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
As September transitions into October, Grand Junction sees a clear drop in the average high-temperature, declining from a moderately hot 76.5°F (24.7°C) to a refreshing 60.8°F (16°C). An average nighttime temperature of 40.5°F (4.7°C) is witnessed throughout October.Humidity
In Grand Junction, the average relative humidity in October is 46%.Rainfall
In Grand Junction, in October, it is raining for 7.4 days, with typically 0.94" (24mm) of accumulated precipitation. In Grand Junction, during the entire year, the rain falls for 93.6 days and collects up to 8.46" (215mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. In Grand Junction, during the entire year, snow falls for 28.3 days and aggregates up to 11.5" (292mm) of snow.Daylight
In October, the average length of the day is 11h and 10min.On the first day of the month, sunrise is at 7:10 am and sunset at 6:56 pm. On the last day of October, in Grand Junction, sunrise is at 7:41 am and sunset at 6:14 pm MDT.
Sunshine
In Grand Junction, the average sunshine in October is 7.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in October leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are October temperatures in Grand Junction?
What is the average humidity in October in Grand Junction?
How much does it rain in Grand Junction in October?
When does it start snowing in Grand Junction?
How many hours of daylight does Grand Junction have in October?
When is the sunrise / sunset in October in Grand Junction?
How long on average sun shines in October in Grand Junction?
What is the UV index intensity in October in Grand Junction?
Average temperature in October
Grand Junction, CO
- Average high temperature in October: 60.8°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in October: 40.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in October
Grand Junction, CO
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.9"Hg).
Average wind speed in October
Grand Junction, CO
- Average wind speed in October: 5.6mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in October
Grand Junction, CO
- Average humidity in October: 46%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (29%).
Average rainfall in October
Grand Junction, CO
- Average rainfall in October: 0.94"
The wettest month (with the highest rainfall) is March (1.06").
The driest month (with the least rainfall) is June (0.51").
Average rainfall days in October
Grand Junction, CO
- Average rainfall days in October: 7.4 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in October
Grand Junction, CO
- Average snowfall in October: 0.12"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Grand Junction, CO
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Grand Junction, CO
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in October
Grand Junction, CO
- Average sunshine days in October: 21.4 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in October
Grand Junction, 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
Grand Junction, CO
- Average cloud cover in October: 15
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in October
Grand Junction, CO
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grand Junction, Colorado, USA
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