Climate and monthly weather forecastSunagawa, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sunagawa, Japan, is a freezing cold winter month, with an average temperature varying between -4.1°C (24.6°F) and -10.6°C (12.9°F). Sunagawa experiences its lowest temperatures in January, with an average peak of -4.1°C (24.6°F) and a low of -10.6°C (12.9°F). Weather in January »Weather in February
February, the last month of the winter in Sunagawa, is another freezing cold month, with temperature in the range of an average high of -3.3°C (26.1°F) and an average low of -11.1°C (12°F). As February takes its course, Sunagawa's average high-temperature registers at a still freezing cold -3.3°C (26.1°F), closely aligning with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Sunagawa, is an icy month, with temperature in the range of an average high of 0.8°C (33.4°F) and an average low of -7.2°C (19°F). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a freezing cold -3.3°C (26.1°F) to an icy 0.8°C (33.4°F). Weather in March »Weather in April
April is a chilly spring month in Sunagawa, Japan, with an average temperature varying between 0°C (32°F) and 8.3°C (46.9°F). The shift from March to April sees an increase in the average high-temperature, transitioning from a wintry 0.8°C (33.4°F) to a chilly 8.3°C (46.9°F). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Sunagawa, Japan, with an average temperature fluctuating between 6.1°C (43°F) and 16.4°C (61.5°F). With the onset of May, Sunagawa experiences a noticeable temperature shift, with the average high-temperature advancing from a frosty 8.3°C (46.9°F) in April to a refreshing 16.4°C (61.5°F). Weather in May »Weather in June
June, the first month of the summer in Sunagawa, is an agreeable month, with an average temperature ranging between max 20.5°C (68.9°F) and min 9.9°C (49.8°F). June signals a minor shift in the average high-temperature, moving from May's refreshing 16.4°C (61.5°F) to a pleasant 20.5°C (68.9°F). Weather in June »Weather in July
July in Sunagawa, Japan, is a moderately hot summer month, with an average temperature ranging between min 14.3°C (57.7°F) and max 24.3°C (75.7°F). The start of July brings a subtle shift in the average high-temperature, edging up from June's pleasant 20.5°C (68.9°F) to a warm 24.3°C (75.7°F). Weather in July »Weather in August
August, the last month of the summer in Sunagawa, is also a moderately hot month, with an average temperature fluctuating between 24.4°C (75.9°F) and 15.1°C (59.2°F). August is Sunagawa's warmest month, registering average high temperatures of 24.4°C (75.9°F) and lows of 15.1°C (59.2°F). Weather in August »Weather in September
September, the first month of the autumn in Sunagawa, is also an agreeable month, with an average temperature varying between 11.1°C (52°F) and 20.4°C (68.7°F). September signifies a gentle decline in Sunagawa's average high-temperature, easing from a moderately hot 24.4°C (75.9°F) in August to an agreeable 20.4°C (68.7°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Sunagawa, Japan, with an average temperature fluctuating between 4.7°C (40.5°F) and 13°C (55.4°F). October's onset brings a slight change in high-temperatures, falling from a pleasant 20.4°C (68.7°F) in September to a refreshing 13°C (55.4°F). Weather in October »Weather in November
November, the last month of the autumn in Sunagawa, is another cold month, with an average temperature fluctuating between 4.6°C (40.3°F) and -1°C (30.2°F). A clear decrease in the average high-temperature is observed during November, decreasing from a mild 13°C (55.4°F) in October to a wintry 4.6°C (40.3°F). Weather in November »Weather in December
December, the first month of the winter in Sunagawa, is still a freezing cold month, with an average temperature varying between -7°C (19.4°F) and -1.7°C (28.9°F). Sunagawa's December weather comes with a decrease in average high-temperatures, moving from an icy 4.6°C (40.3°F) in November to a freezing cold -1.7°C (28.9°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 is the coldest month in Sunagawa, Japan, with an average high-temperature of -4.1°C (24.6°F) and an average low-temperature of -10.6°C (12.9°F).
January is the most humid month in Sunagawa, with an average relative humidity of 93%.
Throughout the year, in Sunagawa, there are 120.7 rainfall days, and 404mm (15.91") of precipitation is accumulated.
Months with snowfall in Sunagawa, Japan, are January through April, October through December.
Throughout the year, there are 96.3 snowfall days, and 847mm (33.35") of snow is accumulated.
With an average of 1.6h of sunshine, January has the least sunshine of the year.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sunagawa, Japan.
February is the month with the least rainfall in Sunagawa, Japan. Rain falls for 2.3 days and accumulates 18mm (0.71") of precipitation.
The least humid month in Sunagawa, Japan, is May, with an average relative humidity of 77%.
In Sunagawa, snow does not fall in May through September.
May has the most sunshine of the year, with an average of 8.4h of sunshine.
June has the longest days of the year in Sunagawa, Japan, with an average of 15h and 24min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index in Sunagawa, Japan.
Temperature records in Sunagawa mark August as the warmest month, with highs averaging 24.4°C (75.9°F) and lows at 15.1°C (59.2°F).
August is the month with the most rainfall. Rain falls for 17 days and accumulates 69mm (2.72") of precipitation.
The month with the most snowfall in Sunagawa, Japan, is December, when snow falls for 22 days and typically aggregates up to 227mm (8.94") of snow.
The month with the shortest days in Sunagawa is December, with an average of 9h and 0min of daylight.
Sunagawa, Japan, does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Sunagawa, Japan
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (-4.1°C).
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure
Sunagawa, Japan
- Average pressure in January:
1012.7mbar - Average pressure in February:
1014.5mbar - Average pressure in March:
1013mbar - Average pressure in April:
1012mbar - Average pressure in May:
1010.2mbar - Average pressure in June:
1008.9mbar
- Average pressure in July:
1008.6mbar - Average pressure in August:
1009.7mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1015.6mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1012.4mbar
The month with the highest atmospheric pressure is November (1015.7mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed
Sunagawa, Japan
- Average wind speed in January:
9.8km/h - Average wind speed in February:
10.2km/h - Average wind speed in March:
10.3km/h - Average wind speed in April:
10.8km/h - Average wind speed in May:
10.1km/h - Average wind speed in June:
8.1km/h
- Average wind speed in July:
7.6km/h - Average wind speed in August:
7.4km/h - Average wind speed in September:
8.2km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
10.1km/h - Average wind speed in December:
10.8km/h
The windiest months (with the highest average wind speed) are April and December (10.8km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity
Sunagawa, Japan
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Sunagawa, Japan
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days
Sunagawa, Japan
- Average rainfall days in January:
2 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
11.2 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
17 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is January (2 days).
Average snowfall
Sunagawa, Japan
The month with the highest snowfall is December (227mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Sunagawa, Japan
- Average snowfall days in January:
22.4 days - Average snowfall days in February:
17.8 days - Average snowfall days in March:
16 days - Average snowfall days in April:
5.4 days - Average snowfall days in May:
0.1 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:
1.1 days - Average snowfall days in November:
11.5 days - Average snowfall days in December:
22 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sunagawa, Japan
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
1h and 36min - Average sunshine in February:
1h and 54min - Average sunshine in March:
3h and 30min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
7h and 36min
- Average sunshine in July:
7h and 54min - Average sunshine in August:
8h and 6min - Average sunshine in September:
7h and 12min - Average sunshine in October:
5h and 48min - Average sunshine in November:
2h and 54min - Average sunshine in December:
1h and 42min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days
Sunagawa, Japan
- Average sunshine days in January:
9.9 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
13 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
10.3 days - Average sunshine days in December:
7.8 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (7.8 days).
Average UV index
Sunagawa, Japan
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Sunagawa, Japan
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is September (Cloud cover 46).
Average visibility
Sunagawa, Japan
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).
