January weather forecast
Richmond Heights, SD

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Weather in January

January, the same as December, in Richmond Heights, South Dakota, is a freezing cold winter month, with an average temperature varying between 20.7°F (-6.3°C) and 6.3°F (-14.3°C).

Temperature

In Richmond Heights, the month of January registers the lowest temperatures, averaging 20.7°F (-6.3°C) at the peak and 6.3°F (-14.3°C) at the lowest.

Humidity

January is the most humid month, 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

With an average of 3.9h of sunshine, January has the least sunshine of the year.

UV index

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 1 in January translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What are the coldest months in Richmond Heights?

January is the coldest month in Richmond Heights, with the temperature often reaching an average high of 20.7°F (-6.3°C) and an average low of 6.3°F (-14.3°C).

How cold is January?

In January, the average high-temperature and low-temperature are 20.7°F (-6.3°C) and 6.3°F (-14.3°C) respectively.

What is the most humid month?

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

What is the average humidity in January?

In January, the average relative humidity is 88%.

What is the driest month?

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

How much does it rain in Richmond Heights in January?

In Richmond Heights, in January, during 3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 13 days and accumulates 3.82" (97mm) of snow.

How many days does it snow in January?

In Richmond Heights, in January, snow falls for 13 days, with typically accumulated 3.82" (97mm) of snow.

What is the average length of the day in January?

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

What time are sunrise and sunset in January?

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.

What is the month with the least sunshine?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Richmond Heights have in January?

In Richmond Heights, the average sunshine duration in January is 3.9h.

When is the lowest UV index?

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

What is the UV index reading in January?

In Richmond Heights, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
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
Richmond Heights, SD

Average temperature in January - Richmond 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
Richmond Heights, SD

Average pressure in January - Richmond 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
Richmond Heights, SD

Average wind speed in January - Richmond 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
Richmond Heights, SD

Average humidity in January - Richmond 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
Richmond Heights, SD

Average rainfall in January - Richmond 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
Richmond Heights, SD

Average rainfall days in January - Richmond 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
Richmond Heights, SD

Average snowfall in January - Richmond 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
Richmond Heights, SD

Average snowfall days in January - Richmond 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
Richmond Heights, SD

Average daylight in January / Average sunshine in January - Richmond 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
Richmond Heights, SD

Average sunshine days in January - Richmond 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
Richmond Heights, SD

Average UV index in January - Richmond 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
Richmond Heights, SD

Average cloud cover in January - Richmond 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
Richmond Heights, SD

Average visibility in January - Richmond 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).

Richmond Heights, South Dakota, USA

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