October weather forecastHeda, Japan
October
Weather in October
October, like September, is another pleasant autumn month in Heda, Japan, with an average temperature fluctuating between 20.4°C (68.7°F) and 15.4°C (59.7°F).Temperature
The shift from September to October coincides with a small decrease in the average high-temperature, down to an agreeable 20.4°C (68.7°F) from a moderately hot 25.2°C (77.4°F). Heda experiences a subtle drop in temperature during the October nights, recording an average of 15.4°C (59.7°F).Humidity
In October, the average relative humidity in Heda is 78%.Rainfall
In Heda, in October, during 16.4 rainfall days, 160mm (6.3") of precipitation is typically accumulated. Throughout the year, there are 189.9 rainfall days, and 1352mm (53.23") of precipitation is accumulated.Snowfall
In Heda, Japan, snow does not fall in March through November.Sea temperature
In Heda, Japan, the average seawater temperature in October is 23.4°C (74.1°F).Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 23.4°C (74.1°F) waters. For reference, Olympians swim in waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
In October, the average length of the day is 11h and 19min.On the first day of October, sunrise is at 05:39 and sunset at 17:29. On the last day of the month, sunrise is at 06:05 and sunset at 16:51 JST.
Sunshine
In October, the average sunshine is 7.1h.UV index
The average daily maximum UV index in October in Heda is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during October translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Heda, Japan
- Average high temperature in October: 20.4°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (8.2°C).
- Average low temperature in October: 15.4°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in October
Heda, Japan
- Average pressure in October: 1016.3mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in October
Heda, Japan
- Average wind speed in October: 11.7km/h
The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in October
Heda, Japan
- Average humidity in October: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).
Average rainfall in October
Heda, Japan
- Average rainfall in October: 160mm
The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is January (50mm).
Average rainfall days in October
Heda, Japan
- Average rainfall days in October: 16.4 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in October
Heda, Japan
- Average snowfall in October: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in October
Heda, Japan
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in October
Heda, Japan
- Average sea temperature in October: 23.4°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in October /
Average sunshine in October
Heda, Japan
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 7h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in October
Heda, Japan
- Average sunshine days in October: 11.6 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (4.3 days).
Average UV index in October
Heda, Japan
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in October
Heda, Japan
- Average cloud cover in October: 41
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility in October
Heda, Japan
- Average visibility in October: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).





