Boulder, MT vs Miami, FL

Side-by-side comparison of monthly climate normals (NOAA 1991-2020).

Boulder is cooler than Miami (42.6°F vs 76.1°F annual avg) and drier than it (10.8 in vs 57.2 in per year). Boulder has a Semi-arid (cold) climate; Miami a Tropical monsoon climate.

Boulder, MT

Annual avg
42.6°F
Annual precip
10.8 in
Warmest month
July (82.5°F)
Coldest month
December (11.5°F)
Annual swing
42.9°F
Semi-arid (cold) BSk USDA Zone 6b

Miami, FL

Annual avg
76.1°F
Annual precip
57.2 in
Warmest month
August (88.1°F)
Coldest month
January (61.2°F)
Annual swing
15.7°F
Pleasant months
6 / 12
Tropical monsoon Am USDA Zone 11b

Best months to visit each city

Boulder

J
F
M
A
M
J
J
A
S
O
N
D

Miami

J
F
M
A
M
J
J
A
S
O
N
D

Month-by-month comparison

Month Boulder Miami
High Low Precip High Low Precip
January 35.0°F 11.9°F 0.28 in 73.6°F 61.2°F 2.33 in
February 37.8°F 14.0°F 0.19 in 74.8°F 63.3°F 2.27 in
March 46.8°F 20.8°F 0.40 in 76.5°F 65.2°F 2.47 in
April 54.5°F 27.0°F 0.78 in 79.6°F 69.8°F 3.44 in
May 63.6°F 35.3°F 1.86 in 82.7°F 73.6°F 4.94 in
June 72.0°F 42.5°F 2.30 in 86.0°F 76.5°F 7.76 in
July 82.5°F 48.3°F 1.38 in 87.8°F 78.0°F 5.98 in
August 82.0°F 46.2°F 1.12 in 88.1°F 78.1°F 7.51 in
September 71.9°F 38.1°F 1.10 in 87.0°F 77.2°F 8.45 in
October 57.4°F 27.7°F 0.64 in 83.7°F 74.4°F 6.49 in
November 42.4°F 18.6°F 0.48 in 78.9°F 68.6°F 3.29 in
December 33.6°F 11.5°F 0.27 in 76.1°F 64.6°F 2.25 in
Boulder overview
Full climate profile
 Miami overview
Full climate profile