January weather forecast and climate
Hartwell, OH

January, the same as December, is a wintry winter month in Hartwell, Ohio, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 35.2°F (1.8°C).

Temperature

With an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.2°F (-4.9°C), January is the coldest month.

Humidity

In Hartwell, the average relative humidity is 80%.

Rainfall

In Hartwell, in January, it is raining for 7.6 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 121.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall is January when snow falls for 5.8 days and typically aggregates up to 0.94" (24mm) of snow.

Daylight

In Hartwell, the average length of the day in January is 9.8h.

Sunshine

The month with the least sunshine in Hartwell, Ohio, is January, with an average of 4h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Hartwell?

January is the coldest month in Hartwell, Ohio, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.2°F (-4.9°C).

What is the temperature in January in Hartwell?

In Hartwell, in January, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 23.2°F (-4.9°C).

What is the average humidity in January in Hartwell?

In Hartwell, the average relative humidity in January is 80%.

How many days does it rain in January in Hartwell?

In Hartwell, in January, it is raining for 7.6 days, with typically 0.91" (23mm) of accumulated precipitation.

How many days does it snow in January in Hartwell?

In Hartwell, Ohio, during January, snow falls for 5.8 days and regularly aggregates up to 0.94" (24mm) of snow.

When does it snow the most in Hartwell?

January is the month with the most snowfall in Hartwell. Snow falls for 5.8 days and accumulates 0.94" (24mm) of snow.

How many hours of daylight does Hartwell have in January?

In January, the average length of the day in Hartwell, Ohio, is 9.8h.

What is the month with the least sunshine in Hartwell?

January has the least sunshine of the year in Hartwell, with an average of 4h of sunshine.

How many hours of sunshine does Hartwell have in January?

In Hartwell, the average sunshine in January is 4h.

What is the UV index reading in January in Hartwell?

The average daily maximum UV index in January in Hartwell, Ohio, is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in January - Hartwell, OH
  • Average high temperature in January: 1.8°C

The warmest month (with the highest average high temperature) is July (28.9°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in January: -4.9°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).

Average pressure in January - Hartwell, OH
  • Average pressure in January: 1020.7mbar

The month with the highest atmospheric pressure is January (1020.7mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed in January - Hartwell, OH
  • Average wind speed in January: 14.3km/h

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (8.4km/h).

Average humidity in January - Hartwell, OH
  • Average humidity in January: 80%

The month with the highest relative humidity is December (81%).
Months with the lowest relative humidity are August, September and October (74%).

Average rainfall in January - Hartwell, OH
  • Average rainfall in January: 23mm

The wettest month (with the highest rainfall) is May (36mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in January - Hartwell, OH
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in January - Hartwell, OH
  • Average snowfall in January: 24mm

The month with the highest snowfall is January (24mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January - Hartwell, OH
  • Average snowfall days in January: 5.8 days

The month with the highest number of snowfall days is February (6.1 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Hartwell, OH
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 4h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4h).

Average sunshine days in January - Hartwell, OH
  • Average sunshine days in January: 19 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).

Average UV index in January - Hartwell, OH
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January - Hartwell, OH
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in January - Hartwell, OH
  • Average visibility in January: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).