ClimateAverages

Broomfield Climate

Colorado, United States of America · population 65,065 · 393 weather stations within 200 km · records 1849 to 2025

Average annual daytime high
17.8°C
Warmest month · July
30.2°C
Typical daytime high
Coldest month · January
-8.6°C
Typical overnight low

Broomfield has an average annual daytime high of 17.8°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 30.2°C, and its coldest is January, with overnight lows near -8.6°C.

Month by month averages

MonthAvg highAvg low
January6.3°C-8.6°CColdest
February8.5°C-6.9°C
March10.9°C-4.8°C
April16.1°C-0.1°C
May21.4°C5.1°C
June27.1°C9.5°C
July30.2°C12.8°CWarmest
August29.1°C12.0°C
September25.1°C7.3°C
October19.4°C2.0°C
November11.5°C-3.8°C
December7.8°C-6.8°C

Temperature range across the year

-11°0°11°22°32°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
1933
+1.9°C vs. 1951–1980
Coldest year on record
1849
-2.8°C vs. 1951–1980

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

Is Broomfield getting hotter?

Since 1900, Broomfield's average temperature has risen by +1.5°C. Compared to the earliest station records that begin in 1849, warming totals +2.0°C.

8.9°9.5°10.0°10.5°11.0°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 Broomfield?

Broomfield's average annual daytime high is 17.8°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 30.2°C, and the coldest is January, with lows averaging -8.6°C.

What is the warmest month in Broomfield?

July is the warmest month in Broomfield, with typical daytime highs of 30.2°C.

What is the hottest year on record for Broomfield?

1933 is the hottest year on record for Broomfield, running +1.9°C above the 1951 to 1980 baseline.

Is Broomfield getting hotter?

Yes. Since 1900, Broomfield has warmed by roughly +1.5°C.

When is the best time to visit Broomfield?

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.