Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The average high-temperature decreases in October, shifting from a warm 26.9°C (80.4°F) in September to a pleasant 21.5°C (70.7°F). Roppongi observes an average low-temperature of 16.4°C (61.5°F) during October nights.Humidity
The average relative humidity in October in Roppongi is 73%.Rainfall
In Roppongi, in October, during 11.1 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Roppongi, during the entire year, the rain falls for 125.3 days and collects up to 359mm (14.13") of precipitation.Snowfall
In Roppongi, snow does not fall in March through December.Daylight
The average length of the day in October is 11h and 17min.On the first day of October, sunrise is at 05:36 and sunset at 17:25. On the last day of the month, sunrise is at 06:02 and sunset at 16:47 JST.
Sunshine
The average sunshine in October is 6.7h.UV index
In Roppongi, Japan, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 in October translates into these instructions:
Take precautions - Protection against sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average October temperature in Roppongi?
What is the average humidity in October in Roppongi?
How much does it rain in Roppongi in October?
When it does not snow in Roppongi?
How many hours of daylight does Roppongi have in October?
When are sunrise and sunset in October in Roppongi?
How many hours of sunshine does Roppongi have in October?
How high is the UV index in October in Roppongi?
Average temperature in October
Roppongi, Japan
- Average high temperature in October: 21.5°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in October: 16.4°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in October
Roppongi, Japan
- Average pressure in October: 1016.6mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in October
Roppongi, Japan
- Average wind speed in October: 13.8km/h
The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).
Average humidity in October
Roppongi, Japan
- Average humidity in October: 73%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in October
Roppongi, Japan
- Average rainfall in October: 48mm
The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in October
Roppongi, Japan
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in October
Roppongi, Japan
- Average snowfall in October: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in October
Roppongi, Japan
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Roppongi, Japan
- Average daylight in October: 11h and 2min
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 48min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in October
Roppongi, Japan
- Average sunshine days in October: 17.4 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in October
Roppongi, Japan
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in October
Roppongi, Japan
- Average cloud cover in October: 44
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in October
Roppongi, Japan
- Average visibility in October: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Roppongi, Japan
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