skydelta.io

Best time to visit Boise

Monthly weather scores combine temperatures, sunshine, rain, and comfort signals to highlight when Boiseis at its most inviting, and when the weather is least cooperative.

Back to weather details
Best overall month

July

Overall score 71.3%

High
91.6°F
Low
66.0°F
Sun
13.5h
Rain
0.0in
Rain days
2.0%
Humidity
27.6%
Wind
10.8mph
Day length
15.1h
Sun percent
89.7%
Month to omit

December

Overall score 19.3%

High
37.6°F
Low
26.6°F
Sun
2.9h
Rain
0.2in
Rain days
35.0%
Humidity
78.4%
Wind
8.7mph
Day length
9.0h
Sun percent
32.2%

Overall travel weather

A simple average of the Heat Seeker, Mild Moderate, and Sun And Dry scores.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. July

Score 71.3%

#1
High
91.6°F
Low
66.0°F
Sun
13.5h
Rain
0.0in
Rain days
2.0%
Humidity
27.6%
Wind
10.8mph
Day length
15.1h
Sun percent
89.7%
Heat score
90.0%
Mild score
30.0%
Dry score
94.0%

2. August

Score 68.0%

#2
High
89.1°F
Low
64.9°F
Sun
11.7h
Rain
0.0in
Rain days
4.0%
Humidity
29.0%
Wind
10.6mph
Day length
13.9h
Sun percent
84.1%
Heat score
84.0%
Mild score
30.0%
Dry score
90.0%

3. September

Score 64.0%

#3
High
79.0°F
Low
56.3°F
Sun
9.5h
Rain
0.0in
Rain days
8.0%
Humidity
34.7%
Wind
10.1mph
Day length
12.5h
Sun percent
76.1%
Heat score
62.0%
Mild score
51.0%
Dry score
79.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 19.3%

#1
High
37.6°F
Low
26.6°F
Sun
2.9h
Rain
0.2in
Rain days
35.0%
Humidity
78.4%
Wind
8.7mph
Day length
9.0h
Sun percent
32.2%
Heat score
13.0%
Mild score
12.0%
Dry score
33.0%

2. January

Score 20.3%

#2
High
37.2°F
Low
25.9°F
Sun
3.0h
Rain
0.1in
Rain days
30.0%
Humidity
81.0%
Wind
8.6mph
Day length
9.4h
Sun percent
32.0%
Heat score
14.0%
Mild score
14.0%
Dry score
33.0%

3. February

Score 20.7%

#3
High
40.3°F
Low
27.1°F
Sun
3.7h
Rain
0.2in
Rain days
32.0%
Humidity
74.5%
Wind
10.2mph
Day length
10.5h
Sun percent
35.1%
Heat score
14.0%
Mild score
14.0%
Dry score
34.0%

Heat Seeker

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. July

Score 90.0%

#1
High
91.6°F
Low
66.0°F
Sun
13.5h
Rain
0.0in
Rain days
2.0%
Humidity
27.6%
Wind
10.8mph
Day length
15.1h
Sun percent
89.7%
Heat high
87.0%
Heat low
100.0%
Heat sun
90.0%
Heat rain
96.0%

2. August

Score 84.0%

#2
High
89.1°F
Low
64.9°F
Sun
11.7h
Rain
0.0in
Rain days
4.0%
Humidity
29.0%
Wind
10.6mph
Day length
13.9h
Sun percent
84.1%
Heat high
78.0%
Heat low
100.0%
Heat sun
84.0%
Heat rain
92.0%

3. September

Score 62.0%

#3
High
79.0°F
Low
56.3°F
Sun
9.5h
Rain
0.0in
Rain days
8.0%
Humidity
34.7%
Wind
10.1mph
Day length
12.5h
Sun percent
76.1%
Heat high
41.0%
Heat low
100.0%
Heat sun
76.0%
Heat rain
84.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 13.0%

#1
High
37.6°F
Low
26.6°F
Sun
2.9h
Rain
0.2in
Rain days
35.0%
Humidity
78.4%
Wind
8.7mph
Day length
9.0h
Sun percent
32.2%
Heat high
0.0%
Heat low
0.0%
Heat sun
32.0%
Heat rain
30.0%

2. January

Score 14.0%

#2
High
37.2°F
Low
25.9°F
Sun
3.0h
Rain
0.1in
Rain days
30.0%
Humidity
81.0%
Wind
8.6mph
Day length
9.4h
Sun percent
32.0%
Heat high
0.0%
Heat low
0.0%
Heat sun
32.0%
Heat rain
40.0%

3. February

Score 14.0%

#3
High
40.3°F
Low
27.1°F
Sun
3.7h
Rain
0.2in
Rain days
32.0%
Humidity
74.5%
Wind
10.2mph
Day length
10.5h
Sun percent
35.1%
Heat high
0.0%
Heat low
0.0%
Heat sun
35.0%
Heat rain
36.0%

Mild Moderate

Mild Moderate Score is designed for those who prefer comfortable, temperate weather conditions. It favors moderate temperatures and balanced weather patterns.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. May

Score 76.0%

#1
High
68.4°F
Low
48.0°F
Sun
9.3h
Rain
0.1in
Rain days
21.0%
Humidity
52.2%
Wind
11.3mph
Day length
14.7h
Sun percent
63.1%
Mild high
97.0%
Mild low
38.0%
Mild sun
86.0%
Mild rain
87.0%

2. June

Score 54.0%

#2
High
78.1°F
Low
56.3°F
Sun
11.3h
Rain
0.0in
Rain days
13.0%
Humidity
43.4%
Wind
11.1mph
Day length
15.4h
Sun percent
73.4%
Mild high
7.0%
Mild low
70.0%
Mild sun
100.0%
Mild rain
100.0%

3. September

Score 51.0%

#3
High
79.0°F
Low
56.3°F
Sun
9.5h
Rain
0.0in
Rain days
8.0%
Humidity
34.7%
Wind
10.1mph
Day length
12.5h
Sun percent
76.1%
Mild high
0.0%
Mild low
70.0%
Mild sun
100.0%
Mild rain
100.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 12.0%

#1
High
37.6°F
Low
26.6°F
Sun
2.9h
Rain
0.2in
Rain days
35.0%
Humidity
78.4%
Wind
8.7mph
Day length
9.0h
Sun percent
32.2%
Mild high
0.0%
Mild low
0.0%
Mild sun
24.0%
Mild rain
56.0%

2. January

Score 14.0%

#2
High
37.2°F
Low
25.9°F
Sun
3.0h
Rain
0.1in
Rain days
30.0%
Humidity
81.0%
Wind
8.6mph
Day length
9.4h
Sun percent
32.0%
Mild high
0.0%
Mild low
0.0%
Mild sun
24.0%
Mild rain
67.0%

3. February

Score 14.0%

#3
High
40.3°F
Low
27.1°F
Sun
3.7h
Rain
0.2in
Rain days
32.0%
Humidity
74.5%
Wind
10.2mph
Day length
10.5h
Sun percent
35.1%
Mild high
0.0%
Mild low
0.0%
Mild sun
30.0%
Mild rain
62.0%

Sun And Dry

Sun And Dry Score maximizes sun exposure and minimizes all forms of precipitation. Temperature is secondary, preferring mild-to-warm conditions.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. July

Score 94.0%

#1
High
91.6°F
Low
66.0°F
Sun
13.5h
Rain
0.0in
Rain days
2.0%
Humidity
27.6%
Wind
10.8mph
Day length
15.1h
Sun percent
89.7%
Dry sun
90.0%
Dry days
92.0%
Dry rain
100.0%
Dry comfort
100.0%

2. August

Score 90.0%

#2
High
89.1°F
Low
64.9°F
Sun
11.7h
Rain
0.0in
Rain days
4.0%
Humidity
29.0%
Wind
10.6mph
Day length
13.9h
Sun percent
84.1%
Dry sun
84.0%
Dry days
84.0%
Dry rain
100.0%
Dry comfort
100.0%

3. September

Score 79.0%

#3
High
79.0°F
Low
56.3°F
Sun
9.5h
Rain
0.0in
Rain days
8.0%
Humidity
34.7%
Wind
10.1mph
Day length
12.5h
Sun percent
76.1%
Dry sun
76.0%
Dry days
68.0%
Dry rain
100.0%
Dry comfort
74.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. January

Score 33.0%

#1
High
37.2°F
Low
25.9°F
Sun
3.0h
Rain
0.1in
Rain days
30.0%
Humidity
81.0%
Wind
8.6mph
Day length
9.4h
Sun percent
32.0%
Dry sun
32.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

2. December

Score 33.0%

#2
High
37.6°F
Low
26.6°F
Sun
2.9h
Rain
0.2in
Rain days
35.0%
Humidity
78.4%
Wind
8.7mph
Day length
9.0h
Sun percent
32.2%
Dry sun
32.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

3. February

Score 34.0%

#3
High
40.3°F
Low
27.1°F
Sun
3.7h
Rain
0.2in
Rain days
32.0%
Humidity
74.5%
Wind
10.2mph
Day length
10.5h
Sun percent
35.1%
Dry sun
35.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%
Back to weather details