reaching 25.9°C (78.6°F). This transition period offers a mild and favorable climate for all activities. It allows for complete enjoyment of the natural beauty Nungwi has to offer without any harsh weather conditions. In September, the average sea temperature in Nungwi, Tanzania, is 25.9°C (78.6°F). Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods. Weather in September »

In October, the sea temperature continues to rise, breaking away from the cooler period that lasted until August. The overall stable, warm and tropical weather takes center stage once again. Nungwi's characteristic pleasant days continue, providing excellent conditions for tourist activities. In Nungwi, the average seawater temperature in October is 26.6°C (79.9°F). Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations. Weather in October »

November comes with a notable increase in sea temperature in Nungwi, Tanzania, going up to 27.9°C (82.2°F). This serves as a precursor to the warmer weather that December brings. The city continues to bloom under the tropical weather, with daylight hours increasing gradually. In Nungwi, in November, the average water temperature is 27.9°C (82.2°F). Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods. Weather in November »

December closes the year with an average sea temperature reaching up to 28.3°C (82.9°F), bringing a warmer end to the year. The consistency of warm temperatures, combined with increasing daylight hours, gives December a unique appeal. Weather in December »