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
January
Weather in January
Temperature
In Nishiarai, January is the coldest month, with temperatures averaging a high of 8.7°C (47.7°F) and a low of 2.4°C (36.3°F).Humidity
The least humid month is January, with an average relative humidity of 60%.Rainfall
The months with the least rainfall are January and December Rain falls for 8.3 days and accumulates 40mm (1.57") of rain.Snowfall
January through March are months with snowfall in Nishiarai. January is the first month it typically snows. Throughout January, in the average 1.6 snowfall days, it receives 16mm (0.63") of snow. In Nishiarai, during the entire year, snow falls for 5.1 days and aggregates up to 60mm (2.36") of snow.Daylight
In January, the average length of the day 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, sunrise is at 06:42 and sunset at 17:05 JST.
Sunshine
In January, the average sunshine is 6.5h.UV index
January is the month with the lowest UV index in Nishiarai, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the temperature in January?
What is the least humid month in Nishiarai?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
When does it start to snow in Nishiarai?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Nishiarai, Japan
- Average high temperature in January: 8.7°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in January: 2.4°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in January
Nishiarai, Japan
- Average pressure in January: 1016.2mbar
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
Nishiarai, Japan
- Average wind speed in January: 13km/h
The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is November (11km/h).
Average humidity in January
Nishiarai, Japan
- Average humidity in January: 60%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (60%).
Average rainfall in January
Nishiarai, Japan
- Average rainfall in January: 40mm
The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are January and December (40mm).
Average rainfall days in January
Nishiarai, Japan
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Nishiarai, Japan
- Average snowfall in January: 16mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Nishiarai, Japan
- Average snowfall days in January: 1.6 days
The month with the highest number of snowfall days is February (3 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
Nishiarai, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in January
Nishiarai, Japan
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in January
Nishiarai, 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
Nishiarai, Japan
- Average cloud cover in January: 27
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in January
Nishiarai, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, May, August, November and December (10km).
The months with the lowest visibility are April, June, July, September and October (9km).
