Climate and monthly weather forecast
Liberia, Costa Rica

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The climate of Liberia

Liberia's climate exhibits characteristics defined under the Köppen climate classification as Aw, otherwise known as tropical wet and dry or savanna climate. This type of climate implies relatively high temperatures throughout the entire year complemented with significant rainfall variations between the wet and dry seasons. Liberia benefits from its geographical location close to the equator, which contributes to a generally warm climate.

Throughout the year, Liberia sustains average high temperatures ranging from 29°C (84.2°F) in October and November to 34.9°C (94.8°F) in April. On the lower scale, average minimum temperatures fluctuate between 22°C (71.6°F) in January to 24.8°C (76.6°F) in May. Consistently high humidity, averaging between 62% in April to a high of 87% in October, adds to the overall warmth.

Rainfall presents a distinct contrast. The months from April to November witness substantial precipitation with levels mounting from 22mm (0.87") in April to a hefty 274mm (10.79") in October. However, the remaining months from December to March comparatively observe negligible rainfall, falling as low as a mere 1mm (0.04") in March. Incident daylight fluctuates subtly from 11.5 hours in December to 12.7 hours in June and July.

Wind speed varies from a low 6.8km/h (4.2mph) in September to a peak of 21.4km/h (13.3mph) in February. Cloud cover follows a similar pattern with 10-12% in dry months escalating to 46% during the rainy season.

The best time to visit Liberia

The ideal period to visit Liberia hinges on preferences for particular weather conditions. However, most tourists prefer the drier months from December to March. During this phase, average high temperatures persist between 29.5°C (85.1°F) to 33.8°C (92.8°F). Rainfall is scarce, averaging between 1mm (0.04") to 9mm (0.35"). Days are moderately long with daylight spanning between 11.5 to 12.1 hours.

The worst time to visit Liberia

Travelers desiring to sidestep the rainy season should avoid Liberia from May to November. During these months, heavy rainfall is frequent, with October witnessing the highest precipitation amounting to 274mm (10.79"). Additionally, humidity peaks in October at 87%, which combined with average high temperatures of 29°C (84.2°F) to 32.9°C (91.2°F), could make the weather uncomfortable for some visitors.

Spring weather in Liberia

The Liberian spring months from March to May transition towards the rainier part of the year. March is relatively dry with only 1mm (0.04") of rain, but April and May see significant increases in precipitation, reaching 22mm (0.87") and 149mm (5.87") respectively. Average temperatures are high, with maximum values varying from 33.8°C (92.8°F) to 34.9°C (94.8°F) and minimum temperatures ranging from 22.9°C (73.2°F) to 24.8°C (76.6°F).

Summer weather in Liberia

Summer in Liberia, extending from June through August, coincides with the height of the rainy season. Rainfall fluctuates between 135mm (5.31") to 180mm (7.09"), while average high temperatures range from 30.3°C (86.5°F) to 30.8°C (87.4°F). However, despite the increased rainfall, sunshine is plentiful, averaging between 9.3 hours to 9.9 hours/day in this period.

Autumn weather in Liberia

Autumn, comprising the months of September, October, and November, continues the trend of the rainy season. September and October experience significantly high rainfall, clocking 187mm (7.36") and 274mm (10.79") respectively. Come November, the downpour decreases considerably to 79mm (3.11"), signaling the onset of the dry season. Average high temperatures remain stable from 29°C (84.2°F) to 30.1°C (86.2°F).

Winter weather in Liberia

The winter months of December through February mark the dry season in Liberia. These months boast nominal rainfall, from a mere 9mm (0.35") in December to an even lower 2mm (0.08") in February. Sunshine is plentiful, with average daily sunshine hours resting between 9 to 9.6 hours. Average high temperatures, meanwhile, hover between 29.5°C (85.1°F) and 32.3°C (90.1°F), producing quite a warm winter.

Weather in January

During January in Liberia, Costa Rica, the weather is steadily warm. Relative humidity registers a lower than average value of 71%, allowing both locals and visitors to enjoy minimal discomfort and outdoor activities. Casual breezes, visible sunny skies due to lower cloud coverage provides a pleasant atmosphere. Weather in January »

Weather in February

In terms of temperature, February experiences a slight increase with minimal changes to the weather in Liberia. Most days of this month bask in sunshine, almost rivaling January, and rainfall also considerably lessens. A decrease in relative humidity, less than that of January, contributes to an overall warm and comfortable climate. Weather in February »

Weather in March

The month of March signals the onset of a drier season in Liberia. The weather generally remains steady with slight changes in various elements. The temperature, both at its peak and trough, showcases a minor increase compared to February, while the days are slightly longer, allowing more daylight. Weather in March »

Weather in April

April witnesses a significant increase in rainfall, indicating a transition from the dry season to the wetter months of the year. Despite the heavy showers, it is the warmest month in Liberia, Costa Rica. High temperatures peak at 34.9°C (94.8°F) while the low temperatures escalate to 24.2°C (75.6°F), making it important to pay attention to hydration and sun protection measures. Weather in April »

Weather in May

The month of May marks the official commencement of the rainy season with precipitation levels peaking at 149mm (5.87"). The weather in Liberia during this month experiences a shift due to change in climatic conditions. As rain showers become frequenter, temperatures start to drop slightly, offering a respite from the last month's intense heat. Weather in May »

Weather in June

Liberia weather in June sustains a typical combination of a wet season. Temperatures continue to slide, initiating a cooling trend for the rest of the year. Winds ease off, while daylight hours appear to be at their zenith. The increase in cloud cover limits the extent of sunshine received each day. Weather in June »

Weather in July

Weather of Liberia in the month of July is usually characterized by relative stability. July experiences a minor decrease in rainfall, a trend that extends from the month of June. Although the temperature ranges don't change significantly, the minimum slightly drops to 23.3°C (73.9°F). Weather in July »

Weather in August

The weather in August in Liberia, while similar in rain frequency to July, witnesses the highest monthly rainfall of the year, amassing 180mm (7.09"). The days become shorter with a drop in daylight hours, and cloud coverage continues to thicken, further limiting sunlight. Weather in August »

Weather in September

September is characterized by less visibility, dropping to 8km (5mi) from 9km (5.6mi) in August. This reduced visibility is due to heavy cloud cover, which also hampers sunshine hours. Liberia's weather continues to retain a cooler temperature, resembling the preceding months. Weather in September »

Weather in October

October ushers in the pinnacle of the rainy season in Liberia, with the highest number of rainy days totaling 27.2. Liberia's weather remains in a constant state of flux. However, with the days getting slightly longer, daytime temperatures see a minor rise further compounded by consistent cloud coverage. Weather in October »

Weather in November

As November sets in, Liberia starts transitioning out of the wet season. Albeit the overall weather variables remain consistent, a drastic decrease in rainfall occurs, down to 79mm (3.11") from October's 274mm (10.79"). Notable changes in climate in November include a visible reduction in the number of rainy days, an increase in hours of sunshine, and a drop in cloud coverage. Weather in November »

Weather in December

December in Liberia marks the end of the rainy season and the onset of promising dry months. Weather at this time is characterized by significantly reduced rainfall, a mere 9mm (0.35") compared to November's 79mm (3.11"). The number of rainy days correspondingly decline, bringing an end to consistent rain showers. Weather in December »

Frequently asked questions

How much does it rain in Liberia?

In Liberia, during the entire year, the rain falls for 188.5 days and collects up to 1202mm (47.32") of precipitation.

What are the months with the least sunshine in Liberia?

January and October, with an average of 7.6h of sunshine, are months with the least sunshine in Liberia.

What is the month with the highest UV index in Liberia?

The months with the highest UV index in Liberia, Costa Rica, are January through October and December, with an average maximum UV index of 7.

What is the driest month in Liberia?

March is the month with the least rainfall in Liberia. Rain falls for 3.1 days and accumulates 1mm (0.04") of precipitation.

What is the hottest time of year in Liberia?

In Liberia, the average temperatures in April are the highest, with a peak at 34.9°C (94.8°F) and a low of 24.2°C (75.6°F).

What is the least humid month in Liberia?

April is the least humid month in Liberia, with an average relative humidity of 62%.

When are the longest days in Liberia?

June has the longest days of the year, with an average of 12h and 42min of daylight.

What month has the most sunshine in Liberia?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What time of the year is the coldest in Liberia?

October tends to be the coldest month in Liberia, Costa Rica, with temperatures averaging a daily high of 29°C (84.2°F) and a low of 22.5°C (72.5°F).

What is the most humid month in Liberia?

With an average relative humidity of 87%, October is the most humid month in Liberia.

What is the wettest month in Liberia?

The month with the most rainfall in Liberia, Costa Rica, is October, when the rain falls for 27.2 days and typically aggregates up to 274mm (10.79") of precipitation.

What is the month with the lowest UV index in Liberia?

With an average maximum UV index of 6, November is the month with the lowest UV index.

What is the month with the shortest days in Liberia?

With an average of 11h and 30min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Liberia?

Liberia does not observe Daylight Saving Time (DST). CST timezone is used throughout the entire year.

Average temperature
Liberia, Costa Rica

Average temperature - Liberia, Costa Rica

The warmest month (with the highest average high temperature) is April (34.9°C).
The month with the lowest average high temperature is October (29°C).

The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (22°C).

Average pressure
Liberia, Costa Rica

Average pressure - Liberia, Costa Rica

The month with the highest atmospheric pressure is January (1011.3mbar).
The month with the lowest atmospheric pressure is October (1010.1mbar).

Average wind speed
Liberia, Costa Rica

Average wind speed - Liberia, Costa Rica

The windiest month (with the highest average wind speed) is February (21.4km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).

Average humidity
Liberia, Costa Rica

Average humidity - Liberia, Costa Rica

The month with the highest relative humidity is October (87%).
The month with the lowest relative humidity is April (62%).

Average rainfall
Liberia, Costa Rica

Average rainfall - Liberia, Costa Rica

The wettest month (with the highest rainfall) is October (274mm).
The driest month (with the least rainfall) is March (1mm).

Average rainfall days
Liberia, Costa Rica

Average rainfall days - Liberia, Costa Rica

The month with the highest number of rainy days is September (27.7 days).
The month with the least rainy days is February (2 days).

Average daylight / Average sunshine
Liberia, Costa Rica

Average daylight / Average sunshine - Liberia, Costa Rica

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and October (Average sunshine: 7h and 36min).

Average sunshine days
Liberia, Costa Rica

Average sunshine days - Liberia, Costa Rica

The month with the most sunshine days is March (28.8 days).
The month with the least sunshine days is September (1.1 days).

Average UV index
Liberia, Costa Rica

Average UV index - Liberia, Costa Rica

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).

Average visibility
Liberia, Costa Rica

Average visibility - Liberia, Costa Rica

The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are September and October (8km).

Liberia, Costa Rica

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