Weather in April
Sea temperature
In April, the average sea temperature in Narashino, Japan, is 16.5°C (61.7°F).Note: The majority of individuals find it unpleasurable to swim in 16.5°C (61.7°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).
Daylight
In April, the average length of the day is 13h and 6min.On the first day of April, sunrise is at 05:26 and sunset at 18:01. On the last day of the month, sunrise is at 04:48 and sunset at 18:25 JST.
Frequently asked questions
How cold is the water in April in Narashino?
In April, the average sea temperature in Narashino, Japan, is 16.5°C (61.7°F). For swimming, a surface water temperature of 16.5°C (61.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the average length of the day in April in Narashino?
In April, the average day length in Narashino is 13h and 6min.
When are sunrise and sunset in April in Narashino?
In April, on the first day of the month, sunrise is at 05:26 and sunset at 18:01. On the last day of the month, in Narashino, Japan, sunrise is at 04:48 and sunset at 18:25 JST.
Average sea temperature in April
Narashino, Japan
- Average sea temperature in April: 16.5°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 April
Narashino, Japan
- Average daylight in April: 13h 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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