Pearl City
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Pearl City, HI

January, the same as December, is another warm winter month in Pearl City, Hawaii, with average temperature fluctuating between 75.7°F (24.3°C) and 69.1°F (20.6°C). In January, the average high-temperature is essentially the same as in December - a still warm 75.7°F (24.3°C). Weather in January »

February, the last month of the winter, in Pearl City, is also a moderately hot month, with average temperature fluctuating between 75.4°F (24.1°C) and 68°F (20°C). The coldest months are February and March, with an average high-temperature of 75.4°F (24.1°C). Weather in February »

March, the first month of the spring, in Pearl City, is still a warm month, with average temperature fluctuating between 68.5°F (20.3°C) and 75.4°F (24.1°C). February and March, with an average high-temperature of 75.4°F (24.1°C), are the coldest months. Weather in March »

April, the same as March, is another warm spring month in Pearl City, Hawaii, with average temperature fluctuating between 76.8°F (24.9°C) and 70.7°F (21.5°C). In Pearl City, the average high-temperature in April is essentially the same as in March - a still warm 76.8°F (24.9°C). Weather in April »

The last month of the spring, May, is another warm month in Pearl City, Hawaii, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 78.6°F (25.9°C). In Pearl City, the average high-temperature in May is essentially the same as in April - a still moderately hot 78.6°F (25.9°C). Weather in May »

June, the first month of the summer, in Pearl City, is also a moderately hot month, with average temperature fluctuating between 73.4°F (23°C) and 79.7°F (26.5°C). In June, the average high-temperature is relatively the same as in May - a still moderately hot 79.7°F (26.5°C). Weather in June »

July, like June, in Pearl City, Hawaii, is a moderately hot summer month, with average temperature fluctuating between 74.5°F (23.6°C) and 81.1°F (27.3°C). In July, the average high-temperature is essentially the same as in June - a still moderately hot 81.1°F (27.3°C). Weather in July »

August, the last month of the summer, in Pearl City, is another warm month, with average temperature fluctuating between 82°F (27.8°C) and 74.8°F (23.8°C). August and September, with an average high-temperature of 82°F (27.8°C), are the warmest months. The average heat index in August is calculated to a hot 87.6°F (30.9°C). Weather in August »

September, the first month of the autumn, in Pearl City, is also a moderately hot month, with average temperature ranging between max 82°F (27.8°C) and min 75°F (23.9°C). August and September, with an average high-temperature of 82°F (27.8°C), are the warmest months. In September, the average heat index is estimated at a tropical 87.4°F (30.8°C). Weather in September »

October, the same as September, is another warm autumn month in Pearl City, Hawaii, with average temperature fluctuating between 74.7°F (23.7°C) and 81.1°F (27.3°C). In October, the average high-temperature is relatively the same as in September - a still warm 81.1°F (27.3°C). Weather in October »

November, the last month of the autumn, in Pearl City, is also a moderately hot month, with temperature in the range of an average low of 73.2°F (22.9°C) and an average high of 79°F (26.1°C). In November, the average high-temperature is practically the same as in October - a still warm 79°F (26.1°C). Weather in November »

December, the first month of the winter, in Pearl City, is still a warm month, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 76.5°F (24.7°C). In December, the average high-temperature is essentially the same as in November - a still moderately hot 76.5°F (24.7°C). Weather in December »

How much does it rain in Pearl City?

Throughout the year, in Pearl City, Hawaii, there are 208.4 rainfall days, and 16.5" (419mm) of precipitation is accumulated.

What is the month with the lowest UV index in Pearl City?

Months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6.

What are the coldest months in Pearl City?

The coldest months are February and March, with an average high-temperature of 75.4°F (24.1°C).

What is the most humid month in Pearl City?

February and December, with an average relative humidity of 76%, are most humid months in Pearl City, Hawaii.

When is the ocean coldest in Pearl City?

With an average ocean temperature of 75.7°F (24.3°C), March is the month with the coldest seawater.

What is the least humid month in Pearl City?

Months with the lowest humidity are April through June and September, with an average relative humidity of 74%.

When are the longest days in Pearl City?

June has the longest days of the year in Pearl City, with an average of 13.4h of daylight.

What month has the most sunshine in Pearl City?

With an average of 9.9h of sunshine, June has the most sunshine of the year.

What is the driest month in Pearl City?

The month with the least rainfall in Pearl City, Hawaii, is July when the rain falls for 16.4 days and typically collects 0.71" (18mm) of precipitation.

What are the warmest months in Pearl City?

August and September, with an average high-temperature of 82°F (27.8°C), are warmest months.

What month is the ocean warmest in Pearl City?

September is the month with the warmest seawater in Pearl City, Hawaii, with an average ocean temperature of 80.4°F (26.9°C).

What is the month with the highest UV index in Pearl City?

The month with the highest UV index in Pearl City is September, with an average maximum UV index of 7.

What is the wettest month in Pearl City?

October is the month with the most rainfall. Rain falls for 18.4 days and accumulates 2.09" (53mm) of precipitation.

What is the month with the least sunshine in Pearl City?

Months with the least sunshine are November and December, with an average of 6.3h of sunshine.

What is the month with the shortest days in Pearl City?

With an average of 10.8h of daylight, December has the shortest days of the year.
Average temperature - Pearl City, HI
Average humidity - Pearl City, HI

Months with the highest relative humidity are February and December (76%).
Months with the lowest relative humidity are April, May, June and September (74%).

Average rainfall - Pearl City, HI

The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the lowest rainfall) is July (0.71").

Average rainfall days - Pearl City, HI

The month with the highest number of rainy days is March (20 days).
The month with the lowest number of rainy days is January (13.5 days).

Average sea temperature - Pearl City, HI

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight / Average sunshine - Pearl City, HI

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.8h).

The month with most sunshine is June (Average sunshine: 9.9h).
Months with least sunshine are November and December (Average sunshine: 6.3).

Average UV index - Pearl City, HI

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