October weather forecastGrand Lake, CO
October
Weather in October
October, the same as September, in Grand Lake, Colorado, is another chilly autumn month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 46.8°F (8.2°C).Temperature
In October, the meteorological conditions markedly change with the average high-temperature descending from an enjoyable 63.7°F (17.6°C) in September to a chilly 46.8°F (8.2°C). Following the sharp contrast to daytime warmth, an average nighttime temperature of 24.3°F (-4.3°C) gets registered during October.Humidity
In Grand Lake, the average relative humidity in October is 63%.Rainfall
In Grand Lake, in October, during 3.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Grand Lake, during the entire year, the rain falls for 82.5 days and collects up to 8.19" (208mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Grand Lake, during October, snow falls for 7.3 days and regularly aggregates up to 3.43" (87mm) of snow. In Grand Lake, during the entire year, snow falls for 90.8 days and aggregates up to 39.13" (994mm) of snow.Daylight
The average length of the day in October is 11h and 7min.On the first day of October in Grand Lake, sunrise is at 7:00 am and sunset at 6:44 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 is 7.1h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during October leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grand Lake, CO
- Average high temperature in October: 46.8°F
The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is December (23.4°F).
- Average low temperature in October: 24.3°F
The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).
Average pressure in October
Grand Lake, CO
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in October
Grand Lake, CO
- Average wind speed in October: 6.2mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in October
Grand Lake, CO
- Average humidity in October: 63%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).
Average rainfall in October
Grand Lake, CO
- Average rainfall in October: 0.47"
The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are September, November and December (0.39").
Average rainfall days in October
Grand Lake, CO
- Average rainfall days in October: 3.5 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in October
Grand Lake, CO
- Average snowfall in October: 3.43"
The month with the highest snowfall is April (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Grand Lake, CO
- Average snowfall days in October: 7.3 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in October /
Average sunshine in October
Grand Lake, CO
- Average daylight in October: 11h and 6min
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 6min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in October
Grand Lake, CO
- Average sunshine days in October: 21 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in October
Grand Lake, CO
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Grand Lake, CO
- Average cloud cover in October: 21
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in October
Grand Lake, 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 and December (4mi).





