Climate and monthly weather forecastIwakura, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Iwakura, Japan, with an average temperature varying between 6.6°C (43.9°F) and -0.3°C (31.5°F). Iwakura notes the coldest temperatures in January, with a high average of 6.6°C (43.9°F) and a low of -0.3°C (31.5°F). Weather in January »Weather in February
February, the last month of the winter in Iwakura, is another chilly month, with temperature in the range of an average high of 7.8°C (46°F) and an average low of 0.3°C (32.5°F). The average high-temperature for February is a still chilly 7.8°C (46°F), closely aligning with the temperature of the preceding month. Weather in February »Weather in March
March, the first month of the spring in Iwakura, is a fresh month, with an average temperature varying between 11.7°C (53.1°F) and 3.2°C (37.8°F). Iwakura, Japan, observes a slight ascent in average high-temperatures during March, adjusting from a frosty 7.8°C (46°F) in February to a cool 11.7°C (53.1°F). Weather in March »Weather in April
April is a comfortable spring month in Iwakura, Japan, with temperature in the range of an average low of 7.6°C (45.7°F) and an average high of 16.7°C (62.1°F). April sees a temperature increase, moving from a fresh 11.7°C (53.1°F) in March to a comfortable 16.7°C (62.1°F). Weather in April »Weather in May
May, the last month of the spring in Iwakura, is an agreeable month, with an average temperature varying between 22.8°C (73°F) and 12.7°C (54.9°F). Observing a rise in May, the average high-temperature goes from April's enjoyable 16.7°C (62.1°F) to an agreeable 22.8°C (73°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Iwakura, Japan, with an average temperature ranging between max 25.8°C (78.4°F) and min 16.9°C (62.4°F). June marks a minor ascent in the average high-temperature, adjusting from May's agreeable 22.8°C (73°F) to a warm 25.8°C (78.4°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Iwakura, Japan, with an average temperature varying between 21.5°C (70.7°F) and 29.5°C (85.1°F). Iwakura, Japan, experiences a minor temperature shift with the start of July, with average high-temperatures moving from a moderately hot 25.8°C (78.4°F) in June to a still warm 29.5°C (85.1°F). Weather in July »Weather in August
August, the last month of the summer in Iwakura, is a tropical month, with an average temperature ranging between min 23.2°C (73.8°F) and max 32°C (89.6°F). August tends to be the warmest month, with temperatures averaging a daily high of 32°C (89.6°F) and a low of 23.2°C (73.8°F). During August, the heat index is evaluated at a scorching 42°C (107.6°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Iwakura, Japan, with an average temperature varying between 18.6°C (65.5°F) and 26.9°C (80.4°F). The onset of September brings a small change in high-temperatures, falling from a hot 32°C (89.6°F) in August to a warm 26.9°C (80.4°F). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Iwakura, Japan, with an average temperature varying between 13.5°C (56.3°F) and 21.3°C (70.3°F). The start of October comes with a reduction in the average high-temperature, receding from a moderately hot 26.9°C (80.4°F) in September to an agreeable 21.3°C (70.3°F). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Iwakura, Japan, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 15.1°C (59.2°F). November's onset brings a slight change in high-temperatures, falling from a pleasant 21.3°C (70.3°F) in October to a refreshing 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 Iwakura, Japan, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 2.6°C (36.7°F). December weather is marked by a drop in the average high-temperature, falling from a moderate 15.1°C (59.2°F) in November to a chilly 8.9°C (48°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 an average high of 6.6°C (43.9°F) and a low of -0.3°C (31.5°F), signifies the coldest month of the year in Iwakura, Japan.
The month with the least rainfall in Iwakura is January, when the rain falls for 6.8 days and typically collects 19mm (0.75") of precipitation.
In Iwakura, Japan, during the entire year, the rain falls for 147.8 days and collects up to 833mm (32.8") of precipitation.
January, February and December are months with snowfall in Iwakura.
The month with the most snowfall is January, when snow falls for 1.8 days and typically aggregates up to 10mm (0.39") of snow.
Throughout the year, there are 4.3 snowfall days, and 27mm (1.06") of snow is accumulated.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the least sunshine in Iwakura, Japan, is February, with an average of 5.7h of sunshine.
March through November are months without snowfall in Iwakura, Japan.
The least humid month is May, with an average relative humidity of 70%.
With an average of 14h and 30min of daylight, June has the longest days of the year in Iwakura, Japan.
The most humid month in Iwakura, Japan, is July, with an average relative humidity of 79%.
July is the month with the most rainfall. Rain falls for 20.8 days and accumulates 164mm (6.46") of precipitation.
The months with the highest UV index are July and August, with an average maximum UV index of 7.
August is the month that records the highest temperatures, with averages ranging from a high of 32°C (89.6°F) to a low of 23.2°C (73.8°F).
August has the most sunshine of the year, with an average of 10.5h of sunshine.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
Iwakura does not utilize Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Iwakura, Japan
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (6.6°C).
The month with the highest average low temperature is August (23.2°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure
Iwakura, Japan
- Average pressure in January:
1018.7mbar - Average pressure in February:
1019.2mbar - Average pressure in March:
1017mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1010.1mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1017mbar - Average pressure in November:
1019.3mbar - Average pressure in December:
1018.5mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed
Iwakura, Japan
- Average wind speed in January:
7.8km/h - Average wind speed in February:
8.3km/h - Average wind speed in March:
8.5km/h - Average wind speed in April:
8.4km/h - Average wind speed in May:
7.6km/h - Average wind speed in June:
6.5km/h
- Average wind speed in July:
6.3km/h - Average wind speed in August:
6.5km/h - Average wind speed in September:
6.7km/h - Average wind speed in October:
7.2km/h - Average wind speed in November:
6.9km/h - Average wind speed in December:
7.8km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity
Iwakura, Japan
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Iwakura, Japan
The wettest month (with the highest rainfall) is July (164mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days
Iwakura, Japan
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
17.6 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
7.3 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 (6.8 days).
Average snowfall
Iwakura, Japan
The month with the highest snowfall is January (10mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Iwakura, Japan
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.2 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 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Iwakura, 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 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 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 24min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 42min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
8h and 48min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days
Iwakura, Japan
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
18 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
17.7 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
7.4 days - Average sunshine days in August:
10.1 days - Average sunshine days in September:
13 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
22 days - Average sunshine days in December:
22 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (7.4 days).
Average UV index
Iwakura, Japan
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Iwakura, Japan
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility
Iwakura, Japan
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
