Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
The shift from March to April introduces a subtle increase in the average high-temperature, moving from a chilly 9.5°C (49.1°F) to a mild 14.2°C (57.6°F). Throughout April nights, Iwaki registers an average low-temperature of 6.3°C (43.3°F).Humidity
In Iwaki, the average relative humidity in April is 74%.Rainfall
In Iwaki, in April, it is raining for 15.7 days, with typically 103mm (4.06") of accumulated precipitation. In Iwaki, Japan, during the entire year, the rain falls for 195.5 days and collects up to 1085mm (42.72") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Iwaki, the average length of the day in April is 13h and 9min.On the first day of April in Iwaki, sunrise is at 05:21 and sunset at 17:58. On the last day of the month, sunrise is at 04:42 and sunset at 18:24 JST.
Sunshine
In Iwaki, the average sunshine in April is 8.9h.UV index
In April, the average daily maximum UV index in Iwaki is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Iwaki?
What is the average humidity in April in Iwaki?
How much does it rain in Iwaki in April?
When it does not snow in Iwaki?
Does it snow in Iwaki in April?
What is the average length of the day in April in Iwaki?
When are sunrise and sunset in April in Iwaki?
How many hours of sunshine does Iwaki have in April?
What is the UV index intensity in April in Iwaki?
Average temperature in April
Iwaki, Japan
- Average high temperature in April: 14.2°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 (5.1°C).
- Average low temperature in April: 6.3°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in April
Iwaki, Japan
- Average pressure in April: 1014.6mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1009.4mbar).
Average wind speed in April
Iwaki, Japan
- Average wind speed in April: 14.3km/h
The windiest month (with the highest average wind speed) is January (16.5km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).
Average humidity in April
Iwaki, Japan
- Average humidity in April: 74%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (70%).
Average rainfall in April
Iwaki, Japan
- Average rainfall in April: 103mm
The wettest month (with the highest rainfall) is October (152mm).
The driest months (with the least rainfall) are January and February (45mm).
Average rainfall days in April
Iwaki, Japan
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in April
Iwaki, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (67mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Iwaki, Japan
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Iwaki, Japan
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in April
Iwaki, Japan
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in April
Iwaki, Japan
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in April
Iwaki, Japan
- Average cloud cover in April: 40
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility in April
Iwaki, Japan
- Average visibility in April: 9km
The months with the highest visibility are November and December (10km).
The month with the lowest visibility is July (8km).
