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
Shimotsui's January weather, with an average high temperature of 8.3°C (46.9°F) and an average low temperature of 3.1°C (37.6°F), tends to be the coldest of the year.Humidity
The average relative humidity in January is 70%.Rainfall
In January, the rain falls for 8.2 days. Throughout January, 15mm (0.59") of precipitation is accumulated. Throughout the year, there are 133 rainfall days, and 442mm (17.4") of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. In Shimotsui, in January, during 2.2 snowfall days, 4mm (0.16") of snow is typically accumulated. Throughout the year, there are 5.5 snowfall days, and 14mm (0.55") of snow is accumulated.Daylight
In Shimotsui, the average length of the day in January is 10h and 9min.On the first day of the month, sunrise is at 07:11 and sunset at 17:04. On the last day of January, sunrise is at 07:03 and sunset at 17:32 JST.
Sunshine
January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk 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:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in Shimotsui in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Shimotsui, Japan
- Average high temperature in January: 8.3°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in January: 3.1°C
The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in January
Shimotsui, Japan
- Average pressure in January: 1020.5mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in January
Shimotsui, Japan
- Average wind speed in January: 14.6km/h
The windiest months (with the highest average wind speed) are January and December (14.6km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in January
Shimotsui, Japan
- Average humidity in January: 70%
The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are March, April and May (68%).
Average rainfall in January
Shimotsui, Japan
- Average rainfall in January: 15mm
The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is November (13mm).
Average rainfall days in January
Shimotsui, Japan
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Shimotsui, Japan
- Average snowfall in January: 4mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Shimotsui, Japan
- Average snowfall days in January: 2.2 days
The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Shimotsui, Japan
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in January
Shimotsui, Japan
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is May (20.2 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Shimotsui, Japan
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Shimotsui, Japan
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Shimotsui, 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).
