October weather forecast
Helena, OK

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Weather in October

October, the same as September, in Helena, Oklahoma, is another pleasant autumn month, with an average temperature ranging between max 70°F (21.1°C) and min 52.3°F (11.3°C).

Temperature

As Helena welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's warm 84.9°F (29.4°C) to an agreeable 70°F (21.1°C). Helena reports an average nighttime low-temperature of 52.3°F (11.3°C) in October.

Humidity

In October, the average relative humidity is 61%.

Rainfall

In Helena, Oklahoma, in October, during 8.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Helena, during the entire year, the rain falls for 103.1 days and collects up to 18.11" (460mm) of precipitation.

Snowfall

Months with snowfall in Helena, Oklahoma, are January through May, October through December. October is the first month it typically snows in Helena. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Helena, there are 8.7 snowfall days, and 4.06" (103mm) of snow is accumulated.

Daylight

In Helena, the average length of the day in October is 11h and 14min.
On the first day of the month, sunrise is at 7:28 am and sunset at 7:16 pm. On the last day of October, sunrise is at 7:56 am and sunset at 6:37 pm CDT.

Sunshine

The average sunshine in October is 7.4h.

UV index

The average daily maximum UV index in October in Helena is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 4 in October leads to these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What are the temperatures in Helena in October?

In Helena, 70°F (21.1°C) is the average high-temperature and 52.3°F (11.3°C) is the average low-temperature during October. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in October in Helena?

The average relative humidity in October in Helena, Oklahoma, is 61%.

How much does it rain in Helena in October?

In Helena, Oklahoma, in October, during 8.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When does it start to snow in Helena?

October is the first month it typically snows in Helena, Oklahoma. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October in Helena?

In October, the average day length in Helena, Oklahoma, is 11h and 14min.

When are sunrise and sunset in October in Helena?

On the first day of October, sunrise is at 7:28 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 6:37 pm CDT.

How many hours of sunshine does Helena have in October?

In October, the average sunshine duration is 7.4h.

How high is the UV index in October in Helena?

In Helena, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 October
Helena, OK

Average temperature in October - Helena, OK
  • Average high temperature in October: 70°F

The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in October: 52.3°F

The month with the highest average low temperature is July (75.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in October
Helena, OK

Average pressure in October - Helena, OK
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in October
Helena, OK

Average wind speed in October - Helena, OK
  • Average wind speed in October: 10.2mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

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Average humidity in October
Helena, OK

Average humidity in October - Helena, OK
  • Average humidity in October: 61%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is July (54%).

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Average rainfall in October
Helena, OK

Average rainfall in October - Helena, OK
  • Average rainfall in October: 2.4"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in October
Helena, OK

Average rainfall days in October - Helena, OK
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is December (3.6 days).

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Average snowfall in October
Helena, OK

Average snowfall in October - Helena, OK
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Helena, OK

Average snowfall days in October - Helena, OK
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Helena, OK

Average daylight in October / Average sunshine in October - Helena, OK
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in October: 7h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in October
Helena, OK

Average sunshine days in October - Helena, OK
  • Average sunshine days in October: 20.8 days

The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is May (15 days).

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Average UV index in October
Helena, OK

Average UV index in October - Helena, OK
  • Average UV index in October: 4

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in October
Helena, OK

Average cloud cover in October - Helena, OK
  • Average cloud cover in October: 23

The months with the most cloud cover are March and April (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 17).

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Average visibility in October
Helena, OK

Average visibility in October - Helena, OK
  • 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).

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Helena, Oklahoma, USA

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