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
October's arrival signals a distinct temperature shift, dropping from an enjoyable 64.4°F (18°C) in September to a chilly 47.8°F (8.8°C). A marked difference from the daytime temperatures, Granby's nighttime temperature falls to an average low of 25.5°F (-3.6°C) in October.Humidity
In October, the average relative humidity is 62%.Rainfall
In Granby, Colorado, in October, during 4.9 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Granby, during the entire year, the rain falls for 96.3 days and collects up to 11.54" (293mm) of precipitation.Snowfall
January through June, August through December are months with snowfall in Granby, Colorado. In Granby, Colorado, in October, during 9 snowfall days, 5.67" (144mm) of snow is typically accumulated. In Granby, Colorado, during the entire year, snow falls for 110.7 days and aggregates up to 59.88" (1521mm) of snow.Daylight
In October, the average length of the day in Granby, Colorado, is 11h and 8min.On the first day of October in Granby, sunrise is at 7:00 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:01 pm MDT.
Sunshine
The average sunshine in October in Granby is 7.2h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In October, the maximum UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in Granby in October?
What is the average humidity in October in Granby?
How much does it rain in Granby in October?
How many days does it snow in October in Granby?
What is the average length of the day in October in Granby?
When is the sunrise / sunset in October in Granby?
How long on average sun shines in October in Granby?
What is the month with the lowest UV index in Granby?
What is the UV index reading in October in Granby?
Average temperature in October
Granby, CO
- Average high temperature in October: 47.8°F
The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (24.6°F).
- Average low temperature in October: 25.5°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in October
Granby, CO
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in October
Granby, CO
- Average wind speed in October: 6.2mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Granby, CO
- Average humidity in October: 62%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).
Average rainfall in October
Granby, CO
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in October
Granby, CO
- Average rainfall days in October: 4.9 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).
Average snowfall in October
Granby, CO
- Average snowfall in October: 5.67"
The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").
Average snowfall days in October
Granby, CO
- Average snowfall days in October: 9 days
The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in October /
Average sunshine in October
Granby, 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in October
Granby, CO
- Average sunshine days in October: 18.3 days
The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in October
Granby, CO
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in October
Granby, CO
- Average cloud cover in October: 20
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in October
Granby, CO
- Average visibility in October: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Granby, Colorado, USA
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