Climate and monthly weather forecastSayo, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Sayo, Japan, with temperature in the range of an average low of 2.3°C (36.1°F) and an average high of 6.9°C (44.4°F). With average temperatures fluctuating between a high of 6.9°C (44.4°F) and a low of 2.3°C (36.1°F), January stands out as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Sayo, is also a frosty month, with an average temperature varying between 8°C (46.4°F) and 2.6°C (36.7°F). The ushering in of February brings an average high-temperature of a still frosty 8°C (46.4°F), closely mirroring the 6.9°C (44.4°F) of January. Weather in February »Weather in March
March, the first month of the spring in Sayo, is a fresh month, with temperature in the range of an average high of 11.3°C (52.3°F) and an average low of 4.8°C (40.6°F). March's onset witnesses a minor shift in the average high-temperature, moving from a chilly 8°C (46.4°F) in February to a cool 11.3°C (52.3°F). Weather in March »Weather in April
April in Sayo, Japan, is a refreshing spring month, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 9.2°C (48.6°F). Sayo's transition into April brings a slight rise in the average high-temperature, moving from a cool 11.3°C (52.3°F) in March to a comfortable 16.2°C (61.2°F). Weather in April »Weather in May
May, the last month of the spring in Sayo, is a pleasant month, with an average temperature varying between 20.9°C (69.6°F) and 13.8°C (56.8°F). May showcases a minor temperature ascent, adjusting from April's comfortable 16.2°C (61.2°F) to a pleasant 20.9°C (69.6°F). Weather in May »Weather in June
June, the first month of the summer in Sayo, is a warm month, with an average temperature fluctuating between 18.1°C (64.6°F) and 23.8°C (74.8°F). June brings a marginal elevation to a warm 23.8°C (74.8°F) from May's 20.9°C (69.6°F) in Sayo's average high-temperatures. Weather in June »Weather in July
July, the same as June, is another warm summer month in Sayo, Japan, with an average temperature fluctuating between 27.4°C (81.3°F) and 22.3°C (72.1°F). In Sayo, the average high-temperature in July slightly increases from a warm 23.8°C (74.8°F) in June to a still moderately hot 27.4°C (81.3°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Sayo, Japan, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 29.2°C (84.6°F). August is the warmest month of the year, registering average temperatures as high as 29.2°C (84.6°F) and as low as 23.8°C (74.8°F). The heat index value for August is estimated at a fiery hot 35°C (95°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Sayo, Japan, with an average temperature varying between 25.6°C (78.1°F) and 20°C (68°F). The shift from August to September includes a small decrease in the average high-temperature, from a warm 29.2°C (84.6°F) to a still moderately hot 25.6°C (78.1°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Sayo, Japan, with temperature in the range of an average high of 20.8°C (69.4°F) and an average low of 14.9°C (58.8°F). October's onset introduces a mild reduction in the average high-temperature, from a moderately hot 25.6°C (78.1°F) in September to an agreeable 20.8°C (69.4°F). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Sayo, Japan, with an average temperature fluctuating between 9.7°C (49.5°F) and 14.9°C (58.8°F). The onset of November results in a decrease in the average high-temperature, receding from a pleasant 20.8°C (69.4°F) in October to a moderate 14.9°C (58.8°F). Weather in November »Weather in December
December, the first month of the winter in Sayo, is still a chilly month, with temperature in the range of an average low of 4.7°C (40.5°F) and an average high of 9.6°C (49.3°F). December weather is marked by a drop in the average high-temperature, falling from a refreshing 14.9°C (58.8°F) in November to a frosty 9.6°C (49.3°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
Sayo experiences its average lowest temperatures in January, reaching a peak of 6.9°C (44.4°F) and a minimum of 2.3°C (36.1°F).
In Sayo, Japan, during the entire year, the rain falls for 138.1 days and collects up to 420mm (16.54") of precipitation.
January, February and December are months with snowfall in Sayo.
Throughout the year, there are 12.4 snowfall days, and 21mm (0.83") of snow is accumulated.
The months with the lowest UV index in Sayo are January and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 4.3 days and accumulates 11mm (0.43") of snow.
With an average of 5.1h of sunshine, February has the least sunshine of the year in Sayo.
The months with the lowest humidity in Sayo are March and April, with an average relative humidity of 73%.
March through November are months without snowfall in Sayo, Japan.
June has the longest days of the year, with an average of 14h and 30min of daylight.
With an average relative humidity of 84%, July is the most humid month in Sayo.
The month with the most rainfall is July, when the rain falls for 19.4 days and typically aggregates up to 78mm (3.07") of precipitation.
July and August, with an average maximum UV index of 7, are months with the highest UV index.
With average temperatures fluctuating between a high of 29.2°C (84.6°F) and a low of 23.8°C (74.8°F), August stands out as the warmest month.
August has the most sunshine of the year in Sayo, with an average of 10.8h of sunshine.
November is the month with the least rainfall. Rain falls for 7.8 days and accumulates 11mm (0.43") of precipitation.
With an average of 9h and 54min of daylight, December has the shortest days of the year in Sayo, Japan.
Sayo, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Sayo, 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 (6.9°C).
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure
Sayo, Japan
- Average pressure in January:
1020.2mbar - Average pressure in February:
1020.3mbar - Average pressure in March:
1017.9mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1008.6mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1012.6mbar - Average pressure in October:
1017mbar - Average pressure in November:
1019.9mbar - Average pressure in December:
1019.8mbar
The month with the highest atmospheric pressure is February (1020.3mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).
Average wind speed
Sayo, Japan
- Average wind speed in January:
15.3km/h - Average wind speed in February:
13.1km/h - Average wind speed in March:
12.6km/h - Average wind speed in April:
11.8km/h - Average wind speed in May:
9.9km/h - Average wind speed in June:
8.7km/h
- Average wind speed in July:
9km/h - Average wind speed in August:
9km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
11.2km/h - Average wind speed in November:
11.4km/h - Average wind speed in December:
15km/h
The windiest month (with the highest average wind speed) is January (15.3km/h).
The calmest month (with the lowest average wind speed) is June (8.7km/h).
Average humidity
Sayo, Japan
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall
Sayo, Japan
The wettest month (with the highest rainfall) is July (78mm).
The driest month (with the least rainfall) is November (11mm).
Average rainfall days
Sayo, Japan
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
9.1 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (7.8 days).
Average snowfall
Sayo, Japan
The month with the highest snowfall is February (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Sayo, Japan
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
0.4 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:
2.9 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Sayo, 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 24min - Average daylight in December:
9h and 54min
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 54min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 18min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 24min
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 6min).
Average sunshine days
Sayo, Japan
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
20.1 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
19.2 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
10.2 days - Average sunshine days in September:
12.3 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is July (8.6 days).
Average UV index
Sayo, 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
Sayo, Japan
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Sayo, Japan
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
