AI-generatedSeward, Alaska at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 13°
- Warmest sea
- Aug · 13.5°
- Sunshine a year
- 1,520 h
- Rain a year
- 3,192 mm
- Climate
- Continental
- Time zone
- UTC−9 / UTC−8
- Elevation
- 28 m
Climate in Seward, Alaska
Seward, Alaska has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 13 °C, while January is the coolest at −1 °C. With around 1,520 hours of sunshine a year, Seward, Alaska is rather dull; May is the sunniest month with 7.2 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Keep in mindFrequent rainSnow
A typical day in October
- Morning, 08:00: about 2°
- Midday, 13:00: about 4°
- Afternoon, 16:00: about 5°
- Evening, 20:00: about 4°
- Night, 23:00: about 3°
08:3518:52
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 08:09–09:34 · evening 17:53–19:18
- Blue hour
- Morning 07:52–08:09 · evening 19:18–19:34
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 Seward, Alaska in October?
In October, Seward, Alaska is cold: daytime highs average 5 °C, and nights cool down to about 2 °C. The sea averages 9.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 20 days, adding up to 344 mm. Snow falls on about 5 days. All in all, October is not an ideal month for a holiday in Seward, Alaska.
More details for October
- Daylight
- 10 h 18 min08:35 – 18:52
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 5 days1 cm or more of fresh snowAll months
- Time zone
- UTC−8America/Anchorage
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Sea temperature in Seward, Alaska
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 8.9 – 10.2 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Seward, Alaska ranges from 4.6 °C in March to 13.5 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
From August to June the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 12.1 and 14.6 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 5.6° | 4.8° | 6.4° | cold |
| FebruaryFeb | 5.0° | 4.1° | 6.0° | cold |
| MarchMar | 4.6° | 3.9° | 5.8° | cold |
| AprilApr | 5.2° | 4.4° | 6.1° | cold |
| MayMay | 7.4° | 6.4° | 8.3° | cold |
| JuneJun | 10.4° | 9.0° | 11.7° | cold |
| JulyJul | 12.9° | 11.8° | 14.1° | cold |
| AugustAug | 13.5° | 12.1° | 14.6° | cold |
| SeptemberSep | 12.0° | 11.2° | 13.1° | cold |
| OctoberOct | 9.6° | 8.9° | 10.2° | cold |
| NovemberNov | 7.7° | 7.2° | 8.5° | cold |
| DecemberDec | 6.5° | 5.8° | 7.2° | cold |
Sunshine hours in Seward, Alaska
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 3.0 of 10.3 hours of daylight in Seward, Alaska, 29 % 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 Seward, Alaska
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 6).
Minutes until sunburn in October
- Very fair skin
- over 2 h
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
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 Seward, Alaska: 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, Seward, Alaska has about 20 rainy days with 344 mm of rain in total.
Wind and clouds in Seward, Alaska
How breezy and how cloudy Seward, Alaska 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 Seward, Alaska typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – Feb.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 72 % of the sky over Seward, Alaska: mostly cloudy, with about 3.0 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.
Snow in Seward, Alaska
When Seward, Alaska 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, Seward, Alaska has about 5 days with at least 1 cm of fresh snow, 25 cm in total. The chance of seeing snow during a week's stay is 44 out of 100: possible.
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 Seward, Alaska
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°
ColdOctober: nights around 2°. The room should be heated.
The coolest nights are in January (−5°), the warmest in August (10°). Nights fall below 8 °C on average from September to June, 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 | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 0 | −1° | −5° | 5.6° | 1.5 h | 19 | 316 |
| FebruaryFeb | 0 | −1° | −4° | 5.0° | 2.7 h | 18 | 275 |
| MarchMar | 10 | −1° | −4° | 4.6° | 4.9 h | 16 | 208 |
| AprilApr | 12 | 2° | −1° | 5.2° | 6.2 h | 18 | 225 |
| MayMay | 19 | 6° | 2° | 7.4° | 7.2 h | 16 | 188 |
| JuneJun | 34 | 10° | 6° | 10.4° | 6.8 h | 14 | 148 |
| JulyJul | 40 | 13° | 9° | 12.9° | 5.3 h | 16 | 192 |
| AugustAug | 39 | 13° | 10° | 13.5° | 5.2 h | 17 | 280 |
| SeptemberSep | 15 | 10° | 7° | 12.0° | 4.0 h | 18 | 371 |
| OctoberOct | 0 | 5° | 2° | 9.6° | 3.0 h | 20 | 344 |
| NovemberNov | 0 | 1° | −3° | 7.7° | 1.9 h | 19 | 305 |
| DecemberDec | 0 | 0° | −4° | 6.5° | 1.1 h | 20 | 340 |
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
60.10° N, 149.44° W · 28 m · America/Anchorage
Best time to visit Seward, Alaska
The best time to visit Seward, Alaska is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 13.5 °C. The wettest month is September with 371 mm of precipitation.
Seward, Alaska through the seasons
How the weather changes over the seasons, with averages for each.
Seward, Alaska in spring
Mar – May
Poor
- -1–6 °C by day
- Sea 6 °C
- 6 h of sun a day
- 50 rainy days in all
Seward, Alaska in summer
Jun – Aug
Poor
- 10–13 °C by day
- Sea 12 °C
- 6 h of sun a day
- 47 rainy days in all
Seward, Alaska in autumn
Sep – Nov
Poor
- 1–10 °C by day
- Sea 10 °C
- 3 h of sun a day
- 57 rainy days in all
Seward, Alaska in winter
Dec – Feb
Poor
- -1–0 °C by day
- Sea 6 °C
- 2 h of sun a day
- 58 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Seward, Alaska for you.
Your best months: May – June, August
Based on the climate averages; tap a month to see its details.
Compare two months in Seward, Alaska
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 Seward, Alaska: score 40 against 0. In July, days are 8 °C warmer than in October. The sea is 3 °C warmer in July. July has 4 fewer rainy days. The sun shines 2 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 0 | 40better |
| Day high | 5° | 13° |
| Night low | 2° | 9° |
| Sea | 9.6° | 12.9° |
| Sunshine | 3.0 h | 5.3 hbetter |
| Rainy days | 20 | 16better |
| Rainfall | 344 mm | 192 mmbetter |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
All year
12 or more rainy days
Snow
Oct – May
Snow on 2 or more days
Seward, Alaska month by month
The typical weather for every month at a glance.
0January-1° · Sea 6° · 2 h
In January, Seward, Alaska is freezing cold: daytime highs average −1 °C, and nights often drop below freezing (−5 °C). The sea averages 5.6 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 19 days, totalling 316 mm. Snow falls on about 17 days. All in all, January is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in January0February-1° · Sea 5° · 3 h
In February, Seward, Alaska is freezing cold: daytime highs average −1 °C, and nights often drop below freezing (−4 °C). The sea averages 5.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 18 days, totalling 275 mm. Snow falls on about 17 days. All in all, February is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in February10March-1° · Sea 5° · 5 h
In March, Seward, Alaska is freezing cold: daytime highs average −1 °C, and nights often drop below freezing (−4 °C). The sea averages 4.6 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Precipitation, often as snow, falls on about 16 days, totalling 208 mm. Snow falls on about 15 days. All in all, March is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in March12April2° · Sea 5° · 6 h
In April, Seward, Alaska is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−1 °C). The sea averages 5.2 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 18 days, totalling 225 mm. Snow falls on about 14 days. All in all, April is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in April19May6° · Sea 7° · 7 h
In May, Seward, Alaska is cold: daytime highs average 6 °C, and nights cool down to about 2 °C. The sea averages 7.4 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It rains often – on about 16 days, adding up to 188 mm. Snow falls on about 5 days. All in all, May is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in May34June10° · Sea 10° · 7 h
In June, Seward, Alaska is cool: daytime highs average 10 °C, and nights cool down to about 6 °C. The sea averages 10.4 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 148 mm in total. All in all, June is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in June40July13° · Sea 13° · 5 h
In July, Seward, Alaska is cool: daytime highs average 13 °C, and nights cool down to about 9 °C. The sea averages 12.9 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. It rains often – on about 16 days, adding up to 192 mm. All in all, July is a so-so month for a holiday in Seward, Alaska.
Seward, Alaska in July39August13° · Sea 14° · 5 h
In August, Seward, Alaska is cool: daytime highs average 13 °C, and nights cool down to about 10 °C. The sea averages 13.5 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. It rains often – on about 17 days, adding up to 280 mm. All in all, August is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in August15September10° · Sea 12° · 4 h
In September, Seward, Alaska is cool: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 12.0 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. It rains often – on about 18 days, adding up to 371 mm. All in all, September is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in September0October5° · Sea 10° · 3 h
In October, Seward, Alaska is cold: daytime highs average 5 °C, and nights cool down to about 2 °C. The sea averages 9.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 20 days, adding up to 344 mm. Snow falls on about 5 days. All in all, October is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in October0November1° · Sea 8° · 2 h
In November, Seward, Alaska is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−3 °C). The sea averages 7.7 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 19 days, totalling 305 mm. Snow falls on about 13 days. All in all, November is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in November0December0° · Sea 7° · 1 h
In December, Seward, Alaska is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−4 °C). The sea averages 6.5 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 20 days, totalling 340 mm. Snow falls on about 18 days. All in all, December is not an ideal month for a holiday in Seward, Alaska.
Seward, Alaska in DecemberSeward, Alaska compared
Put Seward, Alaska side by side with another destination.
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Seward vs. Anchorage
In October Anchorage has the better holiday weather (score 13 vs. 0). During the day it is about as warm in Anchorage as in Seward. The sea in Anchorage is 2 °C cooler.
| in October | Seward | Anchorage |
|---|---|---|
| Holiday score | 0 | 13 |
| Daytime high | 5° | 5° |
| Sea | 10° | 8° |
| Sunshine | 3 h | 3 h |
| Rainy days | 20 | 12 |
| Best time | Jul – Aug | Jun – Jul |
Through the year
USA in October: the best places
In October, Seward, Alaska ranks 29 among the 31 nearest destinations in this country.
- Las Vegas26°99
- 2Mariposa (Yosemite)23°98
- 3Sacramento25°96
- 4San Jose23°96
- 5Reno19°95
- 6Napa Valley24°95
- 7San Francisco21°14°95
- 8Oakland21°14°95
- 29SewardThis page5°10°0
Planning a trip to Seward, Alaska
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Seward, Alaska 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.
Seward, Alaska has its best school-holiday weather during the summer holidays (score 39) and its weakest during October half-term (score 0).
- 11
Easter holidays
Mar – Apr
Poor
- 2 °C by day
- Sea 5 °C
- 5.8 h of sun a day
- 17 rainy days a month
Keep in mind: Frequent rain, Snow
- 22
May half-term
May – Jun
Poor
- 7 °C by day
- Sea 8 °C
- 7.1 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain, Snow
- 39
Summer holidays
Jul – Aug
PoorBest holidays
- 13 °C by day
- Sea 13 °C
- 5.2 h of sun a day
- 17 rainy days a month
Keep in mind: Frequent rain
- 0
October half-term
Oct
Poor
- 5 °C by day
- Sea 10 °C
- 3.0 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain, Snow
- 0
Christmas holidays
Dec – Jan
Poor
- −1 °C by day
- Sea 6 °C
- 1.3 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 20 min
- Distance
- 7,300 km
- Time zone
- UTC−8
- Jet lag
- About 6 days (9 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.
Frequently asked questions about Seward, Alaska
When is the best time to visit Seward, Alaska?
The best time to visit Seward, Alaska is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Seward, Alaska?
The sea temperature in Seward, Alaska ranges from 4.6 °C in March to 13.5 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Seward, Alaska in October?
Only if you don't mind cold water: in October the sea averages just 9.6 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Seward, Alaska?
August is the warmest month, with average highs of 13 °C and nights around 10 °C. January is the coolest month at −1 °C.
When does it rain most in Seward, Alaska?
The wettest month is September with 371 mm of precipitation. The driest month is June with 148 mm.
How many hours of sunshine does Seward, Alaska get?
Seward, Alaska gets around 1,520 hours of sunshine a year. The sunniest month is May with 7.2 hours a day; in December there are 1.1 hours a day.
What time zone is Seward, Alaska in?
Seward, Alaska uses the time zone America/Anchorage: UTC−9 in January and UTC−8 in July.
How long is the flight from London to Seward, Alaska?
A nonstop flight from London to Seward, Alaska takes about 9 h 20 min, for a straight-line distance of about 7,300 km.
Which school holidays are best for Seward, Alaska?
Seward, Alaska has its best school-holiday weather during the summer holidays (score 39) and its weakest during October half-term (score 0). Holiday ratings (0–100): Easter holidays 11, May half-term 22, Summer holidays 39, October half-term 0, Christmas holidays 0.
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