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
With the onset of December, Ottawa Hills's average high-temperature adjusts, receding from November's frosty 46.9°F (8.3°C) to an icy 36.3°F (2.4°C). Throughout the month of December, Ottawa Hills reports a steady low-temperature average of 27°F (-2.8°C).Humidity
In Ottawa Hills, the average relative humidity in December is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.6 days and typically collects 0.63" (16mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Ottawa Hills, in December, snow falls for 8.5 days, with typically accumulated 0.98" (25mm) of snow. Throughout the year, in Ottawa Hills, there are 39.8 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:42 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:14 pm EST.
Sunshine
In Ottawa Hills, the average sunshine in December is 3.7h.UV index
The month with the lowest UV index in Ottawa Hills, Ohio, is 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 rays for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How much does it snow in Ottawa Hills in December?
What is the month with the shortest days?
How many hours of daylight does Ottawa Hills have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ottawa Hills, OH
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Ottawa Hills, OH
- Average pressure in December: 30.09"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
Ottawa Hills, OH
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Ottawa Hills, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Ottawa Hills, OH
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (1.81").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in December
Ottawa Hills, OH
- Average rainfall days in December: 7.6 days
The months with the highest number of rainy days are May and June (15.6 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Ottawa Hills, OH
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ottawa Hills, OH
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ottawa Hills, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Ottawa Hills, OH
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Ottawa Hills, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Ottawa Hills, 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 30).
Average visibility in December
Ottawa Hills, OH
- 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).
Ottawa Hills, Ohio, USA
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