Climate and monthly weather forecastHachimantai, Japan

Climate and monthly weather forecast

Weather in January

January, the same as December, is another cold winter month in Hachimantai, Japan, with an average temperature fluctuating between 0.9°C (33.6°F) and -3.1°C (26.4°F). With average temperatures fluctuating between a high of 0.9°C (33.6°F) and a low of -3.1°C (26.4°F), January stands out as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Hachimantai, is also a wintry month, with an average temperature fluctuating between -3.7°C (25.3°F) and 1.2°C (34.2°F). February brings an average high-temperature of a still cold 1.2°C (34.2°F), showing a slight difference from January's 0.9°C (33.6°F). Weather in February »

Weather in March

March, the first month of the spring in Hachimantai, is still a cold month, with an average temperature varying between -0.3°C (31.5°F) and 5.1°C (41.2°F). With the onset of March, Hachimantai observes a minor temperature ascent, with the average high-temperature adjusting from February's wintry 1.2°C (34.2°F) to a still cold 5.1°C (41.2°F). Weather in March »

Weather in April

April is a cool spring month in Hachimantai, Japan, with an average temperature varying between 11.3°C (52.3°F) and 4.4°C (39.9°F). Hachimantai's weather in April presents a rise in the average high-temperature, moving from a cold 5.1°C (41.2°F) in March to a cool 11.3°C (52.3°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Hachimantai, Japan, with temperature in the range of an average high of 17.3°C (63.1°F) and an average low of 9.7°C (49.5°F). Hachimantai experiences a temperature shift with the start of May, with average high-temperatures moving from a cool 11.3°C (52.3°F) in April to a comfortable 17.3°C (63.1°F). Weather in May »

Weather in June

June, the first month of the summer in Hachimantai, is an agreeable month, with temperature in the range of an average high of 20.5°C (68.9°F) and an average low of 13.4°C (56.1°F). Observing a slight rise in June, the average high-temperature shifts from May's comfortable 17.3°C (63.1°F) to a pleasant 20.5°C (68.9°F). Weather in June »

Weather in July

July in Hachimantai, Japan, is a warm summer month, with temperature in the range of an average low of 18°C (64.4°F) and an average high of 24°C (75.2°F). July's arrival coincides with a marginal rise in the average high-temperature, moving from June's pleasant 20.5°C (68.9°F) to a moderately hot 24°C (75.2°F). Weather in July »

Weather in August

August, the last month of the summer in Hachimantai, is also a moderately hot month, with an average temperature ranging between min 19.9°C (67.8°F) and max 25.8°C (78.4°F). Temperature readings reach their annual highs in August, averaging 25.8°C (78.4°F) and a minimum average of 19.9°C (67.8°F). Weather in August »

Weather in September

September, the first month of the autumn in Hachimantai, is still a pleasant month, with an average temperature varying between 16.6°C (61.9°F) and 22.6°C (72.7°F). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 25.8°C (78.4°F) in August to a pleasant 22.6°C (72.7°F). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Hachimantai, Japan, with temperature in the range of an average high of 16.7°C (62.1°F) and an average low of 10.7°C (51.3°F). Hachimantai in October undergoes a mild reduction in the average high-temperature, shifting from September's pleasant 22.6°C (72.7°F) to a comfortable 16.7°C (62.1°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Hachimantai, Japan, with an average temperature ranging between max 10.5°C (50.9°F) and min 5.2°C (41.4°F). Hachimantai in November experiences a subtle temperature decline, with average high-temperatures reducing from an enjoyable 16.7°C (62.1°F) in October to a cool 10.5°C (50.9°F). Weather in November »

Weather in December

December, the first month of the winter in Hachimantai, is also an icy month, with an average temperature ranging between max 3.8°C (38.8°F) and min -0.1°C (31.8°F). Welcoming December, Hachimantai observes a shift in the average high-temperature, falling from November's fresh 10.5°C (50.9°F) to a wintry 3.8°C (38.8°F). Weather in December »

Updated: Jul 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Hachimantai's coldest temperatures are experienced in January, with average high temperatures of 0.9°C (33.6°F) and lows of -3.1°C (26.4°F).

In Hachimantai, during the entire year, the rain falls for 156.7 days and collects up to 740mm (29.13") of precipitation.

January through April, November and December are months with snowfall.

January is the month with the most snowfall. Snow falls for 19.1 days and accumulates 171mm (6.73") of snow.

Throughout the year, there are 67.1 snowfall days, and 669mm (26.34") of snow is accumulated.

The month with the least sunshine in Hachimantai is January, with an average of 3.4h of sunshine.

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

The least humid month is April, with an average relative humidity of 71%.

May through October are months without snowfall.

The month with the most sunshine is May, with an average of 9.2h of sunshine.

With an average of 15h and 0min of daylight, June has the longest days of the year.

With an average relative humidity of 85%, July is the most humid month.

The month with the most rainfall is July, when the rain falls for 19.4 days and typically aggregates up to 108mm (4.25") of precipitation.

With an average maximum UV index of 6, July is the month with the highest UV index.

Hachimantai reaches its average highest temperatures in August, measuring 25.8°C (78.4°F) at the peak and 19.9°C (67.8°F) at the lowest.

November is the month with the least rainfall. Rain falls for 13 days and accumulates 29mm (1.14") of precipitation.

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Hachimantai does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.

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Average temperature
Hachimantai, Japan

Average high temperature in January:
0.9°C
Average high temperature in February:
1.2°C
Average high temperature in March:
5.1°C
Average high temperature in April:
11.3°C
Average high temperature in May:
17.3°C
Average high temperature in June:
20.5°C

Average high temperature in July:
24°C
Average high temperature in August:
25.8°C
Average high temperature in September:
22.6°C
Average high temperature in October:
16.7°C
Average high temperature in November:
10.5°C
Average high temperature in December:
3.8°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 (0.9°C).

Average low temperature in January:
-3.1°C
Average low temperature in February:
-3.7°C
Average low temperature in March:
-0.3°C
Average low temperature in April:
4.4°C
Average low temperature in May:
9.7°C
Average low temperature in June:
13.4°C

Average low temperature in July:
18°C
Average low temperature in August:
19.9°C
Average low temperature in September:
16.6°C
Average low temperature in October:
10.7°C
Average low temperature in November:
5.2°C
Average low temperature in December:
-0.1°C

The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).

Average pressure
Hachimantai, Japan

Average pressure in July:
1009.1mbar
Average pressure in August:
1010mbar
Average pressure in September:
1013.9mbar
Average pressure in October:
1016.8mbar
Average pressure in November:
1017.3mbar
Average pressure in December:
1014.3mbar

The month with the highest atmospheric pressure is November (1017.3mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).

Average wind speed
Hachimantai, Japan

Average wind speed in January:
19.2km/h
Average wind speed in February:
17.7km/h
Average wind speed in March:
17.3km/h
Average wind speed in April:
16.1km/h
Average wind speed in May:
13.3km/h
Average wind speed in June:
10.8km/h

Average wind speed in July:
9.9km/h
Average wind speed in August:
10.8km/h
Average wind speed in September:
12.2km/h
Average wind speed in October:
15km/h
Average wind speed in November:
16.5km/h
Average wind speed in December:
19.3km/h

The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).

Average humidity
Hachimantai, Japan

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is April (71%).

Average rainfall
Hachimantai, Japan

The wettest month (with the highest rainfall) is July (108mm).
The driest month (with the least rainfall) is November (29mm).

Average rainfall days
Hachimantai, Japan

Average rainfall days in January:
9.2 days
Average rainfall days in February:
8.3 days
Average rainfall days in March:
11.5 days
Average rainfall days in April:
12.9 days
Average rainfall days in May:
11.6 days
Average rainfall days in June:
13.7 days

Average rainfall days in July:
19.4 days
Average rainfall days in August:
18.1 days
Average rainfall days in September:
15 days
Average rainfall days in October:
12.5 days
Average rainfall days in November:
13 days
Average rainfall days in December:
11.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.3 days).

Average snowfall
Hachimantai, Japan

The month with the highest snowfall is January (171mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days
Hachimantai, Japan

Average snowfall days in January:
19.1 days
Average snowfall days in February:
14.8 days
Average snowfall days in March:
10.9 days
Average snowfall days in April:
2.3 days
Average snowfall days in May:
0 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
0 days
Average snowfall days in November:
4.5 days
Average snowfall days in December:
15.5 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Hachimantai, Japan

Average daylight in January:
9h and 42min
Average daylight in February:
10h and 42min
Average daylight in March:
11h and 54min
Average daylight in April:
13h and 18min
Average daylight in May:
14h and 24min
Average daylight in June:
15h and 0min

Average daylight in July:
14h and 42min
Average daylight in August:
13h and 42min
Average daylight in September:
12h and 30min
Average daylight in October:
11h and 12min
Average daylight in November:
10h and 0min
Average daylight in December:
9h and 24min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

Average sunshine in January:
3h and 24min
Average sunshine in February:
3h and 30min
Average sunshine in March:
5h and 42min
Average sunshine in April:
8h and 42min
Average sunshine in May:
9h and 12min
Average sunshine in June:
8h and 42min

Average sunshine in July:
8h and 12min
Average sunshine in August:
8h and 48min
Average sunshine in September:
7h and 30min
Average sunshine in October:
7h and 12min
Average sunshine in November:
4h and 54min
Average sunshine in December:
4h and 6min

The month with the most sunshine is May (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).