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 shift from March to April introduces a subtle increase in the average high-temperature, moving from a cool 12.1°C (53.8°F) to an enjoyable 16.9°C (62.4°F). During the April nights, an average temperature of 8.1°C (46.6°F) is observed.Humidity
In Onomichi, the average relative humidity in April is 72%.Rainfall
In Onomichi, in April, it is raining for 9.9 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 118.5 rainfall days, and 329mm (12.95") of precipitation is accumulated.Snowfall
In Onomichi, snow does not fall in March through November.Sea temperature
In Onomichi, the average seawater temperature in April is 15.4°C (59.7°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 15.4°C (59.7°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In April, the average length of the day is 13h and 3min.On the first day of April, sunrise is at 05:53 and sunset at 18:28. On the last day of the month, sunrise is at 05:18 and sunset at 18:50 JST.
Sunshine
In Onomichi, Japan, the average sunshine in April is 8.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the temperature in April in Onomichi?
What is the average humidity in April in Onomichi?
How much does it rain in Onomichi in April?
When it does not snow in Onomichi?
What is the sea temperature in April in Onomichi?
What is the average length of the day in April in Onomichi?
When is the sunrise / sunset in April in Onomichi?
How many hours of sunshine does Onomichi have in April?
How high is the UV index in April in Onomichi?
Average temperature in April
Onomichi, Japan
- Average high temperature in April: 16.9°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in April: 8.1°C
The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in April
Onomichi, Japan
- Average pressure in April: 1015.1mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in April
Onomichi, Japan
- Average wind speed in April: 8.9km/h
The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is June (6.9km/h).
Average humidity in April
Onomichi, Japan
- Average humidity in April: 72%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (71%).
Average rainfall in April
Onomichi, Japan
- Average rainfall in April: 24mm
The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in April
Onomichi, Japan
- Average rainfall days in April: 9.9 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in April
Onomichi, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Onomichi, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in April
Onomichi, Japan
- Average sea temperature in April: 15.4°C
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in April /
Average sunshine in April
Onomichi, Japan
- Average daylight in April: 13h and 1min
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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Onomichi, Japan
- Average sunshine days in April: 18.8 days
The month with the most sunshine days is May (21.6 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
Onomichi, 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, February and December (UV index 2).
Average cloud cover in April
Onomichi, Japan
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Onomichi, Japan
- Average visibility in April: 9km
The month with the highest visibility is January (10km).
The months with the lowest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
Onomichi, Japan
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