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
During the coldest month, January, temperatures average a high of 3.2°C (37.8°F) and a low of -1.8°C (28.8°F).Humidity
In January, the average relative humidity is 78%.Rainfall
In Arahama, during January, the rain falls for 10.4 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, there are 164.3 rainfall days, and 828mm (32.6") of precipitation is accumulated.Snowfall
Months with snowfall are January through April and December. The month with the most snowfall is January, when snow falls for 13.3 days and typically aggregates up to 129mm (5.08") of snow.Daylight
In Arahama, the average length of the day in January is 9h and 52min.On the first day of January, sunrise is at 06:52 and sunset at 16:26. On the last day of the month, sunrise is at 06:42 and sunset at 16:57 JST.
Sunshine
With an average of 4.8h of sunshine, January has the least sunshine of the year.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 suggests these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow 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 many hours of sunshine does Arahama have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Arahama, Japan
- Average high temperature in January: 3.2°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in January: -1.8°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is February (-2.2°C).
Average pressure in January
Arahama, Japan
- Average pressure in January: 1016.4mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in January
Arahama, Japan
- Average wind speed in January: 14.9km/h
The windiest month (with the highest average wind speed) is January (14.9km/h).
The calmest month (with the lowest average wind speed) is July (7.9km/h).
Average humidity in January
Arahama, Japan
- Average humidity in January: 78%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Arahama, Japan
- Average rainfall in January: 46mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in January
Arahama, Japan
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in January
Arahama, Japan
- Average snowfall in January: 129mm
The month with the highest snowfall is January (129mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Arahama, Japan
- Average snowfall days in January: 13.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Arahama, Japan
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
Arahama, Japan
- Average sunshine days in January: 11 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in January
Arahama, Japan
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in January
Arahama, Japan
- Average cloud cover in January: 47
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is May (Cloud cover 37).
Average visibility in January
Arahama, Japan
- Average visibility in January: 9km
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is July (8km).
