Weather in Keystone in October 2017

Check the weather in Keystone in October before you book your next holiday in South Dakota. Long-term weather averages give the best indication of the weather in October 2017 and include figures for temperature, sunshine and rainfall plus sunrise & sunset times for Keystone, South Dakota, United States.

Weather in Keystone in October

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • 16°C maximum daytime temperature in October in Keystone16
    16°C max day temperature
  • 7 hours of sunshine per day (65% of daylight hours) in October in Keystone7
    7 hours of sunshine per day
  • 6 days with some rainfall in October in Keystone6
    6 days with some rainfall
  • 1°C minimum night-time temperature in October in Keystone1
    1°C min night temperature
  • 11 hours of daylight per day in October in Keystone11
    11 hours of daylight per day
  • No heat & humidity in October in Keystone0
    No heat & humidity
  • 25 mm monthly rainfall in October in Keystone25
    25 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Keystone3
    3 (Moderate) UV index

The average maximum daytime temperature in Keystone in October is a comfortable 16°C (61°F). There are usually 7 hours of bright sunshine each day, which represents 65% of the 11 hours of daylight.

Expect 25mm (1.0 inches) of rainfall across the whole of October with 6 days with some rain falling. Maximum UV levels will be moderate (3 UV index) at midday when the skies are clear. The average night-time temperature is usually a cold 1°C (34°F).

Metric (°C / mm)  |  Imperial (°F / inches)

More about Keystone weather

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Keystone sunrise & sunset times for October 2017

Browse the sunrise & sunset times for Keystone in October 2017. Select a month to view Keystone sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st October 2017 06:52 18:34
Monday, 2nd October 2017 06:53 18:32
Tuesday, 3rd October 2017 06:54 18:30
Wednesday, 4th October 2017 06:55 18:29
Thursday, 5th October 2017 06:56 18:27
Friday, 6th October 2017 06:58 18:25
Saturday, 7th October 2017 06:59 18:23
Sunday, 8th October 2017 07:00 18:21
Monday, 9th October 2017 07:01 18:20
Tuesday, 10th October 2017 07:02 18:18
Wednesday, 11th October 2017 07:04 18:16
Thursday, 12th October 2017 07:05 18:14
Friday, 13th October 2017 07:06 18:13
Saturday, 14th October 2017 07:07 18:11
Sunday, 15th October 2017 07:09 18:09
Monday, 16th October 2017 07:10 18:08
Tuesday, 17th October 2017 07:11 18:06
Wednesday, 18th October 2017 07:12 18:04
Thursday, 19th October 2017 07:14 18:03
Friday, 20th October 2017 07:15 18:01
Saturday, 21st October 2017 07:16 18:00
Sunday, 22nd October 2017 07:17 17:58
Monday, 23rd October 2017 07:19 17:57
Tuesday, 24th October 2017 07:20 17:55
Wednesday, 25th October 2017 07:21 17:54
Thursday, 26th October 2017 07:23 17:52
Friday, 27th October 2017 07:24 17:51
Saturday, 28th October 2017 07:25 17:49
Sunday, 29th October 2017 07:26 17:48
Monday, 30th October 2017 07:28 17:46
Tuesday, 31st October 2017 07:29 17:45
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Keystone weather by month

Check Keystone weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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