Do you need to know, when is the best time to go to Palau? Then you should take a look here, what weather you can expect there during the year.
The climate of Palau is tropical. You can expect hot and humid weather. Wet season is from May to November, but rainfall can be heavy throughout the year. But there is still much sunshine even in wet season.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Koror, Melekeok.
Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is May, the average maximum temperature is 32.6 ℃ (90.68 ℉). The average minimum temperature in this month is 24.8 ℃ (76.64 ℉). The coldest month here is July, the average maximum temperature is 31 ℃ (87.8 ℉). The average minimum temperature in this month is 24.6 ℃ (76.28 ℉). 
Typical (usual) weather in Palau in January is this: The average highest temperature in Palau in January is 31.9 ℃ (89.42 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 31.85 ℃ (89.33 ℉). The average rainfall is 274.4 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 11:42 (hours and minutes), in the middle of the month 11:44 and at the end of the month 11:48.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in February is this: The average highest temperature in Palau in February is 31.8 ℃ (89.24 ℉). The average lowest temperature is 24.5 ℃ (76.1 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around 31.85 ℃ (89.33 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). The average rainfall is 235.1 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 11:48 (hours and minutes), in the middle of the month 11:53 and at the end of the month 11:59.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in March is this: The average highest temperature in Palau in March is 31.1 ℃ (87.98 ℉). The average lowest temperature is 24.5 ℃ (76.1 ℉). At the beginning of March you can expect higher temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). The average rainfall is 212.6 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 11:59 (hours and minutes), in the middle of the month 12:05 and at the end of the month 12:11.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in April is this: The average highest temperature in Palau in April is 31.9 ℃ (89.42 ℉). The average lowest temperature is 25.4 ℃ (77.72 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 32.25 ℃ (90.05 ℉). The average rainfall is 216.7 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 12:22.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in May is this: The average highest temperature in Palau in May is 32.6 ℃ (90.68 ℉). The average lowest temperature is 24.8 ℃ (76.64 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 32.25 ℃ (90.05 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). The average rainfall is 308.3 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 12:22 (hours and minutes), in the middle of the month 12:27 and at the end of the month 12:30.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in June is this: The average highest temperature in Palau in June is 31.7 ℃ (89.06 ℉). The average lowest temperature is 25.1 ℃ (77.18 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 31.35 ℃ (88.43 ℉). The average rainfall is 439.4 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 12:30 (hours and minutes), in the middle of the month 12:32 and at the end of the month 12:32.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in July is this: The average highest temperature in Palau in July is 31 ℃ (87.8 ℉). The average lowest temperature is 24.6 ℃ (76.28 ℉). At the beginning of July you can expect higher temperatures, the average highest temperature is around 31.35 ℃ (88.43 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 31.15 ℃ (88.07 ℉). The average rainfall is 458.9 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 12:30 and at the end of the month 12:27.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in August is this: The average highest temperature in Palau in August is 31.3 ℃ (88.34 ℉). The average lowest temperature is 25 ℃ (77 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 31.15 ℃ (88.07 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). The average rainfall is 379.3 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 12:27 (hours and minutes), in the middle of the month 12:22 and at the end of the month 12:16.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in September is this: The average highest temperature in Palau in September is 31.6 ℃ (88.88 ℉). The average lowest temperature is 25.6 ℃ (78.08 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 31.3 ℃ (88.34 ℉). The average rainfall is 303.6 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 12:16 (hours and minutes), in the middle of the month 12:10 and at the end of the month 12:04.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in October is this: The average highest temperature in Palau in October is 31 ℃ (87.8 ℉). The average lowest temperature is 25.6 ℃ (78.08 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 31.3 ℃ (88.34 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). The average rainfall is 359 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 11:59 and at the end of the month 11:53.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in November is this: The average highest temperature in Palau in November is 31.4 ℃ (88.52 ℉). The average lowest temperature is 24.6 ℃ (76.28 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). At the end of November you can expect higher temperatures, the average highest temperature is around 31.9 ℃ (89.42 ℉). The average rainfall is 285.6 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 11:53 (hours and minutes), in the middle of the month 11:48 and at the end of the month 11:44.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Palau in December is this: The average highest temperature in Palau in December is 32.4 ℃ (90.32 ℉). The average lowest temperature is 24.4 ℃ (75.92 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 31.9 ℃ (89.42 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). The average rainfall is 305.2 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 11:44 (hours and minutes), in the middle of the month 11:42 and at the end of the month 11:41.These numbers above are valid primarily for the capital and the area around it.