January weather forecast
River Mills, MD

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Weather in January

January, the same as December, is another cold winter month in River Mills, Maryland, with an average temperature fluctuating between 26.2°F (-3.2°C) and 38.1°F (3.4°C).

Temperature

Temperature readings reach their annual highs in January, averaging 38.1°F (3.4°C) and a minimum average of 26.2°F (-3.2°C).

Humidity

In River Mills, the average relative humidity in January is 73%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall in River Mills. Snow falls for 4.9 days and accumulates 2.4" (61mm) of snow.

Daylight

In January, the average length of the day is 9h and 47min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:26 pm EST.

Sunshine

In January, the average sunshine is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

With its average high temperature of 38.1°F (3.4°C) and a low of 26.2°F (-3.2°C), January is regarded as the coldest month.

How cold is it in January?

The high-temperature, in January, in River Mills, records 38.1°F (3.4°C), while the low-temperature is 26.2°F (-3.2°C).

What is the average humidity in January?

In River Mills, the average relative humidity in January is 73%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 2.05" (52mm) of precipitation.

How much does it rain in January?

In River Mills, in January, it is raining for 9.7 days, with typically 2.05" (52mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 4.9 days and typically aggregates up to 2.4" (61mm) of snow.

How much does it snow in January?

In River Mills, in January, snow falls for 4.9 days, with typically accumulated 2.4" (61mm) of snow.

How many hours of daylight does River Mills have in January?

In January, the average day length is 9h and 47min.

What time are sunrise and sunset in January in River Mills?

On the first day of January, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:26 pm EST.

How many hours of sunshine does River Mills have in January?

The average sunshine duration in January is 5.1h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

In River Mills, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
44.1°F 6.7°C
38.1°F 3.4°C
42.3°F 5.7°C
Average low temperature
32.9°F 0.5°C
26.2°F -3.2°C
28.6°F -1.9°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8mph 12.9km/h
8.6mph 13.8km/h
8.6mph 13.8km/h
Average max. wind speed
8.6mph 13.8km/h
9.3mph 15km/h
9.3mph 15km/h
Average wind speed gusts
12.9mph 20.8km/h
13.8mph 22.2km/h
14mph 22.5km/h
Average humidity
76%
73%
75%
Average rainfall
2.6" 66mm
2.05" 52mm
2.24" 57mm
Average rainfall days
11.8
9.7
10.3
Average snowfall
1.22" 31mm
2.4" 61mm
1.57" 40mm
Average snowfall days
2.9
4.9
4.7
Average daylight
9h 3min
9h 5min
10h 4min
Average sunshine
5h 1min
5h 1min
5h 0min
Average sunshine days
16.2
16.9
14.3
Average UV index
2
2
2
Average cloud cover
44%
44%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
River Mills, MD

Average temperature in January - River Mills, MD
  • Average high temperature in January: 38.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in January: 26.2°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in January
River Mills, MD

Average pressure in January - River Mills, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
River Mills, MD

Average wind speed in January - River Mills, MD
  • Average wind speed in January: 8.6mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in January
River Mills, MD

Average humidity in January - River Mills, MD
  • Average humidity in January: 73%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in January
River Mills, MD

Average rainfall in January - River Mills, MD
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in January
River Mills, MD

Average rainfall days in January - River Mills, MD
  • Average rainfall days in January: 9.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in January
River Mills, MD

Average snowfall in January - River Mills, MD
  • Average snowfall in January: 2.4"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
River Mills, MD

Average snowfall days in January - River Mills, MD
  • Average snowfall days in January: 4.9 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
River Mills, MD

Average daylight in January / Average sunshine in January - River Mills, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in January
River Mills, MD

Average sunshine days in January - River Mills, MD
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in January
River Mills, MD

Average UV index in January - River Mills, MD
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
River Mills, MD

Average cloud cover in January - River Mills, MD
  • Average cloud cover in January: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
River Mills, MD

Average visibility in January - River Mills, MD
  • Average visibility in January: 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).

River Mills, Maryland, USA

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