Climate and monthly weather forecastArco, MN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Arco, Minnesota, is a freezing cold winter month, with temperature in the range of an average low of 7.3°F (-13.7°C) and an average high of 21°F (-6.1°C). With its high average temperature of 21°F (-6.1°C) and a low of 7.3°F (-13.7°C), January is regarded as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Arco, is another freezing cold month, with an average temperature ranging between max 24.3°F (-4.3°C) and min 10.8°F (-11.8°C). Arco's entry into February measures an average high-temperature of a still freezing cold 24.3°F (-4.3°C), closely parallel to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Arco, is an icy month, with an average temperature ranging between min 25.3°F (-3.7°C) and max 39.7°F (4.3°C). March indicates a noticeable escalation in the average high-temperature, moving up from a freezing cold 24.3°F (-4.3°C) in February to a cold 39.7°F (4.3°C). Weather in March »Weather in April
April in Arco, Minnesota, is a cool spring month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 53.4°F (11.9°C). In April, the average high-temperature increases from an icy 39.7°F (4.3°C) in March to a fresh 53.4°F (11.9°C). Weather in April »Weather in May
May, the last month of the spring in Arco, is an enjoyable month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 66.7°F (19.3°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's cool 53.4°F (11.9°C) to an enjoyable 66.7°F (19.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Arco, Minnesota, with an average temperature fluctuating between 59.2°F (15.1°C) and 76.5°F (24.7°C). The beginning of June signals a rise in the average high-temperature, moving from an enjoyable 66.7°F (19.3°C) in May to a warm 76.5°F (24.7°C). Weather in June »Weather in July
July, like June, in Arco, Minnesota, is another warm summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 62.2°F (16.8°C). July is the warmest month, with the temperature often reaching an average high of 81.1°F (27.3°C) and an average low of 62.2°F (16.8°C). During July, the heat index is estimated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Arco, Minnesota, with an average temperature ranging between max 80.2°F (26.8°C) and min 59.7°F (15.4°C). As Arco transitions into August, the average high-temperature stands at a still warm 80.2°F (26.8°C), offering little variation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Arco, Minnesota, with an average temperature fluctuating between 53.1°F (11.7°C) and 72.5°F (22.5°C). Arco records a mild change in average high-temperature during September, easing from a moderately hot 80.2°F (26.8°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Arco, Minnesota, with an average temperature varying between 56.3°F (13.5°C) and 41°F (5°C). As Arco steps into October, the average high-temperature decreases significantly from the a pleasant 72.5°F (22.5°C) of September to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Arco, Minnesota, with an average temperature ranging between max 41.7°F (5.4°C) and min 28.6°F (-1.9°C). A notable decrease in the average high-temperature is observed during November, falling from a mild 56.3°F (13.5°C) in October to a wintry 41.7°F (5.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Arco, Minnesota, with an average temperature ranging between min 14.9°F (-9.5°C) and max 25.7°F (-3.5°C). Arco in December showcases a distinct temperature shift, moving from an average high of an icy 41.7°F (5.4°C) in November to a freezing cold 25.7°F (-3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Arco, MN
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21°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 (7.3°F).
Average pressure
Arco, 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:
29.94"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
Arco, MN
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8mph - Average wind speed in August:
8mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.6mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity
Arco, MN
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Arco, MN
- Average rainfall in January:
0.71" - Average rainfall in February:
0.87" - Average rainfall in March:
1.57" - Average rainfall in April:
2.28" - Average rainfall in May:
2.95" - Average rainfall in June:
3.27"
- Average rainfall in July:
3.11" - Average rainfall in August:
2.24" - Average rainfall in September:
1.93" - Average rainfall in October:
1.93" - Average rainfall in November:
0.83" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Arco, MN
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
8.6 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
3.8 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (2.3 days).
Average snowfall
Arco, MN
- Average snowfall in January:
4.33" - Average snowfall in February:
5.63" - Average snowfall in March:
4.17" - Average snowfall in April:
3.19" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arco, MN
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
11 days - Average snowfall days in March:
8 days - Average snowfall days in April:
4.1 days - Average snowfall days in May:
0.3 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:
1.5 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
11 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Arco, MN
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Arco, MN
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Arco, MN
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Arco, MN
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Arco, 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).





