April weather forecast
Isagawa, Japan

April

Weather in April

April, the same as March, in Isagawa, Japan, is an agreeable spring month, with an average temperature fluctuating between 19.9°C (67.8°F) and 22.3°C (72.1°F).

Temperature

Isagawa starts April with an average high-temperature of a still pleasant 22.3°C (72.1°F), a minor shift from March's 20.3°C (68.5°F). During the month of April, Isagawa identifies an average nighttime low-temperature of 19.9°C (67.8°F), slightly lower than its daytime counterpart.

Humidity

In April, the average relative humidity is 77%.

Rainfall

In Isagawa, Japan, in April, it is raining for 16.7 days, with typically 104mm (4.09") of accumulated precipitation. Throughout the year, in Isagawa, there are 229 rainfall days, and 1489mm (58.62") of precipitation is accumulated.

Daylight

In April, the average length of the day is 12h and 47min.
On the first day of the month, sunrise is at 06:18 and sunset at 18:45. On the last day of April, sunrise is at 05:50 and sunset at 18:59 JST.

Sunshine

In April, the average sunshine in Isagawa, Japan, is 6.7h.

UV index

In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during April leads to these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the usual temperature for Isagawa in April?
The high-temperature, in April, in Isagawa, records 22.3°C (72.1°F), while the low-temperature is 19.9°C (67.8°F).
What is the average humidity in April in Isagawa?
The average relative humidity in April is 77%.
How much does it rain in Isagawa in April?
In April, in Isagawa, the rain falls for 16.7 days. Throughout April, 104mm (4.09") of precipitation is accumulated.
What is the average length of the day in April in Isagawa?
The average day length in April is 12h and 47min.
When are sunrise and sunset in April in Isagawa?
In April, on the first day of the month, sunrise is at 06:18 and sunset at 18:45. On the last day of the month, sunrise is at 05:50 and sunset at 18:59 JST.
How long on average sun shines in April in Isagawa?
In April, the average sunshine duration is 6.7h.
What is the UV index intensity in April in Isagawa?
In April, the average daily maximum UV index in Isagawa, Japan, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April - Isagawa, Japan
Average temperature in April
Isagawa, Japan
  • Average high temperature in April: 22.3°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 (18.6°C).

  • Average low temperature in April: 19.9°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

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

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

Average wind speed in April - Isagawa, Japan
Average wind speed in April
Isagawa, Japan
  • Average wind speed in April: 21.3km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

Average humidity in April - Isagawa, Japan
Average humidity in April
Isagawa, Japan
  • Average humidity in April: 77%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in April - Isagawa, Japan
Average rainfall in April
Isagawa, Japan
  • Average rainfall in April: 104mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

Average rainfall days in April - Isagawa, Japan
Average rainfall days in April
Isagawa, Japan
  • Average rainfall days in April: 16.7 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

Average daylight in April / Average sunshine in April - Isagawa, Japan
Average daylight in April /
Average sunshine in April
Isagawa, Japan
  • Average daylight in April: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in April: 6h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in April - Isagawa, Japan
Average sunshine days in April
Isagawa, Japan
  • Average sunshine days in April: 10.7 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

Average UV index in April - Isagawa, Japan
Average UV index in April
Isagawa, Japan
  • Average UV index in April: 6

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in April - Isagawa, Japan
Average cloud cover in April
Isagawa, Japan
  • Average cloud cover in April: 52

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

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

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

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