Climate and monthly weather forecastGreenville, Liberia
Climate and monthly weather forecast
The climate of Greenville
Situated in the western hemisphere, Greenville, Liberia, is predominantly characterized by a Tropical Monsoon climate, as classified by the Köppen climate system. Predominant throughout the year is a high-relative humidity, averaging at around 83%, with minimal variations.Consistent high humidity is accompanied by an abundance of rainfall, which forms a significant part of the weather conditions in Greenville. Peaks of rainfall volume extend from the onset of May to November, with volumes ranging from a high of 174mm (6.85") in June to a lower limit of 116mm (4.57") in November. Outside of these rainfall-heavy months, residents can expect lower volumes of rain from as low as 36mm (1.42") in August to 66mm (2.6") in January.
Sunshine duration ties closely with rainfall trends, with a decrease in sunlight hours seen during high rainfall periods. During rainy seasons, the number of sunshine hours can fall to as low as 3.9 hours per day in August and September. However, these numbers increase drastically as rainfall decreases, leading to up to 8.8 hours of sunlight in January.
The temperatures stay consistently high year-round, with negligible fluctuations. Maximum temperatures hover around 30°C (86°F), and minimum temperatures not falling below 23.1°C (73.6°F) in August, offering a warm tropical experience throughout the seasons.
The Best Time to Visit Greenville
For weather-based preferences, the best time to visit Greenville would be from December to April. During this period, rainfall volumes decrease significantly, with the lowest quantity of 36mm (1.42") being recorded in August. Accompanied by this is an increase in sunlight hours, regularly reaching a peak of 8.8 in January. Lower humidity is also a feature of this period, providing a more comfortable visit. Temperature variations remain minimal, making these months perfect for those who enjoy basking in temperatures of around 30°C (86°F).The Worst Time to Visit Greenville
If wanting to avoid heavy rainfall and high humidity, May to November may not be the best time for a visit. During these months, Greenville experiences its highest rainfall. The peak is reached in June with 174mm (6.85") and reducing incrementally to 116mm (4.57") in November. Accompanying this rainfall surge is a high humidity that can reach up to 87%, in August and September. As a consequence, sunshine hours decrease significantly, making outdoor activities less inviting.Spring Weather in Greenville
Greenville does not experience Spring in the traditional sense due to its tropical climate. However, the months of March to May can be compared to a traditional Spring season, characterized by high temperatures and increased rainfall. During this time, Greenville experiences temperatures from 25.3°C (77.5°F) to 30.5°C (86.9°F), and rainfall can surge to 103mm (4.06") in March, reaching a high of 160mm (6.3") in May.Summer Weather in Greenville
Typically, summer months in Greenville range from June to August. During this period, temperatures fluctuate narrowly from a maximum of 29.3°C (84.7°F) in June to 26°C (78.8°F) in August. Moreover, rainfall continues to be high, encompassing yearly peaks with 174mm (6.85") in June, while the relative humidity soars to an annual high of 87% in July and August.Autumn Weather in Greenville
The tropical Autumn months, from September to November, have more consistent temperatures. During this period, the temperature varies from 26.4°C (79.5°F) in September to a yearly low of 26°C (78.8°F) in October. Even as rainfall decreases over these months, it remains considerable, from 82mm (3.23") in September to 116mm (4.57") in November.Winter Weather in Greenville
Lastly, the tropical Winter, from December to February, brings comparatively lower rainfall, lower humidity, and consistent high temperatures. Temperatures barely shift from 30°C (86°F) in December and January to 30.2°C (86.4°F) in February. Correspondingly, rainfall diminishes to a low 66mm (2.6") in January, and humidity also moderately decreases. These months involve a higher rate of sunshine, going from 11.9 hours per day in December to 12.1 hours in February.Weather in January
With a welcoming start to the year, the weather pattern in Greenville, Liberia shifts from the chilly season to a slightly milder one. The temperatures slightly rise in comparison to December, with highs registering at approximately 30°C (86°F), and lows hovering at around 24.4°C (75.9°F). Weather in January »Weather in February
The warm temperatures in Greenville continue into February. The most notable change during this month involves the rainfall levels, which elevate from the previous month, registering at around 83mm (3.27"). This rise is complemented by an increase in the number of rainy days. Weather in February »Weather in March
The rise in rainfall from February peaks in March, resulting in the town recording the highest rain volume of the year at approximately 103mm (4.06"). Sunlight hours plateau, but the town still receives considerable sunlight throughout the day. Weather in March »Weather in April
Transitioning from March, April's weather maintains a consistent precipitation pattern, with rainfall levels receding slightly to 87mm (3.43"). The daylight hours marginally increase, marking the onset of longer sunlit days. However, residents and tourists should prepare for high humidity levels that persist into this month. Weather in April »Weather in May
In contrast to the previous months, May records an abrupt rise in rainfall, amounting to approximately 160mm (6.3"). The number of days with rainfall also upsurge, marking the onset of the rainy season. On account of this, Greenville is characterised by wetter and cooler days during this month, compared to the previous months. Weather in May »Weather in June
June continues the trend begun in May, with the year's maximum rainfall being recorded at approximately 174mm (6.85"). This month stands out because despite having fewer rainy days, it's the wettest month of the year. It remains largely cloudy, with less sunshine hours compared to the previous months. Weather in June »Weather in July
July breaks from June's weather extremes, recording a significant drop in rainfall to around 56mm (2.2"). Although cooler months are often linked to increased wind speeds, Greenville experiences a steady decline during this month. Weather in July »Weather in August
Come August, rainfall continues to subside, providing a brief respite from the preceding wet months. The recorded precipitation falls to around 36mm (1.42"), making it the driest month of the year. This decline accompanies a drop in temperature, establishing a slightly cooler atmosphere compared to the previous months. Weather in August »Weather in September
Transitioning into September, the weather in Greenville becomes notable for the rising rainfall, which amounts to roughly 82mm (3.23"). Though the sea temperatures remain relatively constant compared to August, the daylight period witnesses a slight decrease. Weather in September »Weather in October
October brings about a continued increase of rainfall from September, soaring to about 142mm (5.59"). Alongside the increased precipitation, pressure levels decrease, shaping the weather pattern for this month. Despite these changes, Greenville's temperatures remain relatively constant, making it warm throughout this period. Weather in October »Weather in November
November's weather continues the trend of increased rainfall begun in October, but it heightens to approximately 116mm (4.57"). It marks the end of the rainy season, preparing the way for the drier months ahead. Despite the high precipitation, sunshine hours increase compared to October, indicating more sunlit days. Weather in November »Weather in December
As the year comes to a close, Greenville's weather in December reveals a decrease in rainfall to about 95mm (3.74"). This marks a transition into the drier months, just as the New Year begins. However, despite the decreasing precipitation, December has more rainy days compared to November. Weather in December »Updated: Aug 30, 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
With an average relative humidity of 79%, January is the least humid month.
In Greenville, during the entire year, the rain falls for 294.8 days and collects up to 1200mm (47.24") of precipitation.
January has the most sunshine of the year, with an average of 8.8h of sunshine.
The months with the highest UV index are January through May and December, with an average maximum UV index of 7.
Greenville's April weather, marked by an average high temperature of 30.5°C (86.9°F) and an average low temperature of 25.4°C (77.7°F), is the warmest in the year.
The month with the warmest seawater is May, with an average sea temperature of 29.1°C (84.4°F).
June is the month with the most rainfall. Rain falls for 25 days and accumulates 174mm (6.85") of precipitation.
June has the longest days of the year, with an average of 12h and 24min of daylight.
The months with the lowest UV index in Greenville are July and August, with an average maximum UV index of 5.
Greenville's August weather, with an average high temperature of 26°C (78.8°F) and an average low temperature of 23.1°C (73.6°F), tends to be the coldest of the year.
August is the month with the least rainfall. Rain falls for 20 days and accumulates 36mm (1.42") of precipitation.
The month with the coldest seawater is August, with an average sea temperature of 26.7°C (80.1°F).
August and September, with an average of 3.9h of sunshine, are months with the least sunshine.
September and October, with an average relative humidity of 87%, are most humid months in Greenville.
The month with the shortest days in Greenville is December, with an average of 11h and 48min of daylight.
Greenville does not utilize Daylight Saving Time (DST). GMT timezone is used throughout the entire year.
Average temperature
Greenville, Liberia
The warmest month (with the highest average high temperature) is April (30.5°C).
The month with the lowest average high temperature is August (26°C).
The month with the highest average low temperature is April (25.4°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).
Average pressure
Greenville, Liberia
- Average pressure in January:
1011.1mbar - Average pressure in February:
1010.4mbar - Average pressure in March:
1010.4mbar - Average pressure in April:
1010.5mbar - Average pressure in May:
1011.7mbar - Average pressure in June:
1013.6mbar
- Average pressure in July:
1014.4mbar - Average pressure in August:
1014.2mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1011.8mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed
Greenville, Liberia
- Average wind speed in January:
8.8km/h - Average wind speed in February:
9.7km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
9.4km/h - Average wind speed in May:
9.1km/h - Average wind speed in June:
11.2km/h
- Average wind speed in July:
12.6km/h - Average wind speed in August:
12.9km/h - Average wind speed in September:
11.5km/h - Average wind speed in October:
9.8km/h - Average wind speed in November:
8.1km/h - Average wind speed in December:
8.3km/h
The windiest month (with the highest average wind speed) is August (12.9km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity
Greenville, Liberia
The months with the highest relative humidity are September and October (87%).
The month with the lowest relative humidity is January (79%).
Average rainfall
Greenville, Liberia
- Average rainfall in January:
66mm - Average rainfall in February:
83mm - Average rainfall in March:
103mm - Average rainfall in April:
87mm - Average rainfall in May:
160mm - Average rainfall in June:
174mm
The wettest month (with the highest rainfall) is June (174mm).
The driest month (with the least rainfall) is August (36mm).
Average rainfall days
Greenville, Liberia
- Average rainfall days in January:
22.3 days - Average rainfall days in February:
23.7 days - Average rainfall days in March:
25.6 days - Average rainfall days in April:
24.2 days - Average rainfall days in May:
26.8 days - Average rainfall days in June:
25 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
20 days - Average rainfall days in September:
25.1 days - Average rainfall days in October:
28.8 days - Average rainfall days in November:
28.1 days - Average rainfall days in December:
25.4 days
The month with the highest number of rainy days is October (28.8 days).
The month with the least rainy days is July (19.8 days).
Average sea temperature
Greenville, Liberia
The best month for swimming (with the highest average sea temperature) is May (29.1°C).
The coldest month (with the lowest average sea temperature) is August (26.7°C).
Average daylight / Average sunshine
Greenville, Liberia
- Average daylight in January:
11h and 54min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 24min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 54min - Average daylight in December:
11h and 48min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
8h and 48min - Average sunshine in February:
8h and 24min - Average sunshine in March:
8h and 36min - Average sunshine in April:
8h and 36min - Average sunshine in May:
7h and 30min - Average sunshine in June:
4h and 42min
- Average sunshine in July:
4h and 18min - Average sunshine in August:
3h and 54min - Average sunshine in September:
3h and 54min - Average sunshine in October:
5h and 36min - Average sunshine in November:
7h and 48min - Average sunshine in December:
8h and 42min
The month with the most sunshine is January (Average sunshine: 8h and 48min).
The months with the least sunshine are August and September (Average sunshine: 3h and 54min).
Average sunshine days
Greenville, Liberia
- Average sunshine days in January:
6.4 days - Average sunshine days in February:
3.2 days - Average sunshine days in March:
3.3 days - Average sunshine days in April:
3.9 days - Average sunshine days in May:
3.3 days - Average sunshine days in June:
4 days
- Average sunshine days in July:
8.5 days - Average sunshine days in August:
8.5 days - Average sunshine days in September:
3.6 days - Average sunshine days in October:
1.5 days - Average sunshine days in November:
1.4 days - Average sunshine days in December:
3.3 days
The months with the most sunshine days are July and August (8.5 days).
The month with the least sunshine days is November (1.4 days).
Average UV index
Greenville, Liberia
The months with the highest UV index are January, February, March, April, May and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover
Greenville, Liberia
The month with the most cloud cover is September (Cloud cover 76).
The month with the least cloud cover is January (Cloud cover 32).
Average visibility
Greenville, Liberia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
