Historical Weather Records & Monthly Climate for Longmont, CO
All-Time High
104°F
All-Time Low
-13°F
Max Daily Snow
13.6"
Max Daily Rain
1.05"
Max Snow Depth
0
Monthly Climate Averages for Longmont, CO
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 40° | 17° | 0.78" | 5.22" |
| February | 42° | 17° | 0.87" | 5.64" |
| March | 51° | 25° | 1.57" | 7.47" |
| April | 59° | 33° | 2.53" | 6.25" |
| May | 68° | 43° | 3.57" | 1.59" |
| June | 80° | 53° | 2.06" | 0 |
| July | 86° | 59° | 1.65" | 0 |
| August | 84° | 58° | 1.62" | 0 |
| September | 76° | 50° | 1.52" | 0.62" |
| October | 62° | 38° | 1.51" | 2.67" |
| November | 50° | 26° | 0.93" | 4.68" |
| December | 40° | 18° | 0.75" | 4.99" |
More Historical Climate Data for Cities in
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