Climate and monthly weather forecastManuka, Tonga

The climate of Manuka

The climate in Manuka, Tonga, adheres to the Af specification of the Köppen climate classification, which represents a Tropical Rainforest climate. Given the tropical location, temperatures remain consistent throughout the year with small fluctuations. High temperatures range from 23.2°C (73.8°F) to 27.5°C (81.5°F) throughout the year, while low temperatures achieve between 21.6°C (70.9°F) to 26.7°C (80.1°F). As expected for a tropical rainforest climate, relative humidity is quite high with a monthly average percentage fluctuating between 75% to 80%.

Manuka receives considerable rainfall from 36mm (1.42") in October to 163mm (6.42") in February. While most rainfall reaches Manuka in the earlier part of the year, rainfall is present throughout the year falling on an average of 12.9 days in October to 22.7 days in February. The cloud percentage ranges from 46% to 51% throughout the year. This climate results in luscious vegetation and extensive biodiversity.

The wind speeds reach up to a monthly average of 25.8km/h (16mph) in December, with minimal difference in wind speed months. Coupled with an average visibility of 10km (6.2mi) throughout the year, wind conditions contribute to the overall climate.

The best time to visit Manuka

Given favorable temperature and rainfall levels, January to March are ideal months to visit Manuka. During these months, the daytime temperatures are at their highest, easing comfortably between 26.8°C (80.2°F) to 27.5°C (81.5°F), and the amount of daylight ranges from 12.2 hours to 13.2 hours. The sunshine hours also peak from 7.4 hours to 7.5 hours, ensuring the visitors have a significant amount of daylight to explore.

The worst time to visit Manuka

Despite the tropical rainforest climate providing a consistent overall weather pattern, the months of August and September might be less ideal for visits. These months record the lowest maximum temperatures measuring a relatively cooler 23°C (73.4°F) to 22.9°C (73.2°F) respectively. Additionally, lower sunshine hours of 6.8 to 7 hours might make these months less attractive for those wanting to spend their days exploring outdoors.

Spring weather in Manuka

The springtime in Manuka (September to November) experiences temperatures from a high of 23.7°C (74.7°F) to 24.4°C (75.9°F) and a slightly lower end from 22.9°C (73.2°F) to 23.5°C (74.3°F). Those seeking cooler conditions may appreciate these months. Rainfall in spring falls within the lower range of between 64mm (2.52") to 39mm (1.54"), offering a respite from the heavier months of precipitation.

Summer weather in Manuka

Observing Manuka's location, it's understandable that the island's summer months from December to February can be characterized by higher temperatures and higher rainfall levels. High temperatures range between 27.5°C (81.5°F) to 26.2°C (79.2°F), while low temperatures deviate from 25.9°C (78.6°F) to 25.2°C (77.4°F). The average relative humidity remains in the high range from 80% to 77% during these months.

Autumn weather in Manuka

Autumn in Manuka, observed from March to May, features high temperatures declining from 27.2°C (81°F) to 25.2°C (77.4°F), and lows from 26.3°C (79.3°F) to 23.9°C (75°F). The months also endure an average range of rainfall from 151mm (5.94") to 59mm (2.32"), indicating a gradual drying period.

Winter weather in Manuka

Winter, in contrast, offers the lowest temperatures in the year (from June to August). Low temperatures in Manuka in these months span from 23°C (73.4°F) to 21.6°C (70.9°F) with high temperatures not straying too far, and hovering around 24.3°C (75.7°F) to 23°C (73.4°F). Additionally, average rainfall registers from 71mm (2.8") to 51mm (2.01"), marking the driest months of the year.

Weather in January

January weather in Manuka, Tonga shows a slight deviation compared to the typical climate during other months. A dominant characteristic is the continuous high relative humidity of 80%. As the first month of the year, January encounters high precipitation, a climatological aspect that underscores the wet season in Tonga. Weather in January »

Weather in February

February perpetuates the conditions of January, though the rainfall increases to a peak of 163mm (6.42"). The increased precipitation marks February as the wettest month in Manuka, Tonga. However, despite the extensive rainfall, the increased cloud cover doesn't significantly reduce sunlight availability. Weather in February »

Weather in March

A gradual transition into the drier season starts to set in March. Rainfall decreases to 151mm (5.94"), slightly lifting the veil of the wet conditions that characterized the previous months. The cloud cover remains slightly unchanged, but the humidity stays constant, continuing to keep Manuka, Tonga's climate quite humid. Weather in March »

Weather in April

April's climate in Manuka, Tonga tells a different story. Rainfall significantly reduces to 86mm (3.39"), a marked sign of the progressing dry season. As a gateway between the wet and dry seasons, April presents an essential climatic transition period. Weather in April »

Weather in May

May continues with the trend set in April, but at a more pronounced level. It is characterized by the least rainfall, registering only 59mm (2.32"), and this is predominantly due to the progression into the dry season. Manuka, Tonga becomes balmier than the preceding months. Weather in May »

Weather in June

June brings a modest increase in rainfall, shifting from May's record low. This month is identified with the onset of cooler temperatures that are more bearable. Wind speed continues its upward trajectory along with air pressure. The prevailing weather conditions signify a tilt towards a more temperate climate, characterized by longer nights but with relatively ample sunshine to enjoy the beautiful scenic outdoors. Manuka registers an average high-temperature of a still warm 24.3°C (75.7°F) at the commencement of June, closely related to the preceding month. Weather in June »

Weather in July

July ushers in cooler weather in Manuka, Tonga, with temperatures dipping to their yearly low of 23°C (73.4°F). The decrease manifests the winter period in the Southern Hemisphere where Tonga is located. While rainfall increases slightly, making the surroundings more refreshing, wind speed hits the year's peak. Weather in July »

Weather in August

August is almost a mirror image of July, with slight variances. A key distinguishing feature involves a further reduction in rainfall, which drops to 51mm (2.01"). Visitors and residents of Manuka, Tonga are more inclined to enjoy outdoor activities in the cool, pleasant, and less rainy climate. Weather in August »

Weather in September

September in Manuka, Tonga is characterized by steady temperatures and a subtle increase in rainfall, which rises to 64mm (2.52"). Adorning the crown as the region with the lowest UV index, Manuka sees this parameter standing firm at 6. Weather in September »

Weather in October

October, in Manuka, Tonga, brings a noticeable increase in sunshine duration. The sunshine duration extends to 7.1 hours, a marked change in the atmosphere, much to the delight of sun-seekers. The relaxing wind speed brings calm to the region, freshened up by light showers. Weather in October »

Weather in November

November signals the imminent arrival of the wet season anew. It brings an increase in rainfall to 39mm (1.54"), a trend poised to continue into the following months. Manuka, Tonga manages a delicate balance of weather components, exhibiting only minor changes in most parameters. Weather in November »

Weather in December

December marks the end of the year with rising rainfall levels that reach 75mm (2.95"), as weather dynamics shift back towards the wet season. Manuka, Tonga is enveloped in a mixed bag of climatic elements, from warmer temperatures and longer days to strengthening winds. Weather in December »