January weather forecast
Hamilton, MO

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Weather in January

January, like December, in Hamilton, Missouri, is another cold winter month, with an average temperature ranging between max 34.2°F (1.2°C) and min 20.5°F (-6.4°C).

Temperature

January, with its high-temperature average of 34.2°F (1.2°C) and a low-temperature average of 20.5°F (-6.4°C), is the coldest month.

Humidity

In Hamilton, the average relative humidity in January is 76%.

Rainfall

The months with the least rainfall are January and February Rain falls for 4.5 days and accumulates 1.02" (26mm) of rain.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Hamilton is January, when snow falls for 6.8 days and typically aggregates up to 3.86" (98mm) of snow.

Daylight

In Hamilton, the average length of the day in January is 9h and 44min.
On the first day of January, sunrise is at 7:36 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:33 pm CST.

Sunshine

The month with the least sunshine in Hamilton is January, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the coldest month in Hamilton?

In Hamilton, January is the month with the lowest recorded average temperatures, measuring a high of 34.2°F (1.2°C) and a low of 20.5°F (-6.4°C).

How cold is January in Hamilton?

The average high-temperature and low-temperature during January are 34.2°F (1.2°C) and 20.5°F (-6.4°C) respectively.

What is the average humidity in January in Hamilton?

The average relative humidity in January is 76%.

What is the driest month in Hamilton?

January and February are months with the least rain in Hamilton, Missouri, when the rain falls for 4.5 days and typically aggregates up to 1.02" (26mm) of rain.

How many days does it rain in January in Hamilton?

In Hamilton, during January, the rain falls for 4.5 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When does it snow the most in Hamilton?

The month with the most snowfall in Hamilton is January, when snow falls for 6.8 days and typically aggregates up to 3.86" (98mm) of snow.

How much does it snow in Hamilton in January?

In Hamilton, during January, snow falls for 6.8 days and regularly aggregates up to 3.86" (98mm) of snow.

What is the average length of the day in January in Hamilton?

In January, the average day length in Hamilton, Missouri, is 9h and 44min.

When are sunrise and sunset in January in Hamilton?

On the first day of January in Hamilton, Missouri, sunrise is at 7:36 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:33 pm CST.

What is the month with the least sunshine in Hamilton?

January has the least sunshine of the year in Hamilton, Missouri, with an average of 4.7h of sunshine.

How many hours of sunshine does Hamilton have in January?

The average sunshine duration in January in Hamilton is 4.7h.

What is the month with the lowest UV index in Hamilton?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hamilton, Missouri.

How high is the UV index in January in Hamilton?

In Hamilton, Missouri, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
38.5°F 3.6°C
34.2°F 1.2°C
38.8°F 3.8°C
Average low temperature
25.7°F -3.5°C
20.5°F -6.4°C
24.3°F -4.3°C
Average pressure
30.13" 765mmHg
30.17" 766mmHg
30.13" 765mmHg
Average wind speed
9.1mph 14.6km/h
9.6mph 15.4km/h
9.8mph 15.8km/h
Average max. wind speed
9.8mph 15.8km/h
10.3mph 16.6km/h
10.4mph 16.7km/h
Average wind speed gusts
15mph 24.1km/h
15.7mph 25.3km/h
15.5mph 24.9km/h
Average humidity
77%
76%
75%
Average rainfall
1.22" 31mm
1.02" 26mm
1.02" 26mm
Average rainfall days
6
4.5
4.7
Average snowfall
1.42" 36mm
3.86" 98mm
2.91" 74mm
Average snowfall days
5.1
6.8
6.2
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
5h 1min
4h 4min
5h 2min
Average sunshine days
21
20.3
17.5
Average UV index
2
2
2
Average cloud cover
44%
47%
46%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Hamilton, MO

Average temperature in January - Hamilton, MO
  • Average high temperature in January: 34.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in January: 20.5°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in January
Hamilton, MO

Average pressure in January - Hamilton, MO
  • 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 (29.89"Hg).

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Average wind speed in January
Hamilton, MO

Average wind speed in January - Hamilton, MO
  • Average wind speed in January: 9.6mph

The windiest months (with the highest average wind speed) are February and March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in January
Hamilton, MO

Average humidity in January - Hamilton, MO
  • Average humidity in January: 76%

The months with the highest relative humidity are May, June, July and August (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Hamilton, MO

Average rainfall in January - Hamilton, MO
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is June (3.82").
The driest months (with the least rainfall) are January and February (1.02").

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Average rainfall days in January
Hamilton, MO

Average rainfall days in January - Hamilton, MO
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in January
Hamilton, MO

Average snowfall in January - Hamilton, MO
  • Average snowfall in January: 3.86"

The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Hamilton, MO

Average snowfall days in January - Hamilton, MO
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Hamilton, MO
  • Average daylight in January: 9h and 4min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in January
Hamilton, MO

Average sunshine days in January - Hamilton, MO
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in January
Hamilton, MO

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Hamilton, MO

Average cloud cover in January - Hamilton, MO
  • Average cloud cover in January: 47

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in January
Hamilton, MO

Average visibility in January - Hamilton, MO
  • 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, Missouri, USA

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