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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Iheya, Japan, is another comfortable winter month, with an average temperature varying between 16.7°C (62.1°F) and 18.6°C (65.5°F). The coldest month is January, with an average high-temperature of 18.6°C (65.5°F) and an average low-temperature of 16.7°C (62.1°F). Weather in January »
Weather in February
February, the last month of the winter in Iheya, is also an enjoyable month, with an average temperature varying between 19.2°C (66.6°F) and 17.2°C (63°F). In February, Iheya experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 18.6°C (65.5°F) in January to a still comfortable 19.2°C (66.6°F). Weather in February »
Weather in March
March, the first month of the spring in Iheya, is an agreeable month, with an average temperature fluctuating between 20.3°C (68.5°F) and 18°C (64.4°F). A minor adjustment in Iheya's average high-temperature is noted with the start of March, touching an agreeable 20.3°C (68.5°F) from February's 19.2°C (66.6°F). Weather in March »
Weather in April
April, like March, is another pleasant spring month in Iheya, Japan, with temperature in the range of an average low of 20°C (68°F) and an average high of 22.1°C (71.8°F). April commences with an average high-temperature of a still agreeable 22.1°C (71.8°F), showing little deviation from March's 20.3°C (68.5°F). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Iheya, Japan, with an average temperature fluctuating between 24.6°C (76.3°F) and 22.8°C (73°F). The average high-temperature for May is a moderately hot 24.6°C (76.3°F), closely aligning with the temperature of the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Iheya, Japan, with an average temperature ranging between min 25.6°C (78.1°F) and max 27.2°C (81°F). Iheya greets June with an average high-temperature of a still warm 27.2°C (81°F), marking a slight deviation from the preceding month. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Iheya, Japan, with an average temperature fluctuating between 27.6°C (81.7°F) and 29.1°C (84.4°F). Iheya experiences a minor change to a still warm 29.1°C (84.4°F) in average high-temperature during July, closely reflecting June. Weather in July »
Weather in August
August, the last month of the summer in Iheya, is also a moderately hot month, with temperature in the range of an average low of 28°C (82.4°F) and an average high of 29.5°C (85.1°F). August, known for its average high temperature of 29.5°C (85.1°F) and an average low temperature of 28°C (82.4°F), is the warmest month. The heat index for August is appraised at a sweltering 36°C (96.8°F). Weather in August »
Weather in September
September, the first month of the autumn in Iheya, is still a warm month, with an average temperature fluctuating between 28.5°C (83.3°F) and 27.1°C (80.8°F). The transition into September reveals an average high-temperature of a still moderately hot 28.5°C (83.3°F), mirroring a close resemblance to August. Weather in September »
Weather in October
October, like September, in Iheya, Japan, is a moderately hot autumn month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 26.3°C (79.3°F). Iheya's October showcases an average high-temperature of a still moderately hot 26.3°C (79.3°F), hardly distinct from September's 28.5°C (83.3°F). Weather in October »
Weather in November
November, the last month of the autumn in Iheya, is another warm month, with temperature in the range of an average high of 23.5°C (74.3°F) and an average low of 21.9°C (71.4°F). November welcomes an average high-temperature of a still moderately hot 23.5°C (74.3°F), not much different from the preceding month. Weather in November »
Weather in December
December, the first month of the winter in Iheya, is still a pleasant month, with an average temperature varying between 20.3°C (68.5°F) and 18.4°C (65.1°F). As December arrives, Iheya's weather displays a minor decrease in high-temperatures, transitioning from November's moderately hot 23.5°C (74.3°F) to a pleasant 20.3°C (68.5°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
What month is the coldest in Iheya?
January is the coldest month in Iheya, Japan, with the temperature often reaching an average high of 18.6°C (65.5°F) and an average low of 16.7°C (62.1°F).
What are the least humid months in Iheya?
The months with the lowest humidity in Iheya, Japan, are January and December, with an average relative humidity of 72%.
What is the driest month in Iheya?
The month with the least rainfall is January, when the rain falls for 21.8 days and typically collects 64mm (2.52") of precipitation.
How much does it rain in Iheya?
Throughout the year, in Iheya, there are 240.8 rainfall days, and 1563mm (61.54") of precipitation is accumulated.
What is the month with the least sunshine in Iheya?
The month with the least sunshine in Iheya, Japan, is January, with an average of 4.1h of sunshine.
What is the month with the lowest UV index in Iheya?
The months with the lowest UV index in Iheya are January and December, with an average maximum UV index of 4.
What is the most humid month in Iheya?
The most humid month in Iheya, Japan, is June, with an average relative humidity of 86%.
What is the wettest month in Iheya?
The month with the most rainfall in Iheya, Japan, is June, when the rain falls for 23.3 days and typically aggregates up to 241mm (9.49") of precipitation.
When are the longest days in Iheya?
The month with the longest days in Iheya, Japan, is June, with an average of 13h and 48min of daylight.
What is the month with the highest UV index in Iheya?
The months with the highest UV index in Iheya, Japan, are June through September, with an average maximum UV index of 7.
What month has the most sunshine in Iheya?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What time of the year is the hottest in Iheya?
The month of August sees the average highest temperatures in Iheya, Japan, reaching 29.5°C (85.1°F) at the peak and 28°C (82.4°F) at the low.
What is the month with the shortest days in Iheya?
December has the shortest days of the year in Iheya, with an average of 10h and 30min of daylight.
Is there Daylight Saving Time (DST) in Iheya?
Iheya does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Iheya, Japan
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.6°C).
The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).
Average pressure
Iheya, Japan
- Average pressure in January:
1021.1mbar - Average pressure in February:
1019.8mbar - Average pressure in March:
1018.1mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1011.2mbar - Average pressure in June:
1008.1mbar
- Average pressure in July:
1008.3mbar - Average pressure in August:
1006.6mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1013.1mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1020.2mbar
The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed
Iheya, Japan
- Average wind speed in January:
27.3km/h - Average wind speed in February:
26km/h - Average wind speed in March:
25.5km/h - Average wind speed in April:
23.3km/h - Average wind speed in May:
20.2km/h - Average wind speed in June:
22.1km/h
- Average wind speed in July:
22.6km/h - Average wind speed in August:
22.6km/h - Average wind speed in September:
22.9km/h - Average wind speed in October:
27.9km/h - Average wind speed in November:
26.1km/h - Average wind speed in December:
28.3km/h
The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity
Iheya, Japan
The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (72%).
Average rainfall
Iheya, Japan
- Average rainfall in January:
64mm - Average rainfall in February:
69mm - Average rainfall in March:
95mm - Average rainfall in April:
109mm - Average rainfall in May:
194mm - Average rainfall in June:
241mm
The wettest month (with the highest rainfall) is June (241mm).
The driest month (with the least rainfall) is January (64mm).
Average rainfall days
Iheya, Japan
- Average rainfall days in January:
21.8 days - Average rainfall days in February:
18.6 days - Average rainfall days in March:
18.5 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
23.3 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
21.9 days - Average rainfall days in September:
22.9 days - Average rainfall days in October:
19.9 days - Average rainfall days in November:
17.6 days - Average rainfall days in December:
20.9 days
The month with the highest number of rainy days is June (23.3 days).
The month with the least rainy days is November (17.6 days).
Average daylight / Average sunshine
Iheya, Japan
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Iheya, Japan
- Average sunshine days in January:
6.4 days - Average sunshine days in February:
7.5 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
9.6 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
4.4 days
- Average sunshine days in July:
8.4 days - Average sunshine days in August:
5 days - Average sunshine days in September:
3.8 days - Average sunshine days in October:
6.5 days - Average sunshine days in November:
7.6 days - Average sunshine days in December:
6.7 days
The months with the most sunshine days are April and May (9.6 days).
The month with the least sunshine days is September (3.8 days).
Average UV index
Iheya, Japan
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover
Iheya, Japan
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility
Iheya, Japan
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
