April weather forecast
Minamata, Japan

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Weather in April

April is a comfortable spring month in Minamata, Japan, with an average temperature varying between 18°C (64.4°F) and 13.3°C (55.9°F).

Temperature

As Minamata transitions into April, a marginal rise in the average high-temperature is observed, moving from a moderate 14.4°C (57.9°F) in March to a still refreshing 18°C (64.4°F). Throughout April nights, Minamata records a consistent low-temperature averaging a moderate 13.3°C (55.9°F).

Humidity

In Minamata, the average relative humidity in April is 74%.

Rainfall

In April, in Minamata, Japan, the rain falls for 13.6 days. Throughout April, 60mm (2.36") of precipitation is accumulated. Throughout the year, there are 190.1 rainfall days, and 1194mm (47.01") of precipitation is accumulated.

Snowfall

In Minamata, snow does not fall in March through December.

Sea temperature

In April, the average sea temperature is 17.5°C (63.5°F).
Note: Swimming in water at 17.5°C (63.5°F) is not a pleasing experience for the majority. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), controlling breathing becomes increasingly hard.

Daylight

In Minamata, Japan, the average length of the day in April is 12h and 58min.
On the first day of April in Minamata, sunrise is at 06:06 and sunset at 18:38. On the last day of the month, sunrise is at 05:32 and sunset at 18:58 JST.

Sunshine

The average sunshine in April is 8.2h.

UV index

In April, the average daily maximum UV index in Minamata is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 5 in April, converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are the temperatures in Minamata in April?

In Minamata, 18°C (64.4°F) is the average high-temperature and 13.3°C (55.9°F) is the average low-temperature during April.

What is the average humidity in April in Minamata?

In Minamata, the average relative humidity in April is 74%.

How much does it rain in Minamata in April?

In Minamata, in April, it is raining for 13.6 days, with typically 60mm (2.36") of accumulated precipitation.

When it does not snow in Minamata?

In Minamata, Japan, snow does not fall in March through December.

How cold is the water in April in Minamata?

In April, the average sea temperature is 17.5°C (63.5°F). Swimming in 17.5°C (63.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Minamata have in April?

In Minamata, the average day length in April is 12h and 58min.

What time are sunrise and sunset in April in Minamata?

In April, on the first day of the month, sunrise is at 06:06 and sunset at 18:38. On the last day of the month, sunrise is at 05:32 and sunset at 18:58 JST.

How many hours of sunshine does Minamata have in April?

In April, the average sunshine duration in Minamata is 8.2h.

What is the UV index reading in April in Minamata?

In Minamata, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
Minamata, Japan

Average temperature in April - Minamata, Japan
  • Average high temperature in April: 18°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 (10.8°C).

  • Average low temperature in April: 13.3°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).

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Average pressure in April
Minamata, Japan

Average pressure in April - Minamata, Japan
  • Average pressure in April: 1015.2mbar

The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1008mbar).

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Average wind speed in April
Minamata, Japan

Average wind speed in April - Minamata, Japan
  • Average wind speed in April: 15.9km/h

The windiest month (with the highest average wind speed) is December (19.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).

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Average humidity in April
Minamata, Japan

Average humidity in April - Minamata, Japan
  • Average humidity in April: 74%

The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in April
Minamata, Japan

Average rainfall in April - Minamata, Japan
  • Average rainfall in April: 60mm

The wettest month (with the highest rainfall) is June (261mm).
The driest month (with the least rainfall) is January (44mm).

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Average rainfall days in April
Minamata, Japan

Average rainfall days in April - Minamata, Japan
  • Average rainfall days in April: 13.6 days

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is October (11.2 days).

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Average snowfall in April
Minamata, Japan

Average snowfall in April - Minamata, Japan
  • Average snowfall in April: 0mm

The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in April
Minamata, Japan

Average snowfall days in April - Minamata, Japan
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in April
Minamata, Japan

Average sea temperature in April - Minamata, Japan
  • Average sea temperature in April: 17.5°C

The best month for swimming (with the highest average sea temperature) is August (27.9°C).
The coldest month (with the lowest average sea temperature) is March (16.2°C).

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Average daylight in April /
Average sunshine in April
Minamata, Japan

Average daylight in April / Average sunshine in April - Minamata, Japan
  • Average daylight in April: 13h and 0min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in April
Minamata, Japan

Average sunshine days in April - Minamata, Japan
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (7.5 days).

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Average UV index in April
Minamata, Japan

Average UV index in April - Minamata, Japan
  • Average UV index in April: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in April
Minamata, Japan

Average cloud cover in April - Minamata, Japan
  • Average cloud cover in April: 42

The month with the most cloud cover is June (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in April
Minamata, Japan

Average visibility in April - Minamata, Japan
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).

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Minamata, Japan

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