October weather forecast
Hamilton, OH

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Weather in October

As October rolls in, Hamilton, Ohio, experiences full-fledged autumn. The temperatures continue dropping, and the conditions become increasingly pleasant. Though rainfall levels rise slightly to 1.5" (38mm), the weather remains largely dry with a moderate amount of sunshine. With the signal of clear skies most days, outdoor activities continue to flourish amidst the scenic autumn landscapes. One can appreciate the multitude of colors illuminating the city during sunset hours.

Temperature

The beginning of October involves a decrease in the average high-temperature, transitioning from a warm 77°F (25°C) in September to an enjoyable 64°F (17.8°C). Throughout October, the temperature falls to an average low of 47.3°F (8.5°C).

Humidity

The least humid month is October, with an average relative humidity of 74%.

Rainfall

In Hamilton, in October, during 10.5 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Hamilton, during the entire year, the rain falls for 147.8 days and collects up to 24.33" (618mm) of precipitation.

Snowfall

In Hamilton, snow does not fall in May through October.

Daylight

In October, the average length of the day is 11h and 9min.
On the first day of October, sunrise is at 7:35 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 6:37 pm EDT.

Sunshine

In October, the average sunshine is 6.7h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, an average UV index of 3 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Hamilton in October?

In Hamilton, 64°F (17.8°C) is the average high-temperature and 47.3°F (8.5°C) is the average low-temperature during October. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 89.6°F (32°C).

What is the least humid month in Hamilton?

With an average relative humidity of 74%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity is 74%.

How much does it rain in October?

In Hamilton, during October, the rain falls for 10.5 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow?

In Hamilton, snow does not fall in May through October.

Does it snow in October?

In Hamilton, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October?

In Hamilton, the average day length in October is 11h and 9min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:35 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 6:37 pm EDT.

How long on average sun shines in October?

In Hamilton, the average sunshine duration in October is 6.7h.

How high is the UV index in October?

In Hamilton, Ohio, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Hamilton, OH

Average temperature in October - Hamilton, OH
  • Average high temperature in October: 64°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 October: 47.3°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).

Average pressure in October
Hamilton, OH

Average pressure in October - Hamilton, OH
  • Average pressure in October: 30.04"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).

Average wind speed in October
Hamilton, OH

Average wind speed in October - Hamilton, OH
  • Average wind speed in October: 7.3mph

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).

Average humidity in October
Hamilton, OH

Average humidity in October - Hamilton, OH
  • Average humidity in October: 74%

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

Average rainfall in October
Hamilton, OH

Average rainfall in October - Hamilton, OH
  • Average rainfall in October: 1.5"

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

Average rainfall days in October
Hamilton, OH

Average rainfall days in October - Hamilton, OH
  • Average rainfall days in October: 10.5 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).

Average snowfall in October
Hamilton, OH

Average snowfall in October - Hamilton, OH
  • Average snowfall in October: 0"

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").

Average snowfall days in October
Hamilton, OH

Average snowfall days in October - Hamilton, OH
  • Average snowfall days in October: 0 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).

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

Average daylight in October / Average sunshine in October - Hamilton, OH
  • Average daylight in October: 11h and 1min

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 October: 6h and 4min

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).

Average sunshine days in October
Hamilton, OH

Average sunshine days in October - Hamilton, OH
  • Average sunshine days in October: 19.5 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).

Average UV index in October
Hamilton, OH

Average UV index in October - Hamilton, OH
  • Average UV index in October: 3

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).

Average cloud cover in October
Hamilton, OH

Average cloud cover in October - Hamilton, OH
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October
Hamilton, OH

Average visibility in October - Hamilton, OH
  • Average visibility in October: 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).

Hamilton, Ohio, USA

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