April weather forecast
Tomakomai, Japan

April

Weather in April

April is a chilly spring month in Tomakomai, Japan, with temperature in the range of an average high of 8.5°C (47.3°F) and an average low of 2.6°C (36.7°F).

Temperature

April's arrival coincides with a rise in the average high-temperature, moving from March's icy 2.5°C (36.5°F) to a chilly 8.5°C (47.3°F). Tomakomai records a mean low-temperature of 2.6°C (36.7°F) in April.

Humidity

The months with the lowest humidity in Tomakomai are April and October, with an average relative humidity of 75%.

Rainfall

In Tomakomai, in April, during 11.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Tomakomai, during the entire year, the rain falls for 119.1 days and collects up to 428mm (16.85") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Tomakomai. During 2.3 snowfall days, in April, Tomakomai aggregates 36mm (1.42") of snow. Throughout the year, in Tomakomai, there are 43.3 snowfall days, and 428mm (16.85") of snow is accumulated.

Sea temperature

In Tomakomai, Japan, in April, the average water temperature is 5.1°C (41.2°F).
Note: In 5.1°C (41.2°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).

Daylight

The average length of the day in April in Tomakomai is 13h and 23min.
On the first day of April in Tomakomai, sunrise is at 05:15 and sunset at 17:59. On the last day of the month, sunrise is at 04:29 and sunset at 18:32 JST.

Sunshine

In April, the average sunshine in Tomakomai is 9h.

UV index

The average daily maximum UV index in April in Tomakomai is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What are the temperatures in Tomakomai in April?
Tomakomai in April has an average high-temperature of 8.5°C (47.3°F) and an average low-temperature of 2.6°C (36.7°F).
What are the least humid months in Tomakomai?
The months with the lowest humidity are April and October, with an average relative humidity of 75%.
What is the average humidity in April in Tomakomai?
The average relative humidity in April is 75%.
How much does it rain in Tomakomai in April?
In Tomakomai, in April, during 11.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated.
What is the last month it snows in Tomakomai?
April is the last month it regularly snows in Tomakomai, Japan. During 2.3 snowfall days, in April, Tomakomai aggregates 36mm (1.42") of snow.
What is the water temperature in April in Tomakomai?
In Tomakomai, the average seawater temperature in April is 5.1°C (41.2°F). Swimming in 5.1°C (41.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
How many hours of daylight does Tomakomai have in April?
In April, the average day length in Tomakomai, Japan, is 13h and 23min.
What time are sunrise and sunset in April in Tomakomai?
On the first day of April in Tomakomai, sunrise is at 05:15 and sunset at 17:59. On the last day of the month, sunrise is at 04:29 and sunset at 18:32 JST.
How many hours of sunshine does Tomakomai have in April?
The average sunshine duration in April is 9h.
What is the UV index intensity in April in Tomakomai?
In April, the average daily maximum UV index in Tomakomai is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April - Tomakomai, Japan
Average temperature in April
Tomakomai, Japan
  • Average high temperature in April: 8.5°C

The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in April: 2.6°C

The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (-7.2°C).

Average pressure in April - Tomakomai, Japan
Average pressure in April
Tomakomai, Japan
  • Average pressure in April: 1012.5mbar

The month with the highest atmospheric pressure is November (1016.3mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).

Average wind speed in April - Tomakomai, Japan
Average wind speed in April
Tomakomai, Japan
  • Average wind speed in April: 14.2km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).

Average humidity in April - Tomakomai, Japan
Average humidity in April
Tomakomai, Japan
  • Average humidity in April: 75%

The month with the highest relative humidity is July (87%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in April - Tomakomai, Japan
Average rainfall in April
Tomakomai, Japan
  • Average rainfall in April: 30mm

The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is January (17mm).

Average rainfall days in April - Tomakomai, Japan
Average rainfall days in April
Tomakomai, Japan
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is July (14.8 days).
The months with the least rainy days are January and February (3.9 days).

Average snowfall in April - Tomakomai, Japan
Average snowfall in April
Tomakomai, Japan
  • Average snowfall in April: 36mm

The month with the highest snowfall is February (119mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in April - Tomakomai, Japan
Average snowfall days in April
Tomakomai, Japan
  • Average snowfall days in April: 2.3 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in April - Tomakomai, Japan
Average sea temperature in April
Tomakomai, Japan
  • Average sea temperature in April: 5.1°C

The best month for swimming (with the highest average sea temperature) is August (20.8°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight in April / Average sunshine in April - Tomakomai, Japan
Average daylight in April /
Average sunshine in April
Tomakomai, Japan
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 9h and 0min

The month with the most sunshine is May (Average sunshine: 9h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).

Average sunshine days in April - Tomakomai, Japan
Average sunshine days in April
Tomakomai, Japan
  • Average sunshine days in April: 15.9 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in April - Tomakomai, Japan
Average UV index in April
Tomakomai, Japan
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April - Tomakomai, Japan
Average cloud cover in April
Tomakomai, Japan
  • Average cloud cover in April: 40

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is October (Cloud cover 33).

Average visibility in April - Tomakomai, Japan
Average visibility in April
Tomakomai, Japan
  • Average visibility in April: 10km

The months with the highest visibility are January, April, September, October, November and December (10km).
The month with the lowest visibility is July (8km).

englishespañol中文
Share