January weather forecastHenderson, MD

January

Weather in January

January, like December, in Henderson, Maryland, is another cold winter month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 40.5°F (4.7°C).

Temperature

January stands out as Henderson's coldest month, with an average high-temperature of 40.5°F (4.7°C) and a low-temperature of 28.8°F (-1.8°C).

Humidity

The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 9.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 3.9 days and accumulates 2.05" (52mm) 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 7:22 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:22 pm EST.

Sunshine

In Henderson, the average sunshine in January is 5.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

January, with average temperatures reaching a high of 40.5°F (4.7°C) and a low of 28.8°F (-1.8°C), is the coldest month.

The high-temperature, in January, in Henderson, records 40.5°F (4.7°C), while the low-temperature is 28.8°F (-1.8°C).

January, March, April and November, with an average relative humidity of 74%, are the least humid months.

In Henderson, the average relative humidity in January is 74%.

January is the month with the least rainfall. Rain falls for 9.6 days and accumulates 1.97" (50mm) of precipitation.

In January, in Henderson, the rain falls for 9.6 days. Throughout January, 1.97" (50mm) of precipitation is accumulated.

The month with the most snowfall is January, when snow falls for 3.9 days and typically aggregates up to 2.05" (52mm) of snow.

In Henderson, in January, during 3.9 snowfall days, 2.05" (52mm) of snow is typically accumulated.

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

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:22 pm EST.

In Henderson, the average sunshine duration in January is 5.2h.

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

In January, the average daily maximum UV index in Henderson, Maryland, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Henderson, MD

  • Average high temperature in January: 40.5°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 (40.5°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in January
Henderson, MD

  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Henderson, MD

  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in January
Henderson, MD

  • Average humidity in January: 74%

The months with the highest relative humidity are May and August (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in January
Henderson, MD

  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in January
Henderson, MD

  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in January
Henderson, MD

  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Henderson, MD

  • Average snowfall days in January: 3.9 days

The month with the highest number of snowfall days is January (3.9 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
Henderson, MD

  • Average daylight in January: 9h and 48min

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 12min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in January
Henderson, MD

  • Average sunshine days in January: 18.4 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in January
Henderson, 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
Henderson, MD

  • Average cloud cover in January: 44

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

Average visibility in January
Henderson, 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).