Get the app

Best time to visit · Alaska, United States

Best Time to Visit Seward

On the climate data, the best time to visit Seward is June – August, scoring up to 58/100 with highs around 58°F (15°C) and 6.4 in (162 mm) of rain in July. The toughest months are November – January, mainly because of cool days.

Seward, Alaska, United States
Best months
Jun – Aug
Toughest
Nov – Jan
Warmest
Aug · 58°F
Coldest nights
Jan · 24°F
Wettest
Oct · 11.7 in
Driest
Jun · 5.2 in

Seward weather by month

Highs run from 31°F to 58°F across the year, and the yearly total is about 103.7 in (2635 mm) of rain and snow.

14°23°32°41°50°59°31°Jan33°Feb33°Mar39°Apr46°May53°Jun58°Jul58°Aug52°Sep44°Oct35°Nov33°Dec0150300
Daily low → high (°F)Monthly rain (mm, right axis)Best months
Monthly climate averages for Seward, 2001–2025
MonthJanFebMarAprMayJunJulAugSepOctNovDec
Avg high31°F0°C33°F1°C33°F1°C39°F4°C46°F8°C53°F12°C58°F15°C58°F15°C52°F11°C44°F7°C35°F2°C33°F1°C
Avg low24°F-4°C25°F-4°C25°F-4°C33°F0°C41°F5°C48°F9°C53°F11°C53°F11°C47°F8°C38°F4°C28°F-2°C26°F-3°C
Rain/snow9.9 in252 mm8.7 in220 mm6.5 in164 mm7.4 in189 mm6.2 in157 mm5.2 in131 mm6.4 in162 mm8.5 in215 mm11.7 in296 mm11.7 in297 mm10.1 in256 mm11.7 in296 mm
Humidity93%92%89%88%88%88%89%88%89%90%92%94%
Cloud72%74%69%76%80%82%83%80%79%79%74%77%
Comfort212432273853585339242019

Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~505 m (1,657 ft) to Seward's ~35 m (115 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.

How we pick the best months

  • Temperature (40 pts): full marks for average daytime highs of 64–81°F (18–27°C); minus 3 points per °C below and 4 per °C above.
  • Rain (25 pts): full marks up to 40 mm (1.6 in) a month, falling to zero at 250 mm (9.8 in).
  • Humidity (15 pts): only counts when it is warm (mean above 18°C); minus 0.75 points per % above 70% relative humidity.
  • Cloud (20 pts): full marks at 30% cloud cover or less, falling to zero at 90%.
Best months: within 6 points of the top (or 85+). Shoulder: within 18 and at least 45. Toughest: within 6 of the lowest. Comfort only; crowds, prices, festivals and openings aren't scored.

Seward season by season

Winter Dec – Feb

The cold peaks here: highs of 31–33°F (0–1°C), and nights reach 24°F (-4°C). About 30.2 in (768 mm) of rain or snow falls across these months, 29% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December & January; the season averages 21/100.

Spring Mar – May

Temperatures climb through the season, from 33°F highs in March to 46°F by May. About 20.1 in (510 mm) of rain or snow falls across these months, 19% of the year's total. March is cold enough for snow. Comfort scores sit mid-table, averaging 32/100.

Summer Jun – Aug

The warmest stretch of the year, with highs of 53–58°F (12–15°C). It's the driest season, with only about 20.0 in (508 mm) of rain, 19% of the year's total. Lows bottom out around 48°F (9°C). June – August are among the best-scoring months (season average 55/100).

Autumn Sep – Nov

Temperatures slide from 52°F highs in September to 35°F by November. It's the wettest season, with about 33.4 in (849 mm) of rain or snow, 32% of the year's total. November is cold enough for snow. It holds the toughest stretch on our comfort score (November), averaging 28/100.

What our curated routes say

Plan by month

By comfort score: 3 Fair and 9 Tough. Tap a month for its own guide.

Seward weather questions

When is the best time to visit Seward?

On the climate data, the best time to visit Seward is June – August, scoring up to 58/100 with highs around 58°F (15°C) and 6.4 in (162 mm) of rain in July. The toughest months are November – January, mainly because of cool days.

What is the rainiest month in Seward?

October is the wettest month, averaging about 11.7 in (297 mm) of rain. June is the driest, with about 5.2 in (131 mm). The yearly total is around 103.7 in (2635 mm).

What is the coldest month in Seward?

January is the coldest, with average lows of 24°F (-4°C) and highs of 31°F (0°C). The warmest is August, with average highs of 58°F (15°C).

Is Seward humid in summer?

Not very: summer (June – August) humidity averages 88%, and highs peak around 58°F (15°C), so it rarely feels sticky.

Does it get below freezing in Seward?

On average, yes: lows fall below 32°F (0°C) in November – March, bottoming out around 24°F (-4°C) in January.

Weather nearby

Pick your Seward dates together

Send the group one link: vote on dates, build the plan together and split costs as you go.

Get TripsCircle