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 brings a drop in Hiram's average high-temperature, falling from a frosty 43.3°F (6.3°C) in November to a subzero cold 31.8°F (-0.1°C). December brings an average low-temperature of 21.2°F (-6°C) to Hiram.Humidity
In Hiram, the average relative humidity in December is 80%.Rainfall
In Hiram, in December, during 9.7 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, in Hiram, there are 137 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hiram are January through May, October through December. In Hiram, in December, during 9.3 snowfall days, 6.38" (162mm) of snow is typically accumulated. In Hiram, Maine, during the entire year, snow falls for 49.1 days and aggregates up to 38.7" (983mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:58 am and sunset at 4:07 pm. On the last day of December, in Hiram, Maine, sunrise is at 7:17 am and sunset at 4:15 pm EST.
Sunshine
In December, the average sunshine is 4.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Hiram?
What is the average humidity in December in Hiram?
How much does it rain in Hiram in December?
How much does it snow in Hiram in December?
What is the month with the shortest days in Hiram?
How many hours of daylight does Hiram have in December?
When is the sunrise / sunset in December in Hiram?
How long on average sun shines in December in Hiram?
How high is the UV index in December in Hiram?
Average temperature in December
Hiram, ME
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Hiram, ME
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hiram, ME
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Hiram, ME
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May and November (77%).
Average rainfall in December
Hiram, ME
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Hiram, ME
- Average rainfall days in December: 9.7 days
The months with the highest number of rainy days are April and July (14.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Hiram, ME
- Average snowfall in December: 6.38"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hiram, ME
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hiram, ME
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Hiram, ME
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Hiram, ME
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Hiram, ME
- Average cloud cover in December: 48
The months with the most cloud cover are March and April (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Hiram, ME
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Hiram, Maine, USA
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