Climate and monthly weather forecastGeorgetown, Saint Vincent and the Grenadines
Climate and monthly weather forecast
The climate of Georgetown
Georgetown, Saint Vincent and the Grenadines, resonates well with the Af Köppen climate classification, hence sustains a Tropical Rainforest climate. It is located within the tropics and this geographical setting influences the characteristic weather parameters observed throughout the year.Temperatures in Georgetown remain fairly consistent year-round, with high temperatures oscillating from a minimum of 26.3°C (79.3°F) to a maximum of 28.7°C (83.7°F) and low temperatures varying from 25.3°C (77.5°F) to 27.9°C (82.2°F). As expected in a tropical climate, the humidity also remains relatively high, ranging from 75% to 78%. Radiation levels are consistent with a UV index maintaining at level 7 all year round.
Rainfall in Georgetown shows a relatively strong pattern with the lower boundary at 12mm (0.47") in February to the peak at 40mm (1.57") in November. Although Georgetown experiences rainfall throughout the year, the number of rainfall days varies from 8.7 in February to 16.4 in July, indicating a higher frequency of precipitation during certain periods of the year. Corresponding sunshine hours fluctuate from as low as 6.6 in December to as high as 10.5 in August, highlighting Georgetown's abundant sunshine interspersed with frequent rainfall.
Wind speed averages from 28km/h (17.4mph) at damp January to 28.7km/h (17.8mph) at peak in February. Nevertheless, the gust wind speeds have more intense fluctuations, from a lower average of 27.7km/h (17.2mph) in September to a higher average of 40.4km/h (25.1mph) in February.
The best time to visit Georgetown
Ideal visiting conditions revolve around preferences for temperature, sunlight, and rainfall. Visitors looking to maximize hours of sunshine coupled with the least rainfall and milder temperatures should consider the period from February to April. During these months, Georgetown averages around 12mm (0.47") to 17mm (0.67") of rainfall with daylight enduring approximately 12 hours, while relative humidity is at its annual lulls.The worst time to visit Georgetown
The term 'worst' is a relative expression and could differ for various individuals based on their tolerance to specific weather conditions. Visitors uncomfortable with heavy rainfall and humidity should evade Georgetown from July through November. These months are characterised by heavy downpours ranging from 30mm (1.18") to 40mm (1.57") of rainfall with a notable number of rainy days, marking them as the wettest periods of the year.Spring weather in Georgetown
Georgetown does not follow the typical four seasons as it is located in the tropics. However, a subtle transition can be noticed during the months of March, April, and May which could be categorised as the local 'spring'. This period is marked by moderate rainfall from 14mm (0.55") in March to 18mm (0.71") in May, with relative humidity typically around 78%. Temperatures are agreeable during this time, ranging from high temperatures of 26.5°C (79.7°F) to 27.8°C (82°F) and low temperatures from 25.4°C (77.7°F) to 26.9°C (80.4°F). Daylight hours also increase gradually from 12.1 hours in March to 12.7 in May.Summer weather in Georgetown
The 'summer' months of June, July, and August depict a unique climate in Georgetown. These months are characterised by increased rainfall, where it jumps from 23mm (0.91") in June to a high 33mm (1.3") in August. The number of rainfall days also takes an incline from 12.6 in June to 16.4 in July. Despite the rise in rainfall, daylight hours remain generous with an average of 12.8 hours. Temperatures continue to be constant hovering around 28°C (82.4°F) during the day and 27°C (80.6°F) at night.Autumn weather in Georgetown
The local 'autumn' in the months of September, October, and November in Georgetown denotes a time of abundant rainfall, highest for the year, touching 40mm (1.57") in November. The number of rainy days does not drop below 14.9 days per month. Temperatures experience a slight decline with high temperatures sliding from 28.7°C (83.7°F) to 27.9°C (82.2°F) and low temperatures equally tapering from 27.9°C (82.2°F) to 27.2°C (81°F). Although rainfall is at its peak, Georgetown maintains an adequate amount of daylight ranging between 12.2 hours to 11.5 hours.Winter weather in Georgetown
Deciphering winter in Georgetown is challenging due to its tropical climate. However, the period from December to February can be loosely referenced as 'winter.' During this time, the city experiences a dip in sunshine hours to 6.6 hours in December, rebounding to 8.8 hours in February. Rainfall also decreases to 23mm (0.91") in December and January before rising slightly to 16mm (0.63") in February. Temperatures remain warm, with 27.4°C (81.3°F) as the high in December and 26.3°C (79.3°F) as the high in February, while low temperatures range from 26.4°C (79.5°F) in December to 25.3°C (77.5°F) in February. These months also witness the lowest relative humidity for the year and slightly subdued wind speeds.Weather in January
January characterizes the commencement of the year in Georgetown, with its unique weather patterns. An immersive Caribbean climate envelops the city this month. The climate is primarily marked by moderately high temperatures, ranging from 25.3°C (77.5°F) to 26.4°C (79.5°F). Weather in January »Weather in February
The month of February sees a mild shift in the weather conditions of Georgetown. In comparison to January, slightly higher temperatures and fewer rainy days are apparent. Still, the tropical climate continues to reign with a notable characteristic being the city receiving an average of 12mm (0.47") rainfall. Weather in February »Weather in March
Coming to March, the weather in Georgetown maintains its tropical nature while undergoing more enhancements. An increase in sunshine hours is noticed, promising warmth and exotic vibes. Most significantly, the average temperature peaks at 26.5°C (79.7°F), ranking as one of the warmer months. Weather in March »Weather in April
April in Georgetown comes with the onset of increased warmth and an elevated relaxing atmosphere. Capricious weather marks this month with an enticing blend of ample sunshine and sporadic rainfall. A slight increase in average temperature, reflecting in values reaching 27.1°C (80.8°F), marks the warmest month yet. Weather in April »Weather in May
May witnesses further reductions in temperature variations. The weather remains tropical but reveals nuances in different elements such as rainfall and sunshine. In particular, this month has an average of 18mm (0.71") rainfall, making it the rainiest so far. Weather in May »Weather in June
June delivers a distinct weather characterisation in Georgetown's tropical climate. Enhanced sunlight hours, transcending winds, and a sense of pleasant warmth all coalesce to give this month its own uniqueness. Remarkably, temperatures continue their upward trend, reaching an average high of 28.1°C (82.6°F). Weather in June »Weather in July
July graduates onto becoming one of the hottest periods of the year in Georgetown. This month, embedded in a distinctive tropical environment, manifests a rather hot, humid climate in comparison to June. With an average high temperature of 28°C (82.4°F), Georgetown experiences its peak summer period. Weather in July »Weather in August
With the arrival of August, a subtle change in Georgetown's weather pattern begins. The city retains its hot, tropical climate, albeit with some respite from the harsh July sunshine. August, with a high temperature of 28.4°C (83.1°F), sees a slight increase in rainfall. Weather in August »Weather in September
September represents a peculiar blend of the tropical conditions specific to Georgetown throughout the year. This month is characterized by longer hours of daylight, contrasted by increased rain and cloud cover. A notable climatic attribute is the observed average high temperature, which ascends slightly to 28.7°C (83.7°F). Weather in September »Weather in October
October brings a touch of freshness to Georgetown's weather, while maintaining its tropical charm. The city, in preparation for the forthcoming cooler months, witnesses reduced sunlight hours and an increase in rainfall. Notwithstanding, the city receives substantial rain, averaging around 37mm (1.46") this month. Weather in October »Weather in November
In November, Georgetown's weather continues its evolution towards slightly cooler conditions. The month's tropical climate is marked by increased humidity, yet the city remains a sunny, seaside retreat. However, the city can see as much as 40mm (1.57") of rain, the highest in the year. Weather in November »Weather in December
December brings about significant modifications in the climatic ambiance of Georgetown. The tropical city ushers in cooler temperatures, and the breezes become more gentle. The monthly average temperature drops slightly to 27.4°C (81.3°F), a welcome respite from the previous months' heat. Weather in December »Updated: Jun 4, 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
In Georgetown, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.
January through December, with an average maximum UV index of 7, are months with the highest UV index.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
Georgetown's February weather reaches an average high of 26.3°C (79.3°F) and an average low of 25.5°C (77.9°F), making it the coldest month.
February is the least humid month, with an average relative humidity of 75%.
The month with the least rainfall is February, when the rain falls for 8.7 days and typically collects 12mm (0.47") of precipitation.
The months with the highest humidity are May through July, with an average relative humidity of 78%.
The month with the longest days is June, with an average of 12h and 54min of daylight.
With an average of 10.5h of sunshine, August has the most sunshine of the year.
September is the month that records the highest temperatures, with averages ranging from a high of 28.7°C (83.7°F) to a low of 27.9°C (82.2°F).
The month with the most rainfall is November, when the rain falls for 15.5 days and typically aggregates up to 40mm (1.57") of precipitation.
With an average of 11h and 24min of daylight, December has the shortest days of the year.
Georgetown, Saint Vincent and the Grenadines, does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.
With an average of 6.6h of sunshine, December has the least sunshine of the year.
Average temperature
Georgetown, Saint Vincent and the Grenadines
The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).
Average pressure
Georgetown, Saint Vincent and the Grenadines
- Average pressure in January:
1014.3mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1013.8mbar - Average pressure in May:
1014mbar - Average pressure in June:
1014.6mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1012.3mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1011.1mbar - Average pressure in December:
1013mbar
The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed
Georgetown, Saint Vincent and the Grenadines
- Average wind speed in January:
28km/h - Average wind speed in February:
28.4km/h - Average wind speed in March:
25.9km/h - Average wind speed in April:
24.9km/h - Average wind speed in May:
25.4km/h - Average wind speed in June:
27.4km/h
- Average wind speed in July:
26km/h - Average wind speed in August:
22.5km/h - Average wind speed in September:
19.7km/h - Average wind speed in October:
21.1km/h - Average wind speed in November:
23.3km/h - Average wind speed in December:
26.6km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).
Average humidity
Georgetown, Saint Vincent and the Grenadines
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).
Average rainfall
Georgetown, Saint Vincent and the Grenadines
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days
Georgetown, Saint Vincent and the Grenadines
- Average rainfall days in January:
11.7 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
12.6 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
16 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).
Average daylight / Average sunshine
Georgetown, Saint Vincent and the Grenadines
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
7h and 24min - Average sunshine in February:
8h and 48min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 30min - Average sunshine in September:
10h and 24min - Average sunshine in October:
8h and 36min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
Georgetown, Saint Vincent and the Grenadines
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
12.8 days
The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index
Georgetown, Saint Vincent and the Grenadines
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Georgetown, Saint Vincent and the Grenadines
The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).
Average visibility
Georgetown, Saint Vincent and the Grenadines
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
