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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, is another pleasant winter month in Hateruma, Japan, with temperature in the range of an average low of 18.6°C (65.5°F) and an average high of 20.5°C (68.9°F). With average high temperatures of 20.5°C (68.9°F) and lows of 18.6°C (65.5°F), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Hateruma, is also an agreeable month, with temperature in the range of an average high of 21.1°C (70°F) and an average low of 19.3°C (66.7°F). The advent of February presents an average high-temperature of a still pleasant 21.1°C (70°F), maintaining a close correlation with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a pleasant month in Hateruma, Japan, with temperature in the range of an average low of 20.1°C (68.2°F) and an average high of 21.9°C (71.4°F). The arrival of March sees an average high-temperature of a still pleasant 21.9°C (71.4°F), hardly diverging from February's 21.1°C (70°F). Weather in March »
Weather in April
April in Hateruma, Japan, is a warm spring month, with an average temperature varying between 23.7°C (74.7°F) and 22.1°C (71.8°F). The transition into April reveals an average high-temperature of a moderately hot 23.7°C (74.7°F), mirroring a close resemblance to March. Weather in April »
Weather in May
May, the last month of the spring in Hateruma, is also a moderately hot month, with temperature in the range of an average high of 26.2°C (79.2°F) and an average low of 24.8°C (76.6°F). May records an average high-temperature of a still moderately hot 26.2°C (79.2°F), indicating a minor variation from the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Hateruma, Japan, with an average temperature fluctuating between 27.4°C (81.3°F) and 28.3°C (82.9°F). June's presence records an average high-temperature of a still warm 28.3°C (82.9°F), closely mirroring May's climate. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Hateruma, Japan, with an average temperature fluctuating between 29.3°C (84.7°F) and 28.4°C (83.1°F). Hateruma's warmest period falls in July and August, when the average high-temperatures ascend to 29.3°C (84.7°F). The heat index value for July is calculated to be a fiery hot 36°C (96.8°F). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Hateruma, Japan, with an average temperature varying between 29.3°C (84.7°F) and 28.3°C (82.9°F). In Hateruma, the months of July and August are known for the peak temperatures, reaching an average high of 29.3°C (84.7°F). The heat index for August is calculated to be a very hot 36°C (96.8°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hateruma, Japan, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 27.5°C (81.5°F). September's average high-temperature stands at a still warm 28.5°C (83.3°F), showing little deviation from August's 29.3°C (84.7°F). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Hateruma, Japan, with an average temperature fluctuating between 26.7°C (80.1°F) and 25.5°C (77.9°F). October's onset records an average high-temperature of a still moderately hot 26.7°C (80.1°F), a near match to September's 28.5°C (83.3°F). Weather in October »
Weather in November
The last month of the autumn, November, is another warm month in Hateruma, Japan, with temperature in the range of an average high of 24.9°C (76.8°F) and an average low of 23.5°C (74.3°F). November reports an average high-temperature of a still warm 24.9°C (76.8°F), slightly varied from October's 26.7°C (80.1°F). Weather in November »
Weather in December
December, the first month of the winter in Hateruma, is still a pleasant month, with temperature in the range of an average high of 21.8°C (71.2°F) and an average low of 20°C (68°F). The start of December involves a subtle temperature drop, shifting from a moderately hot 24.9°C (76.8°F) in November to an agreeable 21.8°C (71.2°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 Hateruma?
January, having an average high-temperature of 20.5°C (68.9°F) and an average low-temperature of 18.6°C (65.5°F), is the coldest month in Hateruma.
What are the least humid months in Hateruma?
The months with the lowest humidity in Hateruma are January and December, with an average relative humidity of 77%.
How many days does it rain in Hateruma?
In Hateruma, Japan, during the entire year, the rain falls for 245.4 days and collects up to 1322mm (52.05") of precipitation.
What is the driest month in Hateruma?
The month with the least rainfall is February, when the rain falls for 21 days and typically collects 70mm (2.76") of precipitation.
When is the highest UV index in Hateruma?
The months with the highest UV index are May through September, with an average maximum UV index of 7.
What is the most humid month in Hateruma?
With an average relative humidity of 85%, June is the most humid month.
When are the longest days in Hateruma?
June has the longest days of the year, with an average of 13h and 36min of daylight.
What month has the most sunshine in Hateruma?
With an average of 9.6h of sunshine, June has the most sunshine of the year.
What month is the hottest in Hateruma?
Hateruma sees its peak of temperatures during July and August, with an average high-temperature of 29.3°C (84.7°F).
What is the rainiest month in Hateruma?
The month with the most rainfall in Hateruma, Japan, is August, when the rain falls for 20.3 days and typically aggregates up to 207mm (8.15") of precipitation.
What is the month with the shortest days in Hateruma?
With an average of 10h and 42min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Hateruma?
Hateruma, Japan, does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.
What is the month with the least sunshine in Hateruma?
December has the least sunshine of the year, with an average of 4.2h of sunshine.
What is the month with the lowest UV index in Hateruma?
December is the month with the lowest UV index in Hateruma, Japan, with an average maximum UV index of 4.
Average temperature
Hateruma, Japan
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (20.5°C).
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure
Hateruma, Japan
- Average pressure in January:
1020.4mbar - Average pressure in February:
1019mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1010.4mbar - Average pressure in June:
1007.3mbar
- Average pressure in July:
1007.1mbar - Average pressure in August:
1005.6mbar - Average pressure in September:
1008.8mbar - Average pressure in October:
1013.2mbar - Average pressure in November:
1017.1mbar - Average pressure in December:
1019.4mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is August (1005.6mbar).
Average wind speed
Hateruma, Japan
- Average wind speed in January:
30.7km/h - Average wind speed in February:
28.9km/h - Average wind speed in March:
27km/h - Average wind speed in April:
23.6km/h - Average wind speed in May:
20.2km/h - Average wind speed in June:
22.9km/h
- Average wind speed in July:
24km/h - Average wind speed in August:
23km/h - Average wind speed in September:
24.8km/h - Average wind speed in October:
29.8km/h - Average wind speed in November:
28.9km/h - Average wind speed in December:
32.7km/h
The windiest month (with the highest average wind speed) is December (32.7km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity
Hateruma, Japan
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January and December (77%).
Average rainfall
Hateruma, Japan
- Average rainfall in January:
103mm - Average rainfall in February:
70mm - Average rainfall in March:
71mm - Average rainfall in April:
75mm - Average rainfall in May:
128mm - Average rainfall in June:
109mm
- Average rainfall in July:
77mm - Average rainfall in August:
207mm - Average rainfall in September:
143mm - Average rainfall in October:
106mm - Average rainfall in November:
117mm - Average rainfall in December:
116mm
The wettest month (with the highest rainfall) is August (207mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days
Hateruma, Japan
- Average rainfall days in January:
25.3 days - Average rainfall days in February:
21 days - Average rainfall days in March:
19.5 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
20.3 days - Average rainfall days in September:
18.7 days - Average rainfall days in October:
21.6 days - Average rainfall days in November:
23.6 days - Average rainfall days in December:
24.7 days
The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is July (16.8 days).
Average daylight / Average sunshine
Hateruma, Japan
- Average daylight in January:
10h and 5min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 2min - Average daylight in June:
13h and 4min
- Average daylight in July:
13h and 3min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 0min - Average daylight in December:
10h and 4min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
5h and 2min - Average sunshine in April:
6h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
8h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days
Hateruma, Japan
- Average sunshine days in January:
3.5 days - Average sunshine days in February:
5.2 days - Average sunshine days in March:
7.9 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
10 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
8.9 days - Average sunshine days in September:
9.1 days - Average sunshine days in October:
6 days - Average sunshine days in November:
3.9 days - Average sunshine days in December:
3.5 days
The month with the most sunshine days is July (12.3 days).
The months with the least sunshine days are January and December (3.5 days).
Average UV index
Hateruma, Japan
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
Hateruma, Japan
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility
Hateruma, Japan
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
