Climate and monthly weather forecastIsoshi, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Isoshi, Japan, is a frosty winter month, with temperature in the range of an average low of 1.8°C (35.2°F) and an average high of 7°C (44.6°F). The coldest period is January, when temperatures fluctuate between an average high of 7°C (44.6°F) and a low of 1.8°C (35.2°F). Weather in January »Weather in February
February, the last month of the winter in Isoshi, is another chilly month, with an average temperature varying between 8.1°C (46.6°F) and 2°C (35.6°F). February's onset records an average high-temperature of a still chilly 8.1°C (46.6°F), a near match to January's 7°C (44.6°F). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Isoshi, Japan, with an average temperature ranging between max 11.8°C (53.2°F) and min 4.3°C (39.7°F). With the onset of March, Isoshi experiences a subtle temperature shift, with the average high-temperature moving from a frosty 8.1°C (46.6°F) in February to a fresh 11.8°C (53.2°F). Weather in March »Weather in April
April is a refreshing spring month in Isoshi, Japan, with an average temperature varying between 16.8°C (62.2°F) and 8.8°C (47.8°F). The beginning of April marks a shift in the average high-temperature, moving from March's fresh 11.8°C (53.2°F) to an enjoyable 16.8°C (62.2°F). Weather in April »Weather in May
May, the last month of the spring in Isoshi, is a pleasant month, with an average temperature fluctuating between 22°C (71.6°F) and 13.6°C (56.5°F). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's comfortable 16.8°C (62.2°F) to a pleasant 22°C (71.6°F). Weather in May »Weather in June
June, the first month of the summer in Isoshi, is a moderately hot month, with temperature in the range of an average low of 18°C (64.4°F) and an average high of 25.1°C (77.2°F). Isoshi's weather shows a minor temperature rise with the arrival of June, moving from a pleasant 22°C (71.6°F) in May to a moderately hot 25.1°C (77.2°F). Weather in June »Weather in July
July, like June, in Isoshi, Japan, is a moderately hot summer month, with an average temperature varying between 22.3°C (72.1°F) and 29°C (84.2°F). In July, the meteorological conditions subtly change with the average high-temperature edging from a moderately hot 25.1°C (77.2°F) in June to a still warm 29°C (84.2°F). Weather in July »Weather in August
August, the last month of the summer in Isoshi, is a tropical month, with temperature in the range of an average low of 23.9°C (75°F) and an average high of 30.8°C (87.4°F). August is the warmest month, with an average high-temperature of 30.8°C (87.4°F) and an average low-temperature of 23.9°C (75°F). For August, the heat index is appraised at a sweltering 39°C (102.2°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Isoshi, Japan, with an average temperature varying between 19.7°C (67.5°F) and 26.5°C (79.7°F). With the commencement of September, Isoshi records a moderate temperature decline, with the average high easing from August's hot 30.8°C (87.4°F) to a warm 26.5°C (79.7°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Isoshi, Japan, with an average temperature varying between 14.5°C (58.1°F) and 21.2°C (70.2°F). Isoshi's progression into October includes a drop in the average high-temperature, from a warm 26.5°C (79.7°F) in September to a pleasant 21.2°C (70.2°F). Weather in October »Weather in November
November, the last month of the autumn in Isoshi, is another mild month, with an average temperature varying between 15.1°C (59.2°F) and 9.4°C (48.9°F). November's arrival correlates with a reduction in the average high-temperature, down from a pleasant 21.2°C (70.2°F) in October to a moderate 15.1°C (59.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Isoshi, Japan, with temperature in the range of an average high of 9.4°C (48.9°F) and an average low of 4.2°C (39.6°F). A change in temperatures is noted as November gives way to December, with average highs reducing from a moderate 15.1°C (59.2°F) to a frosty 9.4°C (48.9°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
The coldest month in Isoshi, Japan, is January, with an average high-temperature of 7°C (44.6°F) and an average low-temperature of 1.8°C (35.2°F).
January is the month with the least rainfall. Rain falls for 17 days and accumulates 49mm (1.93") of precipitation.
In Isoshi, Japan, during the entire year, the rain falls for 207 days and collects up to 1194mm (47.01") of precipitation.
January through March and December are months with snowfall in Isoshi.
January is the month with the most snowfall. Snow falls for 10.6 days and accumulates 96mm (3.78") of snow.
Throughout the year, there are 26.9 snowfall days, and 204mm (8.03") of snow is accumulated.
The months with the lowest UV index in Isoshi are January and December, with an average maximum UV index of 2.
The month with the least sunshine in Isoshi is February, with an average of 4.8h of sunshine.
The months with the lowest humidity in Isoshi, Japan, are April and May, with an average relative humidity of 72%.
In Isoshi, snow does not fall in April through November.
With an average of 14h and 30min of daylight, June has the longest days of the year in Isoshi.
The most humid month in Isoshi is July, with an average relative humidity of 81%.
The month with the most rainfall in Isoshi is July, when the rain falls for 23.2 days and typically aggregates up to 196mm (7.72") of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 7.
Isoshi's warmest month, August, registers temperatures that range from a high of 30.8°C (87.4°F) to a low of 23.9°C (75°F).
August has the most sunshine of the year, with an average of 10.9h of sunshine.
The month with the shortest days in Isoshi, Japan, is December, with an average of 9h and 54min of daylight.
Isoshi, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Isoshi, Japan
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (7°C).
The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure
Isoshi, Japan
- Average pressure in January:
1019.7mbar - Average pressure in February:
1019.9mbar - Average pressure in March:
1017.6mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.5mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1019.6mbar - Average pressure in December:
1019.4mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed
Isoshi, Japan
- Average wind speed in January:
11.5km/h - Average wind speed in February:
10.7km/h - Average wind speed in March:
11.1km/h - Average wind speed in April:
10.4km/h - Average wind speed in May:
8.9km/h - Average wind speed in June:
8.3km/h
- Average wind speed in July:
8.9km/h - Average wind speed in August:
8.8km/h - Average wind speed in September:
8.8km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
9.3km/h - Average wind speed in December:
11.1km/h
The windiest month (with the highest average wind speed) is January (11.5km/h).
The calmest month (with the lowest average wind speed) is June (8.3km/h).
Average humidity
Isoshi, Japan
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall
Isoshi, Japan
- Average rainfall in January:
49mm - Average rainfall in February:
54mm - Average rainfall in March:
80mm - Average rainfall in April:
98mm - Average rainfall in May:
102mm - Average rainfall in June:
142mm
The wettest month (with the highest rainfall) is July (196mm).
The driest month (with the least rainfall) is January (49mm).
Average rainfall days
Isoshi, Japan
- Average rainfall days in January:
17 days - Average rainfall days in February:
15.7 days - Average rainfall days in March:
17.4 days - Average rainfall days in April:
16 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
19.3 days
- Average rainfall days in July:
23.2 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
16.9 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
14.1 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (14.1 days).
Average snowfall
Isoshi, Japan
The month with the highest snowfall is January (96mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Isoshi, Japan
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
8 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.2 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:
5.5 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Isoshi, Japan
- Average daylight in January:
10h and 6min - 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 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 48min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Isoshi, Japan
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
10.2 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
5.6 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
10.8 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
11.9 days - Average sunshine days in December:
6.6 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is July (5.6 days).
Average UV index
Isoshi, 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
Isoshi, Japan
The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Isoshi, Japan
The months with the highest visibility are November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and October (9km).
