Climate and monthly weather forecast
Saint John's, Montserrat

Saint John's, the capital of the Montserrat island, is under the spell of a Tropical monsoon climate, as coded Am by the Köppen climate classification system. The city experiences a significant amount of rain annually, rendering its weather humid and moist most of the year. The sea temperature fluctuates lightly, ranging from 26.3°C (79.3°F) to 29.3°C (84.7°F). These differences might appear minimal, but they contribute to the overall climate experience.

Throughout the year, daylight hours also oscillate slightly, peaking near mid-year. From a minimum of 11.1 hours in December to a maximum of 13.1 hours in June, there is a small increment in the amount of sunlight enjoyed by the island each day. As for any distinctive patterns or unique characteristics, it would be noteworthy to mention the consistency with which temperatures remain warm and inviting. Residents and visitors alike can enjoy balmy sea temperatures that seldom fall below 26°C (78.8°F) - an enticing lure for those who appreciate tropical conditions.

The ideal time to visit Saint John's heavily depends on individual's preferences and priorities. However, if warmer sea temperatures and longer daylight hours are high on the list, months from June to September could be the perfect fit. During these months, sea temperatures climb to their annual peak, hitting the mark between 28.4°C (83.1°F) and 29.3°C (84.7°F). Furthermore, it is within this period that Saint John's enjoys its longest days, with daylight extending between 12.9 to 13.1 hours.

While there is no absolute worst time to visit Saint John's in terms of weather, some travellers might find the shorter daylight hours and marginally cooler sea temperatures of the year's end slightly less appealing. The sea temperature dips to its lowest of 26.3°C (79.3°F) in February while December, with its shortest daylight hours of 11.1, could be regarded as less attractive, especially for visitors seeking ample sunshine or longer beach hours.

Spring ushers in gradually warming temperatures and lengthening days in Saint John’s. The sea temperature shifts from 26.3°C (79.3°F) in February to 27.2°C (81°F) in April, offering a pleasant warmth for beach-goers and water sports enthusiasts. Alongside, daylight hours progressively increase, moving from 11.6 hours in February to 12.5 hours in April. It’s signifying the transition towards the forthcoming summer months.

Summer is characterized by its peak sea temperatures and longest daylight hours of the year in Saint John's. From June to August, the average sea temperature stands between 28.4°C (83.1°F) and 29°C (84.2°F), providing ideal conditions for water-based activities. Meanwhile, the city luxuriates in an abundance of sunlight, as daylight extends between 13.1 and 12.7 hours, enabling residents and visitors to fully utilize the warm, sunny weather.

Autumn in Saint John's witnesses a gradual decrease in sea temperature and daylight hours. In this period from September to November, the sea temperature cools down from 29.3°C (84.7°F) to 28.4°C (83.1°F), while the duration of sunlight shrinks from 12.2 to 11.3 hours. Nonetheless, the coastal climate remains largely warm and sunny, affording enjoyable outdoor pursuits.

In winter, Saint John's experiences the lowest sea temperatures and shortest daylight hours throughout the year. However, the tropical climate ensures the conditions remain relatively mild. Sea temperatures hover between 27.4°C (81.3°F) and 26.3°C (79.3°F) from December to February, still warm enough for a dip. Similarly, shorter daylight hours ranging between 11.1 and 11.6 might limit sunbathing opportunities but do not put a damper on an otherwise sunny year in Saint John’s.

Sitting at the start of the year, the climate of Saint John's, Montserrat does not disappoint. The sea temperature posts a moderate value of 26.8°C (80.2°F), providing a significant drop in chill over the previous month. The daylight duration remains low, providing a mere 11.3 hours of daylight. Weather in January »

With the progression of the year, the weather in Saint John's shows a slight dip in sea temperatures, to 26.3°C (79.3°F). This change, along with an increased duration of daylight to 11.6 hours, give the month a unique blend of chills and warmth. Weather in February »

As the winter frost begins to lift gradually, the Saint John's weather in March displays a deviation from the preceding months. With a slight increase in both sea temperature and daylight hours, a glimpse of warmth, up to 26.4°C (79.5°F) in sea temperature and 12.1 hours of daylight pierces the stiff winter breeze. Weather in March »

As spring takes full hold in Saint John's, the weather starts to transform. With the sea temperature increasing to a warm 27.2°C (81°F), it is a massive relief from the chill of the opening months. The lengthening of daylight encompassing 12.5 hours enhances the city's vibrancy. Weather in April »

May arrives in Saint John's along with a surge of warmth in sea temperatures, though without numerical reference here. The span of daylight extends, painting longer bright days. The sporadic rainfall does not hinder daily outdoor activities or dampen the festive spirit during this month. Weather in May »

June in Saint John's, Montserrat manifests the meteorological changes that come with summer. The sea temperature ubiquitously ascends to its record of 28.4°C (83.1°F), ushering in warmth and bright skies. The daylight duration stretches to its longest, bathing the city in sunshine for over thirteen hours. Weather in June »

July arrives in Saint John's bearing the high temperatures of the summer. The sea temperature maintains a high level without a vivid numerical reference. Long daylight hours continue to bright up the city, offering maximum outdoor opportunities. Weather in July »

The weather in August in Saint John's carries on the hot summer pattern with sea temperatures reaching a remarkable 29°C (84.2°F). The persistent long daylight hours provide an extensive timeframe for outdoor activities and exploration. Weather in August »

In Saint John's, September's weather maintains the high temperatures of the previous months, though without precise numerical detail. Daylight duration begins to contract, signifying the impending end of summer. Nevertheless, the rainfall remains sparse, providing ample clear skies. Weather in September »

October in Saint John's witnesses a marginal decline in sea temperatures down to 28.9°C (84°F), indicating the commencement of the fall season. The daylight hours reduce, setting the stage for longer, cooler nights. The lowering temperatures denote a transition from the summer highs to a more temperate autumn. Weather in October »

Saint John's in November experiences a further drop in temperatures in the sea, without citing exact figures. Daylight contracts even further, giving way to chilly evenings. The shorter days and longer nights exhibit the authentic fall season, transitioning the city from the heat of summer. Weather in November »

As the year rounds off, December brings Saint John's some coolness with the sea temperature dropping to 27.4°C (81.3°F). Further reduction in daylight to 11.1 hours marks the most succinct daylight duration. A crisp chill makes itself noticeable as the city wraps up in winter once again. Weather in December »