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 onset brings a reduction in the average high-temperature, from a warm 78.8°F (26°C) in September to an enjoyable 67.3°F (19.6°C). In Grimsley, the expected average low-temperature for October is a frosty 47.3°F (8.5°C).Humidity
The months with the lowest humidity in Grimsley are April, June, August, October and November, with an average relative humidity of 77%.Rainfall
In October, the rain falls for 11.5 days. Throughout October, 2.76" (70mm) of precipitation is accumulated. Throughout the year, in Grimsley, there are 170.9 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow. In Grimsley, during the entire year, snow falls for 26.1 days and aggregates up to 9.72" (247mm) of snow.Daylight
In October, the average length of the day in Grimsley is 11h and 15min.On the first day of October, sunrise is at 6:35 am and sunset at 6:23 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:44 pm CDT.
Sunshine
In October, the average sunshine is 7h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grimsley in October?
What is the least humid month?
What is the average humidity in October in Grimsley?
How many days does it rain in October in Grimsley?
When does it start to snow?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October in Grimsley?
How high is the UV index in October?
Average temperature in October
Grimsley, TN
- Average high temperature in October: 67.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in October
Grimsley, TN
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in October
Grimsley, TN
- Average wind speed in October: 5.5mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in October
Grimsley, TN
- Average humidity in October: 77%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).
Average rainfall in October
Grimsley, TN
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in October
Grimsley, TN
- Average rainfall days in October: 11.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in October
Grimsley, TN
- Average snowfall in October: 0.16"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Grimsley, TN
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (7.1 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
Grimsley, TN
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in October: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in October
Grimsley, TN
- Average sunshine days in October: 18 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in October
Grimsley, TN
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Grimsley, TN
- Average cloud cover in October: 38
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in October
Grimsley, TN
- Average visibility in October: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Grimsley, Tennessee, USA
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