Climate and monthly weather forecastOtawara, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Otawara, Japan, with an average temperature fluctuating between -3.5°C (25.7°F) and 3.8°C (38.8°F). Otawara's coldest temperatures are experienced in January, with average high temperatures of 3.8°C (38.8°F) and lows of -3.5°C (25.7°F). Weather in January »Weather in February
February, the last month of the winter in Otawara, is another cold month, with an average temperature ranging between max 4.9°C (40.8°F) and min -3.3°C (26.1°F). The arrival of February marks a slight shift to an average high-temperature of a still cold 4.9°C (40.8°F) from January's 3.8°C (38.8°F). Weather in February »Weather in March
March, the first month of the spring in Otawara, is a frosty month, with temperature in the range of an average high of 8.8°C (47.8°F) and an average low of 0.3°C (32.5°F). The coming of March brings a minor shift in Otawara's weather, with average high-temperatures adjusting from February's cold 4.9°C (40.8°F) to a frosty 8.8°C (47.8°F). Weather in March »Weather in April
April in Otawara, Japan, is a refreshing spring month, with an average temperature ranging between min 5.1°C (41.2°F) and max 14.8°C (58.6°F). The shift from March to April brings an increase in the average high-temperature, moving from a frosty 8.8°C (47.8°F) to a mild 14.8°C (58.6°F). Weather in April »Weather in May
May, the last month of the spring in Otawara, is a pleasant month, with an average temperature fluctuating between 10.5°C (50.9°F) and 20.8°C (69.4°F). The shift from April to May brings an increase in the average high-temperature, moving from a moderate 14.8°C (58.6°F) to a pleasant 20.8°C (69.4°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Otawara, Japan, with an average temperature varying between 14.5°C (58.1°F) and 23.5°C (74.3°F). June brings a marginal elevation to a moderately hot 23.5°C (74.3°F) from May's 20.8°C (69.4°F) in Otawara's average high-temperatures. Weather in June »Weather in July
July, the same as June, is another warm summer month in Otawara, Japan, with an average temperature varying between 27.4°C (81.3°F) and 19.2°C (66.6°F). The shift from June to July is marked by a slight increase in the average high-temperature, moving from 23.5°C (74.3°F) to a still warm 27.4°C (81.3°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Otawara, Japan, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 20.3°C (68.5°F). The warmest period tends to be August, when average temperatures fluctuate between a high of 29°C (84.2°F) and a low of 20.3°C (68.5°F). The heat index in August is evaluated at a torrid 35°C (95°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Otawara, Japan, with temperature in the range of an average high of 24.3°C (75.7°F) and an average low of 16.2°C (61.2°F). In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 29°C (84.2°F) in August to a still moderately hot 24.3°C (75.7°F). Weather in September »Weather in October
October, like September, in Otawara, Japan, is another refreshing autumn month, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 10.7°C (51.3°F). October's arrival correlates with a reduction in the average high-temperature, down from a warm 24.3°C (75.7°F) in September to an enjoyable 18.5°C (65.3°F). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Otawara, Japan, with temperature in the range of an average high of 12.5°C (54.5°F) and an average low of 5°C (41°F). The shift from October to November involves a decrease in the average high-temperature, from a comfortable 18.5°C (65.3°F) to a cool 12.5°C (54.5°F). Weather in November »Weather in December
December, the first month of the winter in Otawara, is also a frosty month, with temperature in the range of an average high of 6.6°C (43.9°F) and an average low of -0.1°C (31.8°F). The beginning of December marks a decrease in the average high-temperature, transitioning from a fresh 12.5°C (54.5°F) in November to a frosty 6.6°C (43.9°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, with its average high-temperature of 3.8°C (38.8°F) and an average low-temperature of -3.5°C (25.7°F), holds the record as the coldest month.
The months with the lowest humidity are January, March through May and December, with an average relative humidity of 72%.
Throughout the year, there are 178.7 rainfall days, and 956mm (37.64") of precipitation is accumulated.
January through April, November and December are months with snowfall in Otawara, Japan.
In Otawara, Japan, during the entire year, snow falls for 19.6 days and aggregates up to 255mm (10.04") of snow.
The months with the lowest UV index in Otawara, Japan, are January through March and December, with an average maximum UV index of 2.
February is the month with the most snowfall in Otawara. Snow falls for 5.6 days and accumulates 88mm (3.46") of snow.
The month with the least sunshine in Otawara, Japan, is February, with an average of 6.3h of sunshine.
May through October are months without snowfall.
The month with the most sunshine is May, with an average of 9.6h of sunshine.
With an average of 14h and 36min of daylight, June has the longest days of the year in Otawara, Japan.
July is the most humid month, with an average relative humidity of 83%.
July is the month with the most rainfall in Otawara, Japan. Rain falls for 23.8 days and accumulates 140mm (5.51") of precipitation.
July and August, with an average maximum UV index of 6, are months with the highest UV index in Otawara.
August is the month when Otawara sees the average highest temperatures, with a high of 29°C (84.2°F) and a low of 20.3°C (68.5°F).
December is the month with the least rainfall in Otawara. Rain falls for 10.1 days and accumulates 28mm (1.1") of precipitation.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Otawara does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Otawara, Japan
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (3.8°C).
The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure
Otawara, Japan
- Average pressure in January:
1016.6mbar - Average pressure in February:
1017.8mbar - Average pressure in March:
1016.1mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1010.4mbar - Average pressure in September:
1014mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1018.7mbar - Average pressure in December:
1016.6mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Otawara, Japan
- Average wind speed in January:
10.1km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
10.3km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
8.7km/h - Average wind speed in June:
7.2km/h
- Average wind speed in July:
6.4km/h - Average wind speed in August:
6.3km/h - Average wind speed in September:
7.2km/h - Average wind speed in October:
8.2km/h - Average wind speed in November:
8km/h - Average wind speed in December:
9.1km/h
The windiest months (with the highest average wind speed) are February and March (10.3km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity
Otawara, Japan
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are January, March, April, May and December (72%).
Average rainfall
Otawara, Japan
The wettest month (with the highest rainfall) is July (140mm).
The driest month (with the least rainfall) is December (28mm).
Average rainfall days
Otawara, Japan
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
21.6 days
- Average rainfall days in July:
23.8 days - Average rainfall days in August:
21.4 days - Average rainfall days in September:
17.5 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Otawara, Japan
The month with the highest snowfall is February (88mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Otawara, Japan
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
5.6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.7 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:
0.1 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Otawara, Japan
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 48min - 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 12min - 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:
6h and 30min - Average sunshine in February:
6h and 18min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 36min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
9h and 24min - Average sunshine in September:
7h and 42min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 24min - Average sunshine in December:
6h and 30min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days
Otawara, Japan
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
6.4 days
- Average sunshine days in July:
4.8 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
10.9 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
17.5 days
The months with the most sunshine days are January and November (18.8 days).
The month with the least sunshine days is July (4.8 days).
Average UV index
Otawara, Japan
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover
Otawara, Japan
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility
Otawara, Japan
The month with the highest visibility is December (10km).
The months with the lowest visibility are June, July, August and September (8km).
