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Contents
- The best time to visit Numazu
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average sea temperature
- Average daylight
Climate and monthly weather forecast
The best time to visit Numazu
The best months for a swim in Numazu, Japan, are July through September, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
Weather in January
In January, the average sea temperature in Numazu, Japan, is 15.8°C (60.4°F). Note: In water with a temperature of 15.8°C (60.4°F), most individuals do not find swimming enjoyable. Weather in January »
Weather in February
The month with the coldest seawater in Numazu, Japan, is February, with an average sea temperature of 14.9°C (58.8°F). Note: Unprotected swimming in 14.9°C (58.8°F) is dangerous due to potential cold shock. Weather in February »
Weather in March
In Numazu, Japan, in March, the average water temperature is 15.1°C (59.2°F). Note: Swimming is not a pleasant activity for most when the water temperature is 15.1°C (59.2°F). Weather in March »
Weather in April
In April, the average sea temperature in Numazu, Japan, is 16.8°C (62.2°F). Note: Swimming in 16.8°C (62.2°F) is not a pleasurable activity for the majority of people. Weather in April »
Weather in May
In Numazu, Japan, in May, the average water temperature is 18.9°C (66°F). Note: When the surface water temperature is 18.9°C (66°F), most do not enjoy swimming. Weather in May »
Weather in June
In June, the average sea temperature in Numazu, Japan, is 21.6°C (70.9°F). Note: Swimming in water of 21.6°C (70.9°F) is not enjoyable for the majority of individuals. Weather in June »
Weather in July
An excellent water temperature of 25.1°C (77.2°F) makes July in Numazu, Japan, a prime for swimming and other water activities. In Numazu, in July, the average water temperature is 25.1°C (77.2°F). Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods. Weather in July »
Weather in August
The perfect water temperature of 26.3°C (79.3°F) makes August a great period for swimming and other water activities in Numazu, Japan. August is the month with the warmest seawater, with an average sea temperature of 26.3°C (79.3°F). Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity. Weather in August »
Weather in September
The ideal sea water temperature of 25.8°C (78.4°F) makes September in Numazu, Japan, the best time for swimming and other water activities. In Numazu, the average seawater temperature in September is 25.8°C (78.4°F). Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is seen as very warm and delightful by everyone. Weather in September »
Weather in October
In Numazu, Japan, in October, the average water temperature is 23.2°C (73.8°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in October »
Weather in November
In November, the average sea temperature in Numazu, Japan, is 20.8°C (69.4°F). Note: For the majority, swimming in water with a temperature of 20.8°C (69.4°F) is not enjoyable. Weather in November »
Weather in December
In Numazu, Japan, the average seawater temperature in December is 17.8°C (64°F). Note: Most people find it challenging to enjoy swimming in water that is 17.8°C (64°F). Weather in December »
Updated: Jul 25, 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
When is the sea coldest?
With an average sea temperature of 14.9°C (58.8°F), February is the month with the coldest seawater.
When are the longest days?
June has the longest days of the year, with an average of 14h and 30min of daylight.
What is the month with the warmest sea water?
With an average sea temperature of 26.3°C (79.3°F), August is the month with the warmest seawater.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 48min of daylight.
Is there Daylight Saving Time (DST)?
Numazu, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average sea temperature
Numazu, Japan
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.9°C).
Average daylight
Numazu, Japan
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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).
