Climate and monthly weather forecastYokkaichi, Japan
Climate and monthly weather forecast
The climate of Yokkaichi
Yokkaichi, Japan, designated with the Köppen climate classification Cfa, boasts conditions associated with a humid subtropical climate with no distinct dry season. Nestled in the heart of Japan, the city experiences weather patterns reflective of a subtropical zone, with notable variations in temperature, rainfall, and humidity.Throughout the year, Yokkaichi witnesses a range shift in temperature from a low of 1.3°C (34.3°F) in January to a striking high of 31.3°C (88.3°F) in August. These fluctuations, although typical for such a climate, paint quite a diverse picture of weather conditions through the year. Another key climatological parameter, the relative humidity, remains fairly consistent throughout the year, oscillating from a low of 73% in May to a high of 82% in July.
Rainfall exhibits a more notable variation, with the lowest observed average of 9mm (0.35") in January and a peak of 74mm (2.91") in July. These figures, paired with the average number of rainfall days ranging from a low of 6.3 days in December to a high of 17.8 days in July, underline the rainfall-heavy summer months. Yokkaichi also experiences its share of snowfall, albeit very minimal, in January and December, the coldest months of the year.
The best time to visit Yokkaichi
Taking into account the various weather conditions throughout the year, the autumn months of October and November mark a pleasant time for a visit to Yokkaichi. Temperatures during these months are comfortably mild, ranging from 14.2°C (57.6°F) to 21°C (69.8°F) during the day. Additionally, rainfall is comparably lower, averaging between 47mm (1.85") and 9mm (0.35") respectively, with sunshine hours rather generous, amounting to 6 and 5.9 hours per day. The UV index during these months also remains relatively low, standing at 3 and 2 respectively, mitigating potential risks associated with excessive sun exposure.The worst time to visit Yokkaichi
Based on the weather data, the less favorable time to travel to Yokkaichi would likely be the summer months of June, July, and August. Not only do these months observe the highest average temperatures, peaking at an intense 31.3°C (88.3°F), but they also record the most rainfall, reaching up to 74mm (2.91") in July. Coinciding with the high rainfall, the humidity is also at its peak, reaching up to 82%. These combined factors may deter outdoor activities and sightseeing due to exceedingly hot and rainy conditions.Spring weather in Yokkaichi
Spring in Yokkaichi, spanning from March to May, exhibits escalating temperatures, progressing from 12°C (53.6°F) in March to 22.6°C (72.7°F) by the end of May. Correspondingly, rainfall increases from 21mm (0.83") to 29mm (1.14") throughout the season. Sunshine duration remains relatively abundant, with April receiving 8.2 hours per day and May slightly higher at 9 hours per day while UV index levels rise from 3 to 5, reflecting longer daylight hours.Summer weather in Yokkaichi
Summers in Yokkaichi, falling between June and August, are characterised by high temperatures and elevated levels of humidity. June sees average daytime temperatures of 25.4°C (77.7°F), which climb to 31.3°C (88.3°F) in August. Moreover, summer receives the highest amount of rainfall for the year, reaching its apex at 74mm (2.91") in July. The quantity of daily sun hours slightly decreases from June to July but then swiftly recovers in August to 9.6 hours per day.Autumn weather in Yokkaichi
Autumn, between September and November, marks a transition into cooler temperatures in Yokkaichi. Average temperatures decline from 26.8°C (80.2°F) in September to a milder 15.3°C (59.5°F) in November. Although the month of September still receives a fairly high rainfall of 38mm (1.5"), precipitation decreases throughout autumn, dropping to 9mm (0.35") by November. Daily sunshine hours also retreat from 7.7 hours in September to 5.9 hours by November.Winter weather in Yokkaichi
Winter in Yokkaichi, encompassing December through February, brings lower temperatures, relatively less rainfall, and occasional snowfall. Temperatures drop to their lowest for the year, with a chilly 1.3°C (34.3°F) in January and a modest daytime high of 8.2°C (46.8°F) in February. Rainfall is comparatively sparse, with the lowest amount of 9mm (0.35") manifesting in December and January. Snowfall is minimal and typically limited to the colder months of January and December.Weather in January
Yokkaichi, Japan begins the calendar year with brisk temperatures and occasional snowfall. An atmospheric pressure of 1018.9mb suggests stable weather conditions throughout the month. For residents who enjoy winter activities, the snowfall of 6mm (0.24") usually occurs over 2.8 days. Weather in January »Weather in February
February's weather in Yokkaichi is similar to January, albeit with slightly milder temperatures. Sea temperatures drop slightly to 14.6°C (58.3°F) indicating an even cooler feel when by the water. The snowfall in February decreases to 3mm (0.12"). Weather in February »Weather in March
With the arrival of March in Yokkaichi, the weather begins to pivot toward spring. Visibility remains consistent at 9km (5.6mi), allowing for excellent views of the cityscape on clear days. Notably, March experiences a substantial increase in rainfall, with an accumulation of 21mm (0.83") throughout the month. Weather in March »Weather in April
April brings the true spirit of spring to Yokkaichi with noticeably warmer temperatures compared to the preceding months. It's also the first month where there's no snowfall, indicating a shift into the new season. Although average rainfall increases to 31mm (1.22"), it's the beautiful spring blossom that takes center stage in April. Weather in April »Weather in May
Measured by thermal standards, the city of Yokkaichi rings in the summer season with temperatures reaching as high as 22.6°C (72.7°F) in May. Sun worshippers savor the increasing daylight hours, enabling more opportunities for outdoor activities. Weather in May »Weather in June
The Yokkaichi weather in June becomes decidedly summery, characterized by high temperatures and increased humidity. A substantial jump in average rainfall to 53mm (2.09") marks June as the beginning of the wetter part of the year. Weather in June »Weather in July
July invites the summer peak in Yokkaichi, with temperatures soaring to an average high of 29.3°C (84.7°F). The UV index jumps to its maximum, at 7, indicating a need for sun protection. July is also the wettest month, with an average rainfall of 74mm (2.91"), highest throughout the year. Weather in July »Weather in August
August carries forward the intense summer weather from July in Yokkaichi. Comparatively, the sea temperature reaches its zenith with a warm 27.1°C (80.8°F). Rainfall reduces slightly to 47mm (1.85"), providing some respite. Despite the high temperatures, residents still benefit from approximately 9.6 hours of daily sunshine at this time of year. Weather in August »Weather in September
As summer departs, Yokkaichi welcomes the fall season with a noticeable dip in average temperatures. The reduction in rainfall to 38mm (1.5") comes as a relief after several wet, humid months. Interestingly, daily sunshine hours drop, adding to the fall ambiance. Weather in September »Weather in October
In Yokkaichi, October signals the height of the fall season with a significant drop in temperatures. Sea temperatures recede to 23.4°C (74.1°F) signaling a change in seasons. The decrease in daylight hours keeps in pace with the ongoing seasonal transition. Weather in October »Weather in November
The last month of the autumn, November, is refreshing month in Yokkaichi, Japan, with an average temperature ranging between max 15.3°C (59.5°F) and min 8.7°C (47.7°F). The shift from October to November involves a decrease in the average high-temperature, from an agreeable 21°C (69.8°F) to a refreshing 15.3°C (59.5°F). Weather in November »Weather in December
The closing month of the year brings a return to colder temperatures in Yokkaichi. A recrudescence of snowfall, with 4mm (0.16") accumulating, reaffirms the onset of winter. Despite the drop in the minimum temperature, the relative humidity remains steady throughout the month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Yokkaichi, Japan
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (6.9°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 (1.3°C).
Average pressure
Yokkaichi, Japan
- Average pressure in January:
1018.9mbar - Average pressure in February:
1019.2mbar - Average pressure in March:
1017.1mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1009mbar
- Average pressure in July:
1009.6mbar - Average pressure in August:
1010mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1019.3mbar - Average pressure in December:
1018.7mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed
Yokkaichi, Japan
- Average wind speed in January:
10.3km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
9.6km/h - Average wind speed in April:
9.3km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
7km/h
- Average wind speed in July:
6.6km/h - Average wind speed in August:
7.1km/h - Average wind speed in September:
7.6km/h - Average wind speed in October:
8.2km/h - Average wind speed in November:
8.1km/h - Average wind speed in December:
10.1km/h
The windiest month (with the highest average wind speed) is January (10.3km/h).
The calmest month (with the lowest average wind speed) is July (6.6km/h).
Average humidity
Yokkaichi, Japan
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (73%).
Average rainfall
Yokkaichi, Japan
The wettest month (with the highest rainfall) is July (74mm).
The driest months (with the least rainfall) are January and November (9mm).
Average rainfall days
Yokkaichi, Japan
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
9.9 days - Average rainfall days in May:
9.5 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
6 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (6 days).
Average snowfall
Yokkaichi, Japan
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Yokkaichi, Japan
- Average snowfall days in January:
2.8 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
0.4 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:
0.8 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Yokkaichi, Japan
The best month for swimming (with the highest average sea temperature) is August (27.1°C).
The coldest months (with the lowest average sea temperature) are February and March (14.6°C).
Average daylight / Average sunshine
Yokkaichi, 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 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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 54min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 0min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
8h and 6min - Average sunshine in August:
9h and 36min - Average sunshine in September:
7h and 42min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days
Yokkaichi, Japan
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
18 days - Average sunshine days in May:
19.1 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is July (10.1 days).
Average UV index
Yokkaichi, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Yokkaichi, Japan
The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is November (Cloud cover 36).
Average visibility
Yokkaichi, Japan
The months with the highest visibility are January, February, March, November and December (9km).
The month with the lowest visibility is July (7km).





