January weather forecast
East Riverdale, MD

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Weather in January

January, like December, in East Riverdale, Maryland, is a wintry winter month, with an average temperature varying between 27.7°F (-2.4°C) and 39.9°F (4.4°C).

Temperature

In East Riverdale, January is the month with the lowest recorded average temperatures, measuring a high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C).

Humidity

In East Riverdale, the average relative humidity in January is 72%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

Months with snowfall are January through April and December. January is the month with the most snowfall. Snow falls for 4.1 days and accumulates 2.6" (66mm) of snow.

Daylight

The average length of the day in January is 9h and 48min.
On the first day of January, sunrise is at 7:26 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:27 pm EST.

Sunshine

In January, the average sunshine is 5.1h.

UV index

The months with the lowest UV index are January 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 the average person.
Note: An average maximum UV index of 2 in January leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What part of the year is the coldest?

January stands out as East Riverdale's coldest month, with temperatures ranging between an average high of 39.9°F (4.4°C) and a low of 27.7°F (-2.4°C).

How cold does it get in East Riverdale in January?

In East Riverdale, in January, the average high-temperature is 39.9°F (4.4°C), and the average low-temperature is 27.7°F (-2.4°C).

What is the average humidity in January?

In January, the average relative humidity is 72%.

What is the driest month?

January is the month with the least rainfall in East Riverdale. Rain falls for 9.3 days and accumulates 2.01" (51mm) of precipitation.

How many days does it rain in January in East Riverdale?

In East Riverdale, in January, it is raining for 9.3 days, with typically 2.01" (51mm) of accumulated precipitation.

What is the snowiest month in East Riverdale?

The month with the most snowfall is January, when snow falls for 4.1 days and typically aggregates up to 2.6" (66mm) of snow.

How many days does it snow in January?

In East Riverdale, during January, snow falls for 4.1 days and regularly aggregates up to 2.6" (66mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 48min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:26 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:27 pm EST.

How many hours of sunshine does East Riverdale have in January?

In East Riverdale, the average sunshine duration in January is 5.1h.

When is the lowest UV index?

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

How high is the UV index in January?

In East Riverdale, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk 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
East Riverdale, MD

Average temperature in January - East Riverdale, MD
  • Average high temperature in January: 39.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in January: 27.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in January
East Riverdale, MD

Average pressure in January - East Riverdale, MD
  • Average pressure in January: 30.11"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
East Riverdale, MD

Average wind speed in January - East Riverdale, MD
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
East Riverdale, MD

Average humidity in January - East Riverdale, MD
  • Average humidity in January: 72%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in January
East Riverdale, MD

Average rainfall in January - East Riverdale, MD
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in January
East Riverdale, MD

Average rainfall days in January - East Riverdale, MD
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in January
East Riverdale, MD

Average snowfall in January - East Riverdale, MD
  • Average snowfall in January: 2.6"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in January
East Riverdale, MD

Average snowfall days in January - East Riverdale, MD
  • Average snowfall days in January: 4.1 days

The month with the highest number of snowfall days is January (4.1 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
East Riverdale, MD

Average daylight in January / Average sunshine in January - East Riverdale, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in January
East Riverdale, MD

Average sunshine days in January - East Riverdale, MD
  • Average sunshine days in January: 18.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in January
East Riverdale, MD

Average UV index in January - East Riverdale, 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 and December (UV index 2).

Average cloud cover in January
East Riverdale, MD

Average cloud cover in January - East Riverdale, MD
  • Average cloud cover in January: 43

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
East Riverdale, MD

Average visibility in January - East Riverdale, 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).

East Riverdale, Maryland, USA

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