January weather forecast
Hamilton, OH

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Weather in January

January in Hamilton, Ohio, greets the residents with chilly winds and frosty temperatures. The lowest temperature recorded is 22.8°F (-5.1°C), while the highest soars to 35.2°F (1.8°C). The sunlight is scarce, and the days can be quite gloomy. Light flakes of snow often blanket the ground, adding a serene beauty to the landscapes. The brisk January air delivers a crisp reminder that winter has settled in Ohio.

Temperature

Hamilton notes the coldest temperatures in January, with a high average of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C).

Humidity

January, February and December, with an average relative humidity of 81%, are the most humid months in Hamilton.

Rainfall

In Hamilton, in January, it is raining for 7.9 days, with typically 1.61" (41mm) of accumulated precipitation. In Hamilton, during the entire year, the rain falls for 147.8 days and collects up to 24.33" (618mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Hamilton. In Hamilton, in January, snow falls for 7.1 days, with typically accumulated 1.38" (35mm) of snow. In Hamilton, during the entire year, snow falls for 25 days and aggregates up to 6.57" (167mm) of snow.

Daylight

The average length of the day in January in Hamilton is 9h and 46min.
On the first day of the month, sunrise is at 7:58 am and sunset at 5:25 pm. On the last day of January, in Hamilton, Ohio, sunrise is at 7:46 am and sunset at 5:56 pm EST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year.

UV index

The average daily maximum UV index in January in Hamilton is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 2 in January translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What month is the coldest in Hamilton?

The lowest temperatures are recorded in January, with averages reaching a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C).

How cold is it in Hamilton in January?

In Hamilton, 35.2°F (1.8°C) is the average high-temperature and 22.8°F (-5.1°C) is the average low-temperature during January.

What are the most humid months in Hamilton?

The months with the highest humidity are January, February and December, with an average relative humidity of 81%.

What is the average humidity in January in Hamilton?

The average relative humidity in January is 81%.

How much does it rain in Hamilton in January?

In Hamilton, Ohio, in January, it is raining for 7.9 days, with typically 1.61" (41mm) of accumulated precipitation.

How many days does it snow in January in Hamilton?

In Hamilton, in January, during 7.1 snowfall days, 1.38" (35mm) of snow is typically accumulated.

How many hours of daylight does Hamilton have in January?

In Hamilton, the average day length in January is 9h and 46min.

When is the sunrise / sunset in January in Hamilton?

On the first day of January, sunrise is at 7:58 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:56 pm EST.

What is the month with the least sunshine in Hamilton?

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

How long on average sun shines in January in Hamilton?

In January, the average sunshine duration in Hamilton, Ohio, is 4h.

What is the UV index reading in January in Hamilton?

In Hamilton, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
40.8°F 4.9°C
35.2°F 1.8°C
39.7°F 4.3°C
Average low temperature
29.5°F -1.4°C
22.8°F -5.1°C
26.1°F -3.3°C
Average pressure
30.13" 765mmHg
30.14" 766mmHg
30.11" 765mmHg
Average wind speed
8.3mph 13.4km/h
9.1mph 14.6km/h
9mph 14.5km/h
Average max. wind speed
8.8mph 14.2km/h
9.7mph 15.6km/h
9.6mph 15.4km/h
Average wind speed gusts
13.1mph 21.1km/h
14.3mph 23km/h
14.1mph 22.7km/h
Average humidity
81%
81%
81%
Average rainfall
1.93" 49mm
1.61" 41mm
2.01" 51mm
Average rainfall days
10.5
7.9
8.2
Average snowfall
1.22" 31mm
1.38" 35mm
1.81" 46mm
Average snowfall days
4.9
7.1
6.3
Average daylight
9h 2min
9h 5min
10h 4min
Average sunshine
4h 1min
4h 0min
5h 1min
Average sunshine days
16
17
15.1
Average UV index
1
2
2
Average cloud cover
57%
59%
57%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Hamilton, OH

Average temperature in January - Hamilton, OH
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 22.8°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 (22.8°F).

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Average pressure in January
Hamilton, OH

Average pressure in January - Hamilton, OH
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and 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
Hamilton, OH

Average wind speed in January - Hamilton, OH
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in January
Hamilton, OH

Average humidity in January - Hamilton, OH
  • Average humidity in January: 81%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Hamilton, OH

Average rainfall in January - Hamilton, OH
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in January
Hamilton, OH

Average rainfall days in January - Hamilton, OH
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in January
Hamilton, OH

Average snowfall in January - Hamilton, OH
  • Average snowfall in January: 1.38"

The months with the highest snowfall are February and March (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Hamilton, OH

Average snowfall days in January - Hamilton, OH
  • Average snowfall days in January: 7.1 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Hamilton, OH

Average daylight in January / Average sunshine in January - Hamilton, OH
  • 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 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in January
Hamilton, OH

Average sunshine days in January - Hamilton, OH
  • Average sunshine days in January: 17 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in January
Hamilton, OH

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

The 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).

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Average cloud cover in January
Hamilton, OH

Average cloud cover in January - Hamilton, 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 27).

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Average visibility in January
Hamilton, OH

Average visibility in January - Hamilton, OH
  • 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).

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Hamilton, Ohio, USA

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