Climate and monthly weather forecastGreiggs, Saint Vincent and the Grenadines
Climate and monthly weather forecast
The climate of Greiggs
Greiggs, located in Saint Vincent and the Grenadines, falls into the Af zone of the Köppen climate classification, also known as a tropical rainforest climate. Characterized by high humidity - around 75% to 78%, consistent temperatures and plenty of rainfall, Greiggs, much like other regions within the same climate classification, experiences no pronounced seasons.Examining the data, the average high temperature ranges from 26.3°C (79.3°F) in February to 28.7°C (83.7°F) in September. The average low temperature varies from 25.3°C (77.5°F) in January to 27.9°C (82.2°F) in September. There is a small fluctuation in temperatures throughout the year, typical of a tropical climate. And not surprisingly, the level of relative humidity in all months remains consistently between 75% and 78%.
It is important to note that Greiggs receives abundant rainfall throughout the year. The average rainfall inches upward from 16mm (0.63") in January to a peak of 40mm (1.57") in November. November is characterized not only by the high volume of rainfall but also by the highest number of rainy days, reaching a high of 16.4 days. Despite the consistent rainfall, Greiggs enjoys a fair amount of sunshine with an average duration of sunlight varying from 6.6 hours in December to 10.5 hours in August.
The best time to visit Greiggs
Taking into account temperature, sunshine hours, and rainfall, the optimal time to visit Greiggs falls in the months of August and September. These months boast the highest average temperatures, ranging between 28.4°C (83.1°F) to 28.7°C (83.7°F), promising warm tropical conditions. Combined with an increased level of sunshine, at an average of 10.4 to 10.5 sunlight hours per day, this period provides ample daylight for taking in the sights.The worst time to visit Greiggs
Given the tropical nature of Greiggs, the concept of a 'worst' time to visit solely depends on a visitor's personal preferences. However, if one were to take the amount of rainfall into account, November emerges as the least desirable month for visiting. With an average rainfall of 40mm (1.57") and the highest number of rainy days, reaching 16.4 days, November could put a dampener on travel plans.Spring weather in Greiggs
The period from March to May is often referred to as spring in many parts of the world. In Greiggs, this part of the year is marked by a gradual increase in temperatures, with averages ranging from 26.5°C (79.7°F) to 27.8°C (82°F). The number of daylight hours increases from 12.1 hours in March to 12.7 hours in May. Rainfall also sees an uptick, rising from 14mm (0.55") in March to 18mm (0.71") in May.Summer weather in Greiggs
Corresponding to June - August, summer weather in Greiggs brims with warmth under an abundant sun. Average daytime temperatures reach their peak in this period, hovering from 28.1°C (82.6°F) to 28.4°C (83.1°F). The duration of daylight remains relatively steady at around 12.8 to 12.9 hours. However, monsoon showers make their presence felt, registering a rise in rainfall, from 23mm (0.91") in June to 33mm (1.3") in August.Autumn weather in Greiggs
September ushers in autumn, marked by some of the year's warmest temperatures. Average high and low temperatures stand at 28.7°C (83.7°F) and 27.9°C (82.2°F) respectively in September, falling slightly to 27.9°C (82.2°F) and 27.2°C (81°F) in November. Rainfall dominates in this period, with an average of 37mm (1.46") in October, escalating to 40mm (1.57") in November.Winter weather in Greiggs
Winter in Greiggs, from December to February, is warm compared to that in temperate climates. Average high temperatures range from 26.3°C (79.3°F) in February to 27.4°C (81.3°F) in December, while the average low temperatures fluctuate from 25.3°C (77.5°F) to 26.4°C (79.5°F). With regards to rainfall, the quantity lessens from the high observed in November to an average of 16mm (0.63") to 23mm (0.91") in winter months.Weather in January
January weather in Greiggs, Saint Vincent and The Grenadines, starts moderately, with temperatures wavering moderately. Daily sunshine can be enjoyed for up to 7.4 hours, resulting in a brilliant start to the year. Noticeably, this month faces the highest wind speed reaching speeds of 28.7km/h (17.8mph). Weather in January »Weather in February
Moving into February, a slight rise in temperatures can be noticed. The city enjoys an elongation of daylight compared to January. Furthermore, clear visibility complements the extended daylight, with 10km (6.2mi) of clear sight made possible due to favorable atmospheric pressure. Weather in February »Weather in March
The scene in March exhibits a continuation of the dry season with comparable figures to February’s precipitation data. Gradually, the days lengthen as the sunlight stretches to accommodate 12.1 hours of sunshine. However, the climate maintains a leeward disposition, with thundershowers being occasional. Weather in March »Weather in April
Transition towards April draws out more sunshine with warmer temperatures marking the commencement of the hotter part of the year. A distinctive feature of April is the highest rainfall recorded in 17mm (0.67") within the first segment of the year. Weather in April »Weather in May
Weather in May brings a considerable amount of unpredictability to the forecast. Leading into the rainy season, the city experiences an uptick in rainfall, registering at 18mm (0.71"), along with a relative increase in humidity. However, complementing this are long, sunny hours resulting in a balance in the city's weather conditions. Weather in May »Weather in June
June carries forward the complexities of May, constituting the peak of the hot season with temperatures soaring. Residents witness the highest humidity of the year amidst the impending rainy onslaught. Given the tropical climate, rainfall shows a substantial increase, peaking at 23mm (0.91"). Weather in June »Weather in July
Entering July, weather patterns take a dramatic turn. July outdoes the other months, presenting the maximum precipitation in 30mm (1.18") making it the rainiest month of the year. Thereby, spontaneous rainstorms become characteristic of this period, accompanied by towering cloud formations. Weather in July »Weather in August
August attempts to reign in the volatile conditions of July, yet, the showers persist. There’s a minimal boost in the temperature range, producing long sweltering days. Bright sunshine prevails, illuminating the city for approximately 12.6 hours daily. Weather in August »Weather in September
September foresees a decline in the rainfall rate, marking the end of the rain riots. However, the city does not shed its tropical temperament entirely with temperatures maintaining a plateau. While the city braces for slight cooling, the sunshine hours experience a marginal decrease. Weather in September »Weather in October
As October falls into place, an overall mild weather asserts dominance over the last quarter of the year. Alternatively, sudden bursts of rain continue to refresh the city as the threat of downpours remains. Clear weather days combined with reduced wind speeds inaugurate the serene part of the year. Weather in October »Weather in November
November represents an overall easing into the colder season, with temperatures gradually dropping. While occasional rainfall persists, the city witnesses a significant reduction in the volume of showers as compared to the preceding months. Weather in November »Weather in December
The year winds down with December heralding the close of the year. Slanting towards the cooler side, the city experiences some of the coldest temperatures amidst a generally warm climate. A notable aspect is the consistency in humidity levels that hover around an average figure. 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
Throughout the year, there are 164.4 rainfall days, and 289mm (11.38") of precipitation is accumulated.
The months with the highest UV index are January through December, with an average maximum UV index of 7.
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Greiggs.
February, with an average high of 26.3°C (79.3°F) and a low of 25.5°C (77.9°F), signifies the coldest month of the year.
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%.
With an average of 12h and 54min of daylight, June has the longest days of the year.
The month with the most sunshine in Greiggs is August, with an average of 10.5h of sunshine.
September is the warmest month of the year, registering average temperatures as high as 28.7°C (83.7°F) and as low as 27.9°C (82.2°F).
November is the month with the most rainfall. Rain falls for 15.5 days and accumulates 40mm (1.57") of precipitation.
The month with the shortest days is December, with an average of 11h and 24min of daylight.
Greiggs does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.
December has the least sunshine of the year, with an average of 6.6h of sunshine.
Average temperature
Greiggs, 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
Greiggs, 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
Greiggs, 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
Greiggs, 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
Greiggs, 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
Greiggs, 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
Greiggs, Saint Vincent and the Grenadines
- Average daylight in January:
11h and 30min - 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 30min - 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
Greiggs, 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
Greiggs, 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
Greiggs, 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
Greiggs, 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).
