Climate and monthly weather forecast
Rosignol, Guyana


The climate of Rosignol

Rosignol, located at Guyana, sits directly beneath the Equatorial line. Being enclosed by the Amazon Rainforest on one side and Atlantic Ocean on the other, the Köppen Climate Classification describes it as an Af, indicating a Tropical Rainforest climate. Each month in Rosignol, it exhibits consistently high temperatures varying within a narrow range, from 27.2°C (81°F) to 28.8°C (83.8°F). With such high temperatures, the high level of evaporation stimulates an excessive amount of precipitation.

Among the predominant features of this climate are the lengthy daylight hours stretching from 11.8 to 12.5 hours. The steady number of daylight hours, unaffected by the discrete seasonality caused due to its equatorial position, progressively rise until the middle of the year and then smoothly descend towards December, a characteristic brought on by Earth's axial tilt. Throughout the year, the wide-ranging sea temperatures only fluctuate between 27.7°C (81.9°F) and 28.8°C (83.8°F).

The unique weather condition here is predicated on the brief semi-annual dry spells that can occur typically around February and August, influenced by the Inter-Tropical Convergence Zone (ITCZ). These irregular periods highlight the rare drops in an otherwise unanimously high rainfall throughout the year.

The best time to visit Rosignol

Taking into consideration the weather patterns, the optimal visiting period extends from May to July given that sea temperatures rise up to 28.2°C (82.8°F) to 28.8°C (83.8°F) and the daylight hours peak to 12.4 to 12.5 hours. Despite the uniform yearly precipitation, these months receive slightly less rainfall offering tourists a chance to explore the rich biodiversity unencumbered by torrential rains.

The worst time to visit Rosignol

Conversely, February and August mark the less favorable periods to plan a visit. As previously mentioned, these months can present an atypical weather pattern where rainfall decreases, creating dryer conditions. In turn, this can quickly lead to escalated heat combined with the consistently high temperatures of 27.2°C (81°F) in February and 28.6°C (83.5°F) in August, which might be discomforting for some travelers.

Spring weather in Rosignol

In Rosignol, the notion of Spring does not apply in the traditional sense due to its year-round hot and humid tropical climate. However, denoting March to May as Spring, as comparable with Northern Hemisphere seasons, the weather continues to uphold the rigorous scenic standards with temperatures seldom dropping below 27.3°C (81.1°F). Concurrently, daylight hours gradually escalate from 12.1 to 12.4 hours, ushering in longer periods of sunshine.

Summer weather in Rosignol

Directly following Spring, what may be considered as a Summer phase runs between June and August. During this interval, temperate conditions persist with temperatures that usually oscillate around 28.2°C (82.8°F) to 28.6°C (83.5°F), signifying the peak of the warm season. Augmented daylight hours peaking at 12.5 hours, paired with the highest sea temperatures up to 28.8°C (83.8°F), provide an ideal backdrop for seaside leisurely activities.

Autumn weather in Rosignol

Autumn, covering September through November, presents minimum fluctuations in the climate profile of Rosignol. During this phase, the temperatures stay within bounds of 28.7°C (83.7°F) to 28.2°C (82.8°F), maintaining the relentless warmth. However, a minute reduction to 12.2 daylight hours down from the 12.3 hours of August transpires, marking the onset of shorter daylight intervals.

Winter weather in Rosignol

Lastly, Winter in Rosignol holds a similar pattern to Autumn. Stretching from December to February, any signs of cold weather remain absent. Instead, stable high temperatures prevail, falling within 27.8°C (82°F) to 27.2°C (81°F) range, and daylight hours decrease slightly, ranging from 11.8 to 11.9 hours. Contrasting from what the moniker suggests, 'Winter' tells an entirely different narrative in Rosignol, as the tropical heat remains unbroken.

Weather in January

In comparison with December, the climate of Rosignol, Guyana experiences a slight drop in the sea temperature from 27.8°C (82°F) to 27.7°C (81.9°F), marking the month's most noteworthy weather shift. The reduction in marine warmth might influence weather conditions over the land. Weather in January »

Weather in February

In February, it is unvaried to observe a marginal attenuation in sea temperatures, sliding to 27.2°C (81°F), which contributes to the cooling effect. Nevertheless, the duration of sunlight remains approximately the same, ensuring that the drop in sea temperature doesn't significantly affect the overall warmth of Rosignol. Weather in February »

Weather in March

The onset of March brings a slightly warmer touch, with sea temperatures rising to 27.3°C (81.1°F), the first increase after two consecutive months of decrease. This rejuvenation in the ocean's warmth maintains the land's hot climate, despite minor fluctuations in the sunlight duration. Weather in March »

Weather in April

In April, the rise in temperature becomes more evident, with sea temperatures witnessing a surge to 27.5°C (81.5°F). Alongside the high sea temperature, daylight continues to pour in, enveloping the land in consistent warmth. This combination sustains the tropical climate that Rosignol is known for. Weather in April »

Weather in May

May's landscape transforms subtly as the sea temperature hits the year's highest point at 27.8°C (82°F). This rise accompanies the subtle shift in the duration of daylight, further amplifying the sultry ambiance. The change in Rosignol's weather patterns hint at the wet season's arrival, with torrential downpours soon to be expected. Weather in May »

Weather in June

As June unfolds, the sea temperature continues its upward climb, soaring to a whopping 27.9°C (82.2°F). Despite the slight tweak in sea temperature, the overall temperature gradient in Rosignol stays stable, maintaining the typical tropical warmth. Weather in June »

Weather in July

July makes noticeable strides towards increasing warmth, as the sea temperature reaches its peak at 28.2°C (82.8°F). This is the month's most drastic change as July scales the heights of the warmest periods in Rosignol, Guyana. While the sea temperature continues to climb, the daylight hours wave in with a slight reduction. Weather in July »

Weather in August

The sea temperature continues its upward trend in August, taking a quantum leap to 28.8°C (83.8°F), the highest reading for any month. This is indeed the most significant aspect of the weather for this month. Even though the sunlight hours compress slightly, the high sea temperature ensures Rosignol's consistent tropical feel. Weather in August »

Weather in September

September flags a minute going back in the sea temperature, as it slightly drops to 28.7°C (83.7°F). However, this decrement does not really put a dent on the lingering high temperatures in Rosignol. The remaining tropical warmth sustains, and the degree of sunlight continues to deterges little by little. Weather in September »

Weather in October

As Rosignol trots into October, the weather compassionately softens with the falling sea temperature that now settles at 28.6°C (83.5°F). This drop embraces the shift in season with open arms and marks a transitional phase in the weather pattern of October. Weather in October »

Weather in November

November crystallizes the onset of lower sea temperatures, with a reading down to 28.2°C (82.8°F). Monotony is broken, marking this month’s distinct weather characteristic. The daylight hours, maintaining a steady state, further amplifies this relaxation in temperatures. Weather in November »

Weather in December

In contrast to November, December climatology cherishes a further shrinkage in sea temperature, which tapers off at 27.8°C (82°F). The slight fall in daylight hours along with cool sea temperatures herald the beginning of the coziest month of the year in Rosignol. Weather in December »

Frequently asked questions

What is the month with the coldest sea water in Rosignol?

With an average sea temperature of 27.2°C (81°F), February is the month with the coldest seawater in Rosignol, Guyana.

When are the longest days in Rosignol?

The month with the longest days is June, with an average of 12h and 30min of daylight.

What is the month with the warmest sea water in Rosignol?

August is the month with the warmest seawater in Rosignol, with an average sea temperature of 28.8°C (83.8°F).

What is the month with the shortest days in Rosignol?

The month with the shortest days is December, with an average of 11h and 48min of daylight.

Is there Daylight Saving Time (DST) in Rosignol?

Rosignol does not observe Daylight Saving Time (DST). -04 timezone is used over the entire year.

Average sea temperature
Rosignol, Guyana

Average sea temperature - Rosignol, Guyana

The best month for swimming (with the highest average sea temperature) is August (28.8°C).
The coldest month (with the lowest average sea temperature) is February (27.2°C).


Average daylight
Rosignol, Guyana

Average daylight - Rosignol, Guyana

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).


Rosignol, Guyana

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