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Data Calendar for BOULDER

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Denver timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Nov 2025Dec 2025 Jan 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
3001 (@8)
High: 28
Low: 2
Precip: 0.00
Snow: 0
Snow Depth: 0
02 (@8)
High: 35
Low: 26
Precip: 0.00
Snow: 0
Snow Depth: 0
03 (@8)
High: 35
Low: 21
Precip: 0.01
Snow: 0
Snow Depth: 0
04 (@7)
High: 37(E)
Low: 18(E)
Precip: 0.00(E)
05 (@7)
High: 36(E)
Low: 23(E)
Precip: 0.00(E)
06 (@7)
High: 41(E)
Low: 25(E)
Precip: 0.39(E)
07 (@8)
High: 40
Low: 27
Precip: 0.04(E)
Snow Depth: 0
08 (@8)
High: 45
Low: 33
Precip: 0.00
Snow: 0
Snow Depth: 0
09 (@8)
High: 49
Low: 37
Precip: Trace
Snow: 0
Snow Depth: 0
10111213
14151617181920
21222324252627
28293031010203

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.