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
The coldest period tends to be January, when average temperatures fluctuate between a high of 8.8°C (47.8°F) and a low of 3°C (37.4°F).Humidity
January is the least humid month, with an average relative humidity of 60%.Rainfall
In Kasumigaseki, in January, it is raining for 4.5 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, in Kasumigaseki, there are 125.3 rainfall days, and 359mm (14.13") of precipitation is accumulated.Snowfall
Months with snowfall are January and February. 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 Kasumigaseki, during the entire year, snow falls for 2.1 days and aggregates up to 5mm (0.2") of snow.Daylight
In Kasumigaseki, the average length of the day in January 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
The month with the lowest UV index is January, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Kasumigaseki?
What is the temperature in January in Kasumigaseki?
What is the least humid month in Kasumigaseki?
What is the average humidity in January in Kasumigaseki?
How many days does it rain in January in Kasumigaseki?
When does it start to snow in Kasumigaseki?
How many hours of daylight does Kasumigaseki have in January?
When is the sunrise / sunset in January in Kasumigaseki?
How many hours of sunshine does Kasumigaseki have in January?
What is the month with the lowest UV index in Kasumigaseki?
What is the UV index reading in January in Kasumigaseki?
Average temperature in January
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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
Kasumigaseki, 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).
Kasumigaseki, Japan
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