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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 sea temperature
- 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 Itoman, Japan, is another refreshing winter month, with an average temperature ranging between min 17°C (62.6°F) and max 18.9°C (66°F). In Itoman, Japan, the month of January is known for its lowest average temperatures, reaching a high of 18.9°C (66°F) and a low of 17°C (62.6°F). Weather in January »
Weather in February
The last month of the winter, February, is also an enjoyable month in Itoman, Japan, with an average temperature ranging between min 17.7°C (63.9°F) and max 19.5°C (67.1°F). February's onset sees an average high-temperature of a still enjoyable 19.5°C (67.1°F), exhibiting a slight fluctuation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Itoman, is an agreeable month, with an average temperature fluctuating between 18.3°C (64.9°F) and 20.6°C (69.1°F). Itoman's weather, upon March's arrival, documents an average high-temperature of an agreeable 20.6°C (69.1°F), nearly identical to the prior month. Weather in March »
Weather in April
April, the same as March, in Itoman, Japan, is another pleasant spring month, with an average temperature varying between 22.2°C (72°F) and 20.4°C (68.7°F). The onset of April brings with it an average high-temperature of a still agreeable 22.2°C (72°F), showing a negligible variation from the month before. Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Itoman, Japan, with temperature in the range of an average high of 24.7°C (76.5°F) and an average low of 23.2°C (73.8°F). Entering May, the average high-temperature is recorded at a moderately hot 24.7°C (76.5°F), exhibiting a minimal shift from April's 22.2°C (72°F). Weather in May »
Weather in June
June, the first month of the summer in Itoman, is also a moderately hot month, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 26.1°C (79°F). The average high-temperature during June registers at a still warm 27.2°C (81°F), maintaining a close resemblance to the previous month. Weather in June »
Weather in July
July, like June, in Itoman, Japan, is a moderately hot summer month, with temperature in the range of an average low of 28.1°C (82.6°F) and an average high of 29°C (84.2°F). As July takes hold, the average high-temperature is a still warm 29°C (84.2°F), nearly mirroring that of the previous month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Itoman, Japan, with an average temperature fluctuating between 28.3°C (82.9°F) and 29.4°C (84.9°F). In Itoman, the highest average temperatures are observed in August, with a high of 29.4°C (84.9°F) and a low of 28.3°C (82.9°F). Throughout August, the heat index is estimated at a torrid 36°C (96.8°F). Weather in August »
Weather in September
September, the first month of the autumn in Itoman, is still a warm month, with temperature in the range of an average low of 27.5°C (81.5°F) and an average high of 28.5°C (83.3°F). The advent of September presents an average high-temperature of a still moderately hot 28.5°C (83.3°F), maintaining a close correlation with the preceding month. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Itoman, Japan, with temperature in the range of an average low of 25.2°C (77.4°F) and an average high of 26.5°C (79.7°F). Itoman's weather in October, with an average high-temperature of a still warm 26.5°C (79.7°F), subtly shifts from September's 28.5°C (83.3°F). Weather in October »
Weather in November
November, the last month of the autumn in Itoman, is also a moderately hot month, with an average temperature varying between 22.3°C (72.1°F) and 23.9°C (75°F). November's arrival registers an average high-temperature of a still moderately hot 23.9°C (75°F), closely aligning with the temperature of the previous month. Weather in November »
Weather in December
December, the first month of the winter in Itoman, is still a pleasant month, with temperature in the range of an average high of 20.6°C (69.1°F) and an average low of 18.8°C (65.8°F). The start of December comes with a small reduction in the average high-temperature, subtly receding from a warm 23.9°C (75°F) in November to a pleasant 20.6°C (69.1°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 time of the year is the coldest in Itoman?
With average high and low temperatures of 18.9°C (66°F) and 17°C (62.6°F) respectively, January is Itoman's coldest month.
What is the least humid month in Itoman?
January is the least humid month in Itoman, with an average relative humidity of 72%.
How many days does it rain in Itoman?
In Itoman, Japan, during the entire year, the rain falls for 226.7 days and collects up to 1392mm (54.8") of precipitation.
What is the month with the least sunshine in Itoman?
January has the least sunshine of the year in Itoman, with an average of 4.3h of sunshine.
What is the driest month in Itoman?
The month with the least rainfall in Itoman, Japan, is February, when the rain falls for 18.2 days and typically collects 59mm (2.32") of precipitation.
What is the month with the coldest sea water in Itoman?
With an average sea temperature of 20.9°C (69.6°F), February is the month with the coldest seawater in Itoman, Japan.
What is the most humid month in Itoman?
June is the most humid month in Itoman, Japan, with an average relative humidity of 86%.
What is the rainiest month in Itoman?
The month with the most rainfall in Itoman, Japan, is June, when the rain falls for 21.5 days and typically aggregates up to 201mm (7.91") of precipitation.
When are the longest days in Itoman?
The month with the longest days in Itoman, Japan, is June, with an average of 13h and 42min of daylight.
What is the month with the highest UV index in Itoman?
The months with the highest UV index in Itoman are June through September, with an average maximum UV index of 7.
What month has the most sunshine in Itoman?
With an average of 10.5h of sunshine, July has the most sunshine of the year in Itoman, Japan.
What time of the year is the hottest in Itoman?
Itoman's August weather, with an average high temperature of 29.4°C (84.9°F) and an average low temperature of 28.3°C (82.9°F), tends to be the warmest of the year.
What is the month with the warmest sea water in Itoman?
August is the month with the warmest seawater, with an average sea temperature of 28.7°C (83.7°F).
What is the month with the shortest days in Itoman?
December has the shortest days of the year in Itoman, with an average of 10h and 30min of daylight.
Is there Daylight Saving Time (DST) in Itoman?
Itoman, Japan, does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.
What is the month with the lowest UV index in Itoman?
December is the month with the lowest UV index, with an average maximum UV index of 4.
Average temperature
Itoman, Japan
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure
Itoman, Japan
- Average pressure in January:
1020.8mbar - Average pressure in February:
1019.6mbar - Average pressure in March:
1017.9mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1011.1mbar - Average pressure in June:
1008.2mbar
- Average pressure in July:
1008.3mbar - Average pressure in August:
1006.6mbar - Average pressure in September:
1009.1mbar - Average pressure in October:
1012.8mbar - Average pressure in November:
1017.8mbar - Average pressure in December:
1019.8mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed
Itoman, Japan
- Average wind speed in January:
27.3km/h - Average wind speed in February:
25.8km/h - Average wind speed in March:
25.1km/h - Average wind speed in April:
23.1km/h - Average wind speed in May:
20.1km/h - Average wind speed in June:
21.7km/h
- Average wind speed in July:
22.1km/h - Average wind speed in August:
22.3km/h - Average wind speed in September:
23.3km/h - Average wind speed in October:
28km/h - Average wind speed in November:
26.3km/h - Average wind speed in December:
28.4km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).
Average humidity
Itoman, Japan
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall
Itoman, Japan
- Average rainfall in January:
62mm - Average rainfall in February:
59mm - Average rainfall in March:
77mm - Average rainfall in April:
92mm - Average rainfall in May:
174mm - Average rainfall in June:
201mm
The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days
Itoman, Japan
- Average rainfall days in January:
21.2 days - Average rainfall days in February:
18.2 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
21.5 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
20.8 days - Average rainfall days in September:
19.4 days - Average rainfall days in October:
19.5 days - Average rainfall days in November:
17.1 days - Average rainfall days in December:
21.2 days
The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).
Average sea temperature
Itoman, Japan
The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).
Average daylight / Average sunshine
Itoman, Japan
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 2min - Average daylight in June:
13h and 4min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 0min - 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 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Itoman, Japan
- Average sunshine days in January:
6 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
10.1 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
7 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
7.6 days - Average sunshine days in October:
7.1 days - Average sunshine days in November:
8.1 days - Average sunshine days in December:
5.7 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index
Itoman, Japan
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
Itoman, Japan
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Itoman, Japan
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
