Climate and monthly weather forecastNarashino, Japan
Climate and monthly weather forecast
The best time to visit Narashino
August is the best period for swimming and other water activities in Narashino, Japan, as the sea temperature is 25.3°C (77.5°F)Weather in January
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. Weather in January »Weather in February
February is the month with the coldest seawater in Narashino, Japan, with an average sea temperature of 14.4°C (57.9°F). Note: Dipping into 14.4°C (57.9°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Weather in February »Weather in March
In Narashino, Japan, the average seawater temperature in March is 14.7°C (58.5°F). Note: Diving into 14.7°C (58.5°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in March »Weather in April
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). Weather in April »Weather in May
In Narashino, Japan, in May, the average water temperature is 18.4°C (65.1°F). Note: The majority of individuals find swimming in 18.4°C (65.1°F) to be unenjoyable. Weather in May »Weather in June
In Narashino, Japan, the average seawater temperature in June is 20.9°C (69.6°F). Note: Most people do not enjoy swimming in water of 20.9°C (69.6°F). Weather in June »Weather in July
In Narashino, Japan, in July, the average water temperature is 23.8°C (74.8°F). Note: Think about diving into 23.8°C (74.8°F) waters. Factors like your sensitivity to cold, the brightness of the sun, wind conditions, and the day's warmth play a role. Weather in July »Weather in August
An excellent water temperature of 25.3°C (77.5°F) makes August in Narashino, Japan, a prime for swimming and other water activities. August is the month with the warmest seawater, with an average sea temperature of 25.3°C (77.5°F). Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort. Weather in August »Weather in September
In Narashino, Japan, in September, the average water temperature is 24.9°C (76.8°F). Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 24.9°C (76.8°F) waters. Weather in September »Weather in October
In October, the average sea temperature in Narashino, Japan, is 21.8°C (71.2°F). Note: Most people do not take pleasure in swimming in water at 21.8°C (71.2°F). Weather in October »Weather in November
In Narashino, Japan, in November, the average water temperature is 20°C (68°F). Note: In water with a temperature of 20°C (68°F), swimming is not a joy for most people. Weather in November »Weather in December
In Narashino, Japan, in December, the average water temperature is 17.4°C (63.3°F). Note: Most people do not take pleasure in swimming in water at 17.4°C (63.3°F). Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the coldest seawater in Narashino, Japan, is February, with an average sea temperature of 14.4°C (57.9°F).
June has the longest days of the year in Narashino, with an average of 14h and 30min of daylight.
With an average sea temperature of 25.3°C (77.5°F), August is the month with the warmest seawater.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
Narashino, Japan, does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average sea temperature
Narashino, Japan
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
Narashino, Japan
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
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).
