December weather forecastAmboy, CA
December
Weather in December
The first month of the winter, December, is also a moderate month in Amboy, California, with an average temperature varying between 56.5°F (13.6°C) and 42.4°F (5.8°C).Temperature
The coldest month is December, with an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 42.4°F (5.8°C).Humidity
The most humid month is December, with an average relative humidity of 43%.Rainfall
In Amboy, in December, during 4.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 42.3 rainfall days, and 4.45" (113mm) of precipitation is accumulated.Snowfall
In Amboy, snow does not fall in January, March through December.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:32 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:43 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7.1h of sunshine.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Amboy, CA
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is July (98.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).
Average pressure in December
Amboy, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in December
Amboy, CA
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest months (with the lowest average wind speed) are August and September (6.2mph).
Average humidity in December
Amboy, CA
- Average humidity in December: 43%
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (20%).
Average rainfall in December
Amboy, CA
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Amboy, CA
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.1 days).
Average snowfall in December
Amboy, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Amboy, CA
- 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 daylight in December /
Average sunshine in December
Amboy, CA
- Average daylight in December: 9h and 54min
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: 7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Amboy, CA
- Average sunshine days in December: 25 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is July (20.4 days).
Average UV index in December
Amboy, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Amboy, CA
- Average cloud cover in December: 18
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in December
Amboy, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
