January weather forecast
Richfield Heights, SD

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Weather in January

January, like December, is another subzero cold winter month in Richfield Heights, South Dakota, with temperature in the range of an average high of 20.7°F (-6.3°C) and an average low of 6.3°F (-14.3°C).

Temperature

Richfield Heights notes the coldest temperatures in January, with a high average of 20.7°F (-6.3°C) and a low of 6.3°F (-14.3°C).

Humidity

The most humid month is January, with an average relative humidity of 88%.

Rainfall

The month with the least rainfall is January, when the rain falls for 3 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 13 days and accumulates 3.82" (97mm) of snow.

Daylight

In January, the average length of the day is 9h and 11min.
On the first day of January, sunrise is at 8:14 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:38 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.9h of sunshine.

UV index

The months with the lowest UV index are January, February and November, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest period is January, when temperatures fluctuate between an average high of 20.7°F (-6.3°C) and a low of 6.3°F (-14.3°C).

How cold is January?

The high-temperature, in January, in Richfield Heights, records 20.7°F (-6.3°C), while the low-temperature is 6.3°F (-14.3°C).

What is the most humid month in Richfield Heights?

January is the most humid month in Richfield Heights, with an average relative humidity of 88%.

What is the average humidity in January?

In January, the average relative humidity in Richfield Heights is 88%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 3 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in January?

In Richfield Heights, during January, the rain falls for 3 days and regularly aggregates up to 0.59" (15mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 13 days and typically aggregates up to 3.82" (97mm) of snow.

How much does it snow in Richfield Heights in January?

In Richfield Heights, in January, during 13 snowfall days, 3.82" (97mm) of snow is typically accumulated.

How many hours of daylight does Richfield Heights have in January?

In January, the average day length is 9h and 11min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:14 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Richfield Heights?

January has the least sunshine of the year in Richfield Heights, with an average of 3.9h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.9h.

What is the month with the lowest UV index?

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in January?

In January, the average daily maximum UV index in Richfield Heights is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 January
Richfield Heights, SD

Average temperature in January - Richfield Heights, SD
  • Average high temperature in January: 20.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in January: 6.3°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 (6.3°F).

Average pressure in January
Richfield Heights, SD

Average pressure in January - Richfield Heights, SD
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Richfield Heights, SD

Average wind speed in January - Richfield Heights, SD
  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in January
Richfield Heights, SD

Average humidity in January - Richfield Heights, SD
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in January
Richfield Heights, SD

Average rainfall in January - Richfield Heights, SD
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
Richfield Heights, SD

Average rainfall days in January - Richfield Heights, SD
  • Average rainfall days in January: 3 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in January
Richfield Heights, SD

Average snowfall in January - Richfield Heights, SD
  • Average snowfall in January: 3.82"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Richfield Heights, SD

Average snowfall days in January - Richfield Heights, SD
  • Average snowfall days in January: 13 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Richfield Heights, SD

Average daylight in January / Average sunshine in January - Richfield Heights, SD
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
Richfield Heights, SD

Average sunshine days in January - Richfield Heights, SD
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in January
Richfield Heights, SD

Average UV index in January - Richfield Heights, SD
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in January
Richfield Heights, SD

Average cloud cover in January - Richfield Heights, SD
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in January
Richfield Heights, SD

Average visibility in January - Richfield Heights, SD
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Richfield Heights, South Dakota, USA

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