December weather forecastHonjo, Japan

December

Weather in December

The first month of the winter, December, is also a frosty month in Honjo, Japan, with an average temperature varying between 1.1°C (34°F) and 7.5°C (45.5°F).

Temperature

December suggests a modest reduction in the average high-temperature, shifting from a mild 13.3°C (55.9°F) in November to a frosty 7.5°C (45.5°F). Honjo observes an average low-temperature of 1.1°C (34°F) during December nights.

Humidity

In December, the average relative humidity in Honjo is 65%.

Rainfall

In Honjo, in December, it is raining for 9.5 days, with typically 24mm (0.94") of accumulated precipitation. In Honjo, during the entire year, the rain falls for 187.8 days and collects up to 896mm (35.28") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Honjo. In Honjo, Japan, during December, snow falls for 1.6 days and regularly aggregates up to 8mm (0.31") of snow. Throughout the year, in Honjo, Japan, there are 12.7 snowfall days, and 108mm (4.25") of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December in Honjo, sunrise is at 06:35 and sunset at 16:28. On the last day of the month, sunrise is at 06:54 and sunset at 16:38 JST.

Sunshine

The average sunshine in December is 7h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

In Honjo, in December, the average high-temperature is 7.5°C (45.5°F), and the average low-temperature is 1.1°C (34°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 36°C (96.8°F).

The average relative humidity in December in Honjo is 65%.

In Honjo, in December, during 9.5 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

In Honjo, in December, snow falls for 1.6 days, with typically accumulated 8mm (0.31") of snow.

December has the shortest days of the year in Honjo, Japan, with an average of 9h and 42min of daylight.

The average day length in December in Honjo is 9h and 44min.

In December, on the first day of the month, sunrise is at 06:35 and sunset at 16:28. On the last day of the month, sunrise is at 06:54 and sunset at 16:38 JST.

In December, the average sunshine duration in Honjo, Japan, is 7h.

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Honjo, Japan

  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in December: 1.1°C

The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (-2°C).

Average pressure in December
Honjo, Japan

  • Average pressure in December: 1016.9mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in December
Honjo, Japan

  • Average wind speed in December: 9.3km/h

The windiest month (with the highest average wind speed) is January (10.2km/h).
The calmest month (with the lowest average wind speed) is July (5.7km/h).

Average humidity in December
Honjo, Japan

  • Average humidity in December: 65%

The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is January (64%).

Average rainfall in December
Honjo, Japan

  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is July (149mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in December
Honjo, Japan

  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (26.7 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in December
Honjo, Japan

  • Average snowfall in December: 8mm

The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Honjo, Japan

  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Honjo, Japan

  • Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is May (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in December
Honjo, Japan

  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (2.5 days).

Average UV index in December
Honjo, Japan

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Honjo, Japan

  • Average cloud cover in December: 25

The month with the most cloud cover is June (Cloud cover 45).
The months with the least cloud cover are January, November and December (Cloud cover 25).

Average visibility in December
Honjo, Japan

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).