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 sea temperature 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
Weather in April
Temperature
The beginning of April marks a minor shift in the average high-temperature, moving from March's cool 12.3°C (54.1°F) to an enjoyable 16.3°C (61.3°F). Nighttime temperatures in April average to a fresh 10.5°C (50.9°F).Humidity
In April, the average relative humidity in Yanai is 74%.Rainfall
In Yanai, during April, the rain falls for 12.2 days and regularly aggregates up to 97mm (3.82") of precipitation. In Yanai, during the entire year, the rain falls for 168 days and collects up to 1163mm (45.79") of precipitation.Snowfall
In Yanai, snow does not fall in March through November.Sea temperature
In Yanai, Japan, in April, the average water temperature is 15.2°C (59.4°F).Note: Swimming in 15.2°C (59.4°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in April is 13h and 2min.On the first day of the month, sunrise is at 05:58 and sunset at 18:32. On the last day of April, in Yanai, sunrise is at 05:23 and sunset at 18:54 JST.
Sunshine
The average sunshine in April is 9.1h.UV index
In Yanai, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, an average UV index of 4 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are April temperatures in Yanai?
What is the average humidity in April in Yanai?
How many days does it rain in April in Yanai?
When it does not snow in Yanai?
How cold is the water in April in Yanai?
How many hours of daylight does Yanai have in April?
When are sunrise and sunset in April in Yanai?
How many hours of sunshine does Yanai have in April?
What is the UV index reading in April in Yanai?
Average temperature in April
Yanai, Japan
- Average high temperature in April: 16.3°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in April: 10.5°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in April
Yanai, Japan
- Average pressure in April: 1015.2mbar
The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in April
Yanai, Japan
- Average wind speed in April: 11.3km/h
The windiest month (with the highest average wind speed) is January (14.5km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in April
Yanai, Japan
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (71%).
Average rainfall in April
Yanai, Japan
- Average rainfall in April: 97mm
The wettest month (with the highest rainfall) is July (213mm).
The driest month (with the least rainfall) is January (39mm).
Average rainfall days in April
Yanai, Japan
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is October (10.5 days).
Average snowfall in April
Yanai, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Yanai, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Yanai, Japan
- Average sea temperature in April: 15.2°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).
Average daylight in April /
Average sunshine in April
Yanai, Japan
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Yanai, Japan
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in April
Yanai, 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
Yanai, Japan
- Average cloud cover in April: 37
The months with the most cloud cover are January and June (Cloud cover 43).
The months with the least cloud cover are August, October and November (Cloud cover 32).
Average visibility in April
Yanai, Japan
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
Yanai, Japan
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