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
January, noted for its average high-temperature of 9.8°C (49.6°F) and an average low-temperature of 5.3°C (41.5°F), is considered the coldest month.Humidity
The least humid month in Shinjuku is January, with an average relative humidity of 61%.Rainfall
In Shinjuku, Japan, during January, the rain falls for 6.5 days and regularly aggregates up to 43mm (1.69") of precipitation. In Shinjuku, during the entire year, the rain falls for 150.9 days and collects up to 867mm (34.13") of precipitation.Snowfall
January through March are months with snowfall in Shinjuku. January is the first month it typically snows in Shinjuku. Throughout January, in the average 0.1 snowfall days, it receives 6mm (0.24") of snow. In Shinjuku, Japan, during the entire year, snow falls for 0.7 days and aggregates up to 17mm (0.67") of snow.Daylight
The average length of the day in January is 10h and 3min.On the first day of the month, sunrise is at 06:50 and sunset at 16:37. On the last day of January, in Shinjuku, sunrise is at 06:42 and sunset at 17:06 JST.
Sunshine
The average sunshine in January in Shinjuku, Japan, is 6.4h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 during January translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are the coldest months in Shinjuku?
What is the temperature in January in Shinjuku?
What is the least humid month in Shinjuku?
What is the average humidity in January in Shinjuku?
How many days does it rain in January in Shinjuku?
When does it start to snow in Shinjuku?
What is the average length of the day in January in Shinjuku?
When is the sunrise / sunset in January in Shinjuku?
How long on average sun shines in January in Shinjuku?
When is the lowest UV index in Shinjuku?
What is the UV index intensity in January in Shinjuku?
Average temperature in January
Shinjuku, Japan
- Average high temperature in January: 9.8°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in January: 5.3°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in January
Shinjuku, Japan
- Average pressure in January: 1016.1mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in January
Shinjuku, Japan
- Average wind speed in January: 19km/h
The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in January
Shinjuku, Japan
- Average humidity in January: 61%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).
Average rainfall in January
Shinjuku, Japan
- Average rainfall in January: 43mm
The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).
Average rainfall days in January
Shinjuku, Japan
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Shinjuku, Japan
- Average snowfall in January: 6mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Shinjuku, Japan
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Shinjuku, Japan
- Average daylight in January: 10h and 1min
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 January: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in January
Shinjuku, Japan
- Average sunshine days in January: 23.2 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in January
Shinjuku, Japan
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Shinjuku, Japan
- Average cloud cover in January: 30
The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Shinjuku, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Shinjuku, Japan
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