Climate and monthly weather forecastTomari, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Tomari, Japan, is another subzero cold winter month, with an average temperature fluctuating between -8.3°C (17.1°F) and -3.8°C (25.2°F). The coldest period is January, when temperatures fluctuate between an average high of -3.8°C (25.2°F) and a low of -8.3°C (17.1°F). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Tomari, Japan, with an average temperature varying between -8.9°C (16°F) and -3.4°C (25.9°F). The onset of February brings with it an average high-temperature of a still freezing cold -3.4°C (25.9°F), showing a negligible variation from the month before. Weather in February »Weather in March
March, the first month of the spring in Tomari, is a cold month, with an average temperature ranging between min -5.3°C (22.5°F) and max 0.7°C (33.3°F). March brings a slight increase in the average high-temperature, progressing from a freezing cold -3.4°C (25.9°F) in February to an icy 0.7°C (33.3°F). Weather in March »Weather in April
April in Tomari, Japan, is a frosty spring month, with an average temperature fluctuating between 0.5°C (32.9°F) and 7.3°C (45.1°F). As Tomari, Japan, transitions into April, a rise in the average high-temperature is observed, moving from a wintry 0.7°C (33.3°F) in March to a chilly 7.3°C (45.1°F). Weather in April »Weather in May
May, the last month of the spring in Tomari, is a moderate month, with an average temperature ranging between min 6.2°C (43.2°F) and max 14.4°C (57.9°F). An escalation in the average high-temperature is seen with the onset of May, moving from a frosty 7.3°C (45.1°F) in April to a refreshing 14.4°C (57.9°F). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Tomari, Japan, with temperature in the range of an average high of 18.6°C (65.5°F) and an average low of 10.2°C (50.4°F). Tomari perceives a slight temperature ascent during June, with average high-temperatures adjusting from a mild 14.4°C (57.9°F) in May to a comfortable 18.6°C (65.5°F). Weather in June »Weather in July
July in Tomari, Japan, is an agreeable summer month, with an average temperature varying between 22.5°C (72.5°F) and 14.9°C (58.8°F). Tomari in July experiences a slight uptick in the average high-temperature, adjusting from June's refreshing 18.6°C (65.5°F) to a pleasant 22.5°C (72.5°F). Weather in July »Weather in August
August, the last month of the summer in Tomari, is a warm month, with an average temperature ranging between min 16.1°C (61°F) and max 23.3°C (73.9°F). With an average high-temperature of 23.3°C (73.9°F) and an average low-temperature of 16.1°C (61°F), August is the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Tomari, is also an enjoyable month, with temperature in the range of an average high of 19.6°C (67.3°F) and an average low of 12.3°C (54.1°F). Tomari's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 23.3°C (73.9°F) to a refreshing 19.6°C (67.3°F). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Tomari, Japan, with an average temperature varying between 12.6°C (54.7°F) and 5.9°C (42.6°F). With the onset of October, Tomari's average high-temperature adjusts, receding from September's comfortable 19.6°C (67.3°F) to a fresh 12.6°C (54.7°F). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Tomari, Japan, with an average temperature fluctuating between -0.3°C (31.5°F) and 4.9°C (40.8°F). A subtle decrease in the average high-temperature marks November, falling from October's fresh 12.6°C (54.7°F) to a wintry 4.9°C (40.8°F). Weather in November »Weather in December
December, the first month of the winter in Tomari, is also a subzero cold month, with an average temperature ranging between min -6°C (21.2°F) and max -1.6°C (29.1°F). Setting in of December comes with a decrease in the average high-temperature, moving from a wintry 4.9°C (40.8°F) in November to a freezing cold -1.6°C (29.1°F). Weather in December »Updated: Aug 20, 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
In Tomari, January is the month with the lowest recorded average temperatures, measuring a high of -3.8°C (25.2°F) and a low of -8.3°C (17.1°F).
The months with the highest humidity are January and February, with an average relative humidity of 89%.
In Tomari, during the entire year, the rain falls for 157.1 days and collects up to 887mm (34.92") of precipitation.
Months with snowfall are January through May, October through December.
In Tomari, during the entire year, snow falls for 120.8 days and aggregates up to 2288mm (90.08") of snow.
January has the least sunshine of the year, with an average of 1.4h of sunshine.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
With an average relative humidity of 79%, April is the least humid month.
The month with the least rainfall is April, when the rain falls for 14 days and typically collects 52mm (2.05") of precipitation.
The months with the most sunshine are May and August, with an average of 8.4h of sunshine.
In Tomari, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 18min of daylight.
July and August, with an average maximum UV index of 5, are months with the highest UV index.
In Tomari, August is the warmest month, with temperatures averaging a high of 23.3°C (73.9°F) and a low of 16.1°C (61°F).
August is the month with the most rainfall. Rain falls for 19.1 days and accumulates 105mm (4.13") of precipitation.
December is the month with the most snowfall in Tomari. Snow falls for 25.9 days and accumulates 598mm (23.54") of snow.
December has the shortest days of the year in Tomari, with an average of 9h and 6min of daylight.
Tomari does not utilize Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Tomari, Japan
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-3.8°C).
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).
Average pressure
Tomari, Japan
- Average pressure in January:
1013.7mbar - Average pressure in February:
1015.3mbar - Average pressure in March:
1013.7mbar - Average pressure in April:
1012.4mbar - Average pressure in May:
1010.3mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.4mbar - Average pressure in August:
1009.5mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1016.4mbar - Average pressure in December:
1013.4mbar
The month with the highest atmospheric pressure is November (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed
Tomari, Japan
- Average wind speed in January:
14.1km/h - Average wind speed in February:
13.9km/h - Average wind speed in March:
12.9km/h - Average wind speed in April:
12.6km/h - Average wind speed in May:
11.1km/h - Average wind speed in June:
8.8km/h
- Average wind speed in July:
8.2km/h - Average wind speed in August:
8km/h - Average wind speed in September:
9.6km/h - Average wind speed in October:
12.3km/h - Average wind speed in November:
12.7km/h - Average wind speed in December:
14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity
Tomari, Japan
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (79%).
Average rainfall
Tomari, Japan
The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days
Tomari, Japan
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
14 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
19.1 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
17.1 days - Average rainfall days in November:
13.9 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is January (3.4 days).
Average snowfall
Tomari, Japan
- Average snowfall in January:
493mm - Average snowfall in February:
421mm - Average snowfall in March:
347mm - Average snowfall in April:
115mm - Average snowfall in May:
5mm - Average snowfall in June:
0mm
The month with the highest snowfall is December (598mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Tomari, Japan
- Average snowfall days in January:
28.3 days - Average snowfall days in February:
24.3 days - Average snowfall days in March:
20.8 days - Average snowfall days in April:
6.8 days - Average snowfall days in May:
0.4 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:
1.3 days - Average snowfall days in November:
13 days - Average snowfall days in December:
25.9 days
The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Tomari, Japan
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - 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 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
1h and 24min - Average sunshine in February:
1h and 42min - Average sunshine in March:
3h and 54min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 24min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
7h and 12min - Average sunshine in August:
8h and 24min - Average sunshine in September:
7h and 36min - Average sunshine in October:
6h and 12min - Average sunshine in November:
3h and 12min - Average sunshine in December:
1h and 42min
The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days
Tomari, Japan
- Average sunshine days in January:
2.7 days - Average sunshine days in February:
3.5 days - Average sunshine days in March:
6.1 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
8.6 days - Average sunshine days in October:
10.2 days - Average sunshine days in November:
5.2 days - Average sunshine days in December:
3.1 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is January (2.7 days).
Average UV index
Tomari, Japan
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Tomari, Japan
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility
Tomari, Japan
The months with the highest visibility are April, May and October (9km).
The months with the lowest visibility are January, February, July, August and December (7km).
