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
The coldest period tends to be January, when average temperatures fluctuate between a high of 8.2°C (46.8°F) and a low of 2°C (35.6°F).Humidity
January is the least humid month, with an average relative humidity of 67%.Rainfall
January is the month with the least rainfall in Heda. Rain falls for 8.7 days and accumulates 50mm (1.97") of precipitation.Snowfall
Months with snowfall in Heda are January, February and December. In Heda, in January, during 0.4 snowfall days, 1mm (0.04") of snow is typically accumulated. Throughout the year, in Heda, there are 1.5 snowfall days, and 4mm (0.16") of snow is accumulated.Sea temperature
In Heda, in January, the average water temperature is 16.2°C (61.2°F).Note: Most people do not find swimming enjoyable in water of 16.2°C (61.2°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In January, the average length of the day in Heda is 10h and 7min.On the first day of January in Heda, sunrise is at 06:52 and sunset at 16:43. On the last day of the month, sunrise is at 06:44 and sunset at 17:11 JST.
Sunshine
In January, the average sunshine is 6.6h.UV index
The months with the lowest UV index in Heda are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the coldest months in Heda?
What is the temperature in January in Heda?
What is the least humid month in Heda?
What is the average humidity in January in Heda?
What is the driest month in Heda?
How many days does it rain in January in Heda?
How much does it snow in Heda in January?
How cold is the water in January in Heda?
What is the average length of the day in January in Heda?
When is the sunrise / sunset in January in Heda?
How many hours of sunshine does Heda have in January?
What is the month with the lowest UV index in Heda?
What is the UV index intensity in January in Heda?
Average temperature in January
Heda, Japan
- Average high temperature in January: 8.2°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (8.2°C).
- Average low temperature in January: 2°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in January
Heda, Japan
- Average pressure in January: 1016.7mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in January
Heda, Japan
- Average wind speed in January: 12.3km/h
The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in January
Heda, Japan
- Average humidity in January: 67%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).
Average rainfall in January
Heda, Japan
- Average rainfall in January: 50mm
The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is January (50mm).
Average rainfall days in January
Heda, Japan
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in January
Heda, Japan
- Average snowfall in January: 1mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Heda, Japan
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Heda, Japan
- Average sea temperature in January: 16.2°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in January /
Average sunshine in January
Heda, 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 54min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in January
Heda, Japan
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (4.3 days).
Average UV index in January
Heda, Japan
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Heda, Japan
- Average cloud cover in January: 24
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility in January
Heda, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
Heda, Japan
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