October weather forecastYonaguni, Japan

Weather in October

October, the same as September, is a moderately hot autumn month in Yonaguni, Japan, with an average temperature varying between 23.5°C (74.3°F) and 27.6°C (81.7°F).

Temperature

Yonaguni notes an average high-temperature of a still moderately hot 27.6°C (81.7°F) in October, hardly diverging from September. Yonaguni logs an average low-temperature of 23.5°C (74.3°F) during the nights of October, subtly lower than its daytime highs.

Heat index

The heat index for October is evaluated at a tropical 30°C (86°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In Yonaguni, the average relative humidity in October is 75%.

Rainfall

Throughout October, in Yonaguni, Japan, 228mm (8.98") of precipitation is accumulated. During the entire year, Yonaguni aggregates up to 2353mm (92.64") of precipitation.

Sea temperature

In Yonaguni, in October, the average water temperature is 27.8°C (82°F).
Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

The average length of the day in October is 11h and 35min.
On the first day of October, sunrise is at 06:39 and sunset at 18:35. On the last day of the month, sunrise is at 06:54 and sunset at 18:08 JST.

Sunshine

In October, the average sunshine is 4.4h.