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
December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 42.8°F (6°C) to a freezing cold 31.1°F (-0.5°C). Throughout December, the average low-temperature in Hammond records at a still subzero cold 21.2°F (-6°C).Humidity
The average relative humidity in December in Hammond is 86%.Rainfall
In Hammond, in December, it is raining for 10.1 days, with typically 2.91" (74mm) of accumulated precipitation. In Hammond, during the entire year, the rain falls for 165 days and collects up to 32.24" (819mm) of precipitation.Snowfall
Months with snowfall in Hammond are January through May, October through December. In December, in Hammond, it is snowing for 16.9 days. Throughout December, 7.99" (203mm) of snow is accumulated. In Hammond, during the entire year, snow falls for 84.1 days and aggregates up to 38.86" (987mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Hammond.On the first day of December in Hammond, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:33 pm EST.
Sunshine
In December, the average sunshine in Hammond is 2.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Hammond in December?
What is the average humidity in December in Hammond?
How much does it rain in Hammond in December?
How many days does it snow in December in Hammond?
What is the month with the shortest days in Hammond?
What is the average length of the day in December in Hammond?
When are sunrise and sunset in December in Hammond?
How many hours of sunshine does Hammond have in December?
When is the lowest UV index in Hammond?
What is the UV index intensity in December in Hammond?
Average temperature in December
Hammond, NY
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Hammond, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hammond, NY
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Hammond, NY
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Hammond, NY
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Hammond, NY
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Hammond, NY
- Average snowfall in December: 7.99"
The month with the highest snowfall is January (9.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hammond, NY
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is January (20 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hammond, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Hammond, NY
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (7 days).
Average UV index in December
Hammond, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Hammond, NY
- Average cloud cover in December: 70
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Hammond, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Hammond, New York, USA
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