Do you need to know, when is the best time to go to Liberia? Then you should take a look here, what weather you can expect there during the year.
The climate of Liberia is tropical. You can expect significant rainfall during the rainy season from May to October, and sometimes harsh dusty winds in the other months of the year. 
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Buchanan, Central Liberia, Harper, Monrovia, Northern Liberia, Paynesville, Robertsport, Sapo National Park, Southern Liberia.
Let's look now what weather you can expect here. (Warning: As we don't have reliable data for this country, we use data from nearby locations for these statistics.) The warmest month here is February, the average maximum temperature is 31.9 ℃ (89.42 ℉). The average minimum temperature in this month is 18.3 ℃ (64.94 ℉). The coldest month here is August, the average maximum temperature is 26.5 ℃ (79.7 ℉). The average minimum temperature in this month is 20.7 ℃ (69.26 ℉). The most rainy month here is September, the average number of rainy days is 21.2. The least rainy month here is January, the average number of rainy days is 1. 
When travelling to some places in Liberia, always consider the altitude of the the place as well. The highest point here is Mount Wuteve (1447 m) and the lowest point is Atlantic Ocean (0 m). So the differences in altitudes in this country are not negligible and you should expect the weather to be different in places in different altitudes. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Liberia in January is this: The average highest temperature in Liberia in January is 31.1 ℃ (87.98 ℉). The average lowest temperature is 16.1 ℃ (60.98 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). The average number of rainy days in January is 1. The average rainfall is 9.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:40 (hours and minutes), in the middle of the month 11:43 and at the end of the month 11:47.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in February is this: The average highest temperature in Liberia in February is 31.9 ℃ (89.42 ℉). The average lowest temperature is 18.3 ℃ (64.94 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 31.85 ℃ (89.33 ℉). The average number of rainy days in February is 4.1. The average rainfall is 45.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:47 (hours and minutes), in the middle of the month 11:52 and at the end of the month 11:58.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in March is this: The average highest temperature in Liberia in March is 31.8 ℃ (89.24 ℉). The average lowest temperature is 20.6 ℃ (69.08 ℉). At the beginning of March you can expect higher temperatures, the average highest temperature is around 31.85 ℃ (89.33 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). The average number of rainy days in March is 8.9. The average rainfall is 111.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:58 (hours and minutes), in the middle of the month 12:04 and at the end of the month 12:11.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in April is this: The average highest temperature in Liberia in April is 31.1 ℃ (87.98 ℉). The average lowest temperature is 21.1 ℃ (69.98 ℉). At the beginning of April you can expect higher temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). The average number of rainy days in April is 11.9. The average rainfall is 157.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:11 (hours and minutes), in the middle of the month 12:17 and at the end of the month 12:23.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in May is this: The average highest temperature in Liberia in May is 30.2 ℃ (86.36 ℉). The average lowest temperature is 20.5 ℃ (68.9 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 29.75 ℃ (85.55 ℉). The average number of rainy days in May is 14. The average rainfall is 170.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:23 (hours and minutes), in the middle of the month 12:28 and at the end of the month 12:32.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in June is this: The average highest temperature in Liberia in June is 29.3 ℃ (84.74 ℉). The average lowest temperature is 20.7 ℃ (69.26 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 29.75 ℃ (85.55 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 28.55 ℃ (83.39 ℉). The average number of rainy days in June is 14.8. The average rainfall is 194.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:32 (hours and minutes), in the middle of the month 12:34 and at the end of the month 12:34.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Liberia in July is this: The average highest temperature in Liberia in July is 27.8 ℃ (82.04 ℉). The average lowest temperature is 19.7 ℃ (67.46 ℉). At the beginning of July you can expect higher temperatures, the average highest temperature is around 28.55 ℃ (83.39 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 27.15 ℃ (80.87 ℉). The average number of rainy days in July is 16.4. The average rainfall is 223.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:34 (hours and minutes), in the middle of the month 12:32 and at the end of the month 12:28.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in August is this: The average highest temperature in Liberia in August is 26.5 ℃ (79.7 ℉). The average lowest temperature is 20.7 ℃ (69.26 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 27.15 ℃ (80.87 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 27.45 ℃ (81.41 ℉). The average number of rainy days in August is 21.1. The average rainfall is 291.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:28 (hours and minutes), in the middle of the month 12:23 and at the end of the month 12:17.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in September is this: The average highest temperature in Liberia in September is 28.4 ℃ (83.12 ℉). The average lowest temperature is 20.5 ℃ (68.9 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 27.45 ℃ (81.41 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 29.2 ℃ (84.56 ℉). The average number of rainy days in September is 21.2. The average rainfall is 320.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:17 (hours and minutes), in the middle of the month 12:11 and at the end of the month 12:04.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in October is this: The average highest temperature in Liberia in October is 30 ℃ (86 ℉). The average lowest temperature is 19.9 ℃ (67.82 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 29.2 ℃ (84.56 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 30 ℃ (86 ℉). The average number of rainy days in October is 16.9. The average rainfall is 190.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:04 (hours and minutes), in the middle of the month 11:58 and at the end of the month 11:52.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in November is this: The average highest temperature in Liberia in November is 30 ℃ (86 ℉). The average lowest temperature is 19 ℃ (66.2 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 30 ℃ (86 ℉). At the end of November you can expect higher temperatures, the average highest temperature is around 30.2 ℃ (86.36 ℉). The average number of rainy days in November is 6.9. The average rainfall is 78.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:52 (hours and minutes), in the middle of the month 11:47 and at the end of the month 11:43.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Liberia in December is this: The average highest temperature in Liberia in December is 30.4 ℃ (86.72 ℉). The average lowest temperature is 17.2 ℃ (62.96 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 30.2 ℃ (86.36 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). The average number of rainy days in December is 2. The average rainfall is 23.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:43 (hours and minutes), in the middle of the month 11:40 and at the end of the month 11:40.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.