January weather forecast
Trotwood, OH

Share

Weather in January

January, like December, in Trotwood, Ohio, is a wintry winter month, with an average temperature fluctuating between 33.6°F (0.9°C) and 21.7°F (-5.7°C).

Temperature

January stands out as Trotwood's coldest month, with an average high-temperature of 33.6°F (0.9°C) and a low-temperature of 21.7°F (-5.7°C).

Humidity

The months with the highest humidity are January, February and December, with an average relative humidity of 82%.

Rainfall

In Trotwood, in January, during 7.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 149.5 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Trotwood. The month with the most snowfall in Trotwood is January, when snow falls for 8.2 days and typically aggregates up to 2.05" (52mm) of snow.

Daylight

In January, the average length of the day is 9h and 44min.
On the first day of the month, sunrise is at 7:58 am and sunset at 5:23 pm. On the last day of January, sunrise is at 7:46 am and sunset at 5:54 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.7h 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 exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, with average temperatures reaching a high of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C), is the coldest month.

How cold is January?

The high-temperature during January is 33.6°F (0.9°C) and the low-temperature is 21.7°F (-5.7°C).

What is the most humid month?

The months with the highest humidity are January, February and December, with an average relative humidity of 82%.

What is the average humidity in January?

In Trotwood, the average relative humidity in January is 82%.

How much does it rain in January?

In Trotwood, Ohio, in January, during 7.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 8.2 days and typically aggregates up to 2.05" (52mm) of snow.

How many days does it snow in January?

In Trotwood, in January, snow falls for 8.2 days, with typically accumulated 2.05" (52mm) of snow.

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

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

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:58 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:54 pm EST.

What is the month with the least sunshine in Trotwood?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

How many hours of sunshine does Trotwood have in January?

In Trotwood, the average sunshine duration in January is 3.7h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Trotwood, OH

Average temperature in January - Trotwood, OH
  • Average high temperature in January: 33.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in January: 21.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in January
Trotwood, OH

Average pressure in January - Trotwood, OH
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Trotwood, OH

Average wind speed in January - Trotwood, OH
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in January
Trotwood, OH

Average humidity in January - Trotwood, OH
  • Average humidity in January: 82%

The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in January
Trotwood, OH

Average rainfall in January - Trotwood, OH
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are September and November (1.5").

Average rainfall days in January
Trotwood, OH

Average rainfall days in January - Trotwood, OH
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in January
Trotwood, OH

Average snowfall in January - Trotwood, OH
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Trotwood, OH

Average snowfall days in January - Trotwood, OH
  • Average snowfall days in January: 8.2 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Trotwood, OH
  • 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: 3h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Trotwood, OH

Average sunshine days in January - Trotwood, OH
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in January
Trotwood, OH

Average UV index in January - Trotwood, OH
  • 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).

Average cloud cover in January
Trotwood, OH

Average cloud cover in January - Trotwood, OH
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in January
Trotwood, OH

Average visibility in January - Trotwood, 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).

Trotwood, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location