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
In Iwamizawa, entering October brings a temperature decrement, reducing from September's pleasant 20.4°C (68.7°F) to a refreshing 13.4°C (56.1°F). Iwamizawa records an average nighttime low of 5.4°C (41.7°F) in October.Humidity
In Iwamizawa, the average relative humidity in October is 80%.Rainfall
In Iwamizawa, Japan, in October, during 17 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Iwamizawa, during the entire year, the rain falls for 162.3 days and collects up to 769mm (30.28") of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, in Iwamizawa, there are 109.6 snowfall days, and 1497mm (58.94") of snow is accumulated.Daylight
In Iwamizawa, the average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 05:30 and sunset at 17:14. On the last day of October, in Iwamizawa, sunrise is at 06:06 and sunset at 16:26 JST.
Sunshine
The average sunshine in October is 6.6h.UV index
In Iwamizawa, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in October interprets into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Iwamizawa in October?
What is the average humidity in October in Iwamizawa?
How many days does it rain in October in Iwamizawa?
When does it start to snow in Iwamizawa?
How many hours of daylight does Iwamizawa have in October?
When are sunrise and sunset in October in Iwamizawa?
How long on average sun shines in October in Iwamizawa?
How high is the UV index in October in Iwamizawa?
Average temperature in October
Iwamizawa, Japan
- Average high temperature in October: 13.4°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in October: 5.4°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in October
Iwamizawa, Japan
- Average pressure in October: 1015.8mbar
The month with the highest atmospheric pressure is November (1016mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in October
Iwamizawa, Japan
- Average wind speed in October: 11.1km/h
The windiest month (with the highest average wind speed) is April (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in October
Iwamizawa, Japan
- Average humidity in October: 80%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in October
Iwamizawa, Japan
- Average rainfall in October: 60mm
The wettest month (with the highest rainfall) is August (118mm).
The driest months (with the least rainfall) are February and April (44mm).
Average rainfall days in October
Iwamizawa, Japan
- Average rainfall days in October: 17 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in October
Iwamizawa, Japan
- Average snowfall in October: 3mm
The month with the highest snowfall is December (394mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Iwamizawa, Japan
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is January (25.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Iwamizawa, Japan
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in October
Iwamizawa, Japan
- Average sunshine days in October: 11.8 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (3 days).
Average UV index in October
Iwamizawa, Japan
- Average UV index in October: 2
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
Iwamizawa, Japan
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in October
Iwamizawa, Japan
- Average visibility in October: 9km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).
