Climate and monthly weather forecastKainan, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Kainan, Japan, with an average temperature varying between 4.8°C (40.6°F) and 8.7°C (47.7°F). With average high temperatures of 8.7°C (47.7°F) and lows of 4.8°C (40.6°F), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Kainan, Japan, with an average temperature varying between 9.5°C (49.1°F) and 4.9°C (40.8°F). Kainan's shift into February sets the average high-temperature at a still frosty 9.5°C (49.1°F), a figure that deviates only slightly from January's 8.7°C (47.7°F). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Kainan, Japan, with an average temperature varying between 7.3°C (45.1°F) and 12.5°C (54.5°F). The onset of March marks a slight increase in the average high-temperature, moving from a chilly 9.5°C (49.1°F) in February to a fresh 12.5°C (54.5°F). Weather in March »Weather in April
April in Kainan, Japan, is a refreshing spring month, with an average temperature ranging between min 11.2°C (52.2°F) and max 16.6°C (61.9°F). The start of April signals a slight increase in the average high-temperature, moving from a cool 12.5°C (54.5°F) in March to a comfortable 16.6°C (61.9°F). Weather in April »Weather in May
May, the last month of the spring in Kainan, is a pleasant month, with an average temperature ranging between min 15.8°C (60.4°F) and max 21°C (69.8°F). Kainan's weather in May presents a minor rise in the average high-temperature, moving from a refreshing 16.6°C (61.9°F) in April to an agreeable 21°C (69.8°F). Weather in May »Weather in June
June, the first month of the summer in Kainan, is a warm month, with an average temperature varying between 23.8°C (74.8°F) and 19.6°C (67.3°F). Transitioning into June, Kainan records an average high-temperature of a warm 23.8°C (74.8°F), almost identical to May's 21°C (69.8°F). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Kainan, Japan, with an average temperature fluctuating between 23.7°C (74.7°F) and 27.3°C (81.1°F). Kainan in July experiences a slight uptick in the average high-temperature, adjusting from June's 23.8°C (74.8°F) to a still warm 27.3°C (81.1°F). Weather in July »Weather in August
August, the last month of the summer in Kainan, is also a moderately hot month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 24.9°C (76.8°F). With average high temperatures of 29.3°C (84.7°F) and lows of 24.9°C (76.8°F), August is the warmest month. The heat index in August is appraised at a sweltering 35°C (95°F). Weather in August »Weather in September
September, the first month of the autumn in Kainan, is still a warm month, with temperature in the range of an average low of 21.6°C (70.9°F) and an average high of 26.2°C (79.2°F). September implies a soft temperature shift, with average high-temperatures reducing from August's warm 29.3°C (84.7°F) to a still moderately hot 26.2°C (79.2°F). Weather in September »Weather in October
October, the same as September, in Kainan, Japan, is an agreeable autumn month, with an average temperature varying between 21.5°C (70.7°F) and 17°C (62.6°F). In Kainan, the average high-temperature in October slightly decreases from a moderately hot 26.2°C (79.2°F) in September to an agreeable 21.5°C (70.7°F). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Kainan, Japan, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 12.1°C (53.8°F). Setting in of November comes with a decrease in the average high-temperature, moving from an agreeable 21.5°C (70.7°F) in October to a comfortable 16.2°C (61.2°F). Weather in November »Weather in December
December, the first month of the winter in Kainan, is still a cool month, with an average temperature ranging between max 11°C (51.8°F) and min 7.3°C (45.1°F). A shift in Kainan's weather is observed as November turns into December, with the average high temperature reducing from a comfortable 16.2°C (61.2°F) to a cool 11°C (51.8°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
In Kainan, January is the coldest month, with temperatures averaging a high of 8.7°C (47.7°F) and a low of 4.8°C (40.6°F).
The months with the lowest humidity are January through March, with an average relative humidity of 70%.
The months with the least rainfall in Kainan are January and February Rain falls for 15.3 days and accumulates 30mm (1.18") of rain.
Throughout the year, there are 173.9 rainfall days, and 658mm (25.91") of precipitation is accumulated.
Months with snowfall in Kainan are January through March and December.
The month with the most snowfall in Kainan is January, when snow falls for 3.8 days and typically aggregates up to 14mm (0.55") of snow.
Throughout the year, in Kainan, there are 9 snowfall days, and 36mm (1.42") of snow is accumulated.
January has the least sunshine of the year in Kainan, Japan, with an average of 5.2h of sunshine.
The months with the lowest UV index in Kainan, Japan, are January and December, with an average maximum UV index of 2.
With an average sea temperature of 15.6°C (60.1°F), February is the month with the coldest seawater in Kainan, Japan.
In Kainan, snow does not fall in April through November.
With an average of 14h and 24min of daylight, June has the longest days of the year in Kainan.
July is the most humid month in Kainan, Japan, with an average relative humidity of 84%.
July is the month with the most rainfall. Rain falls for 19.4 days and accumulates 111mm (4.37") of precipitation.
July and August, with an average maximum UV index of 7, are months with the highest UV index.
The temperatures in Kainan, Japan, reach their highest averages in August, with highs of 29.3°C (84.7°F) and lows of 24.9°C (76.8°F).
August is the month with the warmest seawater in Kainan, Japan, with an average sea temperature of 27.7°C (81.9°F).
With an average of 11.1h of sunshine, August has the most sunshine of the year.
With an average of 9h and 54min of daylight, December has the shortest days of the year in Kainan.
Kainan, Japan, does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Kainan, Japan
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.7°C).
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).
Average pressure
Kainan, Japan
- Average pressure in January:
1019.7mbar - Average pressure in February:
1019.7mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1015mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1009.3mbar - Average pressure in August:
1009.4mbar - Average pressure in September:
1012.5mbar - Average pressure in October:
1016.6mbar - Average pressure in November:
1019.5mbar - Average pressure in December:
1019.4mbar
The months with the highest atmospheric pressure are January and February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed
Kainan, Japan
- Average wind speed in January:
19.1km/h - Average wind speed in February:
18km/h - Average wind speed in March:
16.8km/h - Average wind speed in April:
14.9km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
11km/h
- Average wind speed in July:
11.7km/h - Average wind speed in August:
11.4km/h - Average wind speed in September:
12.3km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
15.1km/h - Average wind speed in December:
18.6km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).
Average humidity
Kainan, Japan
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (70%).
Average rainfall
Kainan, Japan
The wettest month (with the highest rainfall) is July (111mm).
The driest months (with the least rainfall) are January and February (30mm).
Average rainfall days
Kainan, Japan
- Average rainfall days in January:
15.3 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
16.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is May (10.8 days).
Average snowfall
Kainan, Japan
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Kainan, Japan
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
0.9 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:
1.5 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Kainan, Japan
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).
Average daylight / Average sunshine
Kainan, Japan
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - 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:
5h and 12min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 24min - Average sunshine in May:
9h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
11h and 6min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days
Kainan, Japan
- Average sunshine days in January:
8.3 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
18.1 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
9.3 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
12.7 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.5 days).
Average UV index
Kainan, Japan
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Kainan, Japan
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Kainan, 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).
