April weather forecast
Nirasaki, Japan

April

Weather in April

April in Nirasaki, Japan, is a mild spring month, with an average temperature ranging between max 14.3°C (57.7°F) and min 3°C (37.4°F).

Temperature

April's arrival is marked by an increase in the average high-temperature, moving from a frosty 9.1°C (48.4°F) in March to a mild 14.3°C (57.7°F). During April, Nirasaki records an average temperature of 3°C (37.4°F) at night.

Humidity

In Nirasaki, the average relative humidity in April is 72%.

Rainfall

In Nirasaki, Japan, during April, the rain falls for 18.2 days and regularly aggregates up to 94mm (3.7") of precipitation. Throughout the year, there are 212.1 rainfall days, and 1152mm (45.35") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April and December. April is the last month it regularly snows in Nirasaki. During 0.3 snowfall days, in April, Nirasaki aggregates 3mm (0.12") of snow. Throughout the year, in Nirasaki, there are 19.6 snowfall days, and 192mm (7.56") of snow is accumulated.

Daylight

In April, the average length of the day in Nirasaki is 13h and 6min.
On the first day of the month, sunrise is at 05:32 and sunset at 18:07. On the last day of April, in Nirasaki, sunrise is at 04:54 and sunset at 18:31 JST.

Sunshine

In Nirasaki, the average sunshine in April is 9.6h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 3 in April suggests the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What are April temperatures in Nirasaki?
The high-temperature, in April, in Nirasaki, is 14.3°C (57.7°F), while the low-temperature averages to 3°C (37.4°F).
What is the average humidity in April in Nirasaki?
In Nirasaki, Japan, the average relative humidity in April is 72%.
How much does it rain in Nirasaki in April?
In Nirasaki, Japan, in April, it is raining for 18.2 days, with typically 94mm (3.7") of accumulated precipitation.
What is the last month it snows in Nirasaki?
April is the last month it regularly snows in Nirasaki, Japan. During 0.3 snowfall days, in April, Nirasaki aggregates 3mm (0.12") of snow.
What is the average length of the day in April in Nirasaki?
In April, the average day length in Nirasaki is 13h and 6min.
When are sunrise and sunset in April in Nirasaki?
On the first day of April, sunrise is at 05:32 and sunset at 18:07. On the last day of the month, sunrise is at 04:54 and sunset at 18:31 JST.
How many hours of sunshine does Nirasaki have in April?
In April, the average sunshine duration in Nirasaki is 9.6h.
What is the UV index reading in April in Nirasaki?
In April, the average daily maximum UV index in Nirasaki, Japan, is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April - Nirasaki, Japan
Average temperature in April
Nirasaki, Japan
  • Average high temperature in April: 14.3°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in April: 3°C

The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

Average pressure in April - Nirasaki, Japan
Average pressure in April
Nirasaki, Japan
  • Average pressure in April: 1014.4mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in April - Nirasaki, Japan
Average wind speed in April
Nirasaki, Japan
  • Average wind speed in April: 7.8km/h

The windiest month (with the highest average wind speed) is January (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in April - Nirasaki, Japan
Average humidity in April
Nirasaki, Japan
  • Average humidity in April: 72%

The months with the highest relative humidity are July and September (83%).
The month with the lowest relative humidity is January (69%).

Average rainfall in April - Nirasaki, Japan
Average rainfall in April
Nirasaki, Japan
  • Average rainfall in April: 94mm

The wettest month (with the highest rainfall) is October (170mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in April - Nirasaki, Japan
Average rainfall days in April
Nirasaki, Japan
  • Average rainfall days in April: 18.2 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is January (11.3 days).

Average snowfall in April - Nirasaki, Japan
Average snowfall in April
Nirasaki, Japan
  • Average snowfall in April: 3mm

The month with the highest snowfall is February (88mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in April - Nirasaki, Japan
Average snowfall days in April
Nirasaki, Japan
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

Average daylight in April / Average sunshine in April - Nirasaki, Japan
Average daylight in April /
Average sunshine in April
Nirasaki, 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).

  • Average sunshine in April: 9h and 4min

The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in April - Nirasaki, Japan
Average sunshine days in April
Nirasaki, Japan
  • Average sunshine days in April: 8.4 days

The month with the most sunshine days is December (15.4 days).
The month with the least sunshine days is June (4 days).

Average UV index in April - Nirasaki, Japan
Average UV index in April
Nirasaki, Japan
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April - Nirasaki, Japan
Average cloud cover in April
Nirasaki, Japan
  • Average cloud cover in April: 38

The months with the most cloud cover are June and July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 25).

Average visibility in April - Nirasaki, Japan
Average visibility in April
Nirasaki, Japan
  • Average visibility in April: 9km

The months with the highest visibility are January, February, March, April, May, November and December (9km).
The month with the lowest visibility is September (7km).

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