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 sea temperature 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, on average, is the coldest month, registering a high temperature of 5.2°C (41.4°F) and a low of 1.8°C (35.2°F).Humidity
The average relative humidity in January is 78%.Rainfall
In Nanao, Japan, during January, the rain falls for 17.3 days and regularly aggregates up to 139mm (5.47") of precipitation. In Nanao, Japan, during the entire year, the rain falls for 197.7 days and collects up to 1451mm (57.13") of precipitation.Snowfall
Months with snowfall in Nanao are January through April and December. The month with the most snowfall is January, when snow falls for 17 days and typically aggregates up to 390mm (15.35") of snow.Sea temperature
In Nanao, Japan, in January, the average water temperature is 12.8°C (55°F).Note: Dipping into 12.8°C (55°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
In Nanao, Japan, the average length of the day in January is 9h and 57min.On the first day of the month, sunrise is at 07:05 and sunset at 16:45. On the last day of January, in Nanao, Japan, sunrise is at 06:56 and sunset at 17:14 JST.
Sunshine
The month with the least sunshine is January, with an average of 2.5h of sunshine.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Nanao?
How cold is it in Nanao in January?
What is the average humidity in January in Nanao?
How much does it rain in Nanao in January?
When does it snow the most in Nanao?
How much does it snow in Nanao in January?
What is the water temperature in January in Nanao?
How many hours of daylight does Nanao have in January?
When are sunrise and sunset in January in Nanao?
What is the month with the least sunshine in Nanao?
How many hours of sunshine does Nanao have in January?
What is the month with the lowest UV index in Nanao?
What is the UV index intensity in January in Nanao?
Average temperature in January
Nanao, Japan
- Average high temperature in January: 5.2°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (23.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in January
Nanao, Japan
- Average pressure in January: 1018.6mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in January
Nanao, Japan
- Average wind speed in January: 15.8km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is June (9.6km/h).
Average humidity in January
Nanao, Japan
- Average humidity in January: 78%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are March, April and May (73%).
Average rainfall in January
Nanao, Japan
- Average rainfall in January: 139mm
The wettest month (with the highest rainfall) is July (167mm).
The driest month (with the least rainfall) is May (76mm).
Average rainfall days in January
Nanao, Japan
- Average rainfall days in January: 17.3 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is May (12 days).
Average snowfall in January
Nanao, Japan
- Average snowfall in January: 390mm
The month with the highest snowfall is January (390mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Nanao, Japan
- Average snowfall days in January: 17 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Nanao, Japan
- Average sea temperature in January: 12.8°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is March (10.4°C).
Average daylight in January /
Average sunshine in January
Nanao, Japan
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 2h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in January
Nanao, Japan
- Average sunshine days in January: 4.1 days
The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is December (3.7 days).
Average UV index in January
Nanao, Japan
- Average UV index in January: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Nanao, Japan
- Average cloud cover in January: 76
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are May and August (Cloud cover 36).
Average visibility in January
Nanao, Japan
- Average visibility in January: 8km
The month with the highest visibility is October (10km).
The month with the lowest visibility is January (8km).
Nanao, Japan
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