December weather forecastOmitama, Japan
December
Weather in December
December, the first month of the winter in Omitama, is still a cool month, with an average temperature fluctuating between 5.1°C (41.2°F) and 10.4°C (50.7°F).Temperature
December brings a drop in Omitama's average high-temperature, falling from a moderate 15.7°C (60.3°F) in November to a fresh 10.4°C (50.7°F). December brings with it a nighttime average temperature of 5.1°C (41.2°F).Humidity
In Omitama, the average relative humidity in December is 66%.Rainfall
In Omitama, Japan, in December, during 7.6 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Omitama, there are 156.4 rainfall days, and 728mm (28.66") of precipitation is accumulated.Snowfall
April through December are months without snowfall in Omitama.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 06:31 and sunset at 16:24. On the last day of the month, sunrise is at 06:49 and sunset at 16:33 JST.
Sunshine
In December, the average sunshine is 6.1h.UV index
In December, the average daily maximum UV index in Omitama is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Omitama, Japan
- Average high temperature in December: 10.4°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in December
Omitama, Japan
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Omitama, Japan
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is March (14.4km/h).
The calmest months (with the lowest average wind speed) are June and July (10.9km/h).
Average humidity in December
Omitama, Japan
- Average humidity in December: 66%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is January (62%).
Average rainfall in December
Omitama, Japan
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (99mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Omitama, Japan
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Omitama, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Omitama, Japan
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Omitama, 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 6min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are February and November (Average sunshine: 5h and 36min).
Average sunshine days in December
Omitama, Japan
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Omitama, 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
Omitama, Japan
- Average cloud cover in December: 32
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in December
Omitama, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are May, June, July, August and September (9km).
