Climate and monthly weather forecastOnishi, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Onishi, Japan, with an average temperature fluctuating between 5°C (41°F) and -2.3°C (27.9°F). January is the coldest month, exhibiting average temperatures of 5°C (41°F) at the peak and -2.3°C (27.9°F) at the base. Weather in January »Weather in February
February, the last month of the winter in Onishi, is a frosty month, with an average temperature varying between -1.9°C (28.6°F) and 6.2°C (43.2°F). The transition into February notes an average high-temperature of a frosty 6.2°C (43.2°F), revealing a mild distinction from the 5°C (41°F) in January. Weather in February »Weather in March
March, the first month of the spring in Onishi, is a cool month, with an average temperature fluctuating between 1°C (33.8°F) and 10°C (50°F). The start of March brings a subtle shift in the average high-temperature, edging up from February's frosty 6.2°C (43.2°F) to a cool 10°C (50°F). Weather in March »Weather in April
April is a refreshing spring month in Onishi, Japan, with an average temperature fluctuating between 5.7°C (42.3°F) and 15.4°C (59.7°F). As March transitions into April, Onishi sees a rise in the average high-temperature, moving from a fresh 10°C (50°F) to a refreshing 15.4°C (59.7°F). Weather in April »Weather in May
May, the last month of the spring in Onishi, is a pleasant month, with an average temperature fluctuating between 11.3°C (52.3°F) and 21.3°C (70.3°F). May's arrival brings a change in high-temperatures, moving from a refreshing 15.4°C (59.7°F) in April to a pleasant 21.3°C (70.3°F). Weather in May »Weather in June
June, the first month of the summer in Onishi, is a warm month, with an average temperature fluctuating between 23.7°C (74.7°F) and 15.3°C (59.5°F). Onishi marks the start of June with an average high-temperature of a moderately hot 23.7°C (74.7°F), hinting at a slight fluctuation from May's 21.3°C (70.3°F). Weather in June »Weather in July
July, like June, in Onishi, Japan, is another warm summer month, with an average temperature ranging between max 27.8°C (82°F) and min 19.7°C (67.5°F). The shift from June to July is marked by a slight increase in the average high-temperature, moving from 23.7°C (74.7°F) to a still warm 27.8°C (82°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Onishi, Japan, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 20.8°C (69.4°F). August temperatures tend to peak at an average high of 29.2°C (84.6°F) and dip to a low of 20.8°C (69.4°F). For most parts of August, the heat index is appraised at a tropical 34°C (93.2°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Onishi, Japan, with an average temperature ranging between min 16.3°C (61.3°F) and max 24.4°C (75.9°F). During the shift to September, a minor reduction in average high-temperature is observed, shifting from 29.2°C (84.6°F) in August to a still moderately hot 24.4°C (75.9°F). Weather in September »Weather in October
October, like September, in Onishi, Japan, is another comfortable autumn month, with an average temperature varying between 11.3°C (52.3°F) and 18.9°C (66°F). Onishi's progression into October involves a drop in the average high-temperature, receding from a warm 24.4°C (75.9°F) in September to an enjoyable 18.9°C (66°F). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Onishi, Japan, with an average temperature fluctuating between 13.4°C (56.1°F) and 5.5°C (41.9°F). Onishi's November weather comes with a decrease in average high-temperatures, moving from an enjoyable 18.9°C (66°F) in October to a moderate 13.4°C (56.1°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Onishi, Japan, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 0.8°C (33.4°F). December brings a drop in Onishi's average high-temperature, falling from a refreshing 13.4°C (56.1°F) in November to a chilly 7.5°C (45.5°F). Weather in December »Updated: Jan 31, 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
January is the coldest month in Onishi, Japan, exhibiting average temperatures of 5°C (41°F) at the peak and -2.3°C (27.9°F) at the base.
The least humid month is January, with an average relative humidity of 65%.
Throughout the year, in Onishi, Japan, there are 198.8 rainfall days, and 991mm (39.02") of precipitation is accumulated.
January through April, November and December are months with snowfall in Onishi, Japan.
Throughout the year, in Onishi, Japan, there are 22.5 snowfall days, and 226mm (8.9") of snow is accumulated.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Onishi.
February and December are months with the least rain in Onishi when the rain falls for 9.7 days and typically aggregates up to 27mm (1.06") of rain.
The month with the most snowfall is February, when snow falls for 7.1 days and typically aggregates up to 99mm (3.9") of snow.
The month with the least sunshine in Onishi is February, with an average of 6.6h of sunshine.
In Onishi, snow does not fall in May through October.
May and August, with an average of 9.8h of sunshine, are months with the most sunshine.
With an average of 14h and 36min of daylight, June has the longest days of the year.
The months with the highest humidity in Onishi, Japan, are July and September, with an average relative humidity of 79%.
The months with the highest UV index in Onishi are July and August, with an average maximum UV index of 6.
Onishi experiences its average highest temperatures in August, reaching a peak of 29.2°C (84.6°F) and a minimum of 20.8°C (69.4°F).
October is the month with the most rainfall. Rain falls for 17.2 days and accumulates 156mm (6.14") of precipitation.
December has the shortest days of the year in Onishi, Japan, with an average of 9h and 48min of daylight.
Onishi does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Onishi, Japan
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (5°C).
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure
Onishi, Japan
- Average pressure in January:
1017.1mbar - Average pressure in February:
1018mbar - Average pressure in March:
1016.1mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.9mbar - Average pressure in August:
1010.4mbar - Average pressure in September:
1013.8mbar - Average pressure in October:
1017.1mbar - Average pressure in November:
1018.7mbar - Average pressure in December:
1017mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Onishi, Japan
- Average wind speed in January:
10km/h - Average wind speed in February:
9.6km/h - Average wind speed in March:
9.4km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
7.8km/h - Average wind speed in June:
6.5km/h
- Average wind speed in July:
5.7km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
6.4km/h - Average wind speed in October:
7.2km/h - Average wind speed in November:
7.6km/h - Average wind speed in December:
9.1km/h
The windiest month (with the highest average wind speed) is January (10km/h).
The calmest month (with the lowest average wind speed) is July (5.7km/h).
Average humidity
Onishi, Japan
The months with the highest relative humidity are July and September (79%).
The month with the lowest relative humidity is January (65%).
Average rainfall
Onishi, Japan
The wettest month (with the highest rainfall) is October (156mm).
The driest months (with the least rainfall) are February and December (27mm).
Average rainfall days
Onishi, Japan
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
23.3 days
- Average rainfall days in July:
26 days - Average rainfall days in August:
23.1 days - Average rainfall days in September:
19.3 days - Average rainfall days in October:
17.2 days - Average rainfall days in November:
10 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is July (26 days).
The month with the least rainy days is February (9.7 days).
Average snowfall
Onishi, Japan
The month with the highest snowfall is February (99mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Onishi, Japan
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Onishi, Japan
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 54min - Average sunshine in February:
6h and 36min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 36min - Average sunshine in May:
9h and 48min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
9h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 6min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 54min
The months with the most sunshine are May and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days
Onishi, Japan
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
10.7 days - Average sunshine days in April:
10.4 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
4.7 days
- Average sunshine days in July:
3.1 days - Average sunshine days in August:
5.4 days - Average sunshine days in September:
8.4 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (3.1 days).
Average UV index
Onishi, Japan
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Onishi, Japan
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is December (Cloud cover 24).
Average visibility
Onishi, Japan
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are June, July, August and September (8km).
