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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, the same as December, is another comfortable winter month in Onaga, Japan, with temperature in the range of an average low of 17°C (62.6°F) and an average high of 18.9°C (66°F). The coldest time of the year is January, with temperatures averaging a high of 18.9°C (66°F) and a low of 17°C (62.6°F). Weather in January »
Weather in February
February, the last month of the winter in Onaga, is another refreshing month, with an average temperature ranging between max 19.5°C (67.1°F) and min 17.7°C (63.9°F). The unfolding of February shows an average high-temperature of a still refreshing 19.5°C (67.1°F), indicating a slight variance from January's 18.9°C (66°F). Weather in February »
Weather in March
March, the first month of the spring in Onaga, is an agreeable month, with temperature in the range of an average high of 20.6°C (69.1°F) and an average low of 18.3°C (64.9°F). The beginning of March reveals an average high-temperature of an agreeable 20.6°C (69.1°F), showing minimal deviation from the previous month. Weather in March »
Weather in April
April, the same as March, in Onaga, Japan, is another pleasant spring month, with an average temperature varying between 20.4°C (68.7°F) and 22.2°C (72°F). April's onset brings an average high-temperature of a still pleasant 22.2°C (72°F), showing a minute difference from March's 20.6°C (69.1°F). Weather in April »
Weather in May
May, the last month of the spring in Onaga, is a moderately hot month, with an average temperature varying between 24.7°C (76.5°F) and 23.2°C (73.8°F). During May, the average high-temperature is a warm 24.7°C (76.5°F), maintaining a close resemblance to that of the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Onaga, Japan, with an average temperature fluctuating between 26.1°C (79°F) and 27.2°C (81°F). Onaga records an average high-temperature of a still moderately hot 27.2°C (81°F) as June arrives, nearly mirroring the previous month's climate. Weather in June »
Weather in July
July, like June, in Onaga, Japan, is a moderately hot summer month, with an average temperature ranging between min 28.1°C (82.6°F) and max 29°C (84.2°F). The arrival of July marks a slight shift to an average high-temperature of a still moderately hot 29°C (84.2°F) from June's 27.2°C (81°F). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Onaga, Japan, with an average temperature ranging between min 28.3°C (82.9°F) and max 29.4°C (84.9°F). The month of August sees the highest average temperatures, reaching 29.4°C (84.9°F) at the peak and 28.3°C (82.9°F) at the low. During August, the heat index is evaluated at 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 Onaga, Japan, with an average temperature fluctuating between 28.5°C (83.3°F) and 27.3°C (81.1°F). Onaga experiences an average high-temperature of a still warm 28.5°C (83.3°F) with the onset of September, subtly varied from August's 29.4°C (84.9°F). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Onaga, 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). Onaga registers an average high-temperature of a still warm 26.5°C (79.7°F) at the commencement of October, closely related to the preceding month. Weather in October »
Weather in November
The last month of the autumn, November, is also a moderately hot month in Onaga, Japan, with an average temperature varying between 22.3°C (72.1°F) and 23.9°C (75°F). The advent of November observes an average high-temperature of a still moderately hot 23.9°C (75°F), nearly identical to October's 26.5°C (79.7°F). Weather in November »
Weather in December
December, the first month of the winter in Onaga, is also an agreeable month, with temperature in the range of an average low of 18.8°C (65.8°F) and an average high of 20.6°C (69.1°F). The beginning of December brings a slight decrease in the average high-temperature, transitioning from a moderately hot 23.9°C (75°F) in November to an agreeable 20.6°C (69.1°F). Weather in December »
Updated: Jul 3, 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?
Onaga's coldest month, January, generally records average temperatures ranging from a high of 18.9°C (66°F) to a low of 17°C (62.6°F).
What is the least humid month?
January is the least humid month, with an average relative humidity of 72%.
How much does it rain?
In Onaga, during the entire year, the rain falls for 227.4 days and collects up to 1405mm (55.31") of precipitation.
What is the month with the least sunshine?
With an average of 4.3h of sunshine, January has the least sunshine of the year.
What is the driest month?
February is the month with the least rainfall. Rain falls for 18.2 days and accumulates 59mm (2.32") of precipitation.
What is the most humid month?
With an average relative humidity of 86%, June is the most humid month.
What is the wettest month?
The month with the most rainfall in Onaga, 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?
With an average of 13h and 48min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June through September, with an average maximum UV index of 7.
What month has the most sunshine?
July has the most sunshine of the year in Onaga, with an average of 10.5h of sunshine.
What part of the year is the hottest?
August, known for its average high temperature of 29.4°C (84.9°F) and an average low temperature of 28.3°C (82.9°F), is the warmest month.
What is the month with the shortest days?
With an average of 10h and 30min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST)?
Onaga does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 4.
Average temperature
Onaga, 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
Onaga, 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:
1009mbar - 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
Onaga, 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:
22.9km/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
Onaga, Japan
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall
Onaga, 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
Onaga, 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:
20.1 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 daylight / Average sunshine
Onaga, 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 5min
- 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 48min).
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 2min - 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
Onaga, 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:
7.3 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
Onaga, 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
Onaga, 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
Onaga, 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).
