December weather forecast
Fishers, IN

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Weather in December

December is marked by the harshest cold in Fishers, Indiana, with temperatures averaging between 27.7°F (-2.4°C) and 38.1°F (3.4°C). The city embraces the cold winter months, dressing up its streets with Christmas lights and decorations. Snow accumulates, creating a white, wintry blanket over the city, while the daylight hours decrease, giving way to longer nights. December is synonymous with the holiday season, and despite the harsh weather, there is a joyous spirit in the air. In the city's parks, one can spot children making snowmen, indulging in snow fights, and enjoying the winter season.

Temperature

December brings a drop in Fishers's average high-temperature, falling from a frosty 48.9°F (9.4°C) in November to a wintry 38.1°F (3.4°C). In the month of December, the nighttime temperature dips to a steady average of 27.7°F (-2.4°C).

Humidity

January and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Fishers, in December, it is raining for 8 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Fishers, there are 141 rainfall days, and 20.98" (533mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Fishers, Indiana, in December, during 6.4 snowfall days, 1.93" (49mm) of snow is typically accumulated. In Fishers, during the entire year, snow falls for 29.1 days and aggregates up to 7.99" (203mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December in Fishers, sunrise is at 7:47 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:29 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

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 minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

How cold does it get in Fishers in December?

An average high-temperature, in December, in Fishers, is 38.1°F (3.4°C) and the average low-temperature is 27.7°F (-2.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in July is estimated at 87.8°F (31°C).

What is the most humid month?

January and December, with an average relative humidity of 83%, are most humid months.

What is the average humidity in December?

In Fishers, the average relative humidity in December is 83%.

How much does it rain in December?

In Fishers, in December, during 8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How much does it snow in December?

In Fishers, during December, snow falls for 6.4 days and regularly aggregates up to 1.93" (49mm) of snow.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 23min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 5:19 pm. On the last day of the month, in Fishers, sunrise is at 8:05 am and sunset at 5:29 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

December is the month with the lowest UV index in Fishers, with an average maximum UV index of 1.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fishers, IN

Average temperature in December - Fishers, IN
  • Average high temperature in December: 38.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Fishers, IN

Average pressure in December - Fishers, IN
  • Average pressure in December: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Fishers, IN

Average wind speed in December - Fishers, IN
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in December
Fishers, IN

Average humidity in December - Fishers, IN
  • Average humidity in December: 83%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Fishers, IN

Average rainfall in December - Fishers, IN
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is February (1.18").

Average rainfall days in December
Fishers, IN

Average rainfall days in December - Fishers, IN
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6 days).

Average snowfall in December
Fishers, IN

Average snowfall in December - Fishers, IN
  • Average snowfall in December: 1.93"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Fishers, IN

Average snowfall days in December - Fishers, IN
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Fishers, IN

Average daylight in December / Average sunshine in December - Fishers, IN
  • 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 24min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Fishers, IN

Average sunshine days in December - Fishers, IN
  • Average sunshine days in December: 17.5 days

The months with the most sunshine days are October and November (18.7 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Fishers, IN

Average UV index in December - Fishers, 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
Fishers, IN

Average cloud cover in December - Fishers, IN
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Fishers, IN

Average visibility in December - Fishers, 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).

Fishers, Indiana, USA

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