Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Katsushima, the beginning of December is marked by a lowered average high-temperature, shifting from November's refreshing 16.5°C (61.7°F) to a cool 11.5°C (52.7°F). December in Katsushima generally records an average low-temperature of 6.4°C (43.5°F).Humidity
In December, the average relative humidity is 64%.Rainfall
December is the month with the least rainfall in Katsushima. Rain falls for 9.1 days and accumulates 36mm (1.42") of precipitation.Snowfall
In Katsushima, snow does not fall in April through December.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:50 and sunset at 16:37 JST.
Sunshine
The average sunshine in December in Katsushima is 6.1h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 3 in December translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Katsushima in December?
What is the average humidity in December in Katsushima?
What is the driest month in Katsushima?
How much does it rain in Katsushima in December?
When it does not snow in Katsushima?
Does it snow in Katsushima in December?
What is the month with the shortest days in Katsushima?
What is the average length of the day in December in Katsushima?
When is the sunrise / sunset in December in Katsushima?
How long on average sun shines in December in Katsushima?
What is the month with the lowest UV index in Katsushima?
What is the UV index reading in December in Katsushima?
Average temperature in December
Katsushima, Japan
- Average high temperature in December: 11.5°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 (8.9°C).
- Average low temperature in December: 6.4°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 (3.4°C).
Average pressure in December
Katsushima, Japan
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Katsushima, Japan
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in December
Katsushima, Japan
- Average humidity in December: 64%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Katsushima, Japan
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).
Average rainfall days in December
Katsushima, Japan
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Katsushima, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Katsushima, Japan
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Katsushima, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in December
Katsushima, Japan
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Katsushima, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Katsushima, Japan
- Average cloud cover in December: 32
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Katsushima, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Katsushima, Japan
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