Climate and monthly weather forecastMarietta, MN
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Marietta, Minnesota, with an average temperature fluctuating between 6.3°F (-14.3°C) and 20.3°F (-6.5°C). January, with its average high-temperature of 20.3°F (-6.5°C) and an average low-temperature of 6.3°F (-14.3°C), holds the record as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Marietta, Minnesota, with an average temperature ranging between min 9.5°F (-12.5°C) and max 23.5°F (-4.7°C). Marietta experiences a recorded average high-temperature of a still subzero cold 23.5°F (-4.7°C) in February, closely aligned with January's 20.3°F (-6.5°C). Weather in February »Weather in March
March, the first month of the spring in Marietta, is an icy month, with an average temperature varying between 24.8°F (-4°C) and 39.2°F (4°C). Marietta in March sees a clear temperature escalation, with average high-temperatures increasing from a freezing cold 23.5°F (-4.7°C) in February to a cold 39.2°F (4°C). Weather in March »Weather in April
April in Marietta, Minnesota, is a fresh spring month, with an average temperature varying between 53.6°F (12°C) and 37.8°F (3.2°C). The shift into April is characterized by a noticeable escalation in the average high-temperature, rising from March's cold 39.2°F (4°C) to a cool 53.6°F (12°C). Weather in April »Weather in May
May, the last month of the spring in Marietta, is a comfortable month, with an average temperature varying between 49.6°F (9.8°C) and 67.1°F (19.5°C). May shows a rise in the average high-temperature, moving from April's cool 53.6°F (12°C) to an enjoyable 67.1°F (19.5°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Marietta, Minnesota, with an average temperature varying between 58.6°F (14.8°C) and 76.6°F (24.8°C). The arrival of June brings a change in Marietta's weather, with average high-temperatures moving from May's comfortable 67.1°F (19.5°C) to a moderately hot 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Marietta, Minnesota, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.7°F (27.6°C). During the warmest month, July, temperatures average a high of 81.7°F (27.6°C) and a low of 62.2°F (16.8°C). July's average heat index is appraised at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Marietta, Minnesota, with an average temperature ranging between max 80.6°F (27°C) and min 59.4°F (15.2°C). The commencement of August notes an average high-temperature of a still moderately hot 80.6°F (27°C), exhibiting little difference from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Marietta, is still a pleasant month, with an average temperature ranging between max 73°F (22.8°C) and min 52.7°F (11.5°C). September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 80.6°F (27°C) to an agreeable 73°F (22.8°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Marietta, Minnesota, with an average temperature ranging between max 56.5°F (13.6°C) and min 41.4°F (5.2°C). With the onset of October, Marietta's average high-temperature witnesses a clear drop, receding from September's agreeable 73°F (22.8°C) to a moderate 56.5°F (13.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Marietta, Minnesota, with an average temperature varying between 41.2°F (5.1°C) and 28.8°F (-1.8°C). The shift from October to November sees a distinct decrease in the average high-temperature, dropping from a moderate 56.5°F (13.6°C) to a wintry 41.2°F (5.1°C). Weather in November »Weather in December
December, the first month of the winter in Marietta, is still a freezing cold month, with an average temperature ranging between max 25.2°F (-3.8°C) and min 14°F (-10°C). December's arrival is marked by a significant decrease in the average high-temperature, moving from a wintry 41.2°F (5.1°C) in November to a subzero cold 25.2°F (-3.8°C). Weather in December »Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest time of the year is January, with temperatures averaging a high of 20.3°F (-6.5°C) and a low of 6.3°F (-14.3°C).
With an average relative humidity of 89%, January is the most humid month.
The month with the least rainfall is January, when the rain falls for 2.2 days and typically collects 0.55" (14mm) of precipitation.
In Marietta, during the entire year, the rain falls for 99.9 days and collects up to 19.65" (499mm) of precipitation.
Months with snowfall are January through May, October through December.
In Marietta, during the entire year, snow falls for 47 days and aggregates up to 20.35" (517mm) of snow.
January has the least sunshine of the year, with an average of 3.8h of sunshine.
January and November, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 10.3 days and typically aggregates up to 4.53" (115mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 36min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
In Marietta, the peak average temperatures are observed in July, with a high of 81.7°F (27.6°C) and a low of 62.2°F (16.8°C).
July is the month with the most rainfall. Rain falls for 12.8 days and accumulates 3.35" (85mm) of precipitation.
With an average of 10.6h of sunshine, July has the most sunshine of the year.
October is the least humid month, with an average relative humidity of 66%.
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Marietta, MN
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (20.3°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure
Marietta, MN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Marietta, MN
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.4mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
7.7mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity
Marietta, MN
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Marietta, MN
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
1.1" - Average rainfall in April:
1.81" - Average rainfall in May:
2.44" - Average rainfall in June:
2.76"
- Average rainfall in July:
3.35" - Average rainfall in August:
2.09" - Average rainfall in September:
1.57" - Average rainfall in October:
1.61" - Average rainfall in November:
0.71" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Marietta, MN
- Average rainfall days in January:
2.2 days - Average rainfall days in February:
1.3 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
12 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
2.8 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.3 days).
Average snowfall
Marietta, MN
- Average snowfall in January:
3.58" - Average snowfall in February:
4.53" - Average snowfall in March:
3.39" - Average snowfall in April:
2.44" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Marietta, MN
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
3.7 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.7 days - Average snowfall days in November:
4.6 days - Average snowfall days in December:
10.5 days
The months with the highest number of snowfall days are January and December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Marietta, MN
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Marietta, MN
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12.6 days).
Average UV index
Marietta, MN
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover
Marietta, MN
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Marietta, MN
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
