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
The onset of December introduces a moderate change in Harpster's weather, with average high-temperatures falling from November's chilly 48.2°F (9°C) to an icy 37°F (2.8°C). Harpster experiences a nighttime temperature average of 27.5°F (-2.5°C) during December.Humidity
In Harpster, the average relative humidity in December is 83%.Rainfall
In Harpster, in December, during 11.2 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 171.5 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harpster are January through May, October through December. In Harpster, in December, during 11.3 snowfall days, 2.91" (74mm) of snow is typically accumulated. In Harpster, during the entire year, snow falls for 52.6 days and aggregates up to 14.37" (365mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Harpster.On the first day of the month, sunrise is at 7:38 am and sunset at 5:06 pm. On the last day of December, in Harpster, Ohio, sunrise is at 7:56 am and sunset at 5:15 pm EST.
Sunshine
In December, the average sunshine in Harpster is 3.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Harpster?
What is the average humidity in December in Harpster?
How much does it rain in Harpster in December?
How much does it snow in Harpster in December?
What is the month with the shortest days in Harpster?
What is the average length of the day in December in Harpster?
What time are sunrise and sunset in December in Harpster?
How many hours of sunshine does Harpster have in December?
When is the lowest UV index in Harpster?
What is the UV index reading in December in Harpster?
Average temperature in December
Harpster, OH
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Harpster, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Harpster, OH
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in December
Harpster, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Harpster, OH
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Harpster, OH
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Harpster, OH
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harpster, OH
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harpster, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Harpster, OH
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are February and May (9.3 days).
Average UV index in December
Harpster, OH
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Harpster, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Harpster, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Harpster, Ohio, USA
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