January weather forecast
Ramona, SD

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Weather in January

January, the same as December, in Ramona, South Dakota, is another subzero cold winter month, with an average temperature ranging between min 8.1°F (-13.3°C) and max 22.3°F (-5.4°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 22.3°F (-5.4°C) and a low of 8.1°F (-13.3°C).

Humidity

The most humid month is January, with an average relative humidity of 90%.

Rainfall

In Ramona, during January, the rain falls for 1.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 111.2 rainfall days, and 21.14" (537mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Ramona, during January, snow falls for 11.3 days and regularly aggregates up to 3.46" (88mm) of snow. Throughout the year, there are 49.4 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 20min.
On the first day of the month, sunrise is at 8:03 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:47 am and sunset at 5:36 pm CST.

Sunshine

With an average of 3.8h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in January interprets into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Ramona experiences its lowest temperatures in January, with an average peak of 22.3°F (-5.4°C) and a low of 8.1°F (-13.3°C).

How cold is January in Ramona?

The high-temperature, in January, in Ramona, records 22.3°F (-5.4°C), while the low-temperature is 8.1°F (-13.3°C).

What is the most humid month?

With an average relative humidity of 90%, January is the most humid month.

What is the average humidity in January?

The average relative humidity in January is 90%.

How much does it rain in January?

In January, the rain falls for 1.6 days. Throughout January, 0.67" (17mm) of precipitation is accumulated.

How many days does it snow in January?

In Ramona, during January, snow falls for 11.3 days and regularly aggregates up to 3.46" (88mm) of snow.

How many hours of daylight does Ramona have in January?

In January, the average day length in Ramona is 9h and 20min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:03 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:36 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.8h of sunshine.

How long on average sun shines in January?

In Ramona, the average sunshine duration in January is 3.8h.

What is the month with the lowest UV index?

The months with the lowest UV index in Ramona are January and December, with an average maximum UV index of 1.

How high is the UV index in January?

In January, the average daily maximum UV index 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
Ramona, SD

Average temperature in January - Ramona, SD
  • Average high temperature in January: 22.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in January: 8.1°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

Average pressure in January
Ramona, SD

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

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Ramona, SD

Average wind speed in January - Ramona, SD
  • Average wind speed in January: 10.8mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

Average humidity in January
Ramona, SD

Average humidity in January - Ramona, SD
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).

Average rainfall in January
Ramona, SD

Average rainfall in January - Ramona, SD
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").

Average rainfall days in January
Ramona, SD

Average rainfall days in January - Ramona, SD
  • Average rainfall days in January: 1.6 days

The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).

Average snowfall in January
Ramona, SD

Average snowfall in January - Ramona, SD
  • Average snowfall in January: 3.46"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Ramona, SD

Average snowfall days in January - Ramona, SD
  • Average snowfall days in January: 11.3 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Ramona, SD

Average daylight in January / Average sunshine in January - Ramona, SD
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Ramona, SD

Average sunshine days in January - Ramona, SD
  • Average sunshine days in January: 19.4 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).

Average UV index in January
Ramona, SD

Average UV index in January - Ramona, SD
  • Average UV index in January: 1

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

Average cloud cover in January
Ramona, SD

Average cloud cover in January - Ramona, SD
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in January
Ramona, SD

Average visibility in January - Ramona, 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).

Ramona, South Dakota, USA

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