AI-generatedDuluth at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 27°
- Sunshine a year
- 2,140 h
- Rain a year
- 888 mm
- Climate
- Continental
- Time zone
- UTC−6 / UTC−5
- Elevation
- 214 m
Climate in Duluth
Duluth has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 27 °C, while January is the coolest at −5 °C. With around 2,140 hours of sunshine a year, Duluth is moderately sunny; July is the sunniest month with 9.0 hours a day.
Holiday weather through the year
Best time to visit Duluth
The best time to visit Duluth is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. The wettest month is June with 101 mm of precipitation.
Duluth through the seasons
How the weather changes over the seasons, with averages for each.
Duluth in spring
Mar – May
Fair
- 4–19 °C by day
- 6.6 h of sun a day
- 30 rainy days in all
Duluth in summer
Jun – Aug
Excellent
- 24–27 °C by day
- 8.4 h of sun a day
- 33 rainy days in all
Duluth in autumn
Sep – Nov
Fair
- 4–21 °C by day
- 4.7 h of sun a day
- 30 rainy days in all
Duluth in winter
Dec – Feb
Poor
- −5–−2 °C by day
- 3.7 h of sun a day
- 20 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Sep
15–28 °C and not too much rain
Snow
Nov – Apr
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Duluth for you.
Your best months: June, August – September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
A typical day in October
- Morning, 08:00: about 5°
- Midday, 13:00: about 12°
- Afternoon, 16:00: about 13°
- Evening, 20:00: about 9°
- Night, 23:00: about 7°
07:2418:24
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:06–08:06 · evening 17:42–18:42
- Blue hour
- Morning 06:54–07:06 · evening 18:42–18:54
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.
October in Duluth compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 17° at the start of the month to 9° at the end. The days get 1.6 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 17° | 9° |
| Night-time low | 7° | 0° |
| Daylight | 11.8 h | 10.2 h |
What is the weather like in Duluth in October?
In October, Duluth is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 100 mm in total. All in all, October is a so-so month for a holiday in Duluth.
More details for October
- Daylight
- 10 h 59 min07:24 – 18:24
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 27 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC−5offset from UTC
How the score comes together
- Temperatureweight 50 %51 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Duluth
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Duluth: score 85 against 45. In July, days are 14 °C warmer than in October. The sun shines 5 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 45 | 85better |
| Daytime high | 13° | 27° |
| Night-time low | 4° | 15° |
| Sunshine | 4.4 h | 9.0 hbetter |
| Rainy days | 11 | 11 |
| Rainfall | 100 mm | 91 mm |
| Muggy days | 0better | 8 |
Based on the climate averages 1996–2025.
Duluth month by month
The typical weather for every month at a glance.
27January−5° · 3.6 h
In January, Duluth is bitterly cold: daytime highs average −5 °C, and nights often drop below freezing (−15 °C). The sun is scarce, with only about 3.6 hours a day. Precipitation falls on about 6 days, totalling 26 mm; on about 5 of them it snows. All in all, January is not an ideal month for a holiday in Duluth.
Duluth in January33February−2° · 4.9 h
In February, Duluth is bitterly cold: daytime highs average −2 °C, and nights often drop below freezing (−13 °C). Expect around 4.9 hours of sunshine a day. Precipitation falls on about 6 days, totalling 30 mm; on about 4 of them it snows. All in all, February is not an ideal month for a holiday in Duluth.
Duluth in February32March4° · 5.8 h
In March, Duluth is cold: daytime highs average 4 °C, and nights often drop below freezing (−6 °C). Expect around 5.8 hours of sunshine a day. Precipitation falls on about 8 days, totalling 52 mm; on about 4 of them it snows. All in all, March is not an ideal month for a holiday in Duluth.
Duluth in March42April11° · 6.5 h
In April, Duluth is cool: daytime highs average 11 °C, and nights cool down to about 0 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 11 rainy days and 90 mm in total. Snow falls on about 3 days. All in all, April is a so-so month for a holiday in Duluth.
Duluth in April79May19° · 7.4 h
In May, Duluth is mild: daytime highs average 19 °C, and nights cool down to about 7 °C. The sun shines for around 7.4 hours a day. Rain is frequent, with about 11 rainy days and 97 mm in total. All in all, May is a good month for a holiday in Duluth.
Duluth in May82June24° · 8.3 h
In June, Duluth is warm: daytime highs average 24 °C, and nights cool down to about 12 °C. The sun shines for around 8.3 hours a day. Rain is frequent, with about 12 rainy days and 101 mm in total. All in all, June is an excellent month for a holiday in Duluth.
Duluth in June85July27° · 9.0 h
In July, Duluth is hot: daytime highs average 27 °C, and nights cool down to about 15 °C. With around 9.0 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 11 rainy days and 91 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Duluth.
Duluth in July82August26° · 7.8 h
In August, Duluth is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sun shines for around 7.8 hours a day. Rain is frequent, with about 10 rainy days and 97 mm in total. All in all, August is an excellent month for a holiday in Duluth.
Duluth in August78September21° · 6.4 h
In September, Duluth is warm: daytime highs average 21 °C, and nights cool down to about 10 °C. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 90 mm in total. All in all, September is a good month for a holiday in Duluth.
Duluth in September45October13° · 4.4 h
In October, Duluth is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 100 mm in total. All in all, October is a so-so month for a holiday in Duluth.
Duluth in October20November4° · 3.3 h
In November, Duluth is cold: daytime highs average 4 °C, and nights often drop below freezing (−4 °C). The sun is scarce, with only about 3.3 hours a day. Rain is frequent, with about 9 rainy days and 64 mm in total. Snow falls on about 3 days. All in all, November is not an ideal month for a holiday in Duluth.
Duluth in November21December−2° · 2.7 h
In December, Duluth is bitterly cold: daytime highs average −3 °C, and nights often drop below freezing (−11 °C). The sun is scarce, with only about 2.7 hours a day. Precipitation falls on about 8 days, totalling 52 mm; on about 6 of them it snows. All in all, December is not an ideal month for a holiday in Duluth.
Duluth in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Duluth
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 4°. The room should be heated.
The coolest nights are in January (−15°), the warmest in July (15°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from October to May, so the room should be heated.
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 | 27 | −5° | −15° | 3.6 h | 6 | 26 |
| FebruaryFeb | 33 | −2° | −13° | 4.9 h | 6 | 30 |
| MarchMar | 32 | 4° | −6° | 5.8 h | 8 | 52 |
| AprilApr | 42 | 11° | 0° | 6.5 h | 11 | 90 |
| MayMay | 79 | 19° | 7° | 7.4 h | 11 | 97 |
| JuneJun | 82 | 24° | 12° | 8.3 h | 12 | 101 |
| JulyJul | 85 | 27° | 15° | 9.0 h | 11 | 91 |
| AugustAug | 82 | 26° | 15° | 7.8 h | 10 | 97 |
| SeptemberSep | 78 | 21° | 10° | 6.4 h | 10 | 90 |
| OctoberOct | 45 | 13° | 4° | 4.4 h | 11 | 100 |
| NovemberNov | 20 | 4° | −4° | 3.3 h | 9 | 64 |
| DecemberDec | 21 | −3° | −11° | 2.7 h | 8 | 52 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
46.78° N, 92.11° W · 214 m · America/Chicago
Sunshine hours in Duluth
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 4.4 of 11.0 hours of daylight in Duluth, 40 % of the daylight hours.
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.
Rain in Duluth: 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, Duluth has about 11 rainy days with 100 mm of rain in total.
UV index in Duluth
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 50 min
- Fair skin
- about 60 min
- Light brown skin
- about 85 min
- Olive skin
- about 110 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.
Wind and clouds in Duluth
How breezy and how cloudy Duluth 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 Duluth typically peaks at 27 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 64 % of the sky over Duluth: variable cloud, with about 4.4 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 Duluth
How often the day gets hot in Duluth (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, Duluth has about 0 hot days, with an average daytime high of 13 °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 Duluth
When Duluth is likely to be white: 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, Duluth has about 1 day with at least 1 cm of fresh snow, 2 cm in total. The chance of seeing snow during a week's stay is 8 out of 100: hardly any.
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.
Planning a trip to Duluth
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Duluth 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.
Duluth has its best school-holiday weather during the summer holidays (score 83) and its weakest during the Christmas holidays (score 24).
- 39
Easter holidays
Mar – Apr
Poor
- 9 °C by day
- 6.3 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
- 80
May half-term
May – Jun
Excellent
- 20 °C by day
- 7.6 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 83
Summer holidays
Jul – Aug
ExcellentBest holidays
- 26 °C by day
- 8.2 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 45
October half-term
Oct
Fair
- 13 °C by day
- 4.4 h of sun a day
- 11 rainy days a month
- 24
Christmas holidays
Dec – Jan
Poor
- −4 °C by day
- 3.2 h of sun a day
- 7 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 8 h
- Distance
- 6,240 km
- Time zone
- UTC−5
- Jet lag
- About 4 days (6 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.
Compare & alternatives
Duluth compared
Put Duluth side by side with another destination.
Duluth vs Saint Paul
In October Saint Paul has the better holiday weather (score 61 vs 45). During the day Saint Paul is 2 °C warmer than Duluth. Saint Paul gets one more hour of sunshine a day.
| in October | Duluth | Saint Paul |
|---|---|---|
| Holiday weather score | 45 | 61 |
| Daytime high | 13° | 15° |
| Sunshine | 4 h | 5 h |
| Rainy days | 11 | 9 |
| Best time | May – Sep | May – Sep |
Through the year
USA in October: the best places
In October, Duluth ranks 31 among the 31 nearest destinations in this country.
- Denver20°87
- 2Wichita22°85
- 3Memphis24°84
- 4Omaha19°83
- 5Cheyenne15°83
- 6Tulsa23°82
- 7Nashville23°82
- 8Kansas City20°81
- 31DuluthThis page13°45
Near Duluth
Other destinations close by.
Places with a climate like Duluth
Destinations whose weather through the year is closest to Duluth's – good alternatives.
Frequently asked questions about Duluth
When is the best time to visit Duluth?
The best time to visit Duluth is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Duluth?
July is the warmest month, with average highs of 27 °C and nights around 15 °C. January is the coolest month at −5 °C.
When does it rain most in Duluth?
The wettest month is June with 101 mm of precipitation. The driest month is January with 26 mm.
How many hours of sunshine does Duluth get?
Duluth gets around 2,140 hours of sunshine a year. The sunniest month is July with 9.0 hours a day; in December there are 2.7 hours a day.
What time zone is Duluth in?
Duluth is on UTC−6 in January and UTC−5 in July.
How long is the flight from London to Duluth?
A nonstop flight from London to Duluth takes about 8 h, for a straight-line distance of about 6,240 km.
Which school holidays are best for Duluth?
Duluth has its best school-holiday weather during the summer holidays (score 83) and its weakest during the Christmas holidays (score 24). Holiday ratings (0–100): Easter holidays 39, May half-term 80, summer holidays 83, October half-term 45, Christmas holidays 24.