Hana
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Hana, HI

October, the same as September, is another warm autumn month in Hana, Hawaii, with average temperature ranging between max 82°F (27.8°C) and min 70°F (21.1°C).

Temperature

In October, the average high-temperature is practically the same as in September - a still moderately hot 82°F (27.8°C). The average low-temperature, in October, is 70°F (21.1°C).

Rainfall

In Hana, it is raining for 15 days, with typically 7.3" (184.9mm) of accumulated precipitation. Throughout the year, there are 171 rainfall days, and 82.5" (2096.7mm) of precipitation is accumulated.

Ocean temperature

In Hana, the average water temperature is 79.3°F (26.3°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Hana, the average length of the day is 11.7h.

Sunshine

In October, the average sunshine in Hana, Hawaii, is 7h.

UV index

The average daily maximum UV index in October is 9. A UV Index reading of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in October in Hana?

The average high-temperature, in October, is 82°F (27.8°C), while the average low-temperature is 70°F (21.1°C).

How much does it rain in Hana in October?

In Hana, during October, the rain falls for 15 days and regularly aggregates up to 7.3" (184.9mm) of precipitation.

What is the ocean temperature in October in Hana?

In Hana, Hawaii, the average seawater temperature in October is 79.3°F (26.3°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in October in Hana?

In Hana, Hawaii, the average length of the day in October is 11.7h.

How long on average sun shines in October in Hana?

The average sunshine in October is 7h.

What is the UV index intensity in October in Hana?

In Hana, Hawaii, the average daily maximum UV index in October is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in October - Hana, HI
  • Average high temperature in October: 27.8°C

Warmest months (with the highest average high temperature) are August and September (28.3°C).
Months with the lowest average high temperature are January, February and March (25.6°C).

  • Average low temperature in October: 21.1°C

The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is February (17.8°C).

Average rainfall in October - Hana, HI
  • Average rainfall in October: 184.9mm

The wettest month (with the highest rainfall) is March (241.8mm).
The driest month (with the lowest rainfall) is June (103.6mm).

Average rainfall days in October - Hana, HI
  • Average rainfall days in October: 15 days

Months with the highest number of rainy days are April, July and August (16 days).
Months with the lowest number of rainy days are January and February (12 days).

Average sea temperature in October - Hana, HI
  • Average sea temperature in October: 26.3°C

The best month for swimming (with the highest average sea temperature) is September (26.7°C).
The coldest month (with the lowest average sea temperature) is March (24.3°C).

Average daylight in October / Average sunshine in October - Hana, HI
  • Average daylight in October: 11.7h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in October: 7h

Months with most sunshine are June, July, August and September (Average sunshine: 8h).
Months with least sunshine are November and December (Average sunshine: 6).

Average UV index in October - Hana, HI
  • Average UV index in October: 9

Months with the highest UV index are June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).