Climate and monthly weather forecast
Tulagi Island, Solomon Islands

The climate condition prevailing on Tulagi Island aligns with the Köppen climate classification "Af" designating a tropical rainforest climate. The geographical location of this island in the Solomon Islands bestows a rather uniform weather pattern year-round.

A perusal of climatological parameters reveals a remarkably consistent thermal scenario throughout the year. High temperatures range from 30°C (86°F) to 32°C (89.6°F) on average and low temperatures exhibit little fluctuation, staying consistently around 24°C (75.2°F). This distinct lack of temperature drop creates an atmosphere of warmth that permeates the island year-round. The sea temperature that hovers around 30°C (86°F) complements the pleasing island ambiance.

Rainfall on Tulagi Island portrays more variation, extending from a low of 50mm (1.97") in April to a high of 401mm (15.79") in February. Despite an occasional dip, a generally high level of precipitation prevails throughout the year, confirming the rainforest climate. Daylight hours stay within a narrow range of 11.6 to 12.7 hours per day across all months, allowing ample time to partake in day-time activities.

A distinguishing feature of Tulagi Island's weather is the abundant rainfall in February, marking it as the wettest month. Conversely, April emerges as the driest month with a modest 50mm (1.97") precipitation, a stark contrast to the island's otherwise high rainfall.

With uniform temperatures and extensive daylight hours, Tulagi Island welcomes visitors all year round. However, for those preferring a aesthetically dry atmosphere, it may be preferable to plan a visit during April. The noticeably less rainfall during this month complements outdoor activities and exploration, making it the most favourable time to experience the island in all its glory.

Despite holding charm in every season, potential visitors who prefer to avoid excessive rain should steer clear of a visit in February. The exceptional precipitation level of 401mm (15.79") might dampen enthusiasm for outdoor activities or exploration of the island's natural beauty.

Spring on Tulagi Island lasts from March to May. The period sees average high temperatures stay consistently at 31°C (87.8°F) mark and lows around 24°C (75.2°F). A shift in rainfall occurs as it significantly drops from 401mm (15.79") in February to a mere 64mm (2.52") in March, gradually increasing over the following months. The sea temperature maintains a warm average of around 30°C (86°F), favoring marine activities.

The summer months from June to August portray consistent climatic parameters on Tulagi Island. High and low temperatures hover around 30°C (86°F) and 24°C (75.2°F) respectively. Rainfall slightly increases from 173mm (6.81") in June to 221mm (8.7") in August, maintaining the rainy atmosphere. Meanwhile, the sea temperature slightly decreases to an average of 28.8°C (83.8°F) in July and August.

Autumn, spanning September to November, ensures warm weather with high temperatures consistently at 31°C (87.8°F). The lows remain steady at 24°C (75.2°F). Rainfall continues its trajectory, escalating from 200mm (7.87") in September to 250mm (9.84") in November. Sea temperature also presents a slight rise, from 28.9°C (84°F) in September to 29.8°C (85.6°F) by November, making it idyllic for water activities.

The warmth of Tulagi Island extends into the winter months of December and January as well, with high temperatures peaking at 32°C (89.6°F) in December. The constant of low temperatures remains unbroken at around 24°C (75.2°F). The island's trend of high rainfall persists, climbing from 264mm (10.39") in December to a yearly high of 401mm (15.79") in February. Concurrently, sea temperatures rise steadily from 29.8°C (85.6°F) in December to 30.2°C (86.4°F) in February, inviting swimmers and divers to bask in the clear, warm waters.

The New Year on Tulagi Island begins with substantial humidity as rainfall peaks amid the year's first weeks. A notable aspect of January's weather is the elevated level of rainfall, totaling 363 millimeters, the highest in the first quarter of the year. Weather in January »

Transitioning into February, the weather on Tulagi Island continues to remain humid, although rainfall does experience a slight increment. February witnesses the highest rainfall over the year with 401 millimeters. Despite this, temperature fluctuations are minimal, maintaining the steady warmth characteristic of Solomon Islands. Weather in February »

In a sharp pivot from the preceding months, March presents distinct weather changes on Tulagi Island. The most drastic of these changes is the dramatic dip in rainfall compared to February, receiving only 64 millimeters throughout the month. Weather in March »

Tulagi Island in April experiences a continuation of the drier weather prevalent in March. The weather is marked by the low levels of rainfall, with April receiving the lowest annual precipitation of merely 50 millimeters. The minimal precipitation and accompanying warmth contribute to a more comfortable climate for those not fond of highly humid conditions. Weather in April »

May brings about a shift in Tulagi Island's weather as it heralds the onset of the wet season. Mimicking the incoming shift, it experiences a substantial rise in rainfall, which totals 206 millimeters for this month. This considerable increase signals the end of the dry period and prepares for the gradual intensification of rainfall in the following months. Weather in May »

June's weather on Tulagi Island denotes further progression into the wet season. Notably, rainfall continues to rise, reaching 173 millimeters, slightly below the upcoming peak in July. June's rainfall, however, does not hamper enjoyment of the tropical outdoors due to the generously extended daylight period. Weather in June »

Mid-year on Tulagi Island proves to be a period of ample rainfall, contributing to the lushly green landscapes. July stands out due to an increase in the island’s precipitation, with an accumulation of 193 millimeters of rainfall. Weather in July »

August witnesses Tulagi Island's weather reaching near-peak levels of rainfall. Emphasizing the heart of the wet season, the amount of precipitation for this month stands at 221 millimeters. The warm sea temperatures during this period contribute to the thriving marine biodiversity that the island is celebrated for. Weather in August »

September paves the way towards the retreat of the rainy season on Tulagi Island. The amount of monthly rainfall decreases to 200 millimeters, hinting at the commencement of the departure from the rains. The general weather pattern in September involves a reduction in rainfall levels that carries through into the forthcoming months of October and November. Weather in September »

October's weather on Tulagi Island is characterized by the continuation of the gradual retreat from the rainy season. The prevalence of rain continues to decline, although it remains significantly high at 221 millimeters. The moderate weather conditions through October serve as a suitable platform for a myriad of both terrestrial and underwater activities. Weather in October »

Stepping into November, Tulagi Island showcases consistent weather patterns with minor variations in temperature. Rainfall sees a notable increase from the previous month, registering 250 millimeters. Despite being in the closing stages of the wet season, the island's rainfall remains substantial, reinforcing its tropical climate characteristics. Weather in November »

Closing the calendar year, December's weather on Tulagi Island presents a balance of humidity, temperature, and rainfall. Precipitation remains substantial but not peak, with a total of 264 millimeters for this month. The consistent sea and land temperatures foster the surrounding marine and wildlife, captivating visiting nature enthusiasts. Weather in December »