Climate and monthly weather forecastYachimata, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Yachimata, Japan, is a frosty winter month, with an average temperature ranging between max 9.3°C (48.7°F) and min 4.2°C (39.6°F). With average high temperatures of 9.3°C (48.7°F) and lows of 4.2°C (39.6°F), January is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Yachimata, is another chilly month, with an average temperature fluctuating between 4.8°C (40.6°F) and 9.9°C (49.8°F). The advent of February signifies a minor shift to an average high-temperature of a still chilly 9.9°C (49.8°F), aligning closely with January. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Yachimata, Japan, with an average temperature ranging between min 7.3°C (45.1°F) and max 13°C (55.4°F). Yachimata's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's chilly 9.9°C (49.8°F) to a mild 13°C (55.4°F). Weather in March »Weather in April
April in Yachimata, Japan, is a refreshing spring month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 17.2°C (63°F). In April, the meteorological conditions subtly change with the average high-temperature edging from a refreshing 13°C (55.4°F) in March to an enjoyable 17.2°C (63°F). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Yachimata, Japan, with an average temperature varying between 21.8°C (71.2°F) and 16.4°C (61.5°F). Yachimata in May observes a minor temperature shift, with average high-temperatures adjusting from a comfortable 17.2°C (63°F) in April to a pleasant 21.8°C (71.2°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Yachimata, Japan, with an average temperature ranging between min 19.4°C (66.9°F) and max 24°C (75.2°F). As Yachimata steps into June, the average high-temperature is measured at a warm 24°C (75.2°F), displaying minor differences from May's 21.8°C (71.2°F). Weather in June »Weather in July
July, like June, in Yachimata, Japan, is a moderately hot summer month, with an average temperature fluctuating between 23.2°C (73.8°F) and 28°C (82.4°F). As July arrives, a slight rise in the average high-temperature is observed, moving from a warm 24°C (75.2°F) in June to a still moderately hot 28°C (82.4°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Yachimata, Japan, with an average temperature fluctuating between 24.9°C (76.8°F) and 29.9°C (85.8°F). Yachimata's August weather, marked by an average high temperature of 29.9°C (85.8°F) and an average low temperature of 24.9°C (76.8°F), is the warmest in the year. August's average heat index is computed to be a very hot 37°C (98.6°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Yachimata, Japan, with an average temperature varying between 22°C (71.6°F) and 26.4°C (79.5°F). Yachimata's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 29.9°C (85.8°F) to a still warm 26.4°C (79.5°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Yachimata, Japan, with an average temperature varying between 21.6°C (70.9°F) and 17.5°C (63.5°F). The shift from September to October includes a small decrease in the average high-temperature, from a moderately hot 26.4°C (79.5°F) to an agreeable 21.6°C (70.9°F). Weather in October »Weather in November
November, the last month of the autumn in Yachimata, is another refreshing month, with an average temperature ranging between min 12.4°C (54.3°F) and max 16.7°C (62.1°F). Yachimata experiences a moderate temperature shift at the start of November, with average high-temperatures adjusting a bit from a pleasant 21.6°C (70.9°F) in October to a refreshing 16.7°C (62.1°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Yachimata, Japan, with an average temperature ranging between max 11.7°C (53.1°F) and min 7.2°C (45°F). The shift from November to December corresponds with a decrease in the average high-temperature, down to a cool 11.7°C (53.1°F) from a comfortable 16.7°C (62.1°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Yachimata, Japan
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (9.3°C).
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure
Yachimata, Japan
- Average pressure in January:
1015.8mbar - Average pressure in February:
1016.8mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1010.1mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1016.5mbar - Average pressure in November:
1017.9mbar - Average pressure in December:
1015.9mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed
Yachimata, Japan
- Average wind speed in January:
16.5km/h - Average wind speed in February:
17.4km/h - Average wind speed in March:
17.7km/h - Average wind speed in April:
17.4km/h - Average wind speed in May:
15.2km/h - Average wind speed in June:
13.4km/h
- Average wind speed in July:
14.7km/h - Average wind speed in August:
14km/h - Average wind speed in September:
14.4km/h - Average wind speed in October:
15.7km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
15.7km/h
The windiest month (with the highest average wind speed) is March (17.7km/h).
The calmest month (with the lowest average wind speed) is June (13.4km/h).
Average humidity
Yachimata, Japan
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is January (61%).
Average rainfall
Yachimata, Japan
The wettest month (with the highest rainfall) is October (149mm).
The driest month (with the least rainfall) is January (50mm).
Average rainfall days
Yachimata, Japan
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
13.2 days - Average rainfall days in March:
17.8 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
19.2 days
- Average rainfall days in July:
18.9 days - Average rainfall days in August:
17.6 days - Average rainfall days in September:
18.5 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
14.9 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Yachimata, Japan
The month with the highest snowfall is February (17mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Yachimata, Japan
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
0.3 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:
0.2 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Yachimata, 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 18min - 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 48min
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 48min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 12min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
9h and 6min - Average sunshine in August:
10h and 18min - Average sunshine in September:
7h and 42min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days
Yachimata, Japan
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
11 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
7.9 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
7.9 days - Average sunshine days in October:
9.5 days - Average sunshine days in November:
13.3 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is January (18.8 days).
The months with the least sunshine days are June and September (7.9 days).
Average UV index
Yachimata, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover
Yachimata, Japan
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility
Yachimata, Japan
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).





