Marietta weather by month

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

Temperature in Marietta (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
37°F maximum daytime temperature in January in Marietta37
43°F maximum daytime temperature in February in Marietta43
54°F maximum daytime temperature in March in Marietta54
66°F maximum daytime temperature in April in Marietta66
73°F maximum daytime temperature in May in Marietta73
82°F maximum daytime temperature in June in Marietta82
86°F maximum daytime temperature in July in Marietta86
84°F maximum daytime temperature in August in Marietta84
77°F maximum daytime temperature in September in Marietta77
66°F maximum daytime temperature in October in Marietta66
55°F maximum daytime temperature in November in Marietta55
43°F maximum daytime temperature in December in Marietta43
Min temperature (night-time)
21°F minimum night-time temperature in January in Marietta21
23°F minimum night-time temperature in February in Marietta23
32°F minimum night-time temperature in March in Marietta32
41°F minimum night-time temperature in April in Marietta41
50°F minimum night-time temperature in May in Marietta50
59°F minimum night-time temperature in June in Marietta59
64°F minimum night-time temperature in July in Marietta64
63°F minimum night-time temperature in August in Marietta63
55°F minimum night-time temperature in September in Marietta55
43°F minimum night-time temperature in October in Marietta43
36°F minimum night-time temperature in November in Marietta36
27°F minimum night-time temperature in December in Marietta27
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

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
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

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 (inches)
2.7 inches monthly rainfall in January in Marietta2.7
2.6 inches monthly rainfall in February in Marietta2.6
3.8 inches monthly rainfall in March in Marietta3.8
3.5 inches monthly rainfall in April in Marietta3.5
3.9 inches monthly rainfall in May in Marietta3.9
3.7 inches monthly rainfall in June in Marietta3.7
4.3 inches monthly rainfall in July in Marietta4.3
4.1 inches monthly rainfall in August in Marietta4.1
3.1 inches monthly rainfall in September in Marietta3.1
2.8 inches monthly rainfall in October in Marietta2.8
3.2 inches monthly rainfall in November in Marietta3.2
3.1 inches monthly rainfall in December in Marietta3.1

More about Marietta

Marietta by month

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

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The climate guide for Ohio (Marietta) 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 Marietta?

Marietta has a cold climate with hot summers and some rainfall in all months.

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare Marietta with the UK

Below the Marietta chart shows average maximum daytime temperature for Marietta, Ohio, USA and the UK (London).

Maximum daytime temperature (°F)

Marietta, Ohio, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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