Climate and monthly weather forecastItoigawa, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Itoigawa, Japan, with temperature in the range of an average high of 2.8°C (37°F) and an average low of -1.6°C (29.1°F). January, having an average high-temperature of 2.8°C (37°F) and an average low-temperature of -1.6°C (29.1°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Itoigawa, Japan, with an average temperature ranging between min -1.9°C (28.6°F) and max 3.4°C (38.1°F). The shift into February uncovers an average high-temperature of a still cold 3.4°C (38.1°F), subtly different from the previous month. Weather in February »Weather in March
March, the first month of the spring in Itoigawa, is a chilly month, with an average temperature ranging between max 7°C (44.6°F) and min 0.9°C (33.6°F). The start of March brings a subtle rise in the average high-temperature, moving from a wintry 3.4°C (38.1°F) in February to a chilly 7°C (44.6°F). Weather in March »Weather in April
April is a cool spring month in Itoigawa, Japan, with temperature in the range of an average high of 12.3°C (54.1°F) and an average low of 5.3°C (41.5°F). The arrival of April brings a change in Itoigawa's weather, with average high-temperatures moving from March's chilly 7°C (44.6°F) to a cool 12.3°C (54.1°F). Weather in April »Weather in May
May, the last month of the spring in Itoigawa, is an enjoyable month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 18.8°C (65.8°F). With the transition into May, Itoigawa experiences an increase in average high-temperatures, moving up from a cool 12.3°C (54.1°F) in April to an enjoyable 18.8°C (65.8°F). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Itoigawa, Japan, with an average temperature varying between 22.3°C (72.1°F) and 14.6°C (58.3°F). As Itoigawa welcomes June, the average high-temperature sees a modest rise, transitioning from an enjoyable 18.8°C (65.8°F) in May to a pleasant 22.3°C (72.1°F). Weather in June »Weather in July
July is a moderately hot summer month in Itoigawa, Japan, with an average temperature ranging between min 19.5°C (67.1°F) and max 26.2°C (79.2°F). The shift from June to July is marked by a slight increase in the average high-temperature, moving from a pleasant 22.3°C (72.1°F) to a warm 26.2°C (79.2°F). Weather in July »Weather in August
August, the last month of the summer in Itoigawa, is also a moderately hot month, with an average temperature ranging between min 20.9°C (69.6°F) and max 27.8°C (82°F). In Itoigawa, temperatures reach their average annual highs in August, measuring 27.8°C (82°F) and a minimum average of 20.9°C (69.6°F). Throughout August, the heat index is computed to be a hot 32°C (89.6°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Itoigawa, Japan, with an average temperature ranging between min 16.6°C (61.9°F) and max 23.3°C (73.9°F). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 27.8°C (82°F) in August to a still moderately hot 23.3°C (73.9°F). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Itoigawa, Japan, with an average temperature varying between 18°C (64.4°F) and 11.3°C (52.3°F). A moderate decline in the average high-temperature is seen during October, decreasing from a moderately hot 23.3°C (73.9°F) in September to a refreshing 18°C (64.4°F). Weather in October »Weather in November
November, the last month of the autumn in Itoigawa, is also a fresh month, with temperature in the range of an average high of 11.8°C (53.2°F) and an average low of 6.4°C (43.5°F). In Itoigawa, the average high-temperature in November decreases from a refreshing 18°C (64.4°F) in October to a cool 11.8°C (53.2°F). Weather in November »Weather in December
December, the first month of the winter in Itoigawa, is still a cold month, with an average temperature varying between 1.1°C (34°F) and 5.8°C (42.4°F). Stepping into December, Itoigawa observes a temperature decline, with the average high falling from November's cool 11.8°C (53.2°F) to an icy 5.8°C (42.4°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
The coldest temperatures in Itoigawa, Japan, occur during January, when averages reach a peak of 2.8°C (37°F) and a low of -1.6°C (29.1°F).
The most humid month in Itoigawa, Japan, is January, with an average relative humidity of 84%.
In Itoigawa, during the entire year, the rain falls for 200.6 days and collects up to 1190mm (46.85") of precipitation.
Months with snowfall are January through April, November and December.
January is the month with the most snowfall in Itoigawa, Japan. Snow falls for 17.4 days and accumulates 466mm (18.35") of snow.
In Itoigawa, during the entire year, snow falls for 50.4 days and aggregates up to 1229mm (48.39") of snow.
The month with the least sunshine in Itoigawa, Japan, is January, with an average of 2.7h of sunshine.
The months with the lowest UV index in Itoigawa, Japan, are January and December, with an average maximum UV index of 1.
May is the least humid month, with an average relative humidity of 74%.
May is the month with the least rainfall. Rain falls for 13.8 days and accumulates 57mm (2.24") of precipitation.
In Itoigawa, Japan, snow does not fall in May through October.
With an average of 14h and 42min of daylight, June has the longest days of the year in Itoigawa, Japan.
June through August, with an average maximum UV index of 6, are months with the highest UV index in Itoigawa, Japan.
July is the month with the most rainfall. Rain falls for 21.6 days and accumulates 142mm (5.59") of precipitation.
The average temperatures in Itoigawa reach their apex in August, averaging 27.8°C (82°F) at the high end and 20.9°C (69.6°F) at the low end.
The month with the most sunshine in Itoigawa is August, with an average of 10.3h of sunshine.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Itoigawa, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Itoigawa, Japan
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (2.8°C).
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average pressure
Itoigawa, Japan
- Average pressure in January:
1017.9mbar - Average pressure in February:
1019mbar - Average pressure in March:
1017mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.5mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1013.9mbar - Average pressure in October:
1017.6mbar - Average pressure in November:
1019.2mbar - Average pressure in December:
1017.6mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed
Itoigawa, Japan
- Average wind speed in January:
15.4km/h - Average wind speed in February:
14.1km/h - Average wind speed in March:
12.8km/h - Average wind speed in April:
11.3km/h - Average wind speed in May:
9.5km/h - Average wind speed in June:
8.4km/h
- Average wind speed in July:
7.7km/h - Average wind speed in August:
7.7km/h - Average wind speed in September:
9km/h - Average wind speed in October:
10.5km/h - Average wind speed in November:
12.1km/h - Average wind speed in December:
15.4km/h
The windiest months (with the highest average wind speed) are January and December (15.4km/h).
The calmest months (with the lowest average wind speed) are July and August (7.7km/h).
Average humidity
Itoigawa, Japan
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is May (74%).
Average rainfall
Itoigawa, Japan
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is May (57mm).
Average rainfall days
Itoigawa, Japan
- Average rainfall days in January:
14.3 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
21.6 days - Average rainfall days in August:
19.4 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
19.4 days - Average rainfall days in December:
20 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is February (10.3 days).
Average snowfall
Itoigawa, Japan
The month with the highest snowfall is January (466mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Itoigawa, Japan
- Average snowfall days in January:
17.4 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
7.5 days - Average snowfall days in April:
0.8 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:
0.3 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Itoigawa, Japan
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
2h and 42min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 42min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days
Itoigawa, Japan
- Average sunshine days in January:
4.3 days - Average sunshine days in February:
6.9 days - Average sunshine days in March:
8.7 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
7.4 days - Average sunshine days in August:
8.3 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
11.6 days - Average sunshine days in November:
9.4 days - Average sunshine days in December:
5 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is January (4.3 days).
Average UV index
Itoigawa, Japan
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Itoigawa, Japan
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility
Itoigawa, Japan
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is January (8km).
