Climate and monthly weather forecast
Georgetown, Guyana

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The front gate entrance to the colonial building in Georgetown, Guyana
The front gate entrance to the colonial building in Georgetown, Guyana

The climate of Georgetown

Situated on the Atlantic coast of Guyana, Georgetown experiences a Tropical rainforest climate, classified as Af under the Köppen climate classification system. This categorization signifies that the city gets a substantial amount of rainfall throughout the year, with no month averaging less rain than 60mm (2.36").

The temperature parameters in Georgetown maintain a very stable range. High temperatures fluctuate between 28.6°C (83.5°F) at the lowest point in January and 30.8°C (87.4°F) the maximum expected between September and October. Low average temperatures also demonstrate very little variation, with the minimum of 23.5°C (74.3°F) occurring in July and the maximum of 24.4°C (75.9°F) taking place in both April and October.

Georgetown is a recipient of a generous amount of rainfall. The highest amounts are udually recorded between April and August, with May recording the highest average at 328mm (12.91"). The driest period occurs from September to February, with February having the least precipitation of 89mm (3.5"). This pattern indicates the city's tropical monsoon influence.

The average hours of daylight range from 11.7 hours in December to a slightly longer 12.5 hours from June to July. Correspondingly, sunshine hours have a mild fluctuation, moving from 5.2 hours in June to 7.7 hours in September.

The best time to visit Georgetown

Even though rainfall is a frequent occurrence in Georgetown, the less wet period from September to February is generally more favorable for travelers. During this time, there is less rainfall and more sunshine hours, peaking at 7.7 hours in September. Average temperatures stay relatively comfortable during these months, with high temperatures ranging from 29.6°C (85.3°F) to 30.8°C (87.4°F), and low temperatures hovering between 23.8°C (74.8°F) to 24.4°C (75.9°F).

The worst time to visit Georgetown

The period between April and August is generally less favorable for visitors. This time of the year tends to see the highest rainfall, culminating in May, with a substantial average rainfall of 328mm (12.91"). Likewise, the number of rainfall days shoots up to 23 in June, making outdoor activities less enjoyable. Simultaneously, the temperatures do not significantly deviate, with high averages oscillating from 29.2°C (84.6°F) to 29.6°C (85.3°F), and low averages from 23.8°C (74.8°F) to 24.4°C (75.9°F)

Spring weather in Georgetown

Spring in Georgetown, spanning from March to May, comes with increased rainfall. While March sees 111mm (4.37") of rainfall, by May this escalates to 328mm (12.91"). The number of rainy days significantly increases to 19 in May. High temperatures remain relatively constant, with averages sticking between 29.2°C (84.6°F) to 29.5°C (85.1°F), while the lows oscillate between 24.2°C (75.6°F) and 24.4°C (75.9°F).

Summer weather in Georgetown

June through August, the summer months in Georgetown, register the highest rainfall. June receives the highest rainfall of 328mm (12.91") and the maximum number of rainfall days of 23. Here, high temperatures reach to an average of 29.2°C (84.6°F) to 30.2°C (86.4°F) and low temperatures varying slightly from 23.8°C (74.8°F) to 23.5°C (74.3°F).

Autumn weather in Georgetown

Autumn, which lasts from September to November, witnesses a reduction in rainfall in Georgetown, with September registering a much lower average of 98mm (3.86"). Nonetheless, high temperatures persist, maintaining a steady range between 30.2°C (86.4°F) to30.8°C (87.4°F). Low averages also maintain constancy, sticking between 24.2°C (75.6°F) to 24.4°C (75.9°F).

Winter weather in Georgetown

Winter in Georgetown, from December to February, experiences a steady decline in temperatures and rainfall levels. December receives an average rainfall of 262mm (10.31") which significantly reduces to 89mm (3.5") in February. High temperatures fall slightly from 30.2°C (86.4°F) in December to 28.6°C (83.5°F) in January, and then rise again to 28.9°C (84°F) in February. Low averages also fluctuate slightly from 24.2°C (75.6°F) in December, dropping to 23.6°C (74.5°F) in January, only to rise again to 23.9°C (75°F) in February.

Weather in January

Setting the tone for the early year weather scenario in Georgetown, Guyana, January's mellow climate makes for an enjoyable time. The subtropical weather influences uniquely coax high temperatures to an average of 28.6°C (83.5°F) and lows to around 23.6°C (74.5°F). Weather in January »

Weather in February

February in Georgetown witnesses a fair yet slight increase in temperatures as compared to January. With delightful conditions, the city's heartbeat attunes to pleasant tropical vibes, offering a dreamy ambiance. Bracketed between January and March, February experiences the lightest rainfall, with an average of 89mm (3.5"). Weather in February »

Weather in March

March in Georgetown welcomes a crisp weather change dictated by the tropical monsoon climate. Showcasing a little rise in temperatures from February, March does not disappoint sun worshipers. The city finds itself balanced between the drier February and the wetter April, receiving rainfall averaging around 111mm (4.37"). Weather in March »

Weather in April

With burgeoning temperatures, April heralds the transition between the summer's onset and the previous spring-like climate. Georgetown's weather portrays an elegant blend of warm temperatures and soothing evening breeze. Outlying the timeline from March to May, April gets a 26.5% increase in rainfall, averaging around 141mm (5.55"). Weather in April »

Weather in May

As the year advances into May, Georgetown prepares itself for a significant weather shift. The city experiences an increase in temperatures and witnesses the onset of grander rainfall volumes. Sandwiched between April and June, May alleviates the most abundant precipitation, hitting an average of 286mm (11.26") rainfall. Weather in May »

Weather in June

June sets the stage for the peak monsoon period in Georgetown. As it enjoys longer sunshine hours, one can witness a transformation in the city's atmosphere. The weather storyline from May to July presents June witnessing the heaviest rainfall in the year, peaking at an average of 328mm (12.91"). Weather in June »

Weather in July

July in Georgetown continues the lasting affair with monsoons set in June. The temperatures remain fairly consistent, granting the city a poetic monsoon mood. July is nestled between the wettest June and August having a slight decrease in precipitation; the average rainfall comes to about 268mm (10.55"). Weather in July »

Weather in August

August ushers in a gentle change in the weather dynamics of Georgetown. Following July, the city shifts towards a phase of climatic harmony marked by the easing away from the previous heavy downpours. Delineating the journey from July to September, August sees a decrease in rainfall, averaging around 201mm (7.91"). Weather in August »

Weather in September

Georgetown in September ushers in a period of reprieve from heavy rainfalls seen in the past few months. The city, now accustomed to the monsoon climate, expects a decrease in rainfall. Drawing a comparison from August to October, September shows a substantial reduction in rainfall, plummeting to an average of 98mm (3.86"). Weather in September »

Weather in October

October spells in a charm in Georgetown's weather. The month maintains a warm tropical temperate climate, ideal for exploring the city's rich heritage and culture. Commencing the last quarter, slight variations occur from September to November with October seeing a modest increase in rainfall, averaging at 107mm (4.21"). Weather in October »

Weather in November

As November arrives, Georgetown transitions subtly further towards the year's end climate. The tropical city witnesses a balanced equation of temperature, rainfall, and daylight hours. Making its way from October towards December, November marks a significant escalation in rainfall which amounts to 186mm (7.32") on average. Weather in November »

Weather in December

Signing off the year, December in Georgetown offers balanced weather conditions, propitious for holiday festivities. With the city's tropical weather maintaining a consistent climate, December’s end marks a shift towards a slightly cooler phase. Weather in December »
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Frequently asked questions

What month is the coldest in Georgetown?

January stands out as Georgetown's coldest month, with temperatures ranging between an average high of 28.6°C (83.5°F) and a low of 23.6°C (74.5°F).

How many days does it rain in Georgetown?

Throughout the year, there are 174 rainfall days, and 2260mm (88.98") of precipitation is accumulated.

What is the month with the highest UV index in Georgetown?

The months with the highest UV index in Georgetown are January through October, with an average maximum UV index of 12.

What is the driest month in Georgetown?

The month with the least rainfall in Georgetown, Guyana, is February, when the rain falls for 10 days and typically collects 89mm (3.5") of precipitation.

When is the sea coldest in Georgetown?

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

What is the wettest month in Georgetown?

June is the month with the most rainfall in Georgetown. Rain falls for 23 days and accumulates 328mm (12.91") of precipitation.

When are the longest days in Georgetown?

With an average of 12h and 30min of daylight, June has the longest days of the year in Georgetown, Guyana.

What is the month with the least sunshine in Georgetown?

With an average of 5.2h of sunshine, June has the least sunshine of the year in Georgetown.

When is the sea warmest in Georgetown?

With an average sea temperature of 28.9°C (84°F), August is the month with the warmest seawater.

What part of the year is the hottest in Georgetown?

Georgetown experiences the peak of its temperatures in September and October, when the average high-temperatures rise to 30.8°C (87.4°F).

What month has the most sunshine in Georgetown?

September has the most sunshine of the year in Georgetown, Guyana, with an average of 7.7h of sunshine.

When is the lowest UV index in Georgetown?

The months with the lowest UV index in Georgetown, Guyana, are November and December, with an average maximum UV index of 11.

What is the month with the shortest days in Georgetown?

December has the shortest days of the year, with an average of 11h and 42min of daylight.

Is there Daylight Saving Time (DST) in Georgetown?

Georgetown, Guyana, does not utilize Daylight Saving Time (DST). -04 timezone is used over the entire year.

Average temperature
Georgetown, Guyana

Average temperature - Georgetown, Guyana

The warmest months (with the highest average high temperature) are September and October (30.8°C).
The month with the lowest average high temperature is January (28.6°C).

The months with the highest average low temperature are April and October (24.4°C).
The coldest month (with the lowest average low temperature) is July (23.5°C).

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Average rainfall
Georgetown, Guyana

Average rainfall - Georgetown, Guyana

The wettest month (with the highest rainfall) is June (327.7mm).
The driest month (with the least rainfall) is February (88.5mm).

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Average rainfall days
Georgetown, Guyana

Average rainfall days - Georgetown, Guyana

The month with the highest number of rainy days is June (23 days).
The months with the least rainy days are September and October (9 days).

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Average sea temperature
Georgetown, Guyana

Average sea temperature - Georgetown, Guyana

The best month for swimming (with the highest average sea temperature) is August (28.9°C).
The coldest month (with the lowest average sea temperature) is February (27.2°C).

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Average daylight / Average sunshine
Georgetown, Guyana

Average daylight / Average sunshine - Georgetown, 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 42min).

The month with the most sunshine is September (Average sunshine: 7h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).

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Average UV index
Georgetown, Guyana

Average UV index - Georgetown, Guyana

The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are November and December (UV index 11).

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Georgetown, Guyana

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