January weather forecastJonanjima, Japan
January
Weather in January
January, like December, is a frosty winter month in Jonanjima, Japan, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 3.4°C (38.1°F).Temperature
Jonanjima records the coldest temperatures in January, averaging a high of 8.9°C (48°F) and a low of 3.4°C (38.1°F).Humidity
With an average relative humidity of 61%, January is the least humid month.Rainfall
In January, the rain falls for 7.5 days. Throughout January, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 154.1 rainfall days, and 754mm (29.69") of precipitation is accumulated.Snowfall
Months with snowfall are January through March. January is the first month it typically snows. Throughout January, in the average 1.1 snowfall days, it receives 3mm (0.12") of snow. In Jonanjima, during the entire year, snow falls for 3.5 days and aggregates up to 41mm (1.61") of snow.Daylight
The average length of the day in January in Jonanjima is 10h and 4min.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 06:41 and sunset at 17:06 JST.
Sunshine
In Jonanjima, Japan, the average sunshine in January is 6.2h.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in January interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jonanjima, Japan
- Average high temperature in January: 8.9°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in January: 3.4°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).
Average pressure in January
Jonanjima, Japan
- Average pressure in January: 1016.1mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in January
Jonanjima, Japan
- Average wind speed in January: 15.8km/h
The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in January
Jonanjima, Japan
- Average humidity in January: 61%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).
Average rainfall in January
Jonanjima, Japan
- Average rainfall in January: 38mm
The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).
Average rainfall days in January
Jonanjima, Japan
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Jonanjima, Japan
- Average snowfall in January: 3mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Jonanjima, Japan
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is February (2 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
Jonanjima, Japan
- Average daylight in January: 10h and 6min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in January
Jonanjima, Japan
- Average sunshine days in January: 20.9 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Jonanjima, Japan
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in January
Jonanjima, Japan
- Average cloud cover in January: 31
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 31).
Average visibility in January
Jonanjima, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
