ClimateAverages

Dale City Climate

Virginia, United States of America · population 65,969 · 612 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
19.1°C
Warmest month · July
30.6°C
Typical daytime high
Coldest month · January
-4.2°C
Typical overnight low

Dale City has an average annual daytime high of 19.1°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 30.6°C, and its coldest is January, with overnight lows near -4.2°C.

Month by month averages

MonthAvg highAvg low
January6.2°C-4.2°CColdest
February8.0°C-3.3°C
March13.2°C1.0°C
April19.6°C6.1°C
May24.3°C11.4°C
June28.5°C16.0°C
July30.6°C18.6°CWarmest
August29.9°C18.1°C
September26.5°C14.4°C
October20.3°C7.4°C
November14.1°C2.4°C
December8.0°C-2.4°C

Temperature range across the year

-6°4°13°23°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2016
+2.1°C vs. 1951–1980
Coldest year on record
1787
-2.4°C vs. 1951–1980

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

Is Dale City getting hotter?

Since 1900, Dale City's average temperature has risen by +1.9°C. Compared to the earliest station records that begin in 1750, warming totals +2.4°C.

12.4°13.0°13.6°14.2°14.9°1951–1980 baseline190019251950197520002025

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

Best time to visit
April to October

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

FAQ

What is the average temperature in Dale City?

Dale City's average annual daytime high is 19.1°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 30.6°C, and the coldest is January, with lows averaging -4.2°C.

What is the warmest month in Dale City?

July is the warmest month in Dale City, with typical daytime highs of 30.6°C.

What is the hottest year on record for Dale City?

2016 is the hottest year on record for Dale City, running +2.1°C above the 1951 to 1980 baseline.

Is Dale City getting hotter?

Yes. Since 1900, Dale City has warmed by roughly +1.9°C.

When is the best time to visit Dale City?

April 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.