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 to October brings a decrease in the average high-temperature, falling from a moderately hot 76.1°F (24.5°C) in September to a comfortable 64.4°F (18°C). Grottoes in October experiences a low-temperature average of 45.3°F (7.4°C).Humidity
The months with the highest humidity are May, September and October, with an average relative humidity of 78%.Rainfall
In Grottoes, in October, it is raining for 11.8 days, with typically 2.6" (66mm) of accumulated precipitation. In Grottoes, during the entire year, the rain falls for 164.3 days and collects up to 30.08" (764mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Grottoes. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.55" (14mm) of snow. In Grottoes, Virginia, during the entire year, snow falls for 21.7 days and aggregates up to 16.69" (424mm) of snow.Daylight
In Grottoes, the average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 7:11 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 6:16 pm EDT.
Sunshine
The average sunshine in October in Grottoes is 5.9h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 in October translates into these instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are October temperatures in Grottoes?
What is the most humid month in Grottoes?
What is the average humidity in October in Grottoes?
How many days does it rain in October in Grottoes?
When does it start to snow in Grottoes?
What is the average length of the day in October in Grottoes?
When is the sunrise / sunset in October in Grottoes?
How long on average sun shines in October in Grottoes?
What is the UV index intensity in October in Grottoes?
Average temperature in October
Grottoes, VA
- Average high temperature in October: 64.4°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in October: 45.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in October
Grottoes, VA
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in October
Grottoes, VA
- Average wind speed in October: 5.3mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in October
Grottoes, VA
- Average humidity in October: 78%
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January, June and July (74%).
Average rainfall in October
Grottoes, VA
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in October
Grottoes, VA
- Average rainfall days in October: 11.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in October
Grottoes, VA
- Average snowfall in October: 0.55"
The month with the highest snowfall is March (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Grottoes, VA
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Grottoes, VA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in October
Grottoes, VA
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in October
Grottoes, VA
- Average UV index in October: 3
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Grottoes, VA
- Average cloud cover in October: 37
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in October
Grottoes, VA
- Average visibility in October: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Grottoes, Virginia, USA
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