Best year time to visit Borough of Marietta

General weather information about Borough of Marietta

Average annual temperature is 13.6 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -9.9 °C

Number of sunny days: 189 days

Number of rainy days: 172 days

Number of snow days: 4 days

* Weather data for Borough of Marietta United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	18.3	20.6	21.0	29.7	29.2	33.9	34.7	32.3	34.3	27.6	22.5	17.1
Average daytime temperature (°C)	8.8	10.5	11.6	20.4	22.8	27.1	30.6	28.8	24.9	19.9	12.2	9.6
Average temperature (°C)	5.0	5.0	5.9	13.9	16.1	20.7	25.2	23.6	20.0	14.7	6.9	5.4
Average night temperature (°C)	1.8	0.4	1.2	8.4	9.7	15.2	20.7	19.3	15.9	10.4	2.7	1.8
Absolute minimum temperature (°C)	-3.7	-9.9	-5.0	1.7	4.1	10.0	17.6	14.9	10.1	4.3	-4.8	-3.4

The best time to visit Borough of Marietta during the most sunny months:

The largest precipitation sum in Borough of Marietta is at

April — 138(mm)

September — 154(mm)

December — 137(mm)

When is the best time to visit Borough of Marietta?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Borough of Marietta.

What is the weather like in Borough of Marietta?

See average temperature, rainfall and daylight hours for Borough of Marietta by month in the table above.

How many sunny days does Borough of Marietta have?

The monthly weather statistics above show sunshine and rainfall patterns for Borough of Marietta throughout the year.