Climate and monthly weather forecastAisai, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Aisai, Japan, with an average temperature ranging between min 0.7°C (33.3°F) and max 6.8°C (44.2°F). With average high and low temperatures of 6.8°C (44.2°F) and 0.7°C (33.3°F) respectively, January is Aisai's coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Aisai, Japan, with an average temperature ranging between min 1.3°C (34.3°F) and max 7.9°C (46.2°F). February reports an average high-temperature of a still chilly 7.9°C (46.2°F), slightly varied from January's 6.8°C (44.2°F). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Aisai, Japan, with an average temperature fluctuating between 12.1°C (53.8°F) and 3.7°C (38.7°F). Aisai in March observes a minor temperature shift, with average high-temperatures adjusting from a frosty 7.9°C (46.2°F) in February to a fresh 12.1°C (53.8°F). Weather in March »Weather in April
April is an enjoyable spring month in Aisai, Japan, with an average temperature varying between 8°C (46.4°F) and 16.8°C (62.2°F). The onset of April introduces a subtle rise in the average high-temperature, nudging from a cool 12.1°C (53.8°F) in March to a refreshing 16.8°C (62.2°F). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Aisai, Japan, with an average temperature varying between 22.7°C (72.9°F) and 13.3°C (55.9°F). May's arrival coincides with a temperature rise, moving from April's enjoyable 16.8°C (62.2°F) to a pleasant 22.7°C (72.9°F). Weather in May »Weather in June
June, the first month of the summer in Aisai, is a warm month, with an average temperature fluctuating between 25.8°C (78.4°F) and 17.6°C (63.7°F). Aisai's weather in June presents a minor rise in the average high-temperature, moving from an agreeable 22.7°C (72.9°F) in May to a warm 25.8°C (78.4°F). Weather in June »Weather in July
July, like June, in Aisai, Japan, is another warm summer month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 22.2°C (72°F). As July begins, there's a slight increase in the average high-temperature, moving from 25.8°C (78.4°F) in June to a still warm 29.3°C (84.7°F). Weather in July »Weather in August
The last month of the summer, August, is a hot month in Aisai, Japan, with temperature in the range of an average high of 31.5°C (88.7°F) and an average low of 23.8°C (74.8°F). August is Aisai's warmest month, registering average high temperatures of 31.5°C (88.7°F) and lows of 23.8°C (74.8°F). The heat index value during August is appraised at a blisteringly hot 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 Aisai, Japan, with an average temperature varying between 19.5°C (67.1°F) and 27°C (80.6°F). A modest decline in the average high-temperature is seen during September, decreasing from a hot 31.5°C (88.7°F) in August to a moderately hot 27°C (80.6°F). Weather in September »Weather in October
October, the same as September, in Aisai, Japan, is another pleasant autumn month, with an average temperature fluctuating between 14°C (57.2°F) and 21.4°C (70.5°F). Aisai observes a minor decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 27°C (80.6°F) to a pleasant 21.4°C (70.5°F). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Aisai, Japan, with an average temperature varying between 8.6°C (47.5°F) and 15.5°C (59.9°F). The beginning of November marks a decrease in the average high-temperature, transitioning from a pleasant 21.4°C (70.5°F) in October to a refreshing 15.5°C (59.9°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Aisai, Japan, with an average temperature fluctuating between 3.5°C (38.3°F) and 9.3°C (48.7°F). The arrival of December corresponds with a reduction in the average high-temperature, down from November's mild 15.5°C (59.9°F) to a chilly 9.3°C (48.7°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 Aisai, Japan, exhibiting average temperatures of 6.8°C (44.2°F) at the peak and 0.7°C (33.3°F) at the base.
January is the month with the least rainfall. Rain falls for 7.7 days and accumulates 21mm (0.83") of precipitation.
Throughout the year, in Aisai, there are 157.2 rainfall days, and 936mm (36.85") of precipitation is accumulated.
Months with snowfall in Aisai, Japan, are January through March and December.
In Aisai, Japan, during the entire year, snow falls for 4.2 days and aggregates up to 21mm (0.83") of snow.
The months with the lowest UV index in Aisai, Japan, are January and December, with an average maximum UV index of 2.
February is the month with the most snowfall in Aisai, Japan. Snow falls for 1.7 days and accumulates 8mm (0.31") of snow.
February has the least sunshine of the year, with an average of 5.7h of sunshine.
April through November are months without snowfall in Aisai.
May is the least humid month in Aisai, Japan, with an average relative humidity of 71%.
June has the longest days of the year in Aisai, Japan, with an average of 14h and 30min of daylight.
With an average relative humidity of 80%, July is the most humid month in Aisai.
The month with the most rainfall in Aisai, Japan, is July, when the rain falls for 21.8 days and typically aggregates up to 174mm (6.85") of precipitation.
With an average maximum UV index of 7, July is the month with the highest UV index.
August, marked by an average high-temperature of 31.5°C (88.7°F) and a low-temperature of 23.8°C (74.8°F), is the warmest month in Aisai, Japan.
With an average of 10.5h of sunshine, August has the most sunshine of the year in Aisai, Japan.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
Aisai, Japan, does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Aisai, Japan
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (6.8°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 (0.7°C).
Average pressure
Aisai, Japan
- Average pressure in January:
1018.8mbar - Average pressure in February:
1019.1mbar - Average pressure in March:
1017mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1009mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1010mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1019.3mbar - Average pressure in December:
1018.6mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed
Aisai, Japan
- Average wind speed in January:
9.4km/h - Average wind speed in February:
9.5km/h - Average wind speed in March:
9.5km/h - Average wind speed in April:
9.3km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
7.1km/h
- Average wind speed in July:
7km/h - Average wind speed in August:
7.3km/h - Average wind speed in September:
7.4km/h - Average wind speed in October:
8.1km/h - Average wind speed in November:
7.9km/h - Average wind speed in December:
9.3km/h
The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (7km/h).
Average humidity
Aisai, Japan
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Aisai, Japan
The wettest month (with the highest rainfall) is July (174mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days
Aisai, Japan
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall
Aisai, Japan
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Aisai, Japan
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.7 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:
0.8 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Aisai, 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:
5h and 54min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 18min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
8h and 48min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days
Aisai, Japan
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
7.1 days - Average sunshine days in August:
9.7 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (7.1 days).
Average UV index
Aisai, 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
Aisai, Japan
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility
Aisai, Japan
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
