Hamilton weather by month

Check out Hamilton weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Hamilton (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
30°F maximum daytime temperature in January in Hamilton30
37°F maximum daytime temperature in February in Hamilton37
46°F maximum daytime temperature in March in Hamilton46
57°F maximum daytime temperature in April in Hamilton57
66°F maximum daytime temperature in May in Hamilton66
73°F maximum daytime temperature in June in Hamilton73
84°F maximum daytime temperature in July in Hamilton84
82°F maximum daytime temperature in August in Hamilton82
72°F maximum daytime temperature in September in Hamilton72
57°F maximum daytime temperature in October in Hamilton57
41°F maximum daytime temperature in November in Hamilton41
30°F maximum daytime temperature in December in Hamilton30
Min temperature (night-time)
14°F minimum night-time temperature in January in Hamilton14
19°F minimum night-time temperature in February in Hamilton19
23°F minimum night-time temperature in March in Hamilton23
30°F minimum night-time temperature in April in Hamilton30
37°F minimum night-time temperature in May in Hamilton37
45°F minimum night-time temperature in June in Hamilton45
48°F minimum night-time temperature in July in Hamilton48
46°F minimum night-time temperature in August in Hamilton46
37°F minimum night-time temperature in September in Hamilton37
30°F minimum night-time temperature in October in Hamilton30
23°F minimum night-time temperature in November in Hamilton23
16°F minimum night-time temperature in December in Hamilton16
Heat & Humidity
No heat & humidity in January in Hamilton0
No heat & humidity in February in Hamilton0
No heat & humidity in March in Hamilton0
No heat & humidity in April in Hamilton0
No heat & humidity in May in Hamilton0
No heat & humidity in June in Hamilton0
Low heat & humidity in July in HamiltonL
Low heat & humidity in August in HamiltonL
No heat & humidity in September in Hamilton0
No heat & humidity in October in Hamilton0
No heat & humidity in November in Hamilton0
No heat & humidity in December in Hamilton0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Hamilton

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Hamilton9
10 hours of daylight per day in February in Hamilton10
12 hours of daylight per day in March in Hamilton12
14 hours of daylight per day in April in Hamilton14
15 hours of daylight per day in May in Hamilton15
16 hours of daylight per day in June in Hamilton16
15 hours of daylight per day in July in Hamilton15
14 hours of daylight per day in August in Hamilton14
12 hours of daylight per day in September in Hamilton12
11 hours of daylight per day in October in Hamilton11
9 hours of daylight per day in November in Hamilton9
9 hours of daylight per day in December in Hamilton9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Hamilton1
UV (maximum) index 2 (Low) in February in Hamilton2
UV (maximum) index 3 (Moderate) in March in Hamilton3
UV (maximum) index 5 (Moderate) in April in Hamilton5
UV (maximum) index 7 (High) in May in Hamilton7
UV (maximum) index 8 (Very High) in June in Hamilton8
UV (maximum) index 9 (Very High) in July in Hamilton9
UV (maximum) index 8 (Very High) in August in Hamilton8
UV (maximum) index 6 (High) in September in Hamilton6
UV (maximum) index 3 (Moderate) in October in Hamilton3
UV (maximum) index 1 (Low) in November in Hamilton1
UV (maximum) index 1 (Low) in December in Hamilton1

Rainfall in Hamilton

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
13 days with some rainfall in January in Hamilton13
10 days with some rainfall in February in Hamilton10
12 days with some rainfall in March in Hamilton12
11 days with some rainfall in April in Hamilton11
11 days with some rainfall in May in Hamilton11
10 days with some rainfall in June in Hamilton10
7 days with some rainfall in July in Hamilton7
8 days with some rainfall in August in Hamilton8
8 days with some rainfall in September in Hamilton8
7 days with some rainfall in October in Hamilton7
11 days with some rainfall in November in Hamilton11
13 days with some rainfall in December in Hamilton13
Average monthly rainfall (inches)
1.2 inches monthly rainfall in January in Hamilton1.2
0.7 inches monthly rainfall in February in Hamilton0.7
0.8 inches monthly rainfall in March in Hamilton0.8
1.0 inches monthly rainfall in April in Hamilton1.0
1.7 inches monthly rainfall in May in Hamilton1.7
1.8 inches monthly rainfall in June in Hamilton1.8
0.9 inches monthly rainfall in July in Hamilton0.9
1.1 inches monthly rainfall in August in Hamilton1.1
1.1 inches monthly rainfall in September in Hamilton1.1
0.9 inches monthly rainfall in October in Hamilton0.9
1.0 inches monthly rainfall in November in Hamilton1.0
1.1 inches monthly rainfall in December in Hamilton1.1

More about Hamilton

Hamilton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Montana (Hamilton) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Hamilton?

Hamilton has a cold semi arid climate with warm summers.

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare Hamilton with the USA

Below the Hamilton chart shows average maximum daytime temperature for Hamilton, Montana, USA and the USA (Washington).

Maximum daytime temperature (°F)

Hamilton, Montana, USA
USA (Washington)
41
37
45
46
55
57
66
66
75
73
84
84
88
82
86
72
79
57
68
41
57
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30
30

Metric (°C)  |  Imperial (°F)

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