Hakodate
Japan
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Hakodate, Japan

The last month of the spring, Mayo, is an enjoyable month in Hakodate, Japan, with average temperature varying between 7.5°C (45.5°F) and 16.5°C (61.7°F).

Temperature

In Mayo, the average high-temperature slightly increases, from a cool 11.8°C (53.2°F) in Abril, to an enjoyable 16.5°C (61.7°F). In Mayo, the average low-temperature is 7.5°C (45.5°F).

Humidity

In Mayo, the average relative humidity is 73%.

Rainfall

In Hakodate, during Mayo, the rain falls for 17 days and regularly aggregates up to 83.6mm (3.29") of precipitation. In Hakodate, Japan, during the entire year, the rain falls for 250 days and collects up to 1151.9mm (45.35") of precipitation.

Snowfall

In Hakodate snow does not fall through Octubre.

Sea temperature

In Hakodate, in Mayo, the average water temperature is 9.4°C (48.9°F).
Note: Swimming in 9.4°C (48.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Hakodate, Japan, the average length of the day is 14.5h.

Sunshine

In Hakodate, the average sunshine in Mayo is 6.2h.

UV index

In Mayo, the average daily maximum UV index in Hakodate is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In Mayo, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in Mayo in Hakodate?

The average high-temperature, in Mayo, is 16.5°C (61.7°F), while the average low-temperature is 7.5°C (45.5°F).

What is the average humidity in Mayo in Hakodate?

The average relative humidity in Mayo in Hakodate, Japan, is 73%.

How much does it rain in Hakodate in Mayo?

In Hakodate, in Mayo, it is raining for 17 days, with typically 83.6mm (3.29") of accumulated precipitation.

Does it snow in Hakodate in Mayo?

In Mayo, in Hakodate, it doesn't snow. Abril is the latest month when it typically snows.

When it does not snow in Hakodate?

In Hakodate snow does not fall in Mayo through Octubre.

How cold is the water in Mayo in Hakodate?

In Mayo, the average sea temperature is 9.4°C (48.9°F). Swimming in 9.4°C (48.9°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 Hakodate have in Mayo?

In Mayo, the average length of the day is 14.5h.

How long on average sun shines in Mayo in Hakodate?

In Hakodate, the average sunshine in Mayo is 6.2h.

What is the UV index intensity in Mayo in Hakodate?

In Mayo, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.
Average temperature in May - Hakodate, Japan
  • Average high temperature in May: 16.5°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (0.7°C).

  • Average low temperature in May: 7.5°C

The month with the highest average low temperature is August (18.7°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average humidity in May - Hakodate, Japan
  • Average humidity in May: 73%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is April (67%).

Average rainfall in May - Hakodate, Japan
  • Average rainfall in May: 83.6mm

The wettest month (with the highest rainfall) is August (153.8mm).
Driest months (with the lowest rainfall) are February and March (59.3mm).

Average rainfall days in May - Hakodate, Japan
  • Average rainfall days in May: 17 days

Months with the highest number of rainy days are January and December (28 days).
The month with the lowest number of rainy days is June (16 days).

Average snowfall in May - Hakodate, Japan
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (1180mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May - Hakodate, Japan
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (27.8 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in May - Hakodate, Japan
  • Average sea temperature in May: 9.4°C

The best month for swimming (with the highest average sea temperature) is August (21.8°C).
The coldest month (with the lowest average sea temperature) is March (4.9°C).

Average daylight in May / Average sunshine in May - Hakodate, Japan
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 6.2h

The month with most sunshine is April (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in May - Hakodate, Japan
  • Average UV index in May: 7

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).