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
In Tachiarai, Japan, the lowest temperatures are generally noted in January, averaging a high of 8.5°C (47.3°F) and a low of 2.6°C (36.7°F).Humidity
The average relative humidity in January is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 13.6 days and accumulates 44mm (1.73") of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall in Tachiarai is January, when snow falls for 4.9 days and typically aggregates up to 29mm (1.14") of snow.Daylight
The average length of the day in January in Tachiarai is 10h and 14min.On the first day of January, sunrise is at 07:21 and sunset at 17:20. On the last day of the month, sunrise is at 07:14 and sunset at 17:47 JST.
Sunshine
January has the least sunshine of the year, with an average of 4.3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Tachiarai, Japan. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the coldest month in Tachiarai?
What is the temperature in January in Tachiarai?
What is the average humidity in January in Tachiarai?
What is the driest month in Tachiarai?
How much does it rain in Tachiarai in January?
What is the snowiest month in Tachiarai?
How many days does it snow in January in Tachiarai?
What is the average length of the day in January in Tachiarai?
When are sunrise and sunset in January in Tachiarai?
What is the month with the least sunshine in Tachiarai?
How long on average sun shines in January in Tachiarai?
When is the lowest UV index in Tachiarai?
How high is the UV index in January in Tachiarai?
Average temperature in January
Tachiarai, Japan
- Average high temperature in January: 8.5°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in January: 2.6°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in January
Tachiarai, Japan
- Average pressure in January: 1021.9mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in January
Tachiarai, Japan
- Average wind speed in January: 9.8km/h
The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is June (7.4km/h).
Average humidity in January
Tachiarai, Japan
- Average humidity in January: 74%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are March, April and May (73%).
Average rainfall in January
Tachiarai, Japan
- Average rainfall in January: 44mm
The wettest month (with the highest rainfall) is July (204mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in January
Tachiarai, Japan
- Average rainfall days in January: 13.6 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is May (10.8 days).
Average snowfall in January
Tachiarai, Japan
- Average snowfall in January: 29mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Tachiarai, Japan
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is January (4.9 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
Tachiarai, Japan
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Tachiarai, Japan
- Average sunshine days in January: 12.2 days
The month with the most sunshine days is May (18.5 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in January
Tachiarai, 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
Tachiarai, Japan
- Average cloud cover in January: 51
The months with the most cloud cover are January and June (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 35).
Average visibility in January
Tachiarai, Japan
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
Tachiarai, Japan
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