Climate and monthly weather forecastTatsumi, Japan
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Tatsumi, Japan, with an average temperature fluctuating between 3°C (37.4°F) and 8.8°C (47.8°F). January proves to be the coldest month, recording an average maximum temperature of 8.8°C (47.8°F) and a minimum temperature of 3°C (37.4°F). Weather in January »Weather in February
February, the last month of the winter in Tatsumi, is also a frosty month, with temperature in the range of an average high of 9.8°C (49.6°F) and an average low of 3.7°C (38.7°F). February's onset brings an average high-temperature of a still frosty 9.8°C (49.6°F), showing a minute difference from January's 8.8°C (47.8°F). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Tatsumi, Japan, with an average temperature fluctuating between 12.9°C (55.2°F) and 6.3°C (43.3°F). March's onset brings a subtle temperature rise, moving from a frosty 9.8°C (49.6°F) in February to a cool 12.9°C (55.2°F). Weather in March »Weather in April
April in Tatsumi, Japan, is a comfortable spring month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 17.6°C (63.7°F). April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's fresh 12.9°C (55.2°F) to a comfortable 17.6°C (63.7°F). Weather in April »Weather in May
May, the last month of the spring in Tatsumi, is a pleasant month, with an average temperature fluctuating between 16.1°C (61°F) and 22.7°C (72.9°F). The transition to May introduces an increase in the average high-temperature, shifting from a refreshing 17.6°C (63.7°F) in April to an agreeable 22.7°C (72.9°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Tatsumi, Japan, with an average temperature fluctuating between 19.3°C (66.7°F) and 24.8°C (76.6°F). Tatsumi's June reports an average high-temperature of a warm 24.8°C (76.6°F), exhibiting a minor difference from May. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Tatsumi, Japan, with an average temperature fluctuating between 23.2°C (73.8°F) and 28.8°C (83.8°F). The onset of July marks a slight increase in the average high-temperature, moving from a moderately hot 24.8°C (76.6°F) in June to a still warm 28.8°C (83.8°F). Weather in July »Weather in August
August, the last month of the summer in Tatsumi, is a tropical month, with an average temperature varying between 30.6°C (87.1°F) and 24.9°C (76.8°F). Temperature readings reach their annual highs in August, averaging 30.6°C (87.1°F) and a minimum average of 24.9°C (76.8°F). The heat index for August is appraised at a very hot 38°C (100.4°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Tatsumi, Japan, with an average temperature varying between 21.3°C (70.3°F) and 26.7°C (80.1°F). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's hot 30.6°C (87.1°F) to a warm 26.7°C (80.1°F). Weather in September »Weather in October
October, the same as September, in Tatsumi, Japan, is an agreeable autumn month, with an average temperature fluctuating between 16.4°C (61.5°F) and 21.5°C (70.7°F). The arrival of October corresponds with a temperature reduction, down from September's moderately hot 26.7°C (80.1°F) to an agreeable 21.5°C (70.7°F). Weather in October »Weather in November
November, the last month of the autumn in Tatsumi, is also an enjoyable month, with an average temperature fluctuating between 16.5°C (61.7°F) and 10.9°C (51.6°F). Welcoming November, Tatsumi observes a shift in the average high-temperature, falling from October's agreeable 21.5°C (70.7°F) to a refreshing 16.5°C (61.7°F). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Tatsumi, Japan, with temperature in the range of an average high of 11.2°C (52.2°F) and an average low of 5.9°C (42.6°F). The onset of December brings a small change in high-temperatures, falling from an enjoyable 16.5°C (61.7°F) in November to a fresh 11.2°C (52.2°F). 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
With average temperatures fluctuating between a high of 8.8°C (47.8°F) and a low of 3°C (37.4°F), January stands out as the coldest month.
The least humid month in Tatsumi, Japan, is January, with an average relative humidity of 60%.
Throughout the year, in Tatsumi, there are 124.5 rainfall days, and 353mm (13.9") of precipitation is accumulated.
Months with snowfall in Tatsumi, Japan, are January and February.
In Tatsumi, during the entire year, snow falls for 2.1 days and aggregates up to 5mm (0.2") of snow.
The month with the lowest UV index in Tatsumi is January, with an average maximum UV index of 2.
February is the month with the least rainfall in Tatsumi, Japan. Rain falls for 6.1 days and accumulates 10mm (0.39") of precipitation.
February is the month with the most snowfall. Snow falls for 1.2 days and accumulates 4mm (0.16") of snow.
With an average of 5.7h of sunshine, February has the least sunshine of the year in Tatsumi.
In Tatsumi, snow does not fall in March through December.
June has the longest days of the year in Tatsumi, Japan, with an average of 14h and 30min of daylight.
July is the most humid month in Tatsumi, with an average relative humidity of 79%.
With an average maximum UV index of 7, July is the month with the highest UV index in Tatsumi.
With average temperatures fluctuating between a high of 30.6°C (87.1°F) and a low of 24.9°C (76.8°F), August stands out as the warmest month in Tatsumi, Japan.
The month with the most sunshine is August, with an average of 10.3h of sunshine.
The months with the most rainfall in Tatsumi, Japan, are September and October, with an average 48mm (1.89") of precipitation.
The month with the shortest days is December, with an average of 9h and 48min of daylight.
Tatsumi, Japan, does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Tatsumi, Japan
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°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 (3°C).
Average pressure
Tatsumi, Japan
- Average pressure in January:
1016.1mbar - Average pressure in February:
1017.1mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1013.5mbar - Average pressure in October:
1016.6mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1016.2mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed
Tatsumi, Japan
- Average wind speed in January:
14.3km/h - Average wind speed in February:
15km/h - Average wind speed in March:
15.3km/h - Average wind speed in April:
15.6km/h - Average wind speed in May:
14km/h - Average wind speed in June:
12.4km/h
- Average wind speed in July:
13.4km/h - Average wind speed in August:
12.7km/h - Average wind speed in September:
12.5km/h - Average wind speed in October:
13.8km/h - Average wind speed in November:
12.3km/h - Average wind speed in December:
13.5km/h
The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).
Average humidity
Tatsumi, Japan
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall
Tatsumi, Japan
The wettest months (with the highest rainfall) are September and October (48mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days
Tatsumi, Japan
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Tatsumi, Japan
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Tatsumi, Japan
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.1 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 (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Tatsumi, 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 30min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 0min - Average sunshine in December:
6h and 12min
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 42min).
Average sunshine days
Tatsumi, Japan
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
20.1 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
18.5 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
24.3 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index
Tatsumi, Japan
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Tatsumi, Japan
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility
Tatsumi, 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).
