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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Tetaru, Japan, is another cold winter month, with an average temperature fluctuating between 3.8°C (38.8°F) and -0.8°C (30.6°F). Tetaru's coldest month, January, generally records average temperatures ranging from a high of 3.8°C (38.8°F) to a low of -0.8°C (30.6°F). Weather in January »
Weather in February
February, the last month of the winter in Tetaru, is also a wintry month, with an average temperature fluctuating between -1°C (30.2°F) and 4.6°C (40.3°F). February registers an average high-temperature of a still cold 4.6°C (40.3°F), slightly varied from January's 3.8°C (38.8°F). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Tetaru, Japan, with temperature in the range of an average high of 8.8°C (47.8°F) and an average low of 2.1°C (35.8°F). Tetaru's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's icy 4.6°C (40.3°F) to a chilly 8.8°C (47.8°F). Weather in March »
Weather in April
April in Tetaru, Japan, is a mild spring month, with temperature in the range of an average high of 13.8°C (56.8°F) and an average low of 6.7°C (44.1°F). April's onset is marked by a temperature increase, moving from a frosty 8.8°C (47.8°F) in March to a refreshing 13.8°C (56.8°F). Weather in April »
Weather in May
May, the last month of the spring in Tetaru, is a refreshing month, with temperature in the range of an average low of 12.1°C (53.8°F) and an average high of 19.8°C (67.6°F). The arrival of May brings an increase in high-temperatures, moving from a refreshing 13.8°C (56.8°F) in April to a comfortable 19.8°C (67.6°F). Weather in May »
Weather in June
June, the first month of the summer in Tetaru, is an agreeable month, with an average temperature varying between 22.7°C (72.9°F) and 15.9°C (60.6°F). Tetaru's weather in June, with an average high-temperature of a pleasant 22.7°C (72.9°F), subtly shifts from May's 19.8°C (67.6°F). Weather in June »
Weather in July
July in Tetaru, Japan, is a warm summer month, with temperature in the range of an average low of 20.2°C (68.4°F) and an average high of 26.3°C (79.3°F). July's arrival brings a modest temperature shift, moving from an agreeable 22.7°C (72.9°F) in June to a moderately hot 26.3°C (79.3°F). Weather in July »
Weather in August
August, the last month of the summer in Tetaru, is also a moderately hot month, with an average temperature varying between 21.7°C (71.1°F) and 27.7°C (81.9°F). August, recording an average high temperature of 27.7°C (81.9°F) and a low temperature of 21.7°C (71.1°F), is Tetaru's warmest month. During August, the heat index is estimated at a tropical 32°C (89.6°F). Weather in August »
Weather in September
September, the first month of the autumn in Tetaru, is also a moderately hot month, with an average temperature fluctuating between 24.1°C (75.4°F) and 18.5°C (65.3°F). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 27.7°C (81.9°F) to a still warm 24.1°C (75.4°F). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Tetaru, Japan, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 18.8°C (65.8°F). October shows a mild decline in the average high-temperature, falling from September's moderately hot 24.1°C (75.4°F) to a refreshing 18.8°C (65.8°F). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Tetaru, Japan, with temperature in the range of an average high of 13°C (55.4°F) and an average low of 7.2°C (45°F). Setting in of November comes with a decrease in the average high-temperature, moving from a refreshing 18.8°C (65.8°F) in October to a moderate 13°C (55.4°F). Weather in November »
Weather in December
December, the first month of the winter in Tetaru, is still a chilly month, with an average temperature varying between 2.2°C (36°F) and 6.9°C (44.4°F). With the onset of December, Tetaru experiences a modest temperature adjustment, with the average high-temperature receding from a refreshing 13°C (55.4°F) in November to a frosty 6.9°C (44.4°F). Weather in December »
Updated: Jul 8, 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
What time of the year is the coldest?
January tends to be the coldest month, with temperatures averaging a daily high of 3.8°C (38.8°F) and a low of -0.8°C (30.6°F).
How many days does it rain?
In Tetaru, during the entire year, the rain falls for 134.2 days and collects up to 724mm (28.5") of precipitation.
When does it snow?
January through April and December are months with snowfall in Tetaru.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 62mm (2.44") of snow.
How many days does it snow?
In Tetaru, during the entire year, snow falls for 24.2 days and aggregates up to 190mm (7.48") of snow.
What is the month with the least sunshine?
January and February, with an average of 5.2h of sunshine, are months with the least sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 7.3 days and typically collects 23mm (0.91") of precipitation.
What is the least humid month?
April is the least humid month, with an average relative humidity of 70%.
When it does not snow?
In Tetaru, snow does not fall in May through November.
What month has the most sunshine?
The month with the most sunshine is May, with an average of 9.5h of sunshine.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the most humid month?
With an average relative humidity of 83%, July is the most humid month.
What is the month with the highest UV index?
July and August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
Tetaru's warmest month, August, registers temperatures that range from a high of 27.7°C (81.9°F) to a low of 21.7°C (71.1°F).
What is the rainiest month?
October is the month with the most rainfall. Rain falls for 10 days and accumulates 105mm (4.13") of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Is there Daylight Saving Time (DST)?
Tetaru does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Tetaru, Japan
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure
Tetaru, Japan
- Average pressure in January:
1016.1mbar - Average pressure in February:
1017.6mbar - Average pressure in March:
1016mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1009.4mbar - Average pressure in August:
1010.1mbar - Average pressure in September:
1014mbar - Average pressure in October:
1017.5mbar - Average pressure in November:
1018.6mbar - Average pressure in December:
1016.1mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed
Tetaru, Japan
- Average wind speed in January:
15.4km/h - Average wind speed in February:
14.9km/h - Average wind speed in March:
14.5km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
12km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
9km/h - Average wind speed in August:
9.6km/h - Average wind speed in September:
10.9km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
15km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity
Tetaru, Japan
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Tetaru, Japan
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days
Tetaru, Japan
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
8.8 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
10 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Tetaru, Japan
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days
Tetaru, Japan
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Tetaru, Japan
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 3min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
8h and 3min - Average sunshine in August:
9h and 0min - Average sunshine in September:
7h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 2min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days
Tetaru, Japan
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
21.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index
Tetaru, Japan
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover
Tetaru, Japan
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility
Tetaru, Japan
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).
