Marietta climate guide

Temperature in Marietta (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
3°C maximum daytime temperature in January in Marietta3
6°C maximum daytime temperature in February in Marietta6
12°C maximum daytime temperature in March in Marietta12
19°C maximum daytime temperature in April in Marietta19
23°C maximum daytime temperature in May in Marietta23
28°C maximum daytime temperature in June in Marietta28
30°C maximum daytime temperature in July in Marietta30
29°C maximum daytime temperature in August in Marietta29
25°C maximum daytime temperature in September in Marietta25
19°C maximum daytime temperature in October in Marietta19
13°C maximum daytime temperature in November in Marietta13
6°C maximum daytime temperature in December in Marietta6
Min temperature (night-time)
-6°C minimum night-time temperature in January in Marietta-6
-5°C minimum night-time temperature in February in Marietta-5
0°C minimum night-time temperature in March in Marietta0
5°C minimum night-time temperature in April in Marietta5
10°C minimum night-time temperature in May in Marietta10
15°C minimum night-time temperature in June in Marietta15
18°C minimum night-time temperature in July in Marietta18
17°C minimum night-time temperature in August in Marietta17
13°C minimum night-time temperature in September in Marietta13
6°C minimum night-time temperature in October in Marietta6
2°C minimum night-time temperature in November in Marietta2
-3°C minimum night-time temperature in December in Marietta-3

Sunshine & Daylight in Marietta

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Marietta10
11 hours of daylight per day in February in Marietta11
12 hours of daylight per day in March in Marietta12
13 hours of daylight per day in April in Marietta13
14 hours of daylight per day in May in Marietta14
15 hours of daylight per day in June in Marietta15
15 hours of daylight per day in July in Marietta15
14 hours of daylight per day in August in Marietta14
12 hours of daylight per day in September in Marietta12
11 hours of daylight per day in October in Marietta11
10 hours of daylight per day in November in Marietta10
9 hours of daylight per day in December in Marietta9

Rainfall in Marietta

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
15 days with some rainfall in January in Marietta15
14 days with some rainfall in February in Marietta14
15 days with some rainfall in March in Marietta15
14 days with some rainfall in April in Marietta14
13 days with some rainfall in May in Marietta13
11 days with some rainfall in June in Marietta11
12 days with some rainfall in July in Marietta12
10 days with some rainfall in August in Marietta10
10 days with some rainfall in September in Marietta10
10 days with some rainfall in October in Marietta10
13 days with some rainfall in November in Marietta13
15 days with some rainfall in December in Marietta15
Average monthly rainfall (mm)
68 mm monthly rainfall in January in Marietta68
66 mm monthly rainfall in February in Marietta66
97 mm monthly rainfall in March in Marietta97
88 mm monthly rainfall in April in Marietta88
98 mm monthly rainfall in May in Marietta98
95 mm monthly rainfall in June in Marietta95
110 mm monthly rainfall in July in Marietta110
104 mm monthly rainfall in August in Marietta104
79 mm monthly rainfall in September in Marietta79
71 mm monthly rainfall in October in Marietta71
82 mm monthly rainfall in November in Marietta82
78 mm monthly rainfall in December in Marietta78

More climate for Marietta

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Marietta2
UV (maximum) index 3 (Moderate) in February in Marietta3
UV (maximum) index 5 (Moderate) in March in Marietta5
UV (maximum) index 6 (High) in April in Marietta6
UV (maximum) index 8 (Very High) in May in Marietta8
UV (maximum) index 9 (Very High) in June in Marietta9
UV (maximum) index 9 (Very High) in July in Marietta9
UV (maximum) index 8 (Very High) in August in Marietta8
UV (maximum) index 7 (High) in September in Marietta7
UV (maximum) index 4 (Moderate) in October in Marietta4
UV (maximum) index 2 (Low) in November in Marietta2
UV (maximum) index 2 (Low) in December in Marietta2
Heat & Humidity
No heat & humidity in January in Marietta0
No heat & humidity in February in Marietta0
No heat & humidity in March in Marietta0
No heat & humidity in April in Marietta0
No heat & humidity in May in Marietta0
Moderate heat & humidity in June in MariettaM
Moderate heat & humidity in July in MariettaM
Moderate heat & humidity in August in MariettaM
Low heat & humidity in September in MariettaL
No heat & humidity in October in Marietta0
No heat & humidity in November in Marietta0
No heat & humidity in December in Marietta0

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

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The climate guide for Marietta, Ohio 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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