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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 snowfall
- Average snowfall 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, is a frosty winter month in Oarai, Japan, with an average temperature varying between 7.6°C (45.7°F) and 1.6°C (34.9°F). With its high average temperature of 7.6°C (45.7°F) and a low of 1.6°C (34.9°F), January is regarded as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Oarai, Japan, with an average temperature fluctuating between 8.3°C (46.9°F) and 2°C (35.6°F). February's beginning signals an average high-temperature of a still chilly 8.3°C (46.9°F), barely different from January's 7.6°C (45.7°F). Weather in February »
Weather in March
March, the first month of the spring in Oarai, is a cool month, with an average temperature ranging between min 4.8°C (40.6°F) and max 12.1°C (53.8°F). March introduces a marginal temperature uplift, with average high-temperatures adjusting from February's chilly 8.3°C (46.9°F) to a cool 12.1°C (53.8°F). Weather in March »
Weather in April
April is a comfortable spring month in Oarai, Japan, with an average temperature varying between 16.3°C (61.3°F) and 8.8°C (47.8°F). April's arrival signals a subtle increase in average high-temperatures, moving from March's fresh 12.1°C (53.8°F) to a refreshing 16.3°C (61.3°F). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Oarai, Japan, with an average temperature ranging between max 21.7°C (71.1°F) and min 14.1°C (57.4°F). Oarai in May experiences an increase in the average high-temperature, moving from April's refreshing 16.3°C (61.3°F) to an agreeable 21.7°C (71.1°F). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Oarai, Japan, with temperature in the range of an average low of 17.6°C (63.7°F) and an average high of 23.9°C (75°F). The average high-temperature during June registers at a warm 23.9°C (75°F), closely corresponding to the preceding month. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Oarai, Japan, with an average temperature varying between 28°C (82.4°F) and 21.8°C (71.2°F). As June gives way to July, the average high-temperature displays a slight ascent, adjusting from 23.9°C (75°F) to a still warm 28°C (82.4°F). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Oarai, Japan, with an average temperature fluctuating between 23.3°C (73.9°F) and 29.8°C (85.6°F). August stands out as Oarai's warmest month, with an average high-temperature of 29.8°C (85.6°F) and a low-temperature of 23.3°C (73.9°F). August's mean heat index is evaluated at a torrid 37°C (98.6°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Oarai, Japan, with an average temperature fluctuating between 25.7°C (78.3°F) and 19.8°C (67.6°F). The arrival of September signals a subtle shift in temperature, down from a warm 29.8°C (85.6°F) in August to a still moderately hot 25.7°C (78.3°F). Weather in September »
Weather in October
October, the same as September, in Oarai, Japan, is an agreeable autumn month, with an average temperature varying between 15.2°C (59.4°F) and 20.6°C (69.1°F). October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 25.7°C (78.3°F) in September to a pleasant 20.6°C (69.1°F). Weather in October »
Weather in November
November, the last month of the autumn in Oarai, is also a moderate month, with temperature in the range of an average high of 15.4°C (59.7°F) and an average low of 9.7°C (49.5°F). Stepping into November, Oarai observes a temperature decline, with the average high falling from October's agreeable 20.6°C (69.1°F) to a refreshing 15.4°C (59.7°F). Weather in November »
Weather in December
December, the first month of the winter in Oarai, is still a cool month, with an average temperature varying between 10°C (50°F) and 4.6°C (40.3°F). The onset of December brings a small change in high-temperatures, falling from a moderate 15.4°C (59.7°F) in November to a cool 10°C (50°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 is the coldest time of year in Oarai?
January, on average, is the coldest month in Oarai, Japan, registering a high temperature of 7.6°C (45.7°F) and a low of 1.6°C (34.9°F).
What is the least humid month in Oarai?
The least humid month in Oarai is January, with an average relative humidity of 62%.
What is the driest month in Oarai?
January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 34mm (1.34") of precipitation.
How many days does it rain in Oarai?
In Oarai, Japan, during the entire year, the rain falls for 163.2 days and collects up to 839mm (33.03") of precipitation.
When does it snow in Oarai?
January through March and December are months with snowfall.
How much does it snow in Oarai?
In Oarai, Japan, during the entire year, snow falls for 5.6 days and aggregates up to 52mm (2.05") of snow.
What are the months with the lowest UV index in Oarai?
January and February, with an average maximum UV index of 2, are months with the lowest UV index in Oarai, Japan.
When does it snow the most in Oarai?
February is the month with the most snowfall. Snow falls for 2.9 days and accumulates 32mm (1.26") of snow.
What month is the sea coldest in Oarai?
With an average sea temperature of 11.7°C (53.1°F), February is the month with the coldest seawater.
What is the month with the least sunshine in Oarai?
The month with the least sunshine in Oarai, Japan, is February, with an average of 5.6h of sunshine.
When it does not snow in Oarai?
April through November are months without snowfall in Oarai, Japan.
When are the longest days in Oarai?
With an average of 14h and 36min of daylight, June has the longest days of the year.
What is the most humid month in Oarai?
July is the most humid month in Oarai, Japan, with an average relative humidity of 82%.
What are the months with the highest UV index in Oarai?
July and August, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year in Oarai?
Oarai, Japan, experiences its average highest temperatures in August, reaching a peak of 29.8°C (85.6°F) and a minimum of 23.3°C (73.9°F).
When is the sea warmest in Oarai?
August is the month with the warmest seawater in Oarai, Japan, with an average sea temperature of 23.6°C (74.5°F).
What month has the most sunshine in Oarai?
With an average of 9.8h of sunshine, August has the most sunshine of the year in Oarai.
What is the rainiest month in Oarai?
The month with the most rainfall is October, when the rain falls for 14.7 days and typically aggregates up to 121mm (4.76") of precipitation.
What is the month with the shortest days in Oarai?
The month with the shortest days in Oarai is December, with an average of 9h and 42min of daylight.
Is there Daylight Saving Time (DST) in Oarai?
Oarai, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Oarai, Japan
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (7.6°C).
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure
Oarai, Japan
- Average pressure in January:
1016.1mbar - Average pressure in February:
1017.3mbar - Average pressure in March:
1015.7mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1013.7mbar - Average pressure in October:
1017mbar - Average pressure in November:
1018.3mbar - Average pressure in December:
1016.1mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Oarai, Japan
- Average wind speed in January:
13.9km/h - Average wind speed in February:
14.4km/h - Average wind speed in March:
14.3km/h - Average wind speed in April:
13.6km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
10.3km/h
- Average wind speed in July:
9.7km/h - Average wind speed in August:
10.2km/h - Average wind speed in September:
11.2km/h - Average wind speed in October:
12.7km/h - Average wind speed in November:
11.6km/h - Average wind speed in December:
13.2km/h
The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity
Oarai, Japan
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is January (62%).
Average rainfall
Oarai, Japan
The wettest month (with the highest rainfall) is October (121mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days
Oarai, Japan
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
15 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
Oarai, Japan
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Oarai, Japan
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.9 days - Average snowfall days in March:
0.7 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:
0.4 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Oarai, Japan
The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is February (11.7°C).
Average daylight / Average sunshine
Oarai, Japan
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
7h and 3min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
6h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days
Oarai, Japan
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
13 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index
Oarai, Japan
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover
Oarai, Japan
The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility
Oarai, Japan
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are May, June, July, August and September (9km).
