April weather forecast
Onojo, Japan

April

Weather in April

April is an enjoyable spring month in Onojo, Japan, with an average temperature ranging between min 9.2°C (48.6°F) and max 17.9°C (64.2°F).

Temperature

Onojo's weather in April presents a minor rise in the average high-temperature, moving from a refreshing 13.4°C (56.1°F) in March to a comfortable 17.9°C (64.2°F). Onojo throughout April, experiences an average nighttime temperature of 9.2°C (48.6°F).

Humidity

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

Rainfall

In Onojo, during April, the rain falls for 13.8 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, there are 183.3 rainfall days, and 1145mm (45.08") of precipitation is accumulated.

Snowfall

In Onojo, snow does not fall in April through November.

Daylight

In Onojo, the average length of the day in April is 13h and 1min.
On the first day of the month, sunrise is at 06:05 and sunset at 18:38. On the last day of April, sunrise is at 05:30 and sunset at 19:00 JST.

Sunshine

In April, the average sunshine is 8.1h.

UV index

In Onojo, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the maximum UV index of 4 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What are April temperatures?
In Onojo, in April, the average high-temperature is 17.9°C (64.2°F), and the average low-temperature is 9.2°C (48.6°F).
What is the average humidity in April?
The average relative humidity in April in Onojo is 74%.
How many days does it rain in April?
In Onojo, during April, the rain falls for 13.8 days and regularly aggregates up to 82mm (3.23") of precipitation.
When it does not snow?
April through November are months without snowfall.
Does it snow in April?
In April, it doesn't snow. March is the latest month when it typically snows.
How many hours of daylight does Onojo have in April?
The average day length in April is 13h and 1min.
What time are sunrise and sunset in April?
On the first day of April, sunrise is at 06:05 and sunset at 18:38. On the last day of the month, sunrise is at 05:30 and sunset at 19:00 JST.
How long on average sun shines in April?
In Onojo, the average sunshine duration in April is 8.1h.
What is the UV index reading in April?
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes 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
Onojo, Japan
  • Average high temperature in April: 17.9°C

The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in April: 9.2°C

The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).

Average pressure in April
Onojo, Japan
  • Average pressure in April: 1015.3mbar

The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

Average wind speed in April
Onojo, Japan
  • Average wind speed in April: 9.9km/h

The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).

Average humidity in April
Onojo, Japan
  • Average humidity in April: 74%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is March (73%).

Average rainfall in April
Onojo, Japan
  • Average rainfall in April: 82mm

The wettest month (with the highest rainfall) is July (221mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in April
Onojo, Japan
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (11.4 days).

Average snowfall in April
Onojo, Japan
  • Average snowfall in April: 0mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in April
Onojo, Japan
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in April
Onojo, Japan
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.1 days).

Average UV index in April
Onojo, Japan
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in April
Onojo, Japan
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and October (Cloud cover 39).

Average visibility in April
Onojo, Japan
  • Average visibility in April: 9km

The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).

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