Climate and monthly weather forecastMuroran, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Muroran, Japan, is a freezing cold winter month, with an average temperature ranging between min -6.3°C (20.7°F) and max -1.9°C (28.6°F). The coldest month is January, with an average high-temperature of -1.9°C (28.6°F) and an average low-temperature of -6.3°C (20.7°F). Weather in January »Weather in February
February, the last month of the winter in Muroran, is another freezing cold month, with an average temperature fluctuating between -1.6°C (29.1°F) and -7°C (19.4°F). As Muroran steps into February, the average high-temperature holds at a still freezing cold -1.6°C (29.1°F), hinting at a minor fluctuation from the prior month. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Muroran, Japan, with temperature in the range of an average high of 2°C (35.6°F) and an average low of -3.4°C (25.9°F). Muroran's transition into March sees a mild rise in the average high-temperature, edging from a subzero cold -1.6°C (29.1°F) in February to a cold 2°C (35.6°F). Weather in March »Weather in April
April is a frosty spring month in Muroran, Japan, with an average temperature ranging between max 7.8°C (46°F) and min 1.9°C (35.4°F). The start of April is characterized by an increase in the average high-temperature, transitioning from a cold 2°C (35.6°F) in March to a frosty 7.8°C (46°F). Weather in April »Weather in May
May, the last month of the spring in Muroran, is a mild month, with an average temperature ranging between min 7.2°C (45°F) and max 13.7°C (56.7°F). With the onset of May, the average high-temperature slightly shifts from April's chilly 7.8°C (46°F) to a refreshing 13.7°C (56.7°F). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Muroran, Japan, with an average temperature varying between 17.5°C (63.5°F) and 11.3°C (52.3°F). The shift into June is marked by a modest rise in the average high-temperature, moving from May's mild 13.7°C (56.7°F) to a comfortable 17.5°C (63.5°F). Weather in June »Weather in July
July is a pleasant summer month in Muroran, Japan, with an average temperature varying between 21.3°C (70.3°F) and 16°C (60.8°F). July's arrival brings a modest temperature shift, moving from a refreshing 17.5°C (63.5°F) in June to an agreeable 21.3°C (70.3°F). Weather in July »Weather in August
August, the last month of the summer in Muroran, is a warm month, with an average temperature ranging between max 23°C (73.4°F) and min 17.8°C (64°F). Muroran's warmest temperatures are experienced in August, with average high temperatures of 23°C (73.4°F) and lows of 17.8°C (64°F). Weather in August »Weather in September
September, the first month of the autumn in Muroran, is still a pleasant month, with an average temperature ranging between max 20.2°C (68.4°F) and min 14.4°C (57.9°F). September experiences an average high-temperature of an agreeable 20.2°C (68.4°F), barely different from August's 23°C (73.4°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Muroran, Japan, with an average temperature varying between 8.3°C (46.9°F) and 13.8°C (56.8°F). October brings a decrease in the average high-temperature, shifting from a pleasant 20.2°C (68.4°F) in September to a moderate 13.8°C (56.8°F). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Muroran, Japan, with an average temperature ranging between min 2.1°C (35.8°F) and max 7°C (44.6°F). In Muroran, the average high-temperature in November decreases from a mild 13.8°C (56.8°F) in October to a frosty 7°C (44.6°F). Weather in November »Weather in December
December, the first month of the winter in Muroran, is still a cold month, with an average temperature varying between -4°C (24.8°F) and 0.5°C (32.9°F). The average high-temperature decreases in December, shifting from a chilly 7°C (44.6°F) in November to a wintry 0.5°C (32.9°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Muroran, Japan
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (-1.9°C).
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-7°C).
Average pressure
Muroran, Japan
- Average pressure in January:
1013.8mbar - Average pressure in February:
1015.5mbar - Average pressure in March:
1013.9mbar - Average pressure in April:
1012.7mbar - Average pressure in May:
1010.6mbar - Average pressure in June:
1008.9mbar
- Average pressure in July:
1008.7mbar - Average pressure in August:
1009.7mbar - Average pressure in September:
1013.6mbar - Average pressure in October:
1016.4mbar - Average pressure in November:
1016.6mbar - Average pressure in December:
1013.7mbar
The month with the highest atmospheric pressure is November (1016.6mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed
Muroran, Japan
- Average wind speed in January:
18.2km/h - Average wind speed in February:
17.1km/h - Average wind speed in March:
15.8km/h - Average wind speed in April:
14.4km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
10.7km/h
- Average wind speed in July:
10.2km/h - Average wind speed in August:
10.9km/h - Average wind speed in September:
12km/h - Average wind speed in October:
15.4km/h - Average wind speed in November:
16.9km/h - Average wind speed in December:
19.2km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).
Average humidity
Muroran, Japan
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is October (77%).
Average rainfall
Muroran, Japan
The wettest month (with the highest rainfall) is August (115mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days
Muroran, Japan
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
19.7 days - Average rainfall days in September:
15.6 days - Average rainfall days in October:
16 days - Average rainfall days in November:
16 days - Average rainfall days in December:
12.7 days
The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is February (8.4 days).
Average snowfall
Muroran, Japan
The month with the highest snowfall is February (218mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Muroran, Japan
- Average snowfall days in January:
22.8 days - Average snowfall days in February:
20.2 days - Average snowfall days in March:
15 days - Average snowfall days in April:
4 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:
0.4 days - Average snowfall days in November:
7.2 days - Average snowfall days in December:
19.4 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Muroran, Japan
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
2h and 48min - Average sunshine in March:
5h and 6min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 6min - Average sunshine in June:
7h and 18min
- Average sunshine in July:
6h and 48min - Average sunshine in August:
7h and 42min - Average sunshine in September:
7h and 30min - Average sunshine in October:
6h and 42min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 18min
The month with the most sunshine is April (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days
Muroran, Japan
- Average sunshine days in January:
5.4 days - Average sunshine days in February:
6 days - Average sunshine days in March:
7.8 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
8.1 days - Average sunshine days in September:
10.4 days - Average sunshine days in October:
11.6 days - Average sunshine days in November:
8.4 days - Average sunshine days in December:
4.4 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is December (4.4 days).
Average UV index
Muroran, Japan
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Muroran, Japan
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is October (Cloud cover 40).
Average visibility
Muroran, Japan
The months with the highest visibility are March, April, May, September, October and November (9km).
The month with the lowest visibility is July (7km).





