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 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
In Itoman, Japan, the month of January is known for its lowest average temperatures, reaching a high of 18.9°C (66°F) and a low of 17°C (62.6°F).Humidity
The least humid month in Itoman is January, with an average relative humidity of 72%.Rainfall
In Itoman, in January, during 21.2 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Itoman, during the entire year, the rain falls for 226.7 days and collects up to 1392mm (54.8") of precipitation.Sea temperature
In Itoman, the average seawater temperature in January is 22.3°C (72.1°F).Note: Individual cold sensitivities, influenced by sunshine, wind, and the ambient temperature, play a role in finding a swim in 22.3°C (72.1°F) water pleasant. (Olympic swimming events mandate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
In January, the average length of the day is 10h and 43min.On the first day of the month, sunrise is at 07:16 and sunset at 17:48. On the last day of January, in Itoman, sunrise is at 07:14 and sunset at 18:10 JST.
Sunshine
With an average of 4.3h of sunshine, January has the least sunshine of the year in Itoman.UV index
In January, the average daily maximum UV index in Itoman is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 5 in January, converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Frequently asked questions
What time of the year is the coldest in Itoman?
What are the temperatures in Itoman in January?
What is the least humid month in Itoman?
What is the average humidity in January in Itoman?
How much does it rain in Itoman in January?
How warm is the water in January in Itoman?
What is the average length of the day in January in Itoman?
When are sunrise and sunset in January in Itoman?
What is the month with the least sunshine in Itoman?
How long on average sun shines in January in Itoman?
How high is the UV index in January in Itoman?
Average temperature in January
Itoman, Japan
- Average high temperature in January: 18.9°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in January: 17°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure in January
Itoman, Japan
- Average pressure in January: 1020.8mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in January
Itoman, Japan
- Average wind speed in January: 27.3km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).
Average humidity in January
Itoman, Japan
- Average humidity in January: 72%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall in January
Itoman, Japan
- Average rainfall in January: 62mm
The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days in January
Itoman, Japan
- Average rainfall days in January: 21.2 days
The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).
Average sea temperature in January
Itoman, Japan
- Average sea temperature in January: 22.3°C
The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).
Average daylight in January /
Average sunshine in January
Itoman, Japan
- Average daylight in January: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Itoman, Japan
- Average sunshine days in January: 6 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in January
Itoman, Japan
- Average UV index in January: 5
The months with the highest UV index are 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
Itoman, Japan
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Itoman, 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).
Itoman, Japan
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