December weather forecastChikusei, Japan

December

Weather in December

December, the first month of the winter in Chikusei, is also a frosty month, with an average temperature varying between 9.6°C (49.3°F) and 3.4°C (38.1°F).

Temperature

Chikusei experiences a temperature shift at the start of December, with average high-temperatures adjusting from a moderate 15.4°C (59.7°F) in November to a chilly 9.6°C (49.3°F). In Chikusei, an average temperature of 3.4°C (38.1°F) is noted during December nights.

Humidity

In December, the average relative humidity is 64%.

Rainfall

The month with the least rainfall is December, when the rain falls for 7.5 days and typically collects 27mm (1.06") of precipitation.

Snowfall

April through October and December are months without snowfall.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Chikusei.
On the first day of December, sunrise is at 06:32 and sunset at 16:25. On the last day of the month, sunrise is at 06:51 and sunset at 16:35 JST.

Sunshine

In Chikusei, the average sunshine in December is 6.5h.

UV index

The months with the lowest UV index in Chikusei are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Chikusei, records 9.6°C (49.3°F), while the low-temperature is 3.4°C (38.1°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 41°C (105.8°F).

The average relative humidity in December in Chikusei is 64%.

December is the month with the least rainfall in Chikusei. Rain falls for 7.5 days and accumulates 27mm (1.06") of precipitation.

In Chikusei, Japan, in December, it is raining for 7.5 days, with typically 27mm (1.06") of accumulated precipitation.

April through October and December are months without snowfall.

In December, in Chikusei, Japan, it doesn't snow. November is the latest month when it typically snows.

The month with the shortest days in Chikusei is December, with an average of 9h and 42min of daylight.

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

In December, on the first day of the month, sunrise is at 06:32 and sunset at 16:25. On the last day of the month, in Chikusei, Japan, sunrise is at 06:51 and sunset at 16:35 JST.

In Chikusei, Japan, the average sunshine duration in December is 6.5h.

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

In Chikusei, Japan, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

15.4°C

9.6°C

7.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.8km/h

9.1km/h

9.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.4

22.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Chikusei, Japan

Average high temperature in December: 9.6°C

The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (7.4°C).

Average low temperature in December: 3.4°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).

Average pressure in December
Chikusei, Japan

Average pressure in December: 1016.4mbar

The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in December
Chikusei, Japan

Average wind speed in December: 8.2km/h

The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).

Average humidity in December
Chikusei, Japan

Average humidity in December: 64%

The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December
Chikusei, Japan

Average rainfall in December: 27mm

The wettest month (with the highest rainfall) is October (109mm).
The driest month (with the least rainfall) is December (27mm).

Average rainfall days in December
Chikusei, Japan

Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Chikusei, Japan

Average snowfall in December: 0mm

The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

Average snowfall days in December
Chikusei, Japan

Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (3.1 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
Chikusei, 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: 6h and 30min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

Average sunshine days in December
Chikusei, Japan

Average sunshine days in December: 22 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is July (7 days).

Average UV index in December
Chikusei, Japan

Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Chikusei, Japan

Average cloud cover in December: 28

The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in December
Chikusei, Japan

Average visibility in December: 10km

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