Climate and monthly weather forecastIboishi, Japan
Climate and monthly weather forecast
Weather in January
January, like December, in Iboishi, Japan, is another cold winter month, with an average temperature ranging between min -0.8°C (30.6°F) and max 3.8°C (38.8°F). Iboishi's coldest weather arrives in January, when temperatures average a high of 3.8°C (38.8°F) and a low of -0.8°C (30.6°F). Weather in January »Weather in February
February, the last month of the winter in Iboishi, is another cold month, with an average temperature fluctuating between 4.6°C (40.3°F) and -1°C (30.2°F). The shift into February uncovers an average high-temperature of a still wintry 4.6°C (40.3°F), subtly different from the previous month. Weather in February »Weather in March
March, the first month of the spring in Iboishi, is a chilly month, with an average temperature fluctuating between 2.1°C (35.8°F) and 8.8°C (47.8°F). Iboishi, Japan, perceives a slight temperature ascent during March, with average high-temperatures adjusting from a wintry 4.6°C (40.3°F) in February to a frosty 8.8°C (47.8°F). Weather in March »Weather in April
April in Iboishi, Japan, is a mild spring month, with temperature in the range of an average high of 13.8°C (56.8°F) and an average low of 6.7°C (44.1°F). The shift into April brings an increase in the average high-temperature, moving from a frosty 8.8°C (47.8°F) in March to a moderate 13.8°C (56.8°F). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Iboishi, Japan, with an average temperature fluctuating between 12.1°C (53.8°F) and 19.8°C (67.6°F). The arrival of May brings an increase in high-temperatures, moving from a mild 13.8°C (56.8°F) in April to a still refreshing 19.8°C (67.6°F). Weather in May »Weather in June
June, the first month of the summer in Iboishi, is an agreeable month, with an average temperature ranging between min 15.9°C (60.6°F) and max 22.7°C (72.9°F). June records an average high-temperature of an agreeable 22.7°C (72.9°F), indicating a minor variation from the preceding month. Weather in June »Weather in July
July is a warm summer month in Iboishi, Japan, with an average temperature ranging between max 26.3°C (79.3°F) and min 20.2°C (68.4°F). The commencement of July sees a minor shift in the average high-temperature, moving from a pleasant 22.7°C (72.9°F) in June to a warm 26.3°C (79.3°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Iboishi, Japan, with temperature in the range of an average low of 21.7°C (71.1°F) and an average high of 27.7°C (81.9°F). August is the warmest month, exhibiting average temperatures of 27.7°C (81.9°F) at the peak and 21.7°C (71.1°F) at the base. The average heat index in August is calculated to be a tropical 32°C (89.6°F). Weather in August »Weather in September
September, the first month of the autumn in Iboishi, is also a moderately hot month, with an average temperature varying between 24°C (75.2°F) and 18.3°C (64.9°F). In Iboishi, the average high-temperature in September slightly decreases from a warm 27.7°C (81.9°F) in August to a still moderately hot 24°C (75.2°F). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Iboishi, Japan, with an average temperature ranging between min 12.8°C (55°F) and max 18.8°C (65.8°F). October brings a decrease in the average high-temperature, shifting from a moderately hot 24°C (75.2°F) in September to a refreshing 18.8°C (65.8°F). Weather in October »Weather in November
November, the last month of the autumn in Iboishi, is also a moderate month, with an average temperature varying between 7.2°C (45°F) and 13°C (55.4°F). The start of November signals a decrease in the average high-temperature, transitioning from a refreshing 18.8°C (65.8°F) in October to a moderate 13°C (55.4°F). Weather in November »Weather in December
December, the first month of the winter in Iboishi, is also a frosty month, with an average temperature fluctuating between 6.9°C (44.4°F) and 2.2°C (36°F). December's arrival coincides with a drop in the average high-temperature, decreasing from November's moderate 13°C (55.4°F) to a chilly 6.9°C (44.4°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
January is the coldest month in Iboishi, with an average high-temperature of 3.8°C (38.8°F) and an average low-temperature of -0.8°C (30.6°F).
In Iboishi, during the entire year, the rain falls for 133.1 days and collects up to 706mm (27.8") of precipitation.
January through April and December are months with snowfall.
January is the month with the most snowfall in Iboishi. Snow falls for 7.8 days and accumulates 62mm (2.44") of snow.
In Iboishi, during the entire year, snow falls for 24.2 days and aggregates up to 190mm (7.48") of snow.
The months with the least sunshine are January and February, with an average of 5.2h of sunshine.
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.
The month with the least rainfall in Iboishi, Japan, is February, when the rain falls for 7.3 days and typically collects 23mm (0.91") of precipitation.
The least humid month in Iboishi is April, with an average relative humidity of 70%.
May through November are months without snowfall in Iboishi.
May has the most sunshine of the year, with an average of 9.5h of sunshine.
The month with the longest days in Iboishi, Japan, is June, with an average of 14h and 48min of daylight.
July is the most humid month, with an average relative humidity of 83%.
July and August, with an average maximum UV index of 6, are months with the highest UV index in Iboishi, Japan.
The temperatures in Iboishi reach their highest averages in August, with highs of 27.7°C (81.9°F) and lows of 21.7°C (71.1°F).
October is the month with the most rainfall in Iboishi. Rain falls for 10 days and accumulates 105mm (4.13") of precipitation.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Iboishi does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Iboishi, Japan
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure
Iboishi, Japan
- Average pressure in January:
1016.1mbar - Average pressure in February:
1017.6mbar - Average pressure in March:
1016mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.4mbar - Average pressure in August:
1010.1mbar - Average pressure in September:
1014mbar - Average pressure in October:
1017.5mbar - Average pressure in November:
1018.6mbar - Average pressure in December:
1016.1mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Iboishi, Japan
- Average wind speed in January:
15.4km/h - Average wind speed in February:
14.9km/h - Average wind speed in March:
14.5km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
12km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
9km/h - Average wind speed in August:
9.6km/h - Average wind speed in September:
10.6km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
15km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity
Iboishi, Japan
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Iboishi, Japan
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days
Iboishi, Japan
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
8.8 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Iboishi, Japan
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days
Iboishi, Japan
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 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 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Iboishi, Japan
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - 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 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 30min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
8h and 30min - Average sunshine in August:
9h and 0min - Average sunshine in September:
7h and 36min - Average sunshine in October:
7h and 24min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 36min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days
Iboishi, Japan
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
21.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index
Iboishi, 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, March and December (UV index 2).
Average cloud cover
Iboishi, Japan
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility
Iboishi, Japan
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).
