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
October
Weather in October
Temperature
Transition into October marks a drop in the average high-temperature, moving from an enjoyable 19.8°C (67.6°F) in September to a still refreshing 13.4°C (56.1°F). Rumoi's nighttime average temperature in October drops marginally from the daytime highs, settling at a chilly 8.6°C (47.5°F).Humidity
October is the least humid month in Rumoi, with an average relative humidity of 74%.Rainfall
In October, the rain falls for 16.9 days. Throughout October, 73mm (2.87") of precipitation is accumulated. In Rumoi, during the entire year, the rain falls for 138.6 days and collects up to 792mm (31.18") of precipitation.Snowfall
January through May, October through December are months with snowfall in Rumoi. October is the first month it typically snows in Rumoi. Throughout October, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Rumoi, during the entire year, snow falls for 84.9 days and aggregates up to 1049mm (41.3") of snow.Daylight
In October, the average length of the day in Rumoi is 11h and 1min.On the first day of the month, sunrise is at 05:31 and sunset at 17:14. On the last day of October, in Rumoi, sunrise is at 06:08 and sunset at 16:25 JST.
Sunshine
In October, the average sunshine is 6.2h.UV index
In Rumoi, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Rumoi?
What is the least humid month in Rumoi?
What is the average humidity in October in Rumoi?
How many days does it rain in October in Rumoi?
When does it start to snow in Rumoi?
What is the average length of the day in October in Rumoi?
What time are sunrise and sunset in October in Rumoi?
How long on average sun shines in October in Rumoi?
How high is the UV index in October in Rumoi?
Average temperature in October
Rumoi, Japan
- Average high temperature in October: 13.4°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in October: 8.6°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).
Average pressure in October
Rumoi, Japan
- Average pressure in October: 1015.3mbar
The month with the highest atmospheric pressure is November (1015.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed in October
Rumoi, Japan
- Average wind speed in October: 19.2km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in October
Rumoi, Japan
- Average humidity in October: 74%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Rumoi, Japan
- Average rainfall in October: 73mm
The wettest month (with the highest rainfall) is August (136mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in October
Rumoi, Japan
- Average rainfall days in October: 16.9 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in October
Rumoi, Japan
- Average snowfall in October: 1mm
The month with the highest snowfall is December (260mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Rumoi, Japan
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Rumoi, Japan
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 6h and 1min
The months with the most sunshine are May and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 1h and 24min).
Average sunshine days in October
Rumoi, Japan
- Average sunshine days in October: 11.7 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in October
Rumoi, Japan
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in October
Rumoi, Japan
- Average cloud cover in October: 48
The month with the most cloud cover is January (Cloud cover 88).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in October
Rumoi, Japan
- Average visibility in October: 10km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January, February and December (8km).
