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 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
With average high temperatures of 20.5°C (68.9°F) and lows of 18.6°C (65.5°F), January is the coldest month.Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 77%.Rainfall
In Hateruma, in January, it is raining for 25.3 days, with typically 103mm (4.06") of accumulated precipitation. In Hateruma, during the entire year, the rain falls for 245.4 days and collects up to 1322mm (52.05") of precipitation.Daylight
The average length of the day in January in Hateruma is 10h and 50min.On the first day of January in Hateruma, sunrise is at 07:27 and sunset at 18:08. On the last day of the month, sunrise is at 07:26 and sunset at 18:29 JST.
Sunshine
In Hateruma, the average sunshine in January is 4.6h.UV index
In Hateruma, the average daily maximum UV index in January is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, an average UV index of 5 transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What time of the year is the coldest in Hateruma?
What are the temperatures in Hateruma in January?
What are the least humid months in Hateruma?
What is the average humidity in January in Hateruma?
How many days does it rain in January in Hateruma?
How many hours of daylight does Hateruma have in January?
What time are sunrise and sunset in January in Hateruma?
How many hours of sunshine does Hateruma have in January?
What is the UV index reading in January in Hateruma?
Average temperature in January
Hateruma, Japan
- Average high temperature in January: 20.5°C
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (20.5°C).
- Average low temperature in January: 18.6°C
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in January
Hateruma, Japan
- Average pressure in January: 1020.4mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is August (1005.6mbar).
Average wind speed in January
Hateruma, Japan
- Average wind speed in January: 30.7km/h
The windiest month (with the highest average wind speed) is December (32.7km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity in January
Hateruma, Japan
- Average humidity in January: 77%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January and December (77%).
Average rainfall in January
Hateruma, Japan
- Average rainfall in January: 103mm
The wettest month (with the highest rainfall) is August (207mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days in January
Hateruma, Japan
- Average rainfall days in January: 25.3 days
The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is July (16.8 days).
Average daylight in January /
Average sunshine in January
Hateruma, Japan
- Average daylight in January: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in January
Hateruma, Japan
- Average sunshine days in January: 3.5 days
The month with the most sunshine days is July (12.3 days).
The months with the least sunshine days are January and December (3.5 days).
Average UV index in January
Hateruma, Japan
- Average UV index in January: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in January
Hateruma, Japan
- Average cloud cover in January: 67
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Hateruma, Japan
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Hateruma, Japan
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