January weather forecast
Castle Oaks, MD

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Weather in January

January, like December, in Castle Oaks, Maryland, is an icy winter month, with an average temperature varying between 36.9°F (2.7°C) and 23.9°F (-4.5°C).

Temperature

During the coldest month, January, temperatures average a high of 36.9°F (2.7°C) and a low of 23.9°F (-4.5°C).

Humidity

January, April, July and November, with an average relative humidity of 76%, are the least humid months.

Rainfall

In January, the rain falls for 8.4 days. Throughout January, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 32.68" (830mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Castle Oaks, Maryland, are January through April, October through December. In January, it is snowing for 6.9 days. Throughout January, 3.5" (89mm) of snow is accumulated. In Castle Oaks, during the entire year, snow falls for 23.9 days and aggregates up to 13.31" (338mm) of snow.

Daylight

In January, the average length of the day is 9h and 45min.
On the first day of January, sunrise is at 7:27 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:25 pm EST.

Sunshine

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index in Castle Oaks are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the coldest month in Castle Oaks?

The coldest period in Castle Oaks tends to be January, when average temperatures fluctuate between a high of 36.9°F (2.7°C) and a low of 23.9°F (-4.5°C).

How cold is it in Castle Oaks in January?

The high-temperature, in January, in Castle Oaks, is 36.9°F (2.7°C), while the low-temperature averages to 23.9°F (-4.5°C).

What are the least humid months in Castle Oaks?

The months with the lowest humidity in Castle Oaks, Maryland, are January, April, July and November, with an average relative humidity of 76%.

What is the average humidity in January in Castle Oaks?

The average relative humidity in January is 76%.

How much does it rain in Castle Oaks in January?

In January, in Castle Oaks, Maryland, the rain falls for 8.4 days. Throughout January, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in January in Castle Oaks?

In January, in Castle Oaks, it is snowing for 6.9 days. Throughout January, 3.5" (89mm) of snow is accumulated.

How many hours of daylight does Castle Oaks have in January?

The average day length in January in Castle Oaks is 9h and 45min.

What time are sunrise and sunset in January in Castle Oaks?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:25 pm EST.

What is the month with the least sunshine in Castle Oaks?

The months with the least sunshine in Castle Oaks, Maryland, are January and February, with an average of 4.6h of sunshine.

How long on average sun shines in January in Castle Oaks?

In Castle Oaks, the average sunshine duration in January is 4.6h.

What are the months with the lowest UV index in Castle Oaks?

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

How high is the UV index in January in Castle Oaks?

In Castle Oaks, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
42.8°F 6°C
36.9°F 2.7°C
40.5°F 4.7°C
Average low temperature
30.4°F -0.9°C
23.9°F -4.5°C
26.1°F -3.3°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8.1mph 13km/h
8.7mph 14km/h
8.8mph 14.2km/h
Average max. wind speed
8.8mph 14.2km/h
9.5mph 15.3km/h
9.5mph 15.3km/h
Average wind speed gusts
13.5mph 21.7km/h
14.4mph 23.2km/h
14.5mph 23.3km/h
Average humidity
79%
76%
78%
Average rainfall
2.4" 61mm
2.2" 56mm
2.13" 54mm
Average rainfall days
11
8.4
8.6
Average snowfall
1.93" 49mm
3.5" 89mm
2.8" 71mm
Average snowfall days
3.9
6.9
6.6
Average daylight
9h 2min
9h 5min
10h 4min
Average sunshine
4h 5min
4h 4min
4h 4min
Average sunshine days
17.1
16.9
13.7
Average UV index
2
2
2
Average cloud cover
48%
48%
49%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Castle Oaks, MD

Average temperature in January - Castle Oaks, MD
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in January
Castle Oaks, MD

Average pressure in January - Castle Oaks, 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).

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Average wind speed in January
Castle Oaks, MD

Average wind speed in January - Castle Oaks, MD
  • Average wind speed in January: 8.7mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Castle Oaks, MD

Average humidity in January - Castle Oaks, MD
  • Average humidity in January: 76%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).

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Average rainfall in January
Castle Oaks, MD

Average rainfall in January - Castle Oaks, MD
  • Average rainfall in January: 2.2"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").

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Average rainfall days in January
Castle Oaks, MD

Average rainfall days in January - Castle Oaks, MD
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in January
Castle Oaks, MD

Average snowfall in January - Castle Oaks, MD
  • Average snowfall in January: 3.5"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Castle Oaks, MD

Average snowfall days in January - Castle Oaks, MD
  • Average snowfall days in January: 6.9 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Castle Oaks, MD

Average daylight in January / Average sunshine in January - Castle Oaks, 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 24min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Castle Oaks, MD

Average sunshine days in January - Castle Oaks, MD
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in January
Castle Oaks, MD

Average UV index in January - Castle Oaks, 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).

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Average cloud cover in January
Castle Oaks, MD

Average cloud cover in January - Castle Oaks, MD
  • Average cloud cover in January: 48

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Castle Oaks, MD

Average visibility in January - Castle Oaks, MD
  • Average visibility in January: 6mi

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

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Castle Oaks, Maryland, USA

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