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
During the coldest month, January, temperatures average a high of 8.8°C (47.8°F) and a low of 3°C (37.4°F).Humidity
The least humid month is January, with an average relative humidity of 60%.Rainfall
In January, in Toranomon, the rain falls for 4.5 days. Throughout January, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 125.3 rainfall days, and 359mm (14.13") of precipitation is accumulated.Snowfall
January and February are months with snowfall in Toranomon, Japan. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. In Toranomon, during the entire year, snow falls for 2.1 days and aggregates up to 5mm (0.2") of snow.Daylight
In January, the average length of the day is 10h and 4min.On the first day of January, sunrise is at 06:50 and sunset at 16:37. On the last day of the month, sunrise is at 06:42 and sunset at 17:06 JST.
Sunshine
In January, the average sunshine is 6.5h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the coldest month in Toranomon?
What is the average January temperature in Toranomon?
What is the least humid month in Toranomon?
What is the average humidity in January in Toranomon?
How much does it rain in Toranomon in January?
When does it start to snow in Toranomon?
What is the average length of the day in January in Toranomon?
When is the sunrise / sunset in January in Toranomon?
How long on average sun shines in January in Toranomon?
When is the lowest UV index in Toranomon?
What is the UV index intensity in January in Toranomon?
Average temperature in January
Toranomon, Japan
- Average high temperature in January: 8.8°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 January: 3°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 January
Toranomon, Japan
- Average pressure in January: 1016.1mbar
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 January
Toranomon, Japan
- Average wind speed in January: 14.3km/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 January
Toranomon, Japan
- Average humidity in January: 60%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in January
Toranomon, Japan
- Average rainfall in January: 13mm
The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in January
Toranomon, Japan
- Average rainfall days in January: 4.5 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 January
Toranomon, Japan
- Average snowfall in January: 1mm
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 January
Toranomon, Japan
- Average snowfall days in January: 0.6 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 January /
Average sunshine in January
Toranomon, 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 3min
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 January
Toranomon, Japan
- Average sunshine days in January: 25.4 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 January
Toranomon, Japan
- Average UV index in January: 2
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 January
Toranomon, Japan
- Average cloud cover in January: 28
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 January
Toranomon, Japan
- Average visibility in January: 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).
Toranomon, Japan
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