Climate and monthly weather forecastOshu, Japan
Climate and monthly weather forecast
Weather in January
January, like December, in Oshu, Japan, is an icy winter month, with an average temperature varying between -5.7°C (21.7°F) and 0.4°C (32.7°F). The coldest period is January, when temperatures fluctuate between an average high of 0.4°C (32.7°F) and a low of -5.7°C (21.7°F). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Oshu, Japan, with an average temperature varying between -5.9°C (21.4°F) and 1.3°C (34.3°F). Oshu marks the start of February with an average high-temperature of a still icy 1.3°C (34.3°F), hinting at a slight fluctuation from January's 0.4°C (32.7°F). Weather in February »Weather in March
March, the first month of the spring in Oshu, is still a cold month, with an average temperature ranging between min -1.8°C (28.8°F) and max 5.8°C (42.4°F). Oshu's transition into March is marked by a minor temperature shift, moving from 1.3°C (34.3°F) in February to a still icy 5.8°C (42.4°F). Weather in March »Weather in April
April in Oshu, Japan, is a fresh spring month, with an average temperature varying between 3.1°C (37.6°F) and 11.8°C (53.2°F). The arrival of April brings an increase in high-temperatures, moving from an icy 5.8°C (42.4°F) in March to a fresh 11.8°C (53.2°F). Weather in April »Weather in May
May, the last month of the spring in Oshu, is a comfortable month, with an average temperature fluctuating between 18.6°C (65.5°F) and 8.9°C (48°F). May signals a shift in the average high-temperature, moving from April's cool 11.8°C (53.2°F) to a refreshing 18.6°C (65.5°F). Weather in May »Weather in June
June, the first month of the summer in Oshu, is an agreeable month, with an average temperature varying between 12.5°C (54.5°F) and 22.1°C (71.8°F). June's arrival signals a modest temperature shift, moving from a comfortable 18.6°C (65.5°F) in May to an agreeable 22.1°C (71.8°F). Weather in June »Weather in July
July in Oshu, Japan, is a moderately hot summer month, with an average temperature ranging between min 17.6°C (63.7°F) and max 25.4°C (77.7°F). July signifies a subtle uplift in the average high-temperature, adjusting from a pleasant 22.1°C (71.8°F) in June to a moderately hot 25.4°C (77.7°F). Weather in July »Weather in August
August, the last month of the summer in Oshu, is another warm month, with an average temperature fluctuating between 18.4°C (65.1°F) and 26.8°C (80.2°F). August, marked by an average high-temperature of 26.8°C (80.2°F) and a low-temperature of 18.4°C (65.1°F), is the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Oshu, Japan, with temperature in the range of an average low of 14.3°C (57.7°F) and an average high of 22.5°C (72.5°F). With the onset of September, Oshu's climate undergoes a slight change as the average high-temperature moves from a moderately hot 26.8°C (80.2°F) in August to a pleasant 22.5°C (72.5°F). Weather in September »Weather in October
October, like September, in Oshu, Japan, is another comfortable autumn month, with an average temperature ranging between max 16.5°C (61.7°F) and min 8.2°C (46.8°F). The onset of October entails a temperature shift, as the average high-temperature decreases from an agreeable 22.5°C (72.5°F) in September to a comfortable 16.5°C (61.7°F). Weather in October »Weather in November
November, the last month of the autumn in Oshu, is another chilly month, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 9.8°C (49.6°F). November brings a drop in Oshu's average high-temperature, falling from a comfortable 16.5°C (61.7°F) in October to a frosty 9.8°C (49.6°F). Weather in November »Weather in December
December, the first month of the winter in Oshu, is still a cold month, with an average temperature varying between -2.5°C (27.5°F) and 3.4°C (38.1°F). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 9.8°C (49.6°F) in November to a wintry 3.4°C (38.1°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Oshu, Japan
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (0.4°C).
The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure
Oshu, Japan
- Average pressure in January:
1015.6mbar - Average pressure in February:
1017.2mbar - Average pressure in March:
1015.7mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1011.8mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1010mbar - Average pressure in September:
1013.9mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1018.3mbar - Average pressure in December:
1015.6mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed
Oshu, Japan
- Average wind speed in January:
12.2km/h - Average wind speed in February:
12.1km/h - Average wind speed in March:
12.1km/h - Average wind speed in April:
11.6km/h - Average wind speed in May:
9.9km/h - Average wind speed in June:
8km/h
- Average wind speed in July:
6.9km/h - Average wind speed in August:
6.8km/h - Average wind speed in September:
7.7km/h - Average wind speed in October:
9.4km/h - Average wind speed in November:
9.7km/h - Average wind speed in December:
11.8km/h
The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity
Oshu, Japan
The months with the highest relative humidity are January and July (87%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall
Oshu, Japan
The wettest month (with the highest rainfall) is October (108mm).
The driest month (with the least rainfall) is November (41mm).
Average rainfall days
Oshu, Japan
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
14.3 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
15 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
16.4 days
The months with the highest number of rainy days are July and December (16.4 days).
The month with the least rainy days is May (11.4 days).
Average snowfall
Oshu, Japan
The month with the highest snowfall is January (221mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Oshu, Japan
- Average snowfall days in January:
23.3 days - Average snowfall days in February:
18 days - Average snowfall days in March:
9.8 days - Average snowfall days in April:
1.6 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:
2.9 days - Average snowfall days in December:
16 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Oshu, Japan
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - 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 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 48min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
8h and 24min - Average sunshine in September:
7h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is May (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Oshu, Japan
- Average sunshine days in January:
3.9 days - Average sunshine days in February:
4.8 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
17.2 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
13.3 days - Average sunshine days in December:
5.8 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is January (3.9 days).
Average UV index
Oshu, 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
Oshu, Japan
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is October (Cloud cover 42).
Average visibility
Oshu, Japan
The months with the highest visibility are March, April and November (9km).
The months with the lowest visibility are January, July, August and September (7km).





