ClimateAverages

Shoreline Climate

Washington, United States of America · population 55,439 · 571 weather stations within 200 km · records 1837 to 2025

Average annual daytime high
14.9°C
Warmest month · July
22.3°C
Typical daytime high
Coldest month · January
1.5°C
Typical overnight low

Shoreline has an average annual daytime high of 14.9°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 22.3°C, and its coldest is January, with overnight lows near 1.5°C.

Month by month averages

MonthAvg highAvg low
January7.3°C1.5°CColdest
February9.7°C2.5°C
March11.2°C2.9°C
April14.2°C4.8°C
May17.5°C7.4°C
June19.8°C9.5°C
July22.3°C10.9°CWarmest
August22.3°C11.4°C
September20.0°C9.9°C
October15.2°C6.9°C
November10.6°C4.1°C
December8.4°C2.7°C

Temperature range across the year

-1°6°12°18°24°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2014
+2.0°C vs. 1951–1980
Coldest year on record
1858
-1.5°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Shoreline getting hotter?

Since 1900, Shoreline's average temperature has risen by +1.4°C. Compared to the earliest station records that begin in 1837, warming totals +1.7°C.

9.8°10.3°10.8°11.3°11.8°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Shoreline?

Shoreline's average annual daytime high is 14.9°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 22.3°C, and the coldest is January, with lows averaging 1.5°C.

What is the warmest month in Shoreline?

July is the warmest month in Shoreline, with typical daytime highs of 22.3°C.

What is the hottest year on record for Shoreline?

2014 is the hottest year on record for Shoreline, running +2.0°C above the 1951 to 1980 baseline.

Is Shoreline getting hotter?

Yes. Since 1900, Shoreline has warmed by roughly +1.4°C.

When is the best time to visit Shoreline?

May to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.