Climate and monthly weather forecastShiraoka, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Shiraoka, Japan, with temperature in the range of an average low of 1°C (33.8°F) and an average high of 8°C (46.4°F). Shiraoka's coldest temperatures are experienced in January, with average high temperatures of 8°C (46.4°F) and lows of 1°C (33.8°F). Weather in January »Weather in February
February, the last month of the winter in Shiraoka, is also a frosty month, with an average temperature fluctuating between 1.6°C (34.9°F) and 8.9°C (48°F). The advent of February reveals an average high-temperature of a still frosty 8.9°C (48°F), showing minimal difference from the prior month. Weather in February »Weather in March
March, the first month of the spring in Shiraoka, is a moderate month, with an average temperature fluctuating between 13°C (55.4°F) and 4.7°C (40.5°F). As February gives way to March, the average high-temperature displays a slight ascent, adjusting from a frosty 8.9°C (48°F) to a moderate 13°C (55.4°F). Weather in March »Weather in April
April is a refreshing spring month in Shiraoka, Japan, with an average temperature ranging between max 18°C (64.4°F) and min 9.3°C (48.7°F). Shiraoka's weather shows a temperature rise with the arrival of April, moving from a refreshing 13°C (55.4°F) in March to a comfortable 18°C (64.4°F). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Shiraoka, Japan, with an average temperature varying between 15°C (59°F) and 24°C (75.2°F). The commencement of May sees a shift in the average high-temperature, moving from a refreshing 18°C (64.4°F) in April to a moderately hot 24°C (75.2°F). Weather in May »Weather in June
June, the first month of the summer in Shiraoka, is also a moderately hot month, with an average temperature fluctuating between 18.5°C (65.3°F) and 26.3°C (79.3°F). Shiraoka, Japan, records an average high-temperature of a still warm 26.3°C (79.3°F) in June, maintaining a close correlation with May's 24°C (75.2°F). Weather in June »Weather in July
July in Shiraoka, Japan, is a tropical summer month, with an average temperature varying between 22.8°C (73°F) and 30.7°C (87.3°F). July's arrival coincides with a marginal rise in the average high-temperature, moving from June's moderately hot 26.3°C (79.3°F) to a tropical 30.7°C (87.3°F). Weather in July »Weather in August
August, the last month of the summer in Shiraoka, is another hot month, with temperature in the range of an average high of 32.1°C (89.8°F) and an average low of 24.3°C (75.7°F). Shiraoka records the warmest temperatures in August, averaging a high of 32.1°C (89.8°F) and a low of 24.3°C (75.7°F). The heat index value during August is computed to be a blistering 41°C (105.8°F). Weather in August »Weather in September
September, the first month of the autumn in Shiraoka, is also a moderately hot month, with an average temperature ranging between max 27.3°C (81.1°F) and min 20.1°C (68.2°F). The start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 32.1°C (89.8°F) in August to a moderately hot 27.3°C (81.1°F). Weather in September »Weather in October
October, the same as September, in Shiraoka, Japan, is an agreeable autumn month, with temperature in the range of an average low of 15°C (59°F) and an average high of 21.6°C (70.9°F). Shiraoka's average high-temperature decreases in October, falling from a warm 27.3°C (81.1°F) in September to an agreeable 21.6°C (70.9°F). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Shiraoka, Japan, with an average temperature ranging between max 15.8°C (60.4°F) and min 9.2°C (48.6°F). Shiraoka's average high-temperature decreases in November, falling from a pleasant 21.6°C (70.9°F) in October to a refreshing 15.8°C (60.4°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Shiraoka, Japan, with an average temperature ranging between max 10.1°C (50.2°F) and min 3.9°C (39°F). The beginning of December marks a decrease in the average high-temperature, transitioning from a moderate 15.8°C (60.4°F) in November to a fresh 10.1°C (50.2°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, with its average high-temperature of 8°C (46.4°F) and an average low-temperature of 1°C (33.8°F), holds the record as the coldest month.
With an average relative humidity of 59%, January is the least humid month.
Throughout the year, in Shiraoka, there are 161.6 rainfall days, and 782mm (30.79") of precipitation is accumulated.
January through March, November and December are months with snowfall in Shiraoka.
In Shiraoka, during the entire year, snow falls for 4.2 days and aggregates up to 66mm (2.6") of snow.
The months with the lowest UV index in Shiraoka are January and December, with an average maximum UV index of 2.
The month with the most snowfall in Shiraoka is February, when snow falls for 2.3 days and typically aggregates up to 39mm (1.54") of snow.
February and November, with an average of 6.1h of sunshine, are months with the least sunshine in Shiraoka, Japan.
April through October are months without snowfall in Shiraoka.
June and July, with an average relative humidity of 74%, are most humid months in Shiraoka, Japan.
June has the longest days of the year in Shiraoka, with an average of 14h and 36min of daylight.
July is the month with the highest UV index, with an average maximum UV index of 7.
August stands out as Shiraoka's warmest month, with temperatures ranging between an average high of 32.1°C (89.8°F) and a low of 24.3°C (75.7°F).
With an average of 9.7h of sunshine, August has the most sunshine of the year in Shiraoka.
The month with the most rainfall in Shiraoka is October, when the rain falls for 15 days and typically aggregates up to 107mm (4.21") of precipitation.
December is the month with the least rainfall. Rain falls for 7.2 days and accumulates 26mm (1.02") of precipitation.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
Shiraoka does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Shiraoka, Japan
The warmest month (with the highest average high temperature) is August (32.1°C).
The month with the lowest average high temperature is January (8°C).
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure
Shiraoka, Japan
- Average pressure in January:
1016.5mbar - Average pressure in February:
1017.5mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.3mbar - Average pressure in September:
1013.7mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1018.4mbar - Average pressure in December:
1016.5mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed
Shiraoka, Japan
- Average wind speed in January:
10.8km/h - Average wind speed in February:
10.8km/h - Average wind speed in March:
10.7km/h - Average wind speed in April:
10.9km/h - Average wind speed in May:
9.8km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
8.4km/h - Average wind speed in August:
8.5km/h - Average wind speed in September:
8.5km/h - Average wind speed in October:
9.3km/h - Average wind speed in November:
8.2km/h - Average wind speed in December:
9.9km/h
The windiest month (with the highest average wind speed) is April (10.9km/h).
The calmest month (with the lowest average wind speed) is November (8.2km/h).
Average humidity
Shiraoka, Japan
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (59%).
Average rainfall
Shiraoka, Japan
The wettest month (with the highest rainfall) is October (107mm).
The driest month (with the least rainfall) is December (26mm).
Average rainfall days
Shiraoka, Japan
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
19.3 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
16.4 days - Average rainfall days in October:
15 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Shiraoka, Japan
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Shiraoka, Japan
- Average snowfall days in January:
1.2 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
0.5 days - Average snowfall days in April:
0 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:
0.1 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Shiraoka, 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 36min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 24min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
9h and 42min - Average sunshine in September:
7h and 36min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 6min - Average sunshine in December:
6h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The months with the least sunshine are February and November (Average sunshine: 6h and 6min).
Average sunshine days
Shiraoka, Japan
- Average sunshine days in January:
24.4 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
10.1 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
18 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (7.3 days).
Average UV index
Shiraoka, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Shiraoka, Japan
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility
Shiraoka, Japan
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
