December weather forecast
Wapello, IA

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Weather in December

December, the first month of the winter in Wapello, is also an icy month, with an average temperature fluctuating between 35.4°F (1.9°C) and 24.6°F (-4.1°C).

Temperature

Transition into December marks a drop in the average high-temperature, moving from a chilly 47.5°F (8.6°C) in November to a wintry 35.4°F (1.9°C). Wapello registers a consistent average low-temperature of 24.6°F (-4.1°C) during December.

Humidity

In December, the average relative humidity in Wapello is 80%.

Rainfall

The month with the least rainfall is December, when the rain falls for 7.7 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

Months with snowfall in Wapello are January through April, October through December. In Wapello, in December, snow falls for 7.1 days, with typically accumulated 1.93" (49mm) of snow. In Wapello, during the entire year, snow falls for 34.1 days and aggregates up to 14.69" (373mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:46 pm CST.

Sunshine

In Wapello, the average sunshine in December is 4.6h.

UV index

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Wapello?

In Wapello, in December, the average high-temperature is 35.4°F (1.9°C), and the average low-temperature is 24.6°F (-4.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is estimated at 86°F (30°C).

What is the average humidity in December in Wapello?

The average relative humidity in December in Wapello is 80%.

What is the driest month in Wapello?

December is the month with the least rainfall. Rain falls for 7.7 days and accumulates 1.42" (36mm) of precipitation.

How many days does it rain in December in Wapello?

In Wapello, in December, it is raining for 7.7 days, with typically 1.42" (36mm) of accumulated precipitation.

How much does it snow in Wapello in December?

In December, in Wapello, it is snowing for 7.1 days. Throughout December, 1.93" (49mm) of snow is accumulated.

What is the month with the shortest days in Wapello?

December has the shortest days of the year in Wapello, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Wapello?

In Wapello, the average day length in December is 9h and 16min.

What time are sunrise and sunset in December in Wapello?

On the first day of December in Wapello, Iowa, sunrise is at 7:11 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:46 pm CST.

How long on average sun shines in December in Wapello?

In Wapello, the average sunshine duration in December is 4.6h.

What is the UV index intensity in December in Wapello?

In Wapello, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Wapello, IA

Average temperature in December - Wapello, IA
  • Average high temperature in December: 35.4°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in December: 24.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in December
Wapello, IA

Average pressure in December - Wapello, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Wapello, IA

Average wind speed in December - Wapello, IA
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in December
Wapello, IA

Average humidity in December - Wapello, IA
  • Average humidity in December: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Wapello, IA

Average rainfall in December - Wapello, IA
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").

Average rainfall days in December
Wapello, IA

Average rainfall days in December - Wapello, IA
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in December
Wapello, IA

Average snowfall in December - Wapello, IA
  • Average snowfall in December: 1.93"

The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Wapello, IA

Average snowfall days in December - Wapello, IA
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Wapello, IA

Average daylight in December / Average sunshine in December - Wapello, IA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Wapello, IA

Average sunshine days in December - Wapello, IA
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in December
Wapello, IA

Average UV index in December - Wapello, IA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Wapello, IA

Average cloud cover in December - Wapello, IA
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Wapello, IA

Average visibility in December - Wapello, IA
  • 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).

Wapello, Iowa, USA

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