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 arrival of April witnesses a small shift in the average high-temperature, moving from 13.3°C (55.9°F) in March to a still refreshing 17°C (62.6°F). Hayama, during the April nights, maintains an average temperature of 12.1°C (53.8°F), closely aligned with its daytime readings.Humidity
In Hayama, Japan, the average relative humidity in April is 70%.Rainfall
In April, the rain falls for 13.6 days. Throughout April, 73mm (2.87") of precipitation is accumulated. Throughout the year, there are 150.9 rainfall days, and 867mm (34.13") of precipitation is accumulated.Snowfall
April through December are months without snowfall.Sea temperature
In Hayama, Japan, in April, the average water temperature is 17.5°C (63.5°F).Note: In water with a temperature of 17.5°C (63.5°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.
Daylight
The average length of the day in April is 13h and 5min.On the first day of the month, sunrise is at 05:27 and sunset at 18:02. On the last day of April, in Hayama, sunrise is at 04:51 and sunset at 18:26 JST.
Sunshine
In April, the average sunshine is 8.9h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in April translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the average April temperature in Hayama?
What is the average humidity in April in Hayama?
How much does it rain in Hayama in April?
When it does not snow in Hayama?
Does it snow in Hayama in April?
What is the sea temperature in April in Hayama?
What is the average length of the day in April in Hayama?
When are sunrise and sunset in April in Hayama?
How many hours of sunshine does Hayama have in April?
How high is the UV index in April in Hayama?
Average temperature in April
Hayama, Japan
- Average high temperature in April: 17°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in April: 12.1°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in April
Hayama, Japan
- Average pressure in April: 1014.2mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in April
Hayama, Japan
- Average wind speed in April: 20.1km/h
The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in April
Hayama, Japan
- Average humidity in April: 70%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).
Average rainfall in April
Hayama, Japan
- Average rainfall in April: 73mm
The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).
Average rainfall days in April
Hayama, Japan
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in April
Hayama, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in April
Hayama, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in April
Hayama, Japan
- Average sea temperature in April: 17.5°C
The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest months (with the lowest average sea temperature) are February and March (16.2°C).
Average daylight in April /
Average sunshine in April
Hayama, Japan
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in April
Hayama, Japan
- Average sunshine days in April: 13.5 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Hayama, Japan
- Average UV index in April: 5
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 3).
Average cloud cover in April
Hayama, Japan
- Average cloud cover in April: 40
The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Hayama, Japan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Hayama, Japan
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