Climate and monthly weather forecastSeto, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Seto, Japan, with an average temperature fluctuating between -0.7°C (30.7°F) and 6.6°C (43.9°F). Seto's January weather reaches an average high of 6.6°C (43.9°F) and an average low of -0.7°C (30.7°F), making it the coldest month. Weather in January »Weather in February
February, the last month of the winter in Seto, is also a frosty month, with an average temperature varying between 7.8°C (46°F) and 0.1°C (32.2°F). The arrival of February marks a slight shift to an average high-temperature of a still frosty 7.8°C (46°F) from January's 6.6°C (43.9°F). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Seto, Japan, with an average temperature fluctuating between 3°C (37.4°F) and 11.9°C (53.4°F). The shift into March brings a slight increase in the average high-temperature, moving from a frosty 7.8°C (46°F) in February to a cool 11.9°C (53.4°F). Weather in March »Weather in April
April is a comfortable spring month in Seto, Japan, with temperature in the range of an average low of 7.3°C (45.1°F) and an average high of 16.8°C (62.2°F). April witnesses a subtle temperature ascent, adjusting from a fresh 11.9°C (53.4°F) in March to an enjoyable 16.8°C (62.2°F). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Seto, Japan, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 22.6°C (72.7°F). The onset of May marks an increase in the average high-temperature, moving from an enjoyable 16.8°C (62.2°F) in April to a pleasant 22.6°C (72.7°F). Weather in May »Weather in June
June, the first month of the summer in Seto, is a warm month, with an average temperature fluctuating between 16.7°C (62.1°F) and 25.5°C (77.9°F). The arrival of June brings an average high-temperature of a warm 25.5°C (77.9°F), subtly diverging from May's 22.6°C (72.7°F). Weather in June »Weather in July
July, like June, in Seto, Japan, is a moderately hot summer month, with an average temperature varying between 29.3°C (84.7°F) and 21.3°C (70.3°F). Seto's transition into July brings a slight rise in the average high-temperature, moving from 25.5°C (77.9°F) in June to a still moderately hot 29.3°C (84.7°F). Weather in July »Weather in August
August, the last month of the summer in Seto, is a tropical month, with temperature in the range of an average high of 31.6°C (88.9°F) and an average low of 22.8°C (73°F). Seto's temperatures peak on average in August, reaching 31.6°C (88.9°F) at their highest and 22.8°C (73°F) at their lowest. The heat index value during August is computed to be a scorching 41°C (105.8°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Seto, Japan, with an average temperature fluctuating between 18.5°C (65.3°F) and 26.9°C (80.4°F). A modest decline in the average high-temperature is seen during September, decreasing from a tropical 31.6°C (88.9°F) in August to a moderately hot 26.9°C (80.4°F). Weather in September »Weather in October
October, the same as September, in Seto, Japan, is an agreeable autumn month, with an average temperature ranging between max 21.4°C (70.5°F) and min 13.3°C (55.9°F). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from a moderately hot 26.9°C (80.4°F) to an agreeable 21.4°C (70.5°F). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Seto, Japan, with an average temperature fluctuating between 15.2°C (59.4°F) and 7.5°C (45.5°F). Seto in November demonstrates a small temperature transition, adjusting from an average high of a pleasant 21.4°C (70.5°F) in October to a moderate 15.2°C (59.4°F). Weather in November »Weather in December
December, the first month of the winter in Seto, is still a chilly month, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 2.3°C (36.1°F). December comes with a drop in the average high-temperature, falling from November's mild 15.2°C (59.4°F) to a chilly 8.9°C (48°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, known for its average high temperature of 6.6°C (43.9°F) and an average low temperature of -0.7°C (30.7°F), is the coldest month in Seto, Japan.
January is the month with the least rainfall in Seto, Japan. Rain falls for 12.7 days and accumulates 41mm (1.61") of precipitation.
In Seto, during the entire year, the rain falls for 170.2 days and collects up to 1156mm (45.51") of precipitation.
Months with snowfall are January through April and December.
January is the month with the most snowfall in Seto, Japan. Snow falls for 6.2 days and accumulates 47mm (1.85") of snow.
In Seto, Japan, during the entire year, snow falls for 15.4 days and aggregates up to 107mm (4.21") of snow.
The months with the lowest UV index in Seto are January and December, with an average maximum UV index of 2.
February has the least sunshine of the year in Seto, with an average of 5.9h of sunshine.
The least humid month is May, with an average relative humidity of 70%.
In Seto, snow does not fall in May through November.
The month with the longest days is June, with an average of 14h and 30min of daylight.
July is the most humid month, with an average relative humidity of 80%.
The month with the most rainfall in Seto, Japan, is July, when the rain falls for 18.2 days and typically aggregates up to 179mm (7.05") of precipitation.
The month with the highest UV index is July, with an average maximum UV index of 7.
The warmest month is August, with an average high-temperature of 31.6°C (88.9°F) and an average low-temperature of 22.8°C (73°F).
The month with the most sunshine in Seto, Japan, is August, with an average of 10.8h of sunshine.
The month with the shortest days is December, with an average of 9h and 48min of daylight.
Seto, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Seto, Japan
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (6.6°C).
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure
Seto, Japan
- Average pressure in January:
1018.5mbar - Average pressure in February:
1018.9mbar - Average pressure in March:
1016.8mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.1mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1019.1mbar - Average pressure in December:
1018.3mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed
Seto, Japan
- Average wind speed in January:
8.9km/h - Average wind speed in February:
9.2km/h - Average wind speed in March:
9.4km/h - Average wind speed in April:
9.1km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
6.9km/h
- Average wind speed in July:
6.9km/h - Average wind speed in August:
6.8km/h - Average wind speed in September:
7.1km/h - Average wind speed in October:
7.7km/h - Average wind speed in November:
7.6km/h - Average wind speed in December:
8.7km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity
Seto, Japan
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Seto, Japan
- Average rainfall in January:
41mm - Average rainfall in February:
55mm - Average rainfall in March:
92mm - Average rainfall in April:
118mm - Average rainfall in May:
116mm - Average rainfall in June:
127mm
The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (41mm).
Average rainfall days
Seto, Japan
- Average rainfall days in January:
12.7 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
14.3 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (10.7 days).
Average snowfall
Seto, Japan
The month with the highest snowfall is January (47mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days
Seto, Japan
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.1 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:
3.9 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Seto, 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 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 24min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 18min - Average sunshine in December:
6h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days
Seto, Japan
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
13 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
12.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.7 days).
Average UV index
Seto, 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
Seto, Japan
The month with the most cloud cover is July (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility
Seto, Japan
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
