December weather forecastGoga, Japan

December

Weather in December

The first month of the winter, December, is also an agreeable month in Goga, Japan, with an average temperature varying between 20.2°C (68.4°F) and 18.3°C (64.9°F).

Temperature

December ushers in a minor alteration in Goga's climate, with the average high-temperature moving from November's warm 23.6°C (74.5°F) to a pleasant 20.2°C (68.4°F). Goga documents an average low-temperature of 18.3°C (64.9°F) for the nights of December.

Humidity

In Goga, Japan, the average relative humidity in December is 73%.

Rainfall

In December, in Goga, the rain falls for 20.4 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 229 rainfall days, and 1489mm (58.62") of precipitation is accumulated.

Daylight

With an average of 10h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Goga, sunrise is at 06:59 and sunset at 17:34. On the last day of the month, sunrise is at 07:16 and sunset at 17:45 JST.

Sunshine

In Goga, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 4 in December transforms into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

The high-temperature, in December, in Goga, is 20.2°C (68.4°F), while the low-temperature averages to 18.3°C (64.9°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 34°C (93.2°F).

The average relative humidity in December in Goga, Japan, is 73%.

In December, the rain falls for 20.4 days. Throughout December, 78mm (3.07") of precipitation is accumulated.

December has the shortest days of the year in Goga, with an average of 10h and 30min of daylight.

In December, the average day length in Goga, Japan, is 10h and 30min.

In December, on the first day of the month, sunrise is at 06:59 and sunset at 17:34. On the last day of the month, in Goga, Japan, sunrise is at 07:16 and sunset at 17:45 JST.

The average sunshine duration in December is 4.2h.

The months with the lowest UV index in Goga, Japan, are January and December, with an average maximum UV index of 4.

The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Goga, Japan

  • Average high temperature in December: 20.2°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.6°C).

  • Average low temperature in December: 18.3°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure in December
Goga, Japan

  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

Average wind speed in December
Goga, Japan

  • Average wind speed in December: 25.7km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

Average humidity in December
Goga, Japan

  • Average humidity in December: 73%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in December
Goga, Japan

  • Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

Average rainfall days in December
Goga, Japan

  • Average rainfall days in December: 20.4 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

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

  • Average daylight in December: 10h and 30min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Goga, Japan

  • Average sunshine days in December: 7.1 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

Average UV index in December
Goga, Japan

  • Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in December
Goga, Japan

  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Goga, Japan

  • Average visibility in December: 10km

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