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 sea temperature 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
December involves a decrease in temperature, down from an enjoyable 16.4°C (61.5°F) in November to a cool 10.8°C (51.4°F). Hamamatsu indicates a consistently low-temperature of 5.9°C (42.6°F) during the nights of December.Humidity
In Hamamatsu, the average relative humidity in December is 69%.Rainfall
In December, in Hamamatsu, the rain falls for 7.8 days. Throughout December, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 160.9 rainfall days, and 1265mm (49.8") of precipitation is accumulated.Snowfall
In Hamamatsu, snow does not fall in January, March through December.Sea temperature
In Hamamatsu, in December, the average water temperature is 17.4°C (63.3°F).Note: The majority of individuals find swimming in 17.4°C (63.3°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:38 and sunset at 16:38. On the last day of December, in Hamamatsu, sunrise is at 06:56 and sunset at 16:48 JST.
Sunshine
In December, the average sunshine in Hamamatsu is 6.3h.UV index
In Hamamatsu, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 3 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the usual temperature for Hamamatsu in December?
What is the average humidity in December in Hamamatsu?
How much does it rain in Hamamatsu in December?
When it does not snow in Hamamatsu?
What is the sea water temperature in December in Hamamatsu?
What is the month with the shortest days in Hamamatsu?
How many hours of daylight does Hamamatsu have in December?
What time are sunrise and sunset in December in Hamamatsu?
How long on average sun shines in December in Hamamatsu?
What is the UV index reading in December in Hamamatsu?
Average temperature in December
Hamamatsu, Japan
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in December: 5.9°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).
Average pressure in December
Hamamatsu, Japan
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Hamamatsu, Japan
- Average wind speed in December: 21.6km/h
The windiest month (with the highest average wind speed) is January (22.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).
Average humidity in December
Hamamatsu, Japan
- Average humidity in December: 69%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
Hamamatsu, Japan
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is July (205mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in December
Hamamatsu, Japan
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Hamamatsu, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Hamamatsu, Japan
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Hamamatsu, Japan
- Average sea temperature in December: 17.4°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in December /
Average sunshine in December
Hamamatsu, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in December
Hamamatsu, Japan
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Hamamatsu, Japan
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Hamamatsu, Japan
- Average cloud cover in December: 28
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in December
Hamamatsu, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Hamamatsu, Japan
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