Climate and monthly weather forecastJohana, Japan
Climate and monthly weather forecast
Weather in January
January, like December, in Johana, Japan, is another cold winter month, with an average temperature varying between 3°C (37.4°F) and -2.5°C (27.5°F). With average high and low temperatures of 3°C (37.4°F) and -2.5°C (27.5°F) respectively, January is Johana's coldest month. Weather in January »Weather in February
February, the last month of the winter in Johana, is another cold month, with an average temperature ranging between max 3.9°C (39°F) and min -2.3°C (27.9°F). The high-temperature average in February for Johana is a still wintry 3.9°C (39°F), staying closely aligned with January's conditions. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Johana, Japan, with an average temperature ranging between max 8.3°C (46.9°F) and min 0.9°C (33.6°F). March's onset witnesses a minor shift in the average high-temperature, moving from a wintry 3.9°C (39°F) in February to a frosty 8.3°C (46.9°F). Weather in March »Weather in April
April in Johana, Japan, is a mild spring month, with an average temperature varying between 5.6°C (42.1°F) and 13.8°C (56.8°F). April's arrival sees a rise in the average high-temperature, jumping from March's chilly 8.3°C (46.9°F) to a refreshing 13.8°C (56.8°F). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Johana, Japan, with an average temperature ranging between min 10.5°C (50.9°F) and max 20.3°C (68.5°F). The average high-temperature increases in May, moving from a refreshing 13.8°C (56.8°F) in April to a pleasant 20.3°C (68.5°F). Weather in May »Weather in June
June, the first month of the summer in Johana, is a moderately hot month, with an average temperature ranging between min 14.6°C (58.3°F) and max 24.1°C (75.4°F). As May transitions into June, Johana notices a gentle rise in the average high-temperature, transitioning from a pleasant 20.3°C (68.5°F) to a moderately hot 24.1°C (75.4°F). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Johana, Japan, with an average temperature varying between 27.8°C (82°F) and 19.6°C (67.3°F). The shift into July is marked by a modest rise in the average high-temperature, moving from June's warm 24.1°C (75.4°F) to a still moderately hot 27.8°C (82°F). Weather in July »Weather in August
August, the last month of the summer in Johana, is also a moderately hot month, with an average temperature varying between 20.8°C (69.4°F) and 29.3°C (84.7°F). During the warmest month, August, temperatures average a high of 29.3°C (84.7°F) and a low of 20.8°C (69.4°F). The heat index in August is appraised at a very 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 Johana, Japan, with temperature in the range of an average low of 16.6°C (61.9°F) and an average high of 24.1°C (75.4°F). September weather is marked by a drop in the average high-temperature, falling from a moderately hot 29.3°C (84.7°F) in August to a still warm 24.1°C (75.4°F). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Johana, Japan, with temperature in the range of an average high of 18.8°C (65.8°F) and an average low of 11.5°C (52.7°F). As October arrives, Johana's weather displays a decrease in high-temperatures, transitioning from September's warm 24.1°C (75.4°F) to a comfortable 18.8°C (65.8°F). Weather in October »Weather in November
November, the last month of the autumn in Johana, is another cool month, with an average temperature ranging between max 12.7°C (54.9°F) and min 6.4°C (43.5°F). The onset of November is marked by a decrease in temperature, transitioning from an enjoyable 18.8°C (65.8°F) in October to a cool 12.7°C (54.9°F). Weather in November »Weather in December
December, the first month of the winter in Johana, is still a chilly month, with an average temperature ranging between min 1.1°C (34°F) and max 6.3°C (43.3°F). The average high-temperature drops in December, from November's cool 12.7°C (54.9°F) to a chilly 6.3°C (43.3°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Johana, Japan
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (3°C).
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).
Average pressure
Johana, Japan
- Average pressure in January:
1018.6mbar - Average pressure in February:
1019.5mbar - Average pressure in March:
1017.3mbar - Average pressure in April:
1015mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1009.4mbar - Average pressure in August:
1010mbar - Average pressure in September:
1013.6mbar - Average pressure in October:
1017.5mbar - Average pressure in November:
1019.4mbar - Average pressure in December:
1018.2mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed
Johana, Japan
- Average wind speed in January:
10km/h - Average wind speed in February:
9.6km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
9.1km/h - Average wind speed in May:
8.3km/h - Average wind speed in June:
6.9km/h
- Average wind speed in July:
7.3km/h - Average wind speed in August:
6.9km/h - Average wind speed in September:
7.5km/h - Average wind speed in October:
8.4km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
10.7km/h
The windiest month (with the highest average wind speed) is December (10.7km/h).
The calmest months (with the lowest average wind speed) are June and August (6.9km/h).
Average humidity
Johana, Japan
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Johana, Japan
- Average rainfall in January:
118mm - Average rainfall in February:
81mm - Average rainfall in March:
93mm - Average rainfall in April:
92mm - Average rainfall in May:
77mm - Average rainfall in June:
117mm
- Average rainfall in July:
177mm - Average rainfall in August:
134mm - Average rainfall in September:
118mm - Average rainfall in October:
121mm - Average rainfall in November:
88mm - Average rainfall in December:
138mm
The wettest month (with the highest rainfall) is July (177mm).
The driest month (with the least rainfall) is May (77mm).
Average rainfall days
Johana, Japan
- Average rainfall days in January:
14.6 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
12.9 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
20.7 days - Average rainfall days in August:
18 days - Average rainfall days in September:
16.4 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
16.7 days - Average rainfall days in December:
18.9 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (11.6 days).
Average snowfall
Johana, Japan
The month with the highest snowfall is January (440mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Johana, Japan
- Average snowfall days in January:
15.4 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
0.8 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:
0.3 days - Average snowfall days in December:
8.9 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Johana, Japan
- Average daylight in January:
10h and 0min - 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 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - 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 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 42min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 12min - Average sunshine in December:
3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Johana, Japan
- Average sunshine days in January:
7.1 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
16.7 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
8.4 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
11.4 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
7.3 days
The month with the most sunshine days is May (16.7 days).
The month with the least sunshine days is January (7.1 days).
Average UV index
Johana, Japan
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Johana, Japan
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 34).
Average visibility
Johana, Japan
The months with the highest visibility are March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and July (8km).





