Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
With an average high-temperature of 7.3°C (45.1°F) and an average low-temperature of 1.6°C (34.9°F), January is the coldest month.Humidity
In Oka, the average relative humidity in January is 73%.Rainfall
In Oka, in January, during 15.3 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 177.4 rainfall days, and 831mm (32.72") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Oka, Japan. January is the month with the most snowfall in Oka. Snow falls for 7.3 days and accumulates 50mm (1.97") of snow.Daylight
In January, the average length of the day in Oka is 10h and 8min.On the first day of the month, sunrise is at 07:04 and sunset at 16:57. On the last day of January, in Oka, sunrise is at 06:56 and sunset at 17:25 JST.
Sunshine
January and February, with an average of 4.9h of sunshine, are months with the least sunshine in Oka, Japan.UV index
The months with the lowest UV index in Oka are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What month is the coldest in Oka?
What is the temperature in January in Oka?
What is the average humidity in January in Oka?
How many days does it rain in January in Oka?
What is the snowiest month in Oka?
How much does it snow in Oka in January?
How many hours of daylight does Oka have in January?
What time are sunrise and sunset in January in Oka?
What are the months with the least sunshine in Oka?
How many hours of sunshine does Oka have in January?
What are the months with the lowest UV index in Oka?
What is the UV index reading in January in Oka?
Average temperature in January
Oka, Japan
- Average high temperature in January: 7.3°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in January: 1.6°C
The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in January
Oka, Japan
- Average pressure in January: 1019.5mbar
The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in January
Oka, Japan
- Average wind speed in January: 10.1km/h
The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is June (7.1km/h).
Average humidity in January
Oka, Japan
- Average humidity in January: 73%
The month with the highest relative humidity is July (78%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in January
Oka, Japan
- Average rainfall in January: 39mm
The wettest month (with the highest rainfall) is July (146mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in January
Oka, Japan
- Average rainfall days in January: 15.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (11.8 days).
Average snowfall in January
Oka, Japan
- Average snowfall in January: 50mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Oka, Japan
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Oka, Japan
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in January
Oka, Japan
- Average sunshine days in January: 9.7 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in January
Oka, Japan
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Oka, Japan
- Average cloud cover in January: 47
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Oka, Japan
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Oka, Japan
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