January weather forecast
Olney, MO

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Weather in January

January, like December, in Olney, Missouri, is another cold winter month, with an average temperature ranging between max 36.1°F (2.3°C) and min 22.5°F (-5.3°C).

Temperature

January is the month that records the lowest temperatures, with averages ranging from a high of 36.1°F (2.3°C) to a low of 22.5°F (-5.3°C).

Humidity

The average relative humidity in January in Olney is 76%.

Rainfall

The months with the least rainfall are January and February Rain falls for 6.7 days and accumulates 1.46" (37mm) of rain.

Snowfall

Months with snowfall in Olney are January through April, November and December. January is the month with the most snowfall in Olney, Missouri. Snow falls for 5.7 days and accumulates 3.11" (79mm) of snow.

Daylight

In January, the average length of the day is 9h and 47min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:24 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.4h of sunshine.

UV index

The months with the lowest UV index in Olney 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 hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In January, an average UV index of 2 transforms into the following instructions:
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. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest month in Olney?

January is the coldest month in Olney, Missouri, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 22.5°F (-5.3°C).

How cold is January in Olney?

An average high-temperature, in January, in Olney, is 36.1°F (2.3°C) and the average low-temperature is 22.5°F (-5.3°C).

What is the average humidity in January in Olney?

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

What is the driest month in Olney?

January and February are months with the least rain in Olney when the rain falls for 6.7 days and typically aggregates up to 1.46" (37mm) of rain.

How much does it rain in Olney in January?

In Olney, Missouri, in January, it is raining for 6.7 days, with typically 1.46" (37mm) of accumulated precipitation.

When does it snow the most in Olney?

The month with the most snowfall in Olney is January, when snow falls for 5.7 days and typically aggregates up to 3.11" (79mm) of snow.

How many days does it snow in January in Olney?

In January, it is snowing for 5.7 days. Throughout January, 3.11" (79mm) of snow is accumulated.

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

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

What time are sunrise and sunset in January in Olney?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:24 pm CST.

What is the month with the least sunshine in Olney?

January has the least sunshine of the year, with an average of 4.4h of sunshine.

How long on average sun shines in January in Olney?

In Olney, the average sunshine duration in January is 4.4h.

What are the months with the lowest UV index in Olney?

January, February, November 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 in Olney?

In Olney, 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 unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41°F 5°C
36.1°F 2.3°C
40.6°F 4.8°C
Average low temperature
28.4°F -2°C
22.5°F -5.3°C
26.2°F -3.2°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.12" 765mmHg
Average wind speed
9mph 14.5km/h
9.3mph 15km/h
9.3mph 15km/h
Average max. wind speed
9.6mph 15.4km/h
9.9mph 15.9km/h
9.9mph 15.9km/h
Average wind speed gusts
14.5mph 23.3km/h
14.9mph 24km/h
14.6mph 23.5km/h
Average humidity
77%
76%
76%
Average rainfall
1.73" 44mm
1.46" 37mm
1.46" 37mm
Average rainfall days
6.5
6.7
6.8
Average snowfall
1.54" 39mm
3.11" 79mm
2.68" 68mm
Average snowfall days
4
5.7
5.9
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
4h 5min
4h 2min
4h 3min
Average sunshine days
20
19.3
15.7
Average UV index
2
2
2
Average cloud cover
49%
52%
51%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Olney, MO

Average temperature in January - Olney, MO
  • Average high temperature in January: 36.1°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in January: 22.5°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 (22.5°F).

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Average pressure in January
Olney, MO

Average pressure in January - Olney, MO
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Olney, MO

Average wind speed in January - Olney, MO
  • Average wind speed in January: 9.3mph

The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in January
Olney, MO

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Olney, MO

Average rainfall in January - Olney, MO
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is May (3.39").
The driest months (with the least rainfall) are January and February (1.46").

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Average rainfall days in January
Olney, MO

Average rainfall days in January - Olney, MO
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.5 days).

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Average snowfall in January
Olney, MO

Average snowfall in January - Olney, MO
  • Average snowfall in January: 3.11"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Olney, MO

Average snowfall days in January - Olney, MO
  • Average snowfall days in January: 5.7 days

The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Olney, MO
  • 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 30min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in January
Olney, MO

Average sunshine days in January - Olney, MO
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in January
Olney, MO

Average UV index in January - Olney, 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
Olney, MO

Average cloud cover in January - Olney, MO
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Olney, MO

Average visibility in January - Olney, 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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Olney, Missouri, USA

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