Climate and monthly weather forecastMonrovia, Liberia

The climate of Monrovia

Monrovia, the capital city of Liberia, is situated in a dominantly Am (Tropical Monsoon) Köppen climate zone. This hints toward general weather conditions that are characterized by high temperatures, significant humidity, and abundant rainfall. Monthly average high temperatures range narrowly from 26.2°C (79.2°F) to 29.9°C (85.8°F). Less variation is observed in low temperatures, fluctuating between 24.1°C (75.4°F) to 26.2°C (79.2°F) throughout the year.

Humidity levels remain fairly consistent, generally ranging from 76% to 86% relative humidity. On the other hand, rainfall shows a more distinct pattern. The rainy season spans from May to November, with monthly average rainfall peaking at 308mm (12.13") in June. During this period, the number of rainfall days also spike, reaching the high value of 30.3 days in October.

Monrovia's climate is also characterized by fairly consistent daylight hours, varying between 11.8 hours to 12.5 hours. However, sunshine hours and days prominently drop during the rainy season, reaching a low of 3.9 hours and 0.3 days respectively in August, due to the abundance of cloud cover. Wind speed varies from 7.9km/h (4.9mph) to 14.8km/h (9.2mph), with gusty winds becoming more common from May to September, a period that corresponds with the intense rainy season.

The best time to visit Monrovia

For a pleasant visit to Monrovia, the December to March period is suggested as the most appealing considering the city's tropical monsoon climate. During these months, average high temperatures remain at a balmy 28°C (82.4°F) to 29.9°C (85.8°F), while rainfall remains relatively low, with December witnessing just 59mm (2.32") across 19.2 days. These months also mark the sunniest time of the year, with daylight extending over approximately 11.8 hours. Average wind speeds hover around a gentle 8.5km/h (5.3mph) during December, making outdoor activities slightly more appealing.

The worst time to visit Monrovia

Considering the heavy rainfall and associated increase in humidity, the period from May to November might not offer the most comfortable visit to Monrovia. Particularly, June, the wettest month, witnesses average rain accumulation of up to 308mm (12.13") across nearly 29.3 days. Notably, the heightened cloud cover during this time reduces the available sunshine to 5.9 hours per day, further reducing the appeal for outdoor activities.

Spring weather in Monrovia

Defined by climbing temperatures and the onset of rains, March through May sees Monrovia transitioning from the dry to the rainy season. Average high temperatures increase slightly from 29.7°C (85.5°F) to 29.8°C (85.6°F), while low temperatures move up marginally from 25.7°C (78.3°F) to 26.2°C (79.2°F). Rainfall progressively increases across these months, from a moderate 38mm (1.5") in March to a substantial 164mm (6.46") in May.

Summer weather in Monrovia

Summer months - June through August - are the heart of the rainy season in Monrovia, marked by heavy rainfall, high humidity and cloud cover. The average high temperatures cool slightly to around 27°C (80.6°F), while low temperatures range between 24.1°C (75.4°F) and 25°C (77°F). Average rainfall reaches its peak at 308mm (12.13") in June and stays significant until August with 261mm (10.28").

Autumn weather in Monrovia

The rainy season continues throughout the autumn months of September through November, with average high temperatures recovering slightly to a range of 26.8°C (80.2°F) to 29.5°C (85.1°F) and low temperatures varying between 24.3°C (75.7°F) and 25.3°C (77.5°F). Although rainfall begins to taper off to 161mm (6.34") in November, the number of rain days remains high.

Winter weather in Monrovia

December through February are the driest months in Monrovia, which is characteristic of the city’s tropical monsoon climate. Average high temperatures range between 28.7°C (83.7°F) and 29.9°C (85.8°F), while the average low temperatures hover around a comfortable 25°C (77°F) to 25.3°C (77.5°F). Rainfall is significantly reduced to just 59mm (2.32") in December and continues to remain low through February, providing a respite from the high humidity and precipitation of previous months.

Weather in January

For Monrovia, Liberia, January comes with a high temperature of 29.9°C (85.8°F) and a low of 25.2°C (77.4°F), making it a hot beginning to the year. A significant point to note is the generous sunshine that January experiences, which totals to 9.3 hours coupled with a relative humidity of 76%. Weather in January »

Weather in February

February’s weather displays consistency, closely similar to January’s weather patterns. The temperature remains high while the humidity increases to 80%. Continuous rainfall, registering at 38mm (1.5"), is one of the distinctive features of February’s climate. Weather in February »

Weather in March

In Monrovia, March kicks off a phase of increased rainfall, an upward trend that persists until June. Examining the data exposes March as one of the months with substantial rainfall, recording 69mm (2.72"). The city adopts a damp atmosphere with a concurrent rise in humidity. Weather in March »

Weather in April

April comes with an increased precipitation pattern, signaling the acceleration of Monrovia's rainy season. A significant jump in rainfall from 72mm (2.83") in April warns of the impending heavy rains. The looming May precipitation is unveiled through the April's wet pattern. Weather in April »

Weather in May

Heavy rainfall characterizes May's weather, indicating the peak of Monrovia's rainy season. May is the wettest month, according to the data, with rainfall hitting a high of 164mm (6.46"). As May concludes, a sense of anticipation builds up for the anticipated break in Monrovia's monsoon cycle coming in June. Weather in May »

Weather in June

June shows a slight relief in rain though the city still endures a damp environment. Despite the easing up, the rainy trend remains distinctly noticeable, with the total rainfall of 308mm (12.13"). Although June weather shows a decrease in rainfall, the humidity level reaches its peak. Weather in June »

Weather in July

July brings a further depression in rainfall, coupled with a noticeable dip in temperature. The data reveals a relative moderation in rainfall, registering at 237mm (9.33") in July. A gradual downward trend in temperature can be noticed shifting into August. Weather in July »

Weather in August

August experiences a considerable downgrade in temperature but upholds the city's windy atmosphere. The temperature drops slightly to a high of 26.2°C (79.2°F), marking it as the coldest month in Monrovia. The winters’ presence is moderately strong, but a surge in wind speed spreads a cool atmosphere in the city. Weather in August »

Weather in September

September brings a slight turnaround in weather with a mild rise in temperature. The rainfall remains consistent at 265mm (10.43"), however, the humidity reaches its highest level of 86%. An increase in wind speed can be experienced while moving into October. Weather in September »

Weather in October

October sees a noticeable dwindle in precipitation, marking the start of a drying phase. A noteworthy decline in rainfall sets October apart, as it posts 238mm (9.37") in this month. The wind speed declines, and the weather becomes relatively calm with dropping humidity levels. Weather in October »

Weather in November

November brings the city's temperature and rainfall to a stabilization phase, setting the stage for the dry season to follow. November features a substantial drop in rainfall which stands at 161mm (6.34"). The decrease in rainfall is accompanied by a subtle drop in temperature as well. Weather in November »

Weather in December

December signals the year's end with consistent weather conditions showing minimal variation. The month experiences its lowest rainfall of 59mm (2.32"), announcing the arrival of the dry season. Comparing with the previous months, the difference in temperature, daylight hours, and sunshine isn't significant. Weather in December »