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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
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
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
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).
How much does it rain?
In Hachimantai, during the entire year, the rain falls for 156.7 days and collects up to 740mm (29.13") of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 19.1 days and accumulates 171mm (6.73") of snow.
How much does it snow?
Throughout the year, there are 67.1 snowfall days, and 669mm (26.34") of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine in Hachimantai is January, with an average of 3.4h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the least humid month?
The least humid month is April, with an average relative humidity of 71%.
When it does not snow?
May through October are months without snowfall.
What month has the most sunshine?
The month with the most sunshine is May, with an average of 9.2h of sunshine.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What is the most humid month?
With an average relative humidity of 85%, July is the most humid month.
What is the rainiest 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.
When is the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the hottest time of year?
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.
What is the driest month?
November is the month with the least rainfall. Rain falls for 13 days and accumulates 29mm (1.14") of precipitation.
What is the month with the shortest days in Hachimantai?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Is there Daylight Saving Time (DST)?
Hachimantai does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Hachimantai, Japan
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).
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 January:
1014.2mbar - Average pressure in February:
1016mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1009.3mbar
- 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 4min - Average daylight in February:
10h and 4min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 2min - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
8h and 1min - Average sunshine in August:
8h and 5min - Average sunshine in September:
7h and 3min - Average sunshine in October:
7h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
4h and 1min
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).
Average sunshine days
Hachimantai, Japan
- Average sunshine days in January:
6.7 days - Average sunshine days in February:
9.1 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
17.6 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
9.3 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
15 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
7.2 days
The month with the most sunshine days is May (17.6 days).
The month with the least sunshine days is January (6.7 days).
Average UV index
Hachimantai, Japan
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Hachimantai, Japan
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are May and October (Cloud cover 37).
Average visibility
Hachimantai, Japan
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is July (8km).
