Weather in January
Sea temperature
In Narashino, Japan, the average seawater temperature in January is 15.9°C (60.6°F).Note: The majority of people find swimming in 15.9°C (60.6°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.
Daylight
In Narashino, the average length of the day in January is 10h and 3min.On the first day of the month, sunrise is at 06:49 and sunset at 16:36. On the last day of January, sunrise is at 06:41 and sunset at 17:05 JST.
Frequently asked questions
How cold is the water in January in Narashino?
In January, the average sea temperature is 15.9°C (60.6°F). For most, swimming in 15.9°C (60.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
What is the average length of the day in January in Narashino?
In Narashino, Japan, the average day length in January is 10h and 3min.
When are sunrise and sunset in January in Narashino?
In January, on the first day of the month, sunrise is at 06:49 and sunset at 16:36. On the last day of the month, in Narashino, sunrise is at 06:41 and sunset at 17:05 JST.
Average sea temperature in January
Narashino, Japan
- Average sea temperature in January: 15.9°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (14.4°C).
Average daylight in January
Narashino, 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).
Narashino, Japan
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