Climate and monthly weather forecastKasumigaseki, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Kasumigaseki, Japan, is another chilly winter month, with an average temperature fluctuating between 8.8°C (47.8°F) and 3°C (37.4°F). The coldest period tends to be January, when average temperatures fluctuate between a high of 8.8°C (47.8°F) and a low of 3°C (37.4°F). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Kasumigaseki, Japan, with an average temperature varying between 3.7°C (38.7°F) and 9.8°C (49.6°F). The arrival of February brings an average high-temperature of a still frosty 9.8°C (49.6°F), nearly identical to January's 8.8°C (47.8°F). Weather in February »Weather in March
March, the first month of the spring in Kasumigaseki, is a fresh month, with an average temperature ranging between max 12.9°C (55.2°F) and min 6.3°C (43.3°F). March's arrival coincides with a subtle temperature rise, moving from February's frosty 9.8°C (49.6°F) to a cool 12.9°C (55.2°F). Weather in March »Weather in April
April is a comfortable spring month in Kasumigaseki, Japan, with an average temperature ranging between max 17.6°C (63.7°F) and min 10.8°C (51.4°F). April's onset witnesses a minor shift in the average high-temperature, moving from a fresh 12.9°C (55.2°F) in March to a refreshing 17.6°C (63.7°F). Weather in April »Weather in May
May, the last month of the spring in Kasumigaseki, is a pleasant month, with an average temperature fluctuating between 16.1°C (61°F) and 22.7°C (72.9°F). As May begins, there is an increase in the average high-temperature, moving from an enjoyable 17.6°C (63.7°F) in April to a pleasant 22.7°C (72.9°F). Weather in May »Weather in June
June, the first month of the summer in Kasumigaseki, is a moderately hot month, with an average temperature fluctuating between 24.8°C (76.6°F) and 19.3°C (66.7°F). June's arrival registers an average high-temperature of a warm 24.8°C (76.6°F), closely aligning with the temperature of the previous month. Weather in June »Weather in July
July, like June, in Kasumigaseki, Japan, is another warm summer month, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 28.8°C (83.8°F). In July, the average high-temperature marginally rises from a moderately hot 24.8°C (76.6°F) in June to a still warm 28.8°C (83.8°F). Weather in July »Weather in August
The last month of the summer, August, is a hot month in Kasumigaseki, Japan, with temperature in the range of an average low of 24.9°C (76.8°F) and an average high of 30.6°C (87.1°F). In Kasumigaseki, the peak average temperatures are observed in August, with a high of 30.6°C (87.1°F) and a low of 24.9°C (76.8°F). Throughout August, the heat index is computed to be a sweltering 38°C (100.4°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Kasumigaseki, Japan, with temperature in the range of an average low of 21.5°C (70.7°F) and an average high of 26.9°C (80.4°F). The shift from August to September coincides with a small decrease in the average high-temperature, down to a warm 26.9°C (80.4°F) from a hot 30.6°C (87.1°F). Weather in September »Weather in October
October, the same as September, in Kasumigaseki, Japan, is an agreeable autumn month, with temperature in the range of an average low of 16.4°C (61.5°F) and an average high of 21.5°C (70.7°F). October brings a drop in Kasumigaseki's average high-temperature, falling from a moderately hot 26.9°C (80.4°F) in September to a pleasant 21.5°C (70.7°F). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Kasumigaseki, Japan, with an average temperature fluctuating between 16.5°C (61.7°F) and 10.9°C (51.6°F). November's arrival coincides with a drop in the average high-temperature, decreasing from October's agreeable 21.5°C (70.7°F) to an enjoyable 16.5°C (61.7°F). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Kasumigaseki, Japan, with an average temperature varying between 11.2°C (52.2°F) and 5.9°C (42.6°F). During Kasumigaseki's transition into December, the average high-temperature lessens, moving from an enjoyable 16.5°C (61.7°F) in November to a fresh 11.2°C (52.2°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Kasumigaseki, Japan
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure
Kasumigaseki, Japan
- Average pressure in January:
1016.1mbar - Average pressure in February:
1017.1mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1016.6mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1016.2mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed
Kasumigaseki, Japan
- Average wind speed in January:
14.3km/h - Average wind speed in February:
15km/h - Average wind speed in March:
15.3km/h - Average wind speed in April:
15.6km/h - Average wind speed in May:
14km/h - Average wind speed in June:
12.4km/h
- Average wind speed in July:
13.4km/h - Average wind speed in August:
12.7km/h - Average wind speed in September:
13km/h - Average wind speed in October:
13.8km/h - Average wind speed in November:
12.3km/h - Average wind speed in December:
13.5km/h
The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).
Average humidity
Kasumigaseki, Japan
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall
Kasumigaseki, Japan
The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days
Kasumigaseki, Japan
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Kasumigaseki, Japan
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Kasumigaseki, Japan
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.1 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:
0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Kasumigaseki, 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 30min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
7h and 48min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 0min - Average sunshine in December:
6h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days
Kasumigaseki, Japan
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
20.1 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
18.5 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
24.3 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index
Kasumigaseki, Japan
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Kasumigaseki, Japan
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility
Kasumigaseki, 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).





