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
April signals a minor shift in the average high-temperature, moving from March's icy 0.5°C (32.9°F) to a still cold 5°C (41°F). An average nighttime temperature of 2.3°C (36.1°F) marks April.Humidity
In April, the average relative humidity in Wakkanai, Japan, is 78%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.8 days and typically collects 35mm (1.38") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Wakkanai, in April, during 5.8 snowfall days, 38mm (1.5") of snow is typically accumulated. In Wakkanai, during the entire year, snow falls for 88.9 days and aggregates up to 759mm (29.88") of snow.Sea temperature
In Wakkanai, in April, the average water temperature is 5.3°C (41.5°F).Note: Staying in 5.3°C (41.5°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
In April, the average length of the day in Wakkanai is 13h and 31min.On the first day of April, sunrise is at 05:13 and sunset at 18:01. On the last day of the month, sunrise is at 04:22 and sunset at 18:38 JST.
Sunshine
In April, the average sunshine is 8.3h.UV index
In April, the average daily maximum UV index in Wakkanai, Japan, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 in April translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold does it get in Wakkanai in April?
What is the average humidity in April in Wakkanai?
What is the driest month in Wakkanai?
How many days does it rain in April in Wakkanai?
How much does it snow in Wakkanai in April?
What is the sea water temperature in April in Wakkanai?
What is the average length of the day in April in Wakkanai?
What time are sunrise and sunset in April in Wakkanai?
How many hours of sunshine does Wakkanai have in April?
How high is the UV index in April in Wakkanai?
Average temperature in April
Wakkanai, Japan
- Average high temperature in April: 5°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in April: 2.3°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-5.7°C).
Average pressure in April
Wakkanai, Japan
- Average pressure in April: 1010.9mbar
The months with the highest atmospheric pressure are October and November (1014.1mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in April
Wakkanai, Japan
- Average wind speed in April: 23.4km/h
The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).
Average humidity in April
Wakkanai, Japan
- Average humidity in April: 78%
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Wakkanai, Japan
- Average rainfall in April: 35mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in April
Wakkanai, Japan
- Average rainfall days in April: 10.8 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in April
Wakkanai, Japan
- Average snowfall in April: 38mm
The month with the highest snowfall is December (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Wakkanai, Japan
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Wakkanai, Japan
- Average sea temperature in April: 5.3°C
The best month for swimming (with the highest average sea temperature) is August (19.7°C).
The coldest month (with the lowest average sea temperature) is February (2.7°C).
Average daylight in April /
Average sunshine in April
Wakkanai, Japan
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in April
Wakkanai, Japan
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is December (2 days).
Average UV index in April
Wakkanai, Japan
- Average UV index in April: 3
The months with the highest UV index are July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Wakkanai, Japan
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in April
Wakkanai, Japan
- Average visibility in April: 9km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and December (7km).
Wakkanai, Japan
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