Climate and monthly weather forecastLong Ground, Montserrat
Climate and monthly weather forecast
The climate of Long Ground
Nestled in paradise, Long Ground, Montserrat features a Tropical monsoon climate, identifiable under the Köppen climate classification as 'Am'. This climate type generally entails heavy, monsoon-like rainfall, particularly in the warmer months, consistent temperatures throughout the year, and high humidity levels.Surveying the climate parameters throughout the year, one consistently notices temperatures that remain relatively consistent. Highs range from 26.1°C (79°F) in March to a peak of 28.9°C (84°F) in September. Correspondingly, the low temperatures fluctuate from 24.9°C (76.8°F) in February to 27.8°C (82°F) in September. The temperature consistency reflects the tropical nature of this region.
Humidity remains fairly steady throughout the year, hovering around the 75%-78% mark. Rainfall follows a different pattern, escalating from 27mm (1.06") in February and March to 101mm (3.98") in October. The number of days with rainfall also displays an upward trend as the months progress, notable in the calculated 24.4 days in December, the highest count across a year.
One can discern a unique pattern of wind speeds in Long Ground. Commencing from an average speed of 24.2km/h (15mph) in April, wind speeds escalate to 27km/h (16.8mph) in July before dropping again to 19.8km/h (12.3mph) in October. In a similar vein, sunlight hours follow a bell curve pattern, starting from a low of 11.3h in January to a high of 13.1h in June, before swinging back down to 11.1h by December.
The best time to visit Long Ground
Given the tropical monsoon climate of Long Ground, the best time for a visit would be during periods with less rain, more sunlight, and moderate temperatures. That said, February through April emerges as an excellent choice. During these months, rainfall levitates around 27mm (1.06") to 43mm (1.69"), and the number of daylight hours increases from 11.6h to 12.5h. Concurrently, temperature highs remain consistent, ranging from 26.1°C (79°F) to 26.8°C (80.2°F), providing a warm yet comfortable environment.The worst time to visit Long Ground
Contrastingly, the period of September through December is less conducive for visits. September, in particular, sees the highest temperature of 28.9°C (84°F) and the second-highest measure of rainfall at 87mm (3.43"). October is the rainiest month with 101mm (3.98"), and December experiences the most rain-filled days at 24.4. Additionally, humidity remains consistently high during these months, reaching a peak of around 78%, contributing to potentially uncomfortable conditions for visitors.Spring weather in Long Ground
Spring in Long Ground, covering March through May, presents a palette of escalating temperatures and increasing rainfall. High temperatures rise from 26.1°C (79°F) in March to 27.4°C (81.3°F) in May, whereas rainfall jumps from 27mm (1.06") to 74mm (2.91"). Despite high humidity levels around 75%-78%, spring days are graced by an increase in daylight hours from 12.1h to 12.9h.Summer weather in Long Ground
Summer in Long Ground, spanning June through August, is marked by the year's highest temperatures and an escalation in rainfall. High temperatures hover around 28°C (82.4°F), and rainfall sees a swift jump from 48mm (1.89") to 78mm (3.07") in August. Notably, daylight hours peak to the longest during this season, reaching up to 13.1h in June.Autumn weather in Long Ground
Autumn, from September through November, ushers in a reduction in temperatures and an upturn in rainfall. High temperatures descend from 28.9°C (84°F) in September to 28°C (82.4°F) in November. Rainfall climaxes in October at 101mm (3.98"), coupled with the year’s highest number of rainy days. Despite these trends, daylight hours begin to gradually decrease.Winter weather in Long Ground
Winter months in Long Ground, December through February, experience a further decrease in temperatures and daylight hours, but an easing of rainfall. December marks the month with the most rain-soaked days at 24.4, yet the total rainfall falls to 56mm (2.2") by February. High temperatures rest in the range of 26.3°C (79.3°F) to 27.1°C (80.8°F), and daylight hours dwindle to 11.1h by the end of February, the year’s lowest.Weather in January
January in Long Ground, Montserrat, is characterized by a blend of high humidity and warmth. The temperature range extends from 25.3°C (77.5°F) to 26.3°C (79.3°F) while the climate remains humid at 75% relative humidity on average. Weather in January »Weather in February
If the wetter, windier January weather is not appealing, February offers a slightly drier climate. Snow is unheard of and minimum temperatures hover at around 24.9°C (76.8°F). The relative humidity stays stable at 75% much like in January. Weather in February »Weather in March
March marks the onset of an increase in temperatures, daylight hours and the amount of sunshine received. Temperatures fluctuate between 25.1°C (77.2°F) and 26.1°C (79°F). Long Ground remains unscathed by dust storms during this time with visibility maintained at 10 km. Weather in March »Weather in April
Montserrat braves fluctuations in temperatures in April. The month records its highest rainfall during the first four months, standing at 43mm (1.69"). The highest temperature tends to reach 26.8°C (80.2°F) whereas the minimum temperature is 25.8°C (78.4°F). Weather in April »Weather in May
In May, warmer weather conditions prevail in Long Ground, Montserrat. Rain showers are frequent accounting for 74mm (2.91") of rainfall over 23.3 days. The comparatively hotter days climb to 27.4°C (81.3°F), constituting the highest amongst the first five months. Weather in May »Weather in June
June witnesses the start of the infamous hurricane season in the Caribbean. The relative humidity remains constant at 77% as recorded in May. As a result of the prolonged daylight of 13.1 hours, temperatures can soar up to 28.2°C (82.8°F). Weather in June »Weather in July
With the peak of the hurricane season in sight, inflow of tourists might be lesser than usual in July. Thermometers record high temperatures of 28.3°C (82.9°F). The wind speed picks up from June, blowing at average speeds of 27km/h (16.8mph). Weather in July »Weather in August
Predictably, August continues the trend presented by the previous months. The climatic conditions display the highest temperature reading of 28.6°C (83.5°F). The wind speed decreases slightly from the preceding month, measuring 24.9km/h (15.5mph) on average. Weather in August »Weather in September
In September, weather conditions start to cool off in Montserrat. Despite reaching its annual peak at 28.9°C (84°F), the evenings grow cooler as temperatures drop to 27.8°C (82°F). The average wind speed decreases to 20.5km/h (12.7mph), which is the lowest of the year. Weather in September »Weather in October
Amidst the transition of weather conditions, October sees the start of cooler conditions. The temperatures maintain a range between 27.6°C (81.7°F) and 28.6°C (83.5°F). However, October witnesses the highest annual rainfall of 101mm (3.98") over 24 days. Weather in October »Weather in November
November experiences fewer daylight hours which reduces to an average of 11.4 hours. The relative humidity holds constant at 76% and makes the weather feel cooler. The wind speed starts to increase again, averaging at 21.3km/h (13.2mph). Weather in November »Weather in December
December marks the end of the year with slightly cooler and drier conditions. Long Ground experiences the lowest temperatures of the year, plummeting to 25.9°C (78.6°F). 56mm (2.2") of rainfall is expected over the course of 24.4 days. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Long Ground, Montserrat
The warmest month (with the highest average high temperature) is September (28.9°C).
The month with the lowest average high temperature is March (26.1°C).
The month with the highest average low temperature is September (27.8°C).
The coldest month (with the lowest average low temperature) is February (24.9°C).
Average pressure
Long Ground, Montserrat
- Average pressure in January:
1016mbar - Average pressure in February:
1015.9mbar - Average pressure in March:
1015.6mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.8mbar - Average pressure in August:
1014.4mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1012.4mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1014.7mbar
The months with the highest atmospheric pressure are January and June (1016mbar).
The months with the lowest atmospheric pressure are October and November (1012.4mbar).
Average wind speed
Long Ground, Montserrat
- Average wind speed in January:
26.1km/h - Average wind speed in February:
26km/h - Average wind speed in March:
24.6km/h - Average wind speed in April:
24.2km/h - Average wind speed in May:
24.6km/h - Average wind speed in June:
25.8km/h
- Average wind speed in July:
27km/h - Average wind speed in August:
24.9km/h - Average wind speed in September:
20.5km/h - Average wind speed in October:
19.8km/h - Average wind speed in November:
21.3km/h - Average wind speed in December:
24.9km/h
The windiest month (with the highest average wind speed) is July (27km/h).
The calmest month (with the lowest average wind speed) is October (19.8km/h).
Average humidity
Long Ground, Montserrat
The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).
Average rainfall
Long Ground, Montserrat
The wettest month (with the highest rainfall) is October (101mm).
The driest months (with the least rainfall) are February and March (27mm).
Average rainfall days
Long Ground, Montserrat
- Average rainfall days in January:
22.8 days - Average rainfall days in February:
19 days - Average rainfall days in March:
18.7 days - Average rainfall days in April:
21.9 days - Average rainfall days in May:
23.3 days - Average rainfall days in June:
19.1 days
- Average rainfall days in July:
22.8 days - Average rainfall days in August:
23.3 days - Average rainfall days in September:
23.2 days - Average rainfall days in October:
24 days - Average rainfall days in November:
23.9 days - Average rainfall days in December:
24.4 days
The month with the highest number of rainy days is December (24.4 days).
The month with the least rainy days is March (18.7 days).
Average daylight / Average sunshine
Long Ground, Montserrat
- Average daylight in January:
11h and 18min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 54min - Average daylight in June:
13h and 6min
- Average daylight in July:
13h and 0min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in January:
7h and 24min - Average sunshine in February:
9h and 6min - Average sunshine in March:
9h and 0min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 54min - Average sunshine in September:
10h and 48min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days
Long Ground, Montserrat
- Average sunshine days in January:
3.5 days - Average sunshine days in February:
3.8 days - Average sunshine days in March:
5.9 days - Average sunshine days in April:
3.6 days - Average sunshine days in May:
2.4 days - Average sunshine days in June:
2.2 days
- Average sunshine days in July:
1.8 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
3.9 days - Average sunshine days in October:
3.7 days - Average sunshine days in November:
2.9 days - Average sunshine days in December:
2.8 days
The month with the most sunshine days is March (5.9 days).
The month with the least sunshine days is July (1.8 days).
Average UV index
Long Ground, Montserrat
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
Long Ground, Montserrat
The months with the most cloud cover are June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility
Long Ground, Montserrat
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).





