Climate and monthly weather forecastUmi, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Umi, Japan, with an average temperature fluctuating between 8.3°C (46.9°F) and 2.5°C (36.5°F). Umi, Japan, experiences its lowest average temperatures in January, reaching a peak of 8.3°C (46.9°F) and a minimum of 2.5°C (36.5°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Umi, Japan, with an average temperature fluctuating between 3.2°C (37.8°F) and 9.9°C (49.8°F). The dawn of February sees an average high-temperature of a still chilly 9.9°C (49.8°F), subtly contrasting with January's 8.3°C (46.9°F). Weather in February »Weather in March
March, the first month of the spring in Umi, is a mild month, with an average temperature fluctuating between 13.4°C (56.1°F) and 5.7°C (42.3°F). Umi in March observes a minor temperature shift, with average high-temperatures adjusting from a chilly 9.9°C (49.8°F) in February to a moderate 13.4°C (56.1°F). Weather in March »Weather in April
April in Umi, Japan, is a refreshing spring month, with an average temperature ranging between min 9.2°C (48.6°F) and max 17.9°C (64.2°F). As Umi transitions into April, the average high-temperature is observed to slightly rise from a refreshing 13.4°C (56.1°F) in March to a comfortable 17.9°C (64.2°F). Weather in April »Weather in May
May, the last month of the spring in Umi, is a moderately hot month, with an average temperature fluctuating between 13.8°C (56.8°F) and 23°C (73.4°F). The shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 17.9°C (64.2°F) to a warm 23°C (73.4°F). Weather in May »Weather in June
June, the first month of the summer in Umi, is also a moderately hot month, with an average temperature ranging between max 25.7°C (78.3°F) and min 18.3°C (64.9°F). The arrival of June marks a slight shift to an average high-temperature of a still warm 25.7°C (78.3°F) from May's 23°C (73.4°F). Weather in June »Weather in July
July, like June, in Umi, Japan, is a moderately hot summer month, with temperature in the range of an average low of 22.6°C (72.7°F) and an average high of 29.2°C (84.6°F). As June gives way to July, the average high-temperature displays a slight ascent, adjusting from 25.7°C (78.3°F) to a still warm 29.2°C (84.6°F). Weather in July »Weather in August
The last month of the summer, August, is a tropical month in Umi, Japan, with an average temperature varying between 23.5°C (74.3°F) and 31.1°C (88°F). August, marked by an average high-temperature of 31.1°C (88°F) and a low-temperature of 23.5°C (74.3°F), is the warmest month. The average heat index in August is estimated at a blistering 41°C (105.8°F). Weather in August »Weather in September
September, the first month of the autumn in Umi, is still a warm month, with an average temperature varying between 19.6°C (67.3°F) and 26.6°C (79.9°F). September implies a soft temperature shift, with average high-temperatures reducing from August's hot 31.1°C (88°F) to a warm 26.6°C (79.9°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Umi, Japan, with an average temperature fluctuating between 14.8°C (58.6°F) and 21.8°C (71.2°F). In October, the average high-temperature marginally drops from a warm 26.6°C (79.9°F) in September to an agreeable 21.8°C (71.2°F). Weather in October »Weather in November
November, the last month of the autumn in Umi, is another refreshing month, with temperature in the range of an average low of 9.6°C (49.3°F) and an average high of 16.3°C (61.3°F). The onset of November results in a decrease in the average high-temperature, receding from a pleasant 21.8°C (71.2°F) in October to a refreshing 16.3°C (61.3°F). Weather in November »Weather in December
December, the first month of the winter in Umi, is still a cool month, with temperature in the range of an average high of 10.3°C (50.5°F) and an average low of 4.8°C (40.6°F). A shift in the average high-temperature occurs in December, reducing from a comfortable 16.3°C (61.3°F) in November to a cool 10.3°C (50.5°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 brings the lowest temperatures in Umi, with an average high of 8.3°C (46.9°F) and an average low of 2.5°C (36.5°F).
The month with the least rainfall in Umi is January, when the rain falls for 13.8 days and typically collects 51mm (2.01") of precipitation.
In Umi, Japan, during the entire year, the rain falls for 183.3 days and collects up to 1145mm (45.08") of precipitation.
January through March and December are months with snowfall in Umi.
The month with the most snowfall is January, when snow falls for 5.7 days and typically aggregates up to 33mm (1.3") of snow.
Throughout the year, there are 11.9 snowfall days, and 71mm (2.8") of snow is accumulated.
January has the least sunshine of the year, with an average of 3.8h of sunshine.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
March is the least humid month in Umi, Japan, with an average relative humidity of 73%.
April through November are months without snowfall.
With an average of 14h and 18min of daylight, June has the longest days of the year.
The most humid month in Umi, Japan, is July, with an average relative humidity of 83%.
July is the month with the most rainfall. Rain falls for 22.5 days and accumulates 221mm (8.7") of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 7.
Umi's warmest month, August, generally records average temperatures ranging from a high of 31.1°C (88°F) to a low of 23.5°C (74.3°F).
The month with the most sunshine in Umi, Japan, is August, with an average of 9.6h of sunshine.
With an average of 10h and 0min of daylight, December has the shortest days of the year in Umi, Japan.
Umi, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Umi, Japan
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (8.3°C).
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure
Umi, Japan
- Average pressure in January:
1022mbar - Average pressure in February:
1020.9mbar - Average pressure in March:
1018.5mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1008.2mbar
- Average pressure in July:
1008.6mbar - Average pressure in August:
1008.6mbar - Average pressure in September:
1012.2mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1020.3mbar - Average pressure in December:
1021.4mbar
The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed
Umi, Japan
- Average wind speed in January:
10.7km/h - Average wind speed in February:
10.4km/h - Average wind speed in March:
10.7km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
8.3km/h - Average wind speed in June:
7.6km/h
- Average wind speed in July:
8.8km/h - Average wind speed in August:
8.3km/h - Average wind speed in September:
8.4km/h - Average wind speed in October:
9.7km/h - Average wind speed in November:
9km/h - Average wind speed in December:
10.6km/h
The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).
Average humidity
Umi, Japan
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is March (73%).
Average rainfall
Umi, Japan
The wettest month (with the highest rainfall) is July (221mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days
Umi, Japan
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
13.4 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
18.2 days
- Average rainfall days in July:
22.5 days - Average rainfall days in August:
18.4 days - Average rainfall days in September:
16.3 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
12.2 days - Average rainfall days in December:
16.5 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (11.4 days).
Average snowfall
Umi, Japan
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Umi, Japan
- Average snowfall days in January:
5.7 days - Average snowfall days in February:
2.6 days - Average snowfall days in March:
0.5 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:
3.1 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Umi, Japan
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 42min - Average sunshine in June:
7h and 12min
- Average sunshine in July:
7h and 54min - Average sunshine in August:
9h and 36min - Average sunshine in September:
7h and 36min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Umi, Japan
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
11 days - Average sunshine days in March:
14 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
17.7 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
7.1 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
14.5 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.1 days).
Average UV index
Umi, 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
Umi, Japan
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and October (Cloud cover 39).
Average visibility
Umi, Japan
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
