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
Weather in January
Temperature
Irifune's coldest month, January, registers temperatures that range from a high of 8.8°C (47.8°F) to a low of 2.8°C (37°F).Humidity
The least humid month in Irifune is January, with an average relative humidity of 61%.Rainfall
The months with the least rainfall in Irifune are January and December Rain falls for 7.9 days and accumulates 40mm (1.57") of rain.Snowfall
January and February are months with snowfall. January is the first month it typically snows in Irifune. Throughout January, in the average 1.3 snowfall days, it receives 7mm (0.28") of snow. In Irifune, during the entire year, snow falls for 4.5 days and aggregates up to 50mm (1.97") of snow.Daylight
In January, the average length of the day is 10h and 4min.On the first day of January in Irifune, sunrise is at 06:50 and sunset at 16:37. On the last day of the month, sunrise is at 06:42 and sunset at 17:06 JST.
Sunshine
In January, the average sunshine is 6.3h.UV index
The month with the lowest UV index is January, 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 the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Irifune?
What is the temperature in January in Irifune?
What is the least humid month in Irifune?
What is the average humidity in January in Irifune?
What is the driest month in Irifune?
How many days does it rain in January in Irifune?
When does it start to snow in Irifune?
What is the average length of the day in January in Irifune?
What time are sunrise and sunset in January in Irifune?
How long on average sun shines in January in Irifune?
When is the lowest UV index in Irifune?
What is the UV index reading in January in Irifune?
Average temperature in January
Irifune, Japan
- Average high temperature in January: 8.8°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in January: 2.8°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 (2.8°C).
Average pressure in January
Irifune, Japan
- Average pressure in January: 1016.1mbar
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
Irifune, Japan
- Average wind speed in January: 13.9km/h
The windiest month (with the highest average wind speed) is April (15.1km/h).
The calmest month (with the lowest average wind speed) is November (11.8km/h).
Average humidity in January
Irifune, Japan
- Average humidity in January: 61%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (61%).
Average rainfall in January
Irifune, 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
Irifune, Japan
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in January
Irifune, Japan
- Average snowfall in January: 7mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Irifune, Japan
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.8 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
Irifune, Japan
- Average daylight in January: 10h and 1min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in January
Irifune, Japan
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is September (10 days).
Average UV index in January
Irifune, 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
Irifune, Japan
- Average cloud cover in January: 29
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in January
Irifune, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, August, November and December (10km).
The months with the lowest visibility are June, July, September and October (9km).
Irifune, Japan
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