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 stands out as Niiza's coldest month, with temperatures ranging between an average high of 8.5°C (47.3°F) and a low of 2°C (35.6°F).Humidity
January is the least humid month in Niiza, with an average relative humidity of 58%.Rainfall
In Niiza, during January, the rain falls for 6.6 days and regularly aggregates up to 38mm (1.5") of precipitation. In Niiza, during the entire year, the rain falls for 161.9 days and collects up to 857mm (33.74") of precipitation.Snowfall
Months with snowfall are January through March and November. January is the first month it typically snows in Niiza. Throughout January, in the average 1.7 snowfall days, it receives 19mm (0.75") of snow. Throughout the year, in Niiza, there are 4.8 snowfall days, and 68mm (2.68") of snow is accumulated.Daylight
The average length of the day in January is 10h and 3min.On the first day of January, sunrise is at 06:51 and sunset at 16:38. On the last day of the month, sunrise is at 06:43 and sunset at 17:06 JST.
Sunshine
In Niiza, Japan, the average sunshine in January is 6.7h.UV index
The months with the lowest UV index in Niiza are January and February, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the coldest time of year in Niiza?
What is the usual temperature for Niiza in January?
What is the least humid month in Niiza?
What is the average humidity in January in Niiza?
How much does it rain in Niiza in January?
When does it start to snow in Niiza?
How many hours of daylight does Niiza have in January?
When are sunrise and sunset in January in Niiza?
How many hours of sunshine does Niiza have in January?
When is the lowest UV index in Niiza?
What is the UV index reading in January in Niiza?
Average temperature in January
Niiza, Japan
- Average high temperature in January: 8.5°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in January: 2°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in January
Niiza, Japan
- Average pressure in January: 1016.5mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in January
Niiza, Japan
- Average wind speed in January: 11.8km/h
The windiest month (with the highest average wind speed) is April (12.9km/h).
The calmest month (with the lowest average wind speed) is November (10.1km/h).
Average humidity in January
Niiza, Japan
- Average humidity in January: 58%
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (58%).
Average rainfall in January
Niiza, Japan
- Average rainfall in January: 38mm
The wettest month (with the highest rainfall) is October (121mm).
The driest months (with the least rainfall) are February and December (34mm).
Average rainfall days in January
Niiza, Japan
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in January
Niiza, Japan
- Average snowfall in January: 19mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in January
Niiza, Japan
- Average snowfall days in January: 1.7 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in January /
Average sunshine in January
Niiza, Japan
- Average daylight in January: 10h and 0min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in January
Niiza, Japan
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in January
Niiza, 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 February (UV index 2).
Average cloud cover in January
Niiza, Japan
- Average cloud cover in January: 26
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 26).
Average visibility in January
Niiza, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, May, August, October, November and December (10km).
The months with the lowest visibility are April, June, July and September (9km).
Niiza, Japan
Weather forecast for your location
2. Allow the app to use your location
