AI-generatedKnoxville at a glance
- Best time
- Apr – May, Sep – Oct
- Warmest month
- Jul · 30°
- Sunshine a year
- 2,140 h
- Rain a year
- 1,209 mm
- Climate
- Temperate
- Time zone
- UTC−5 / UTC−4
- Elevation
- 276 m
Climate in Knoxville
Knoxville has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 30 °C, while January is the coolest at 8 °C. With around 2,140 hours of sunshine a year, Knoxville is moderately sunny; June is the sunniest month with 7.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: April – May, September – October
October is the peak of the hurricane season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 12°
- Midday, 13:00: about 20°
- Afternoon, 16:00: about 21°
- Evening, 20:00: about 17°
- Night, 23:00: about 15°
07:4119:01
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:25–08:16 · evening 18:27–19:17
- Blue hour
- Morning 07:15–07:25 · evening 19:17–19:27
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Knoxville in October?
In October, Knoxville is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 71 mm. All in all, October is an excellent month for a holiday in Knoxville.
More details for October
- Daylight
- 11 h 20 min07:41 – 19:01
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 46 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 30 %73 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Sunshine hours in Knoxville
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.9 of 11.3 hours of daylight in Knoxville, 52 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Knoxville
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 25 min
- Fair skin
- about 35 min
- Light brown skin
- about 45 min
- Olive skin
- about 60 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Knoxville: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Knoxville has about 8 rainy days with 71 mm of rain in total.
Wind and clouds in Knoxville
How breezy and how cloudy Knoxville is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Knoxville typically peaks at 12 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 46 % of the sky over Knoxville: variable cloud, with about 5.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Knoxville
How often the day gets hot in Knoxville (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Knoxville has about 0 hot days, with an average daytime high of 21 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Knoxville
Snow is possible in Knoxville, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Knoxville.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Knoxville
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 11°. A duvet at night and a jumper for the evening. Muggy on about 1 days (dew point 18 °C or more).
The coolest nights are in January (−1°), the warmest in July (21°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 75 days a year, mostly from June to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 21 | 8° | −1° | 4.2 h | 11 | 114 |
| FebruaryFeb | 34 | 11° | 1° | 4.4 h | 11 | 113 |
| MarchMar | 60 | 16° | 5° | 5.5 h | 12 | 113 |
| AprilApr | 77 | 20° | 9° | 6.6 h | 11 | 107 |
| MayMay | 76 | 25° | 14° | 6.8 h | 12 | 95 |
| JuneJun | 65 | 29° | 19° | 7.4 h | 13 | 89 |
| JulyJul | 52 | 30° | 21° | 7.2 h | 15 | 120 |
| AugustAug | 60 | 30° | 20° | 7.0 h | 12 | 91 |
| SeptemberSep | 81 | 27° | 17° | 6.3 h | 8 | 89 |
| OctoberOct | 82 | 21° | 11° | 5.9 h | 8 | 71 |
| NovemberNov | 61 | 15° | 5° | 5.0 h | 9 | 92 |
| DecemberDec | 30 | 10° | 2° | 3.9 h | 11 | 114 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
35.96° N, 83.92° W · 276 m · America/New_York
Best time to visit Knoxville
The best time to visit Knoxville is from April to May and from September to October. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from September to November. Rain is most frequent from June to July; the wettest month is July with 120 mm.
Knoxville through the seasons
How the weather changes over the seasons, with averages for each.
Knoxville in spring
Mar – May
Good
- 16–25 °C by day
- 6 h of sun a day
- 34 rainy days in all
Knoxville in summer
Jun – Aug
Fair
- 29–30 °C by day
- 7 h of sun a day
- 39 rainy days in all
Knoxville in autumn
Sep – Nov
Good
- 15–27 °C by day
- 6 h of sun a day
- 25 rainy days in all
Knoxville in winter
Dec – Feb
Poor
- 8–11 °C by day
- 4 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Knoxville for you.
Your best months: May, October
Based on the climate averages; tap a month to see its details.
Compare two months in Knoxville
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and September bring similar holiday weather to Knoxville (score 82 and 81). In September, days are 6 °C warmer than in October.
| Month | October | September |
|---|---|---|
| Weather score | 82 | 81 |
| Day high | 21° | 27° |
| Night low | 11° | 17° |
| Sunshine | 5.9 h | 6.3 h |
| Rainy days | 8 | 8 |
| Rainfall | 71 mmbetter | 89 mm |
| Muggy days | 1better | 8 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – May, Sep – Nov
15–28 °C and not too much rain
Rainy months
Jun – Jul
12 or more rainy days
Knoxville month by month
The typical weather for every month at a glance.
21January8° · 4 h
In January, Knoxville is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 114 mm in total. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in Knoxville.
Knoxville in January34February11° · 4 h
In February, Knoxville is cool: daytime highs average 11 °C, and nights cool down to about 1 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 113 mm in total. Snow falls on about 2 days. All in all, February is not an ideal month for a holiday in Knoxville.
Knoxville in February60March16° · 6 h
In March, Knoxville is cool: daytime highs average 16 °C, and nights cool down to about 5 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 113 mm in total. All in all, March is a good month for a holiday in Knoxville.
Knoxville in March77April20° · 7 h
In April, Knoxville is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 107 mm in total. All in all, April is a good month for a holiday in Knoxville.
Knoxville in April76May25° · 7 h
In May, Knoxville is warm: daytime highs average 25 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 95 mm in total. All in all, May is a good month for a holiday in Knoxville.
Knoxville in May65June29° · 7 h
In June, Knoxville is hot: daytime highs average 29 °C, and nights cool down to about 19 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 89 mm in total. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Knoxville.
Knoxville in June52July30° · 7 h
In July, Knoxville is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 120 mm. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Knoxville.
Knoxville in July60August30° · 7 h
In August, Knoxville is hot: daytime highs average 30 °C, and even at night it stays warm at around 20 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 91 mm in total. On about 15 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Knoxville.
Knoxville in August81September27° · 6 h
In September, Knoxville is hot: daytime highs average 27 °C, and nights cool down to about 17 °C. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 89 mm. On about 7 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Knoxville.
Knoxville in September82October21° · 6 h
In October, Knoxville is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 71 mm. All in all, October is an excellent month for a holiday in Knoxville.
Knoxville in October61November15° · 5 h
In November, Knoxville is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 92 mm in total. All in all, November is a good month for a holiday in Knoxville.
Knoxville in November30December10° · 4 h
In December, Knoxville is cool: daytime highs average 10 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 114 mm in total. All in all, December is not an ideal month for a holiday in Knoxville.
Knoxville in DecemberKnoxville compared
Put Knoxville side by side with another destination.
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Knoxville vs. Gatlinburg (Smoky Mountains)
In October the holiday weather in Knoxville and Gatlinburg (Smoky Mountains) is about equally good (score 82 vs. 81). During the day it is about as warm in Gatlinburg (Smoky Mountains) as in Knoxville.
| in October | Knoxville | Gatlinburg (Smoky Mountains) |
|---|---|---|
| Holiday score | 82 | 81 |
| Daytime high | 21° | 21° |
| Sunshine | 6 h | 6 h |
| Rainy days | 8 | 8 |
| Best time | Apr – May, Sep – Oct | Apr – Jun, Sep – Oct |
Through the year
USA in October: the best places
In October, Knoxville ranks 10 among the 31 nearest destinations in this country.
- Panama City Beach25°26°90
- 2Destin26°26°89
- 3Mobile26°25°87
- 4Greenville22°85
- 5Atlanta22°85
- 6Charlotte22°85
- 7Raleigh22°84
- 8Savannah25°84
- 10KnoxvilleThis page21°82
Planning a trip to Knoxville
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Knoxville in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Knoxville has its best school-holiday weather during October half-term (score 82) and its weakest during the Christmas holidays (score 26).
- 72
Easter holidays
Mar – Apr
Good
- 19 °C by day
- 6.3 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 74
May half-term
May – Jun
Good
- 25 °C by day
- 6.9 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 57
Summer holidays
Jul – Aug
Fair
- 30 °C by day
- 7.1 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain, Storm season
- 82
October half-term
Oct
ExcellentBest holidays
- 21 °C by day
- 5.9 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 26
Christmas holidays
Dec – Jan
Poor
- 9 °C by day
- 4.1 h of sun a day
- 11 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 8 h 25 min
- Distance
- 6,550 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Knoxville lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Knoxville
When is the best time to visit Knoxville?
The best time to visit Knoxville is from April to May and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Knoxville?
July is the warmest month, with average highs of 30 °C and nights around 21 °C. January is the coolest month at 8 °C.
When does it rain most in Knoxville?
Rain is most frequent from June to July; the wettest month is July with 120 mm. The driest month is October with 71 mm.
How many hours of sunshine does Knoxville get?
Knoxville gets around 2,140 hours of sunshine a year. The sunniest month is June with 7.4 hours a day; in December there are 3.9 hours a day.
What time zone is Knoxville in?
Knoxville uses the time zone America/New_York: UTC−5 in January and UTC−4 in July.
How long is the flight from London to Knoxville?
A nonstop flight from London to Knoxville takes about 8 h 25 min, for a straight-line distance of about 6,550 km.
When is hurricane season in Knoxville?
Knoxville lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Knoxville?
Knoxville has its best school-holiday weather during October half-term (score 82) and its weakest during the Christmas holidays (score 26). Holiday ratings (0–100): Easter holidays 72, May half-term 74, Summer holidays 57, October half-term 82, Christmas holidays 26.
Near Knoxville
Other destinations close by.
Places with a climate like Knoxville
Destinations whose weather through the year is closest to Knoxville's – good alternatives.