Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The shift from September to October in Johnstown, Colorado, sees a distinct decrease in the average high-temperature, dropping from a warm 79.7°F (26.5°C) to a refreshing 63.3°F (17.4°C). With a significant daily temperature differential, Johnstown's nighttime temperature in October falls to an average of 40.3°F (4.6°C).Humidity
The average relative humidity in October is 48%.Rainfall
In Johnstown, during October, the rain falls for 6.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 107.4 rainfall days, and 11.3" (287mm) of precipitation is accumulated.Snowfall
Months with snowfall in Johnstown, Colorado, are January through May, October through December. October is the first month it typically snows in Johnstown. Throughout October, in the average 2.8 snowfall days, it receives 2.87" (73mm) of snow. Throughout the year, in Johnstown, Colorado, there are 41 snowfall days, and 25.51" (648mm) of snow is accumulated.Daylight
The average length of the day in October in Johnstown is 11h and 7min.On the first day of the month, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of October, in Johnstown, sunrise is at 7:29 am and sunset at 5:57 pm MDT.
Sunshine
In October, the average sunshine in Johnstown is 7.5h.UV index
In Johnstown, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during October translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Johnstown in October?
What is the average humidity in October in Johnstown?
How much does it rain in Johnstown in October?
When does it start snowing in Johnstown?
How many hours of daylight does Johnstown have in October?
When is the sunrise / sunset in October in Johnstown?
How many hours of sunshine does Johnstown have in October?
What is the UV index reading in October in Johnstown?
Average temperature in October
Johnstown, CO
- Average high temperature in October: 63.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.4°F).
- Average low temperature in October: 40.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in October
Johnstown, CO
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Johnstown, CO
- Average wind speed in October: 6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).
Average humidity in October
Johnstown, CO
- Average humidity in October: 48%
The months with the highest relative humidity are January, February and December (63%).
The months with the lowest relative humidity are August and September (42%).
Average rainfall in October
Johnstown, CO
- Average rainfall in October: 0.75"
The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in October
Johnstown, CO
- Average rainfall days in October: 6.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (3.7 days).
Average snowfall in October
Johnstown, CO
- Average snowfall in October: 2.87"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Johnstown, CO
- Average snowfall days in October: 2.8 days
The month with the highest number of snowfall days is February (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Johnstown, CO
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 7h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in October
Johnstown, CO
- Average sunshine days in October: 20.1 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in October
Johnstown, CO
- Average UV index in October: 3
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 October
Johnstown, CO
- Average cloud cover in October: 18
The month with the most cloud cover is April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in October
Johnstown, CO
- 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).
Johnstown, Colorado, USA
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