April weather forecastOkoppe, Japan

April

Weather in April

April is a wintry spring month in Okoppe, Japan, with an average temperature ranging between max 5.7°C (42.3°F) and min -0.2°C (31.6°F).

Temperature

As April arrives, a rise in the average high-temperature is observed, moving from a freezing cold -0.1°C (31.8°F) in March to a cold 5.7°C (42.3°F). An average low-temperature of -0.2°C (31.6°F) is recorded during the nights in April in Okoppe.

Humidity

In April, the average relative humidity is 80%.

Rainfall

The month with the least rainfall in Okoppe, Japan, is April, when the rain falls for 12.3 days and typically collects 40mm (1.57") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Okoppe. In April, it is snowing for 8.8 days. Throughout April, 125mm (4.92") of snow is accumulated. Throughout the year, in Okoppe, there are 114 snowfall days, and 1412mm (55.59") of snow is accumulated.

Daylight

The average length of the day in April in Okoppe is 13h and 28min.
On the first day of April, sunrise is at 05:08 and sunset at 17:54. On the last day of the month, sunrise is at 04:19 and sunset at 18:30 JST.

Sunshine

The average sunshine in April in Okoppe is 7.9h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In April, the maximum UV index of 3 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

In April, the average high-temperature and low-temperature in Okoppe are 5.7°C (42.3°F) and -0.2°C (31.6°F) respectively.

In April, the average relative humidity in Okoppe, Japan, is 80%.

April is the month with the least rainfall in Okoppe, Japan. Rain falls for 12.3 days and accumulates 40mm (1.57") of precipitation.

In Okoppe, Japan, in April, during 12.3 rainfall days, 40mm (1.57") of precipitation is typically accumulated.

In Okoppe, Japan, in April, during 8.8 snowfall days, 125mm (4.92") of snow is typically accumulated.

In Okoppe, Japan, the average day length in April is 13h and 28min.

On the first day of April, sunrise is at 05:08 and sunset at 17:54. On the last day of the month, sunrise is at 04:19 and sunset at 18:30 JST.

In April, the average sunshine duration in Okoppe is 7.9h.

In Okoppe, Japan, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Okoppe, Japan

  • Average high temperature in April: 5.7°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (-3.9°C).

  • Average low temperature in April: -0.2°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).

Average pressure in April
Okoppe, Japan

  • Average pressure in April: 1011.4mbar

The month with the highest atmospheric pressure is October (1014.9mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).

Average wind speed in April
Okoppe, Japan

  • Average wind speed in April: 14.6km/h

The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).

Average humidity in April
Okoppe, Japan

  • Average humidity in April: 80%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is October (76%).

Average rainfall in April
Okoppe, Japan

  • Average rainfall in April: 40mm

The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is April (40mm).

Average rainfall days in April
Okoppe, Japan

  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is August (17.9 days).
The months with the least rainy days are January and February (4.5 days).

Average snowfall in April
Okoppe, Japan

  • Average snowfall in April: 125mm

The month with the highest snowfall is January (289mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Okoppe, Japan

  • Average snowfall days in April: 8.8 days

The month with the highest number of snowfall days is January (25.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in April: 13h and 30min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 7h and 54min

The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).

Average sunshine days in April
Okoppe, Japan

  • Average sunshine days in April: 11.3 days

The month with the most sunshine days is May (13.9 days).
The month with the least sunshine days is December (2.8 days).

Average UV index in April
Okoppe, Japan

  • Average UV index in April: 3

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March, November and December (UV index 1).

Average cloud cover in April
Okoppe, Japan

  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is September (Cloud cover 41).

Average visibility in April
Okoppe, Japan

  • Average visibility in April: 9km

The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, March, June, July, August and December (8km).