January weather forecast
Rochford, SD

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Weather in January

The year starts in frozen Rochford, South Dakota with the weather characterized by low temperatures and high snowfall. Compared to holiday season in December, January remains stable in terms of climatic conditions but without the flurry of winter parties. Packing for a visit to Rochford this time of the year must include heavy winter clothing to cope with the mercury dropping to as low as 17.1°F (-8.3°C). If you thought December was cold, January's freezing temperatures could surprise you further. On a lighter note, the weather paves the way for snow-based activities providing a silver lining to the cold front.

Temperature

The onset of January manifests an average high-temperature of a still subzero cold 30.6°F (-0.8°C), demonstrating a minor variation from the preceding month. Rochford's average low-temperature is measured at a still subzero cold 17.1°F (-8.3°C) during January.

Humidity

January and February, with an average relative humidity of 79%, are the most humid months in Rochford.

Rainfall

The month with the least rainfall in Rochford is January, when the rain falls for 3.7 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall in Rochford are January through June, September through December. In Rochford, in January, snow falls for 11.7 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, there are 66.6 snowfall days, and 34.53" (877mm) of snow is accumulated.

Daylight

In Rochford, the average length of the day in January is 9h and 20min.
On the first day of January, sunrise is at 7:29 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:02 pm MST.

Sunshine

In January, the average sunshine is 6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Rochford?

In January, in Rochford, the average high-temperature is 30.6°F (-0.8°C), and the average low-temperature is 17.1°F (-8.3°C).

What are the most humid months in Rochford?

January and February, with an average relative humidity of 79%, are most humid months in Rochford.

What is the average humidity in January in Rochford?

In January, the average relative humidity is 79%.

What is the driest month in Rochford?

January is the month with the least rainfall in Rochford, South Dakota. Rain falls for 3.7 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain in Rochford in January?

In Rochford, in January, during 3.7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in January in Rochford?

In Rochford, during January, snow falls for 11.7 days and regularly aggregates up to 2.87" (73mm) of snow.

How many hours of daylight does Rochford have in January?

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

When are sunrise and sunset in January in Rochford?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:02 pm MST.

How long on average sun shines in January in Rochford?

The average sunshine duration in January in Rochford, South Dakota, is 6h.

What are the months with the lowest UV index in Rochford?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Rochford.

What is the UV index reading in January in Rochford?

In Rochford, South Dakota, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
29.7°F -1.3°C
30.6°F -0.8°C
30.4°F -0.9°C
Average low temperature
16.7°F -8.5°C
17.1°F -8.3°C
15.4°F -9.2°C
Average pressure
30.13" 765mmHg
30.14" 766mmHg
30.12" 765mmHg
Average wind speed
9.5mph 15.3km/h
9.8mph 15.8km/h
9.1mph 14.6km/h
Average max. wind speed
10.2mph 16.4km/h
10.6mph 17.1km/h
9.8mph 15.8km/h
Average wind speed gusts
17.1mph 27.5km/h
17.3mph 27.8km/h
15.3mph 24.6km/h
Average humidity
77%
79%
79%
Average rainfall
0.67" 17mm
0.55" 14mm
0.71" 18mm
Average rainfall days
4.2
3.7
3.8
Average snowfall
3.78" 96mm
2.87" 73mm
4.49" 114mm
Average snowfall days
10.1
11.7
11.1
Average daylight
8h 5min
9h 2min
10h 3min
Average sunshine
6h 0min
6h 0min
5h 5min
Average sunshine days
19.5
17.8
15.7
Average UV index
2
2
2
Average cloud cover
37%
38%
40%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Rochford, SD

Average temperature in January - Rochford, SD
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).

Average pressure in January
Rochford, SD

Average pressure in January - Rochford, SD
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in January
Rochford, SD

Average wind speed in January - Rochford, SD
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).

Average humidity in January
Rochford, SD

Average humidity in January - Rochford, SD
  • Average humidity in January: 79%

The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).

Average rainfall in January
Rochford, SD

Average rainfall in January - Rochford, SD
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in January
Rochford, SD

Average rainfall days in January - Rochford, SD
  • Average rainfall days in January: 3.7 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).

Average snowfall in January
Rochford, SD

Average snowfall in January - Rochford, SD
  • Average snowfall in January: 2.87"

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Rochford, SD

Average snowfall days in January - Rochford, SD
  • Average snowfall days in January: 11.7 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Rochford, 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: 6h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in January
Rochford, SD

Average sunshine days in January - Rochford, SD
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in January
Rochford, SD

Average UV index in January - Rochford, SD
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in January
Rochford, SD

Average cloud cover in January - Rochford, SD
  • Average cloud cover in January: 38

The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in January
Rochford, SD

Average visibility in January - Rochford, 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).

Rochford, South Dakota, USA

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