Climate and monthly weather forecastSumoto, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Sumoto, Japan, with temperature in the range of an average high of 9.7°C (49.5°F) and an average low of 6.4°C (43.5°F). January, characterized by an average high temperature of 9.7°C (49.5°F) and a low temperature of 6.4°C (43.5°F), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Sumoto, is also a frosty month, with an average temperature fluctuating between 6.6°C (43.9°F) and 9.9°C (49.8°F). The beginning of February records an average high-temperature of a still chilly 9.9°C (49.8°F), almost echoing the conditions of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Sumoto, Japan, with temperature in the range of an average high of 12.7°C (54.9°F) and an average low of 8.7°C (47.7°F). With March's arrival, Sumoto's weather records an average high-temperature of a fresh 12.7°C (54.9°F), marking little difference from February's 9.9°C (49.8°F). Weather in March »Weather in April
April in Sumoto, Japan, is a refreshing spring month, with an average temperature fluctuating between 16.6°C (61.9°F) and 12.7°C (54.9°F). The arrival of April introduces a minor uplift in high-temperatures, adjusting from a fresh 12.7°C (54.9°F) in March to an enjoyable 16.6°C (61.9°F). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Sumoto, Japan, with temperature in the range of an average low of 16.8°C (62.2°F) and an average high of 20.8°C (69.4°F). The start of May signals a slight increase in the average high-temperature, moving from an enjoyable 16.6°C (61.9°F) in April to an agreeable 20.8°C (69.4°F). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Sumoto, Japan, with temperature in the range of an average high of 23.7°C (74.7°F) and an average low of 20.4°C (68.7°F). As June takes hold, the average high-temperature is a warm 23.7°C (74.7°F), nearly mirroring that of the previous month. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Sumoto, Japan, with an average temperature fluctuating between 24.3°C (75.7°F) and 27.1°C (80.8°F). As June gives way to July, the average high-temperature displays a slight ascent, adjusting from 23.7°C (74.7°F) to a still warm 27.1°C (80.8°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Sumoto, Japan, with an average temperature ranging between max 29.2°C (84.6°F) and min 26.1°C (79°F). The average temperatures reach their apex in August, averaging 29.2°C (84.6°F) at the high end and 26.1°C (79°F) at the low end. The heat index in August is evaluated at a sweltering 35°C (95°F). Weather in August »Weather in September
September, the first month of the autumn in Sumoto, is also a moderately hot month, with an average temperature varying between 26.2°C (79.2°F) and 23.1°C (73.6°F). A moderate decline in average high-temperatures is noted in September, moving from a warm 29.2°C (84.6°F) in August to a still moderately hot 26.2°C (79.2°F). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Sumoto, Japan, with an average temperature ranging between min 18.5°C (65.3°F) and max 21.9°C (71.4°F). The commencement of October indicates a gentle shift in the average high-temperature, receding from September's moderately hot 26.2°C (79.2°F) to an agreeable 21.9°C (71.4°F). Weather in October »Weather in November
November, the last month of the autumn in Sumoto, is another refreshing month, with temperature in the range of an average high of 16.8°C (62.2°F) and an average low of 13.8°C (56.8°F). In Sumoto, the average high-temperature in November decreases from a pleasant 21.9°C (71.4°F) in October to an enjoyable 16.8°C (62.2°F). Weather in November »Weather in December
December, the first month of the winter in Sumoto, is also a fresh month, with an average temperature fluctuating between 11.9°C (53.4°F) and 8.9°C (48°F). The arrival of December signals a subtle shift in temperature, down from a refreshing 16.8°C (62.2°F) in November to a fresh 11.9°C (53.4°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 proves to be the coldest month in Sumoto, Japan, recording an average maximum temperature of 9.7°C (49.5°F) and a minimum temperature of 6.4°C (43.5°F).
With an average relative humidity of 67%, January is the least humid month.
The month with the least rainfall in Sumoto, Japan, is January, when the rain falls for 16.5 days and typically collects 44mm (1.73") of precipitation.
Throughout the year, there are 195.3 rainfall days, and 1230mm (48.43") of precipitation is accumulated.
Months with snowfall in Sumoto are January and February.
Throughout the year, in Sumoto, Japan, there are 3.2 snowfall days, and 12mm (0.47") of snow is accumulated.
January and February, with an average of 5.3h of sunshine, are months with the least sunshine.
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Sumoto, Japan.
The month with the most snowfall in Sumoto, Japan, is February, when snow falls for 1.4 days and typically aggregates up to 9mm (0.35") of snow.
With an average sea temperature of 15.7°C (60.3°F), February is the month with the coldest seawater.
In Sumoto, Japan, snow does not fall in March through December.
The month with the longest days is June, with an average of 14h and 24min of daylight.
The most humid month in Sumoto is July, with an average relative humidity of 84%.
July is the month with the most rainfall in Sumoto, Japan. Rain falls for 20.7 days and accumulates 190mm (7.48") of precipitation.
July and August, with an average maximum UV index of 7, are months with the highest UV index in Sumoto.
The month of August sees the average highest temperatures in Sumoto, reaching 29.2°C (84.6°F) at the peak and 26.1°C (79°F) at the low.
The month with the warmest seawater in Sumoto is August, with an average sea temperature of 27.8°C (82°F).
The month with the most sunshine is August, with an average of 11.1h of sunshine.
With an average of 9h and 54min of daylight, December has the shortest days of the year in Sumoto, Japan.
Sumoto, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Sumoto, Japan
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (9.7°C).
The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).
Average pressure
Sumoto, Japan
- Average pressure in January:
1019.9mbar - Average pressure in February:
1019.9mbar - Average pressure in March:
1017.6mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.4mbar - Average pressure in September:
1012.6mbar - Average pressure in October:
1016.7mbar - Average pressure in November:
1019.7mbar - Average pressure in December:
1019.6mbar
The months with the highest atmospheric pressure are January and February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed
Sumoto, Japan
- Average wind speed in January:
23.6km/h - Average wind speed in February:
21.3km/h - Average wind speed in March:
19.7km/h - Average wind speed in April:
17.4km/h - Average wind speed in May:
14.2km/h - Average wind speed in June:
12.5km/h
- Average wind speed in July:
13.6km/h - Average wind speed in August:
13.2km/h - Average wind speed in September:
14.5km/h - Average wind speed in October:
17.5km/h - Average wind speed in November:
18.3km/h - Average wind speed in December:
23.3km/h
The windiest month (with the highest average wind speed) is January (23.6km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity
Sumoto, Japan
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).
Average rainfall
Sumoto, Japan
- Average rainfall in January:
44mm - Average rainfall in February:
46mm - Average rainfall in March:
71mm - Average rainfall in April:
98mm - Average rainfall in May:
102mm - Average rainfall in June:
141mm
The wettest month (with the highest rainfall) is July (190mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days
Sumoto, Japan
- Average rainfall days in January:
16.5 days - Average rainfall days in February:
13.2 days - Average rainfall days in March:
15.1 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
20.7 days - Average rainfall days in August:
19.6 days - Average rainfall days in September:
16.9 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
14 days - Average rainfall days in December:
19.2 days
The month with the highest number of rainy days is July (20.7 days).
The months with the least rainy days are February and May (13.2 days).
Average snowfall
Sumoto, Japan
The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Sumoto, Japan
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.4 days - Average snowfall days in March:
0.2 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:
0.3 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Sumoto, Japan
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is February (15.7°C).
Average daylight / Average sunshine
Sumoto, 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:
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:
5h and 18min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
11h and 6min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).
Average sunshine days
Sumoto, Japan
- Average sunshine days in January:
9.1 days - Average sunshine days in February:
11.2 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
16.1 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
8.2 days - Average sunshine days in August:
7.8 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
12.7 days - Average sunshine days in December:
7.8 days
The month with the most sunshine days is May (16.1 days).
The months with the least sunshine days are August and December (7.8 days).
Average UV index
Sumoto, Japan
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover
Sumoto, Japan
The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Sumoto, Japan
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
