January weather forecast
Lamar, AR

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Weather in January

January, like December, is another chilly winter month in Lamar, Arkansas, with an average temperature varying between 46.9°F (8.3°C) and 30.6°F (-0.8°C).

Temperature

In Lamar, January records the lowest average temperatures, peaking at 46.9°F (8.3°C) and reaching a low of 30.6°F (-0.8°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

In Lamar, during January, the rain falls for 9.3 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 146.4 rainfall days, and 35.98" (914mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The months with the most snowfall are January and February, with an average 0.79" (20mm) of accumulated snow.

Daylight

In Lamar, the average length of the day in January is 10h and 5min.
On the first day of the month, sunrise is at 7:22 am and sunset at 5:11 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:39 pm CST.

Sunshine

In January, the average sunshine is 5.5h.

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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Lamar's January weather, marked by an average high temperature of 46.9°F (8.3°C) and an average low temperature of 30.6°F (-0.8°C), is the coldest in the year.

What is the usual temperature for Lamar in January?

The average high-temperature and low-temperature during January are 46.9°F (8.3°C) and 30.6°F (-0.8°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 74%.

How many days does it rain in January?

In Lamar, during January, the rain falls for 9.3 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When does it snow the most?

The months with the most snowfall are January and February, with an average 0.79" (20mm) of accumulated snow.

How many days does it snow in January?

In Lamar, during January, snow falls for 1.5 days and regularly aggregates up to 0.79" (20mm) of snow.

How many hours of daylight does Lamar have in January?

In Lamar, the average day length in January is 10h and 5min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 5:11 pm. On the last day of the month, in Lamar, sunrise is at 7:13 am and sunset at 5:39 pm CST.

How many hours of sunshine does Lamar have in January?

In January, the average sunshine duration is 5.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January in Lamar is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Lamar, AR

Average temperature in January - Lamar, AR
  • Average high temperature in January: 46.9°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in January: 30.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in January
Lamar, AR

Average pressure in January - Lamar, AR
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Lamar, AR

Average wind speed in January - Lamar, AR
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in January
Lamar, AR

Average humidity in January - Lamar, AR
  • Average humidity in January: 74%

The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are July and August (72%).

Average rainfall in January
Lamar, AR

Average rainfall in January - Lamar, AR
  • Average rainfall in January: 2.6"

The wettest months (with the highest rainfall) are April and May (4.41").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in January
Lamar, AR

Average rainfall days in January - Lamar, AR
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is November (9 days).

Average snowfall in January
Lamar, AR

Average snowfall in January - Lamar, AR
  • Average snowfall in January: 0.79"

The months with the highest snowfall are January and February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Lamar, AR

Average snowfall days in January - Lamar, AR
  • Average snowfall days in January: 1.5 days

The months with the highest number of snowfall days are January and February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Lamar, AR

Average daylight in January / Average sunshine in January - Lamar, AR
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

Average sunshine days in January
Lamar, AR

Average sunshine days in January - Lamar, AR
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in January
Lamar, AR

Average UV index in January - Lamar, AR
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in January
Lamar, AR

Average cloud cover in January - Lamar, AR
  • Average cloud cover in January: 39

The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 28).

Average visibility in January
Lamar, AR

Average visibility in January - Lamar, AR
  • Average visibility in January: 5mi

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

Lamar, Arkansas, USA

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