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
In the transition to December, Speedway observes a drop in the average high-temperature, moving from a frosty 49.3°F (9.6°C) in November to an icy 38.3°F (3.5°C). Speedway's nighttime temperature in December drops to an average of 27.9°F (-2.3°C).Humidity
With an average relative humidity of 82%, December is the most humid month.Rainfall
In December, in Speedway, Indiana, the rain falls for 10.4 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Speedway, there are 163.9 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
Months with snowfall in Speedway, Indiana, are January through May, October through December. In Speedway, during December, snow falls for 8.6 days and regularly aggregates up to 2.56" (65mm) of snow. In Speedway, during the entire year, snow falls for 36.9 days and aggregates up to 10.12" (257mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in Speedway, Indiana, sunrise is at 7:47 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:30 pm EST.
Sunshine
In Speedway, the average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index, 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 the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold does it get in Speedway in December?
What is the most humid month in Speedway?
What is the average humidity in December in Speedway?
How much does it rain in Speedway in December?
How much does it snow in Speedway in December?
What is the month with the shortest days in Speedway?
What is the average length of the day in December in Speedway?
When is the sunrise / sunset in December in Speedway?
How many hours of sunshine does Speedway have in December?
What is the month with the lowest UV index in Speedway?
What is the UV index reading in December in Speedway?
Average temperature in December
Speedway, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Speedway, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Speedway, IN
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Speedway, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Speedway, IN
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in December
Speedway, IN
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Speedway, IN
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Speedway, IN
- Average snowfall days in December: 8.6 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
Speedway, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Speedway, IN
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Speedway, IN
- 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
Speedway, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Speedway, IN
- 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).
Speedway, Indiana, USA
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