World Resorts USA Boulder Weather

Boulder weather in October

Weather in Boulder: October

Average day temperature: 56.0°F
Average night temperature: 38.8°F
Number of sunny days: 21 days
Day length: 10.5 - 11.8 hours
Number of rainy days: 0 days
Precipitation totals: 0.5 in.

Air temperature in October, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during October of 2024 was 85°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during October were 67.8°F and 50.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
68%
26%
6%

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.8
1.3
1.7
2.1
2.5
2.9
3.4
1.6
2.2
2.5
2.4
1.6
1.5
1.6
2.2
2.5
2.4
1.6
1.5

Precipitation total value in Boulder in October is 0.5 in. Other months of the year show relatively similar values.

Wind speed in October, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.5
8.7
8.2
6.6
6.3
6.4
7.0
6.7
8.0
7.7
8.4
8.3
8.7
8.2
7.2
6.6
6.3
6.4
7.0
6.7
8.0
7.7
8.4
8.3

The average wind speed value in October is 7.2 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.3
5.0
6.6
8.3
9.9
11.6
6.5
7.1
9.5
9.0
9.5
9.6
8.1
7.9
7.1
7.1
6.2
6.5
7.1
8.5
9.5
9.0
9.5
9.6
8.1
7.9
7.1
7.1
6.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 8.5.

Best time for vacation in Boulder

Sunniest months:
September 21 days
October 21 days
November 19 days
Warmest months:
July 74.0 °F
August 73.1 °F
September 68.7 °F
Coldest months:
January 30.0 °F
February 32.0 °F
December 37.0 °F
Rainiest months:
June 6 days
July 5 days
May 4 days
Windiest months:
December 8.7 mph
February 8.4 mph
January 8.3 mph

Boulder on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+59°F
+75°F
+75°F
+79°F
+61°F
+79°F
+50°F
+86°F
+61°F
+54°F
+84°F
+86°F
+79°F
+48°F
24 Hours Forecast
Boulder
Local time: 14:05
April 16, wednesday
1500
59°F
E
14 mph
1800
57°F
E
8 mph
2100
48°F
E
8 mph
April 17, thursday
0000
43°F
E
8 mph
0300
41°F
E
8 mph
0600
41°F
E
9 mph
0900
50°F
E
15 mph
1200
59°F
NE
16 mph
Units of measurement: °C / °F