Climate and monthly weather forecastOka, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Oka, Japan, is a frosty winter month, with an average temperature varying between 1.6°C (34.9°F) and 7.3°C (45.1°F). With an average high-temperature of 7.3°C (45.1°F) and an average low-temperature of 1.6°C (34.9°F), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Oka, Japan, with an average temperature varying between 8.5°C (47.3°F) and 1.9°C (35.4°F). Oka records an average high-temperature of a still chilly 8.5°C (47.3°F) in February, maintaining a close correlation with January's 7.3°C (45.1°F). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Oka, Japan, with an average temperature ranging between max 12.3°C (54.1°F) and min 4.3°C (39.7°F). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's chilly 8.5°C (47.3°F) to a cool 12.3°C (54.1°F). Weather in March »Weather in April
April is a refreshing spring month in Oka, Japan, with an average temperature fluctuating between 8.7°C (47.7°F) and 17.3°C (63.1°F). The rise of average high-temperatures is seen in April, with an increase from a cool 12.3°C (54.1°F) in March to an enjoyable 17.3°C (63.1°F). Weather in April »Weather in May
May, the last month of the spring in Oka, is a pleasant month, with an average temperature fluctuating between 22.7°C (72.9°F) and 13.9°C (57°F). May's onset brings a temperature rise, moving from a comfortable 17.3°C (63.1°F) in April to a pleasant 22.7°C (72.9°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Oka, Japan, with temperature in the range of an average high of 25.8°C (78.4°F) and an average low of 18.1°C (64.6°F). Oka observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's pleasant 22.7°C (72.9°F) to a moderately hot 25.8°C (78.4°F). Weather in June »Weather in July
July, like June, in Oka, Japan, is another warm summer month, with an average temperature varying between 29.5°C (85.1°F) and 22.7°C (72.9°F). As July begins, there's a slight increase in the average high-temperature, moving from 25.8°C (78.4°F) in June to a still moderately hot 29.5°C (85.1°F). Weather in July »Weather in August
The last month of the summer, August, is a hot month in Oka, Japan, with an average temperature fluctuating between 31.5°C (88.7°F) and 23.9°C (75°F). The warmest period tends to be August, when average temperatures fluctuate between a high of 31.5°C (88.7°F) and a low of 23.9°C (75°F). In August, the heat index is calculated to be a blistering 40°C (104°F). Weather in August »Weather in September
September, the first month of the autumn in Oka, is also a moderately hot month, with temperature in the range of an average low of 19.6°C (67.3°F) and an average high of 27.1°C (80.8°F). A subtle shift in Oka's weather is observed as August turns into September, with the average high temperature reducing from a tropical 31.5°C (88.7°F) to a warm 27.1°C (80.8°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Oka, Japan, with an average temperature fluctuating between 14.5°C (58.1°F) and 21.6°C (70.9°F). In October, the average high-temperature goes from a warm 27.1°C (80.8°F) in September to an agreeable 21.6°C (70.9°F). Weather in October »Weather in November
November, the last month of the autumn in Oka, is another refreshing month, with an average temperature varying between 9.2°C (48.6°F) and 15.5°C (59.9°F). The start of November signals a decrease in the average high-temperature, transitioning from a pleasant 21.6°C (70.9°F) in October to a mild 15.5°C (59.9°F). Weather in November »Weather in December
December, the first month of the winter in Oka, is still a chilly month, with an average temperature ranging between min 4°C (39.2°F) and max 9.7°C (49.5°F). In December, the average high-temperature decreases from a refreshing 15.5°C (59.9°F) in November to a chilly 9.7°C (49.5°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
January stands out as Oka's coldest month, with temperatures ranging between an average high of 7.3°C (45.1°F) and a low of 1.6°C (34.9°F).
Throughout the year, in Oka, there are 177.4 rainfall days, and 831mm (32.72") of precipitation is accumulated.
Months with snowfall are January through March and December.
January is the month with the most snowfall in Oka. Snow falls for 7.3 days and accumulates 50mm (1.97") of snow.
In Oka, during the entire year, snow falls for 17.4 days and aggregates up to 109mm (4.29") of snow.
January and February, with an average of 4.9h of sunshine, are months with the least sunshine in Oka, Japan.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
April and May, with an average relative humidity of 70%, are the least humid months in Oka.
April through November are months without snowfall in Oka, Japan.
The month with the longest days in Oka is June, with an average of 14h and 24min of daylight.
The most humid month is July, with an average relative humidity of 78%.
The month with the most rainfall is July, when the rain falls for 21.3 days and typically aggregates up to 146mm (5.75") of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 7.
With average high and low temperatures of 31.5°C (88.7°F) and 23.9°C (75°F) respectively, August is Oka's warmest month.
August has the most sunshine of the year, with an average of 10.9h of sunshine.
The month with the least rainfall is November, when the rain falls for 12.4 days and typically collects 37mm (1.46") of precipitation.
With an average of 9h and 54min of daylight, December has the shortest days of the year in Oka.
Oka does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Oka, Japan
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (7.3°C).
The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure
Oka, Japan
- Average pressure in January:
1019.5mbar - Average pressure in February:
1019.6mbar - Average pressure in March:
1017.4mbar - Average pressure in April:
1015mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1009.4mbar - Average pressure in August:
1009.6mbar - Average pressure in September:
1012.7mbar - Average pressure in October:
1016.7mbar - Average pressure in November:
1019.5mbar - Average pressure in December:
1019.3mbar
The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed
Oka, Japan
- Average wind speed in January:
10.1km/h - Average wind speed in February:
9.1km/h - Average wind speed in March:
9.3km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
7.6km/h - Average wind speed in June:
7.1km/h
- Average wind speed in July:
7.4km/h - Average wind speed in August:
7.3km/h - Average wind speed in September:
7.2km/h - Average wind speed in October:
8.1km/h - Average wind speed in November:
7.6km/h - Average wind speed in December:
9.7km/h
The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is June (7.1km/h).
Average humidity
Oka, Japan
The month with the highest relative humidity is July (78%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall
Oka, Japan
The wettest month (with the highest rainfall) is July (146mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days
Oka, Japan
- Average rainfall days in January:
15.3 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
17.6 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
14.8 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (11.8 days).
Average snowfall
Oka, Japan
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Oka, Japan
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
5 days - Average snowfall days in March:
1.3 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:
3.8 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Oka, Japan
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 54min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 30min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days
Oka, Japan
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
11.4 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
18 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
6.9 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
12.7 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
14.9 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (6.9 days).
Average UV index
Oka, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Oka, Japan
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Oka, Japan
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
