December weather forecast
Saitama, Japan

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Weather in December

Winter engulfs Saitama in December as minimum temperatures drop to 4.8°C (40.6°F). A remarkable decline in rainfall and a boost in visibility define the atmospheric characteristics. Although snowfall is minimal, early winter scenes unfurl across the city with occasional white highlights. Decreasing sunshine hours cast noticeable changes, hinting at the heart of winter around the bend. Despite the bracing wind blowing through the city streets, December's weather creates a festive fervor that is a quintessential part of Saitama's end-of-year celebrations.

Temperature

A subtle decrease in the average high-temperature marks December in Saitama, falling from November's comfortable 16.2°C (61.2°F) to a cool 10.6°C (51.1°F). Saitama reports an average nighttime low-temperature of 4.8°C (40.6°F) in December.

Humidity

The average relative humidity in December in Saitama is 62%.

Rainfall

December is the month with the least rainfall in Saitama. Rain falls for 6.2 days and accumulates 19mm (0.75") of precipitation.

Snowfall

April through October and December are months without snowfall in Saitama.

Daylight

The month with the shortest days in Saitama is December, with an average of 9h and 48min of daylight.
On the first day of December in Saitama, Japan, sunrise is at 06:33 and sunset at 16:27. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.

Sunshine

The average sunshine in December is 6.4h.

UV index

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 3 transforms into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the temperature in December in Saitama?

December temperatures in Saitama vary between a high-temperature of 10.6°C (51.1°F) and a low-temperature of 4.8°C (40.6°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is estimated at 30°C (86°F).

What is the average humidity in December in Saitama?

The average relative humidity in December in Saitama is 62%.

What is the driest month in Saitama?

The month with the least rainfall is December, when the rain falls for 6.2 days and typically collects 19mm (0.75") of precipitation.

How much does it rain in Saitama in December?

In Saitama, Japan, in December, it is raining for 6.2 days, with typically 19mm (0.75") of accumulated precipitation.

When it does not snow in Saitama?

April through October and December are months without snowfall in Saitama, Japan.

Does it snow in Saitama in December?

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

What is the month with the shortest days in Saitama?

The month with the shortest days in Saitama is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Saitama have in December?

The average day length in December in Saitama, Japan, is 9h and 47min.

What time are sunrise and sunset in December in Saitama?

On the first day of December, sunrise is at 06:33 and sunset at 16:27. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.

How many hours of sunshine does Saitama have in December?

The average sunshine duration in December in Saitama, Japan, is 6.4h.

What is the UV index reading in December in Saitama?

In Saitama, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Saitama, Japan

Average temperature in December - Saitama, Japan
  • Average high temperature in December: 10.6°C

The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in December: 4.8°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in December
Saitama, Japan

Average pressure in December - Saitama, Japan
  • Average pressure in December: 1016.4mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Saitama, Japan

Average wind speed in December - Saitama, Japan
  • Average wind speed in December: 11km/h

The windiest month (with the highest average wind speed) is April (12.6km/h).
The calmest month (with the lowest average wind speed) is November (9.7km/h).

Average humidity in December
Saitama, Japan

Average humidity in December - Saitama, Japan
  • Average humidity in December: 62%

The month with the highest relative humidity is July (75%).
The month with the lowest relative humidity is January (59%).

Average rainfall in December
Saitama, Japan

Average rainfall in December - Saitama, Japan
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is December (19mm).

Average rainfall days in December
Saitama, Japan

Average rainfall days in December - Saitama, Japan
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in December
Saitama, Japan

Average snowfall in December - Saitama, Japan
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

Average snowfall days in December
Saitama, Japan

Average snowfall days in December - Saitama, Japan
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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

Average daylight in December / Average sunshine in December - Saitama, Japan
  • Average daylight in December: 9h and 5min

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 48min).

  • Average sunshine in December: 6h and 2min

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

Average sunshine days in December
Saitama, Japan

Average sunshine days in December - Saitama, Japan
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is January (26 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in December
Saitama, Japan

Average UV index in December - Saitama, Japan
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Saitama, Japan

Average cloud cover in December - Saitama, Japan
  • Average cloud cover in December: 28

The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in December
Saitama, Japan

Average visibility in December - Saitama, Japan
  • Average visibility in December: 10km

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

Saitama, Japan

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