December weather forecastGuymard, NY
December
Weather in December
December, the first month of the winter in Guymard, is also an icy month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 37.8°F (3.2°C).Temperature
The arrival of December signals a shift in temperature, down from a chilly 47.7°F (8.7°C) in November to an icy 37.8°F (3.2°C). Guymard records a steady low-temperature average of 25.9°F (-3.4°C) during December.Humidity
December is the most humid month, with an average relative humidity of 83%.Rainfall
In Guymard, in December, during 10.5 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 153.7 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Guymard, it is snowing for 6.3 days. Throughout December, 3.78" (96mm) of snow is accumulated. In Guymard, during the entire year, snow falls for 32.5 days and aggregates up to 19.13" (486mm) of snow.Daylight
The month with the shortest days in Guymard is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:39 pm EST.
Sunshine
In Guymard, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guymard, NY
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Guymard, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Guymard, NY
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Guymard, NY
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Guymard, NY
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Guymard, NY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Guymard, NY
- Average snowfall in December: 3.78"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Guymard, NY
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Guymard, NY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Guymard, NY
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Guymard, NY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Guymard, NY
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Guymard, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





