World Resorts USA Seward Weather

Seward weather in May

Weather in Seward: May

Average day temperature: 50.6°F
Average night temperature: 40.6°F
Sea water temperature: 45.3°F
Number of sunny days: 4 days
Day length: 16.1 - 18.3 hours
Number of rainy days: 3 days
Precipitation totals: 1.6 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 51°F. At the same time the lowest night temperature was 28°F. Daily and nightly averages during May were 43.6°F and 37.1°F.

Sea water temperature in Seward in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 45.6°F. The highest and lowest sea temperatures during the month were 48.9°F and 41.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Seward in May is 1.6 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 4.4 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 5.6.

Best time for vacation in Seward

Sunniest months:
January 7 days
November 7 days
October 6 days
Warmest months:
July 61.0 °F
August 59.8 °F
June 58.3 °F
Warmest sea temp:
August 56.2 °F
July 55.2 °F
September 53.3 °F
Coldest months:
January 20.6 °F
December 22.3 °F
February 25.5 °F
Rainiest months:
August 5 days
September 5 days
October 4 days
Windiest months:
January 5.4 mph
November 5.3 mph
December 5.2 mph

Seward on a weather map

Seward
+37°F
SE 2 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Seward
Local time: 19:57
December 04, thursday
2100
37°F
SE
2 mph
December 05, friday
0000
37°F
SE
2 mph
0300
37°F
S
3 mph
0600
30°F
SE
6 mph
0900
25°F
S
7 mph
1200
30°F
S
7 mph
1500
28°F
S
6 mph
1800
25°F
S
9 mph
Units of measurement: °C / °F