Climate and monthly weather forecastOita, Japan
Climate and monthly weather forecast
The climate of Oita
Geographically positioned in the eastern part of Kyushu Island, Oita, Japan, is characterized by a Cfa Köppen climate classification, which translates to a Humid Subtropical climate. This climate type entails no dry season, constant humidity, and precipitation dispersed throughout the year in addition to a temperature pattern that experiences modest variations based upon the month.Throughout the span of a year, the temperatures fluctuate moderately from a low point of 3°C (37.4°F) recorded in January to a peak of 30°C (86°F) reached in August. The winters tend to be relatively mild, while the summers typically transition from warm to hot. As noted in the humidity figures, ranging from 72% in March to a maximum of 84% in July, a certain level of moisture persists in the atmosphere year-round.
Precipitation in Oita is a crucial aspect of its climate, with records indicating a minimum of 21mm (0.83") in January, gradually increasing till it peaks at 93mm (3.66") in July. Following this climatic pattern, rainfall days per year observe a rise from 7.3 days in January, reaching a peak at 20.7 days in July, before descending to 9.8 days by December. Moreover, snowfall days and millimeters remain scant throughout the year save for January and February, where slight amounts have been detected.
The best time to visit Oita
An optimal time to visit Oita would be during the period from April to June, as the region experiences a relatively mild and pleasant climate. Spring is in full bloom during these months, with daily temperatures ranging from 13.4°C (56.1°F) to 24.5°C (76.1°F) wherein a pleasant blend of sunshine and moderate rainfall sets the stage for enticing scenery. Daily sunshine hours peak at about 9.5 hours per day in May, which affords an ample number of daylight hours to explore the city's spectacles.The worst time to visit Oita
Conversely, the time frame extending from July to August may potentially be regarded as the least amiable period to visit Oita. As this summer season witnesses the highest recorded temperature points, it also encounters the maximal count of rainfall days and millimeters. Temperatures reach a sizzling high of 30°C (86°F) in August and rainfall amounts to 93mm (3.66") in July which severely curtails leisure activities and outdoor explorations.Spring weather in Oita
March sees the advent of Spring in Oita which lasts until May. March begins with temperatures in the range of 6.2°C (43.2°F), and this figure escalates to reach 14.5°C (58.1°F) in May. Concurrently, humidity remains relatively constant, varying slightly between 72% and 74%. March observes 33mm (1.3") rainfall, which gradually wanes to 25mm (0.98") by May, and the number of rainfall days dips from 10.3 days to 9.9 days respectively, creating an overall pleasant environment.Summer weather in Oita
Summers in Oita running from June to August are characterized by a surge in temperatures with an increased frequency of rainfall. Temperatures climb from 18.5°C (65.3°F) in June to reach their annual peak of 30°C (86°F) in August. Humidity also attains an all-year high with a range of 83% to 84% from June to August. Additionally, rainfall hits an annual zenith, recording a maximum of 93mm (3.66") in July, and a correspondingly high count of rainfall days that peak at 20.7 days in July. Hence, summers in Oita are hot, humid, and distinctly wet.Autumn weather in Oita
The Autumn season, extending from September to November, witnesses numerous changes in Oita's weather parameters. Starting in September, temperatures begin a gradual descent from 19.7°C (67.5°F) to reach 10.2°C (50.4°F) by November. Rainfall also sees a decrease throughout the season. From a high of 73mm (2.87") in September, it reduces considerably to a mere 21mm (0.83") by November, much like the trend seen in the number of rainfall days that reduce from 14.9 days in September to 8.5 days in November. As such, Autumn in Oita is characterized by falling temperatures and significantly less rainfall.Winter weather in Oita
Winter in Oita spans December to February, marked by its coldest weather. Temperatures range from 4.9°C (40.8°F) in December to 3°C (37.4°F) by February. With regard to precipitation, December witnesses 25mm (0.98") of rain that reduces further to 21mm (0.83") come February. Simultaneously, rain days reduce from 9.8 days in December to 7.3 days towards February. Winters in Oita are chilly and dry, with a slight occurrence of snow in January and February.Weather in January
January weather in Oita, Japan is characterized by cold temperatures and moderate humidity. Snowfall occurs, though it is not heavy, amounting to just 2mm (0.08") throughout the month. Compared to December, January sees a slight increase in maximum temperatures but experiences the chill with the lowest minimum temperatures. Weather in January »Weather in February
February introduces early signs of spring in Oita, with a slight increase in temperature from January. Yet, it still retains winter-like conditions with occasional light snowfall. This month registers more rainfall compared to January with the humidity levels slightly up. Weather in February »Weather in March
March brings further warming, showing a significant rise in temperature from February. A notable feature this month is the rainfall, which is highest across the first quarter of the year, contributing to the moist conditions. Despite the increase in temperature, March retains its ability to surprise with traces of snowfall. Weather in March »Weather in April
In April, Oita enters a phase of pleasant weather. Temperatures rise further from March, indicating a complete transition from the colder months. April is somewhat drier than March, although rainfall is not uncommon. The frequency of sunshine increases consistently throughout the month, contributing to the overall pleasant weather conditions. Weather in April »Weather in May
May signifies the real commencement of summer in Oita. The month witnesses a substantial jump in temperature from April, with both day and night temperatures being higher. While rainfall sees a dramatic increase this month, snowfall is absent, indicating a clear transition into the warmer months. Weather in May »Weather in June
June in Oita is characterized by a weather transition towards more tropical conditions. The most significant increase in rainfall occurs this month, marking it the beginning of the rainy season. Temperatures remain on an upward curve from May with high humidity levels, adding to the feel of tropical summer weather. Weather in June »Weather in July
July exhibits true summer heat, with the highest temperatures of the year recorded during this month. This spike in temperature accompanies a high level of rainfall, making it the wettest month of the year. The increase in rainfall does not deter the sunshine hours, which remain constant from June. Weather in July »Weather in August
August retains July's heat, with similar high temperatures. It marks the culmination of the summer season, with the last bouts of intense rainfall. Following July's peak, rainfall starts to decline, yet humidity levels remain high. Weather in August »Weather in September
September in Oita signifies the transition from summer to fall. It sees a decrease in temperature from the peak summer months, paving the way for a more comfortable climate. Rainfall witnesses a significant decrease as well, bringing relief from the high precipitation of the summer months. Weather in September »Weather in October
October ushers in clear fall weather in Oita, with lowered temperatures and reduced rainfall from September. The decreasing temperatures contribute to comfortable weather, ideal for outdoor activities. Sunshine hours begin to decrease, coinciding with shorter daylight hours. Weather in October »Weather in November
November in Oita, Japan, is characterized by a significant drop in temperature from October, ushering in the onset of winter. As the cold sweeps in, snowfall is yet to begin, marking it a dry month. Rainfall reaches one of the year's lowest points, similar to the precipitation seen in January. Weather in November »Weather in December
December marks the arrival of winter in Oita, with the temperatures dropping to the lowest levels of the year. The month also sees light snowfall, setting a quintessential winter scene. Rainfall remains at moderate levels and does not considerably change from November. 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
The coldest temperatures occur during January, when averages reach a peak of 8.9°C (48°F) and a low of 3°C (37.4°F).
January and November are months with the least rain in Oita when the rain falls for 7.3 days and typically aggregates up to 21mm (0.83") of rain.
Throughout the year, there are 145.1 rainfall days, and 599mm (23.58") of precipitation is accumulated.
January through March and December are months with snowfall in Oita.
January is the month with the most snowfall in Oita, Japan. Snow falls for 2.5 days and accumulates 2mm (0.08") of snow.
Throughout the year, in Oita, Japan, there are 5.5 snowfall days, and 5mm (0.2") of snow is accumulated.
January has the least sunshine of the year, with an average of 5.6h of sunshine.
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Oita, Japan.
The month with the coldest seawater in Oita is February, with an average sea temperature of 13.5°C (56.3°F).
March is the least humid month in Oita, Japan, with an average relative humidity of 72%.
In Oita, Japan, snow does not fall in April through November.
The month with the longest days is June, with an average of 14h and 18min of daylight.
With an average relative humidity of 84%, July is the most humid month.
The month with the most rainfall is July, when the rain falls for 20.7 days and typically aggregates up to 93mm (3.66") of precipitation.
July is the month with the highest UV index in Oita, Japan, with an average maximum UV index of 7.
The warmest time of the year in Oita is August, with temperatures averaging a high of 30°C (86°F) and a low of 23.4°C (74.1°F).
The month with the warmest seawater in Oita is August, with an average sea temperature of 26.9°C (80.4°F).
The month with the most sunshine is August, with an average of 10.4h of sunshine.
The month with the shortest days in Oita is December, with an average of 10h and 0min of daylight.
Oita, Japan, does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Oita, Japan
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (8.9°C).
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure
Oita, Japan
- Average pressure in January:
1021.5mbar - Average pressure in February:
1020.6mbar - Average pressure in March:
1018.3mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1008.4mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1008.9mbar - Average pressure in September:
1012.2mbar - Average pressure in October:
1016.6mbar - Average pressure in November:
1020.1mbar - Average pressure in December:
1021mbar
The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed
Oita, Japan
- Average wind speed in January:
12.4km/h - Average wind speed in February:
11.4km/h - Average wind speed in March:
11.2km/h - Average wind speed in April:
10.3km/h - Average wind speed in May:
9km/h - Average wind speed in June:
7.2km/h
- Average wind speed in July:
7.2km/h - Average wind speed in August:
7.8km/h - Average wind speed in September:
8.2km/h - Average wind speed in October:
9.6km/h - Average wind speed in November:
9.8km/h - Average wind speed in December:
12.3km/h
The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest months (with the lowest average wind speed) are June and July (7.2km/h).
Average humidity
Oita, Japan
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (72%).
Average rainfall
Oita, Japan
The wettest month (with the highest rainfall) is July (93mm).
The driest months (with the least rainfall) are January and November (21mm).
Average rainfall days
Oita, Japan
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
9.9 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
20.7 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Oita, Japan
The month with the highest snowfall is January (2mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Oita, Japan
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.7 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:
1.3 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Oita, Japan
The best month for swimming (with the highest average sea temperature) is August (26.9°C).
The coldest month (with the lowest average sea temperature) is February (13.5°C).
Average daylight / Average sunshine
Oita, 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 30min - 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:
5h and 36min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 30min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days
Oita, Japan
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
18 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
12.7 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index
Oita, 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
Oita, Japan
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Oita, Japan
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are June and July (8km).
