Climate and monthly weather forecast
Hayama, Japan

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Weather in January

January, like December, is a frosty winter month in Hayama, Japan, with an average temperature varying between 5.3°C (41.5°F) and 9.8°C (49.6°F). January, on average, is the coldest month, registering a high temperature of 9.8°C (49.6°F) and a low of 5.3°C (41.5°F). Weather in January »

Weather in February

February, the last month of the winter in Hayama, is a fresh month, with an average temperature fluctuating between 5.8°C (42.4°F) and 10.4°C (50.7°F). Hayama marks the arrival of February with an average high-temperature of a fresh 10.4°C (50.7°F), hardly different from January's 9.8°C (49.6°F). Weather in February »

Weather in March

March, the first month of the spring in Hayama, is a mild month, with temperature in the range of an average high of 13.3°C (55.9°F) and an average low of 8.1°C (46.6°F). Hayama's weather in March, with an average high-temperature of a mild 13.3°C (55.9°F), subtly shifts from February's 10.4°C (50.7°F). Weather in March »

Weather in April

April is a comfortable spring month in Hayama, Japan, with an average temperature ranging between max 17°C (62.6°F) and min 12.1°C (53.8°F). The arrival of April witnesses a small shift in the average high-temperature, moving from 13.3°C (55.9°F) in March to a still refreshing 17°C (62.6°F). Weather in April »

Weather in May

May, the last month of the spring in Hayama, is an agreeable month, with temperature in the range of an average low of 17°C (62.6°F) and an average high of 21.2°C (70.2°F). Hayama observes a slight ascent in average high-temperatures during May, adjusting from a comfortable 17°C (62.6°F) in April to an agreeable 21.2°C (70.2°F). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Hayama, Japan, with an average temperature fluctuating between 19.8°C (67.6°F) and 23.4°C (74.1°F). With the advent of June, Hayama's high-temperatures adjust to a moderately hot 23.4°C (74.1°F), closely aligning with the preceding month. Weather in June »

Weather in July

July, like June, in Hayama, Japan, is a moderately hot summer month, with an average temperature ranging between max 27.2°C (81°F) and min 23.4°C (74.1°F). Hayama experiences a minor temperature shift with the start of July, with average high-temperatures moving from a warm 23.4°C (74.1°F) in June to a still moderately hot 27.2°C (81°F). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hayama, Japan, with an average temperature ranging between min 25.3°C (77.5°F) and max 28.8°C (83.8°F). The warmest period tends to be August, when average temperatures fluctuate between a high of 28.8°C (83.8°F) and a low of 25.3°C (77.5°F). During August, the heat index is appraised at a hot 34°C (93.2°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hayama, Japan, with an average temperature varying between 26°C (78.8°F) and 22.3°C (72.1°F). September's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 26°C (78.8°F) from August's 28.8°C (83.8°F). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Hayama, Japan, with an average temperature varying between 17.9°C (64.2°F) and 21.7°C (71.1°F). Start of October brings a slight shift in the average high-temperature, dipping a bit from September's moderately hot 26°C (78.8°F) to an agreeable 21.7°C (71.1°F). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Hayama, Japan, with an average temperature fluctuating between 17.1°C (62.8°F) and 13.2°C (55.8°F). As November commences, the average high-temperature subtly reduces, transitioning from a pleasant 21.7°C (71.1°F) in October to a comfortable 17.1°C (62.8°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Hayama, Japan, with an average temperature varying between 12.5°C (54.5°F) and 8.4°C (47.1°F). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's comfortable 17.1°C (62.8°F) to a fresh 12.5°C (54.5°F). Weather in December »
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Frequently asked questions

What is the coldest time of year in Hayama?

In Hayama, Japan, the average lowest temperatures are observed in January, with a high of 9.8°C (49.6°F) and a low of 5.3°C (41.5°F).

What is the least humid month in Hayama?

The least humid month in Hayama is January, with an average relative humidity of 61%.

How many days does it rain in Hayama?

In Hayama, during the entire year, the rain falls for 150.9 days and collects up to 867mm (34.13") of precipitation.

When does it snow in Hayama?

Months with snowfall are January through March.

How many days does it snow in Hayama?

Throughout the year, in Hayama, there are 0.7 snowfall days, and 17mm (0.67") of snow is accumulated.

When is the lowest UV index in Hayama?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Hayama, Japan.

What is the driest month in Hayama?

The months with the least rainfall in Hayama are February and December Rain falls for 10 days and accumulates 39mm (1.54") of rain.

When does it snow the most in Hayama?

February is the month with the most snowfall in Hayama. Snow falls for 0.5 days and accumulates 10mm (0.39") of snow.

When is the sea coldest in Hayama?

February and March, with an average sea temperature of 16.2°C (61.2°F), are months with the coldest seawater in Hayama, Japan.

What is the month with the least sunshine in Hayama?

With an average of 5.5h of sunshine, February has the least sunshine of the year in Hayama, Japan.

When it does not snow in Hayama?

April through December are months without snowfall in Hayama, Japan.

When are the longest days in Hayama?

June has the longest days of the year, with an average of 14h and 30min of daylight.

What is the most humid month in Hayama?

With an average relative humidity of 83%, July is the most humid month in Hayama, Japan.

What is the month with the highest UV index in Hayama?

With an average maximum UV index of 7, July is the month with the highest UV index in Hayama, Japan.

What time of the year is the hottest in Hayama?

The warmest period tends to be August, when average temperatures fluctuate between a high of 28.8°C (83.8°F) and a low of 25.3°C (77.5°F).

When is the sea warmest in Hayama?

With an average sea temperature of 26.2°C (79.2°F), August is the month with the warmest seawater.

What month has the most sunshine in Hayama?

With an average of 10.7h of sunshine, August has the most sunshine of the year.

What is the rainiest month in Hayama?

October is the month with the most rainfall. Rain falls for 15.5 days and accumulates 119mm (4.69") of precipitation.

What is the month with the shortest days in Hayama?

December has the shortest days of the year in Hayama, Japan, with an average of 9h and 48min of daylight.

Is there Daylight Saving Time (DST) in Hayama?

Hayama does not utilize Daylight Saving Time (DST). JST timezone is used throughout the entire year.

Average temperature
Hayama, Japan

Average temperature - Hayama, Japan

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

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Average pressure
Hayama, Japan

Average pressure - Hayama, Japan

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

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Average wind speed
Hayama, Japan

Average wind speed - Hayama, Japan

The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).

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Average rainfall
Hayama, Japan

Average rainfall - Hayama, Japan

The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).

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Average rainfall days
Hayama, Japan

Average rainfall days - Hayama, Japan

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall
Hayama, Japan

Average snowfall - Hayama, Japan

The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days
Hayama, Japan

Average snowfall days - Hayama, Japan

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature
Hayama, Japan

Average sea temperature - Hayama, Japan

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest months (with the lowest average sea temperature) are February and March (16.2°C).

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Average daylight / Average sunshine
Hayama, Japan

Average daylight / Average sunshine - Hayama, Japan

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).

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days
Hayama, Japan

Average sunshine days - Hayama, Japan

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).

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Average visibility
Hayama, Japan

Average visibility - Hayama, Japan

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Hayama, Japan

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