Climate and monthly weather forecastShiraho, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Shiraho, Japan, is another pleasant winter month, with an average temperature varying between 20.6°C (69.1°F) and 18.7°C (65.7°F). Shiraho's January weather, marked by an average high temperature of 20.6°C (69.1°F) and an average low temperature of 18.7°C (65.7°F), is the coldest in the year. Weather in January »Weather in February
February, the last month of the winter in Shiraho, is also an agreeable month, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 21.3°C (70.3°F). The introduction of February sees an average high-temperature of a still pleasant 21.3°C (70.3°F), hardly deviating from January. Weather in February »Weather in March
March, the first month of the spring in Shiraho, is also an agreeable month, with an average temperature ranging between max 21.9°C (71.4°F) and min 20.2°C (68.4°F). Shiraho, Japan, records a slight change with March's average high-temperatures adjusting to a still pleasant 21.9°C (71.4°F) from February's 21.3°C (70.3°F). Weather in March »Weather in April
April is a warm spring month in Shiraho, Japan, with an average temperature varying between 23.7°C (74.7°F) and 22°C (71.6°F). Shiraho's weather in April, with an average high-temperature of a warm 23.7°C (74.7°F), subtly shifts from March's 21.9°C (71.4°F). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Shiraho, Japan, with an average temperature varying between 26.1°C (79°F) and 24.9°C (76.8°F). Shiraho records a slight change with May's average high-temperatures adjusting to a still moderately hot 26.1°C (79°F) from April's 23.7°C (74.7°F). Weather in May »Weather in June
June, the first month of the summer in Shiraho, is also a moderately hot month, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 27.4°C (81.3°F). Shiraho notes an average high-temperature of a still moderately hot 28.3°C (82.9°F) in June, hardly diverging from May. Weather in June »Weather in July
July, like June, in Shiraho, Japan, is another warm summer month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 28.4°C (83.1°F). In Shiraho, the months of July and August register the highest average temperatures, peaking at 29.3°C (84.7°F). The heat index value during July is evaluated at a fiery hot 36°C (96.8°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Shiraho, Japan, with an average temperature fluctuating between 28.3°C (82.9°F) and 29.3°C (84.7°F). The warmest months are July and August, with an average high-temperature of 29.3°C (84.7°F). During August, the heat index is evaluated at a fiery hot 36°C (96.8°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Shiraho, Japan, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 27.5°C (81.5°F). September brings a marginal elevation to a still moderately hot 28.5°C (83.3°F) from August's 29.3°C (84.7°F) in Shiraho's average high-temperatures. Weather in September »Weather in October
October, like September, in Shiraho, Japan, is a moderately hot autumn month, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 26.7°C (80.1°F). October records an average high-temperature of a still warm 26.7°C (80.1°F), indicating a minor variation from the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Shiraho, Japan, with temperature in the range of an average high of 24.9°C (76.8°F) and an average low of 23.5°C (74.3°F). The start of November sees the average high-temperature at a still moderately hot 24.9°C (76.8°F), showing little difference from October's 26.7°C (80.1°F). Weather in November »Weather in December
The first month of the winter, December, is still a pleasant month in Shiraho, Japan, with an average temperature varying between 21.9°C (71.4°F) and 20.1°C (68.2°F). December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 24.9°C (76.8°F) in November to an agreeable 21.9°C (71.4°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
Shiraho's temperature records reveal January as the coldest month, marked by average highs of 20.6°C (69.1°F) and lows of 18.7°C (65.7°F).
The months with the lowest humidity in Shiraho, Japan, are January and December, with an average relative humidity of 76%.
Throughout the year, in Shiraho, there are 228 rainfall days, and 1184mm (46.61") of precipitation is accumulated.
The months with the lowest UV index are January through March and December, with an average maximum UV index of 5.
The month with the least rainfall in Shiraho, Japan, is March, when the rain falls for 16.8 days and typically collects 50mm (1.97") of precipitation.
May through September, with an average maximum UV index of 7, are months with the highest UV index in Shiraho, Japan.
With an average relative humidity of 85%, June is the most humid month.
With an average of 13h and 36min of daylight, June has the longest days of the year.
June has the most sunshine of the year in Shiraho, Japan, with an average of 9.8h of sunshine.
July and August in Shiraho, Japan, are characterised by peak temperatures, with an average high of 29.3°C (84.7°F).
The month with the most rainfall in Shiraho is August, when the rain falls for 22.1 days and typically aggregates up to 217mm (8.54") of precipitation.
The month with the shortest days is December, with an average of 10h and 42min of daylight.
Shiraho, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
December has the least sunshine of the year, with an average of 4.1h of sunshine.
Average temperature
Shiraho, Japan
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (20.6°C).
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (18.7°C).
Average pressure
Shiraho, Japan
- Average pressure in January:
1020.3mbar - Average pressure in February:
1018.9mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1010.4mbar - Average pressure in June:
1007.3mbar
- Average pressure in July:
1007.2mbar - Average pressure in August:
1005.6mbar - Average pressure in September:
1008.7mbar - Average pressure in October:
1013mbar - Average pressure in November:
1017mbar - Average pressure in December:
1019.3mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1005.6mbar).
Average wind speed
Shiraho, Japan
- Average wind speed in January:
30.8km/h - Average wind speed in February:
28.7km/h - Average wind speed in March:
27km/h - Average wind speed in April:
23.7km/h - Average wind speed in May:
20.4km/h - Average wind speed in June:
22.9km/h
- Average wind speed in July:
24.1km/h - Average wind speed in August:
23.3km/h - Average wind speed in September:
25.1km/h - Average wind speed in October:
30.1km/h - Average wind speed in November:
29.1km/h - Average wind speed in December:
32.9km/h
The windiest month (with the highest average wind speed) is December (32.9km/h).
The calmest month (with the lowest average wind speed) is May (20.4km/h).
Average humidity
Shiraho, Japan
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall
Shiraho, Japan
The wettest month (with the highest rainfall) is August (217mm).
The driest month (with the least rainfall) is March (50mm).
Average rainfall days
Shiraho, Japan
- Average rainfall days in January:
20.8 days - Average rainfall days in February:
17 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
22.1 days - Average rainfall days in September:
19.3 days - Average rainfall days in October:
20 days - Average rainfall days in November:
21.4 days - Average rainfall days in December:
21.2 days
The month with the highest number of rainy days is August (22.1 days).
The month with the least rainy days is April (16.7 days).
Average daylight / Average sunshine
Shiraho, Japan
- Average daylight in January:
10h and 48min - Average daylight in February:
11h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 18min - Average daylight in June:
13h and 36min
- Average daylight in July:
13h and 30min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 0min - Average daylight in December:
10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in January:
4h and 48min - Average sunshine in February:
5h and 12min - Average sunshine in March:
5h and 42min - Average sunshine in April:
6h and 12min - Average sunshine in May:
7h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
8h and 42min - Average sunshine in August:
8h and 18min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 54min - Average sunshine in November:
4h and 48min - Average sunshine in December:
4h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days
Shiraho, Japan
- Average sunshine days in January:
6.7 days - Average sunshine days in February:
8 days - Average sunshine days in March:
10.2 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
8.2 days - Average sunshine days in October:
7.6 days - Average sunshine days in November:
6.2 days - Average sunshine days in December:
6.3 days
The month with the most sunshine days is June (11.8 days).
The month with the least sunshine days is November (6.2 days).
Average UV index
Shiraho, Japan
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 5).
Average cloud cover
Shiraho, Japan
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility
Shiraho, Japan
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
