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Contents
- The climate of Georgetown
- The best time to visit Georgetown
- The worst time to visit Georgetown
- Spring weather in Georgetown
- Summer weather in Georgetown
- Autumn weather in Georgetown
- Winter weather in Georgetown
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The front gate entrance to the colonial building in Georgetown, Guyana
Climate and monthly weather forecast
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 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 »
Updated: Jul 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
January proves to be the coldest month, recording an average maximum temperature of 28.6°C (83.5°F) and a minimum temperature of 23.6°C (74.5°F).
How much does it rain?
In Georgetown, Guyana, during the entire year, the rain falls for 174 days and collects up to 2260mm (88.98") of precipitation.
What is the month with the highest UV index?
January through October, with an average maximum UV index of 12, are months with the highest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 10 days and accumulates 89mm (3.5") of precipitation.
What month is the sea coldest?
With an average sea temperature of 27.2°C (81°F), February is the month with the coldest seawater.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 23 days and accumulates 328mm (12.91") of precipitation.
When are the longest days?
With an average of 12h and 30min of daylight, June has the longest days of the year.
What is the month with the least sunshine?
The month with the least sunshine is June, with an average of 5.2h of sunshine.
What month is the sea warmest?
August is the month with the warmest seawater, with an average sea temperature of 28.9°C (84°F).
What is the hottest time of year?
Georgetown witnesses its highest temperatures in September and October, reaching an average of 30.8°C (87.4°F).
What month has the most sunshine?
With an average of 7.7h of sunshine, September has the most sunshine of the year.
When is the lowest UV index?
The months with the lowest UV index are November and December, with an average maximum UV index of 11.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST)?
Georgetown does not utilize Daylight Saving Time (DST). -04 timezone is used throughout the entire year.
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).
Average rainfall
Georgetown, Guyana
- Average rainfall in January:
185.2mm - Average rainfall in February:
88.5mm - Average rainfall in March:
111mm - Average rainfall in April:
140.5mm - Average rainfall in May:
285.5mm - Average rainfall in June:
327.7mm
- Average rainfall in July:
268mm - Average rainfall in August:
201.4mm - Average rainfall in September:
97.5mm - Average rainfall in October:
107.2mm - Average rainfall in November:
185.9mm - Average rainfall in December:
261.9mm
The wettest month (with the highest rainfall) is June (327.7mm).
The driest month (with the least rainfall) is February (88.5mm).
Average rainfall days
Georgetown, Guyana
- Average rainfall days in January:
16 days - Average rainfall days in February:
10 days - Average rainfall days in March:
10 days - Average rainfall days in April:
12 days - Average rainfall days in May:
19 days - Average rainfall days in June:
23 days
- Average rainfall days in July:
21 days - Average rainfall days in August:
15 days - Average rainfall days in September:
9 days - Average rainfall days in October:
9 days - Average rainfall days in November:
12 days - Average rainfall days in December:
18 days
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).
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).
Average daylight / Average sunshine
Georgetown, Guyana
- Average daylight in January:
11h and 5min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 3min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 4min
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).
- Average sunshine in January:
6h and 3min - Average sunshine in February:
7h and 3min - Average sunshine in March:
7h and 1min - Average sunshine in April:
6h and 4min - Average sunshine in May:
5h and 5min - Average sunshine in June:
5h and 1min
- Average sunshine in July:
6h and 3min - Average sunshine in August:
7h and 3min - Average sunshine in September:
7h and 4min - Average sunshine in October:
7h and 4min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 0min
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).
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).
