Climate and monthly weather forecastHeron Lake, MN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Heron Lake, Minnesota, is a freezing cold winter month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 8.6°F (-13°C). Heron Lake, Minnesota, experiences its lowest temperatures in January, with an average peak of 21.7°F (-5.7°C) and a low of 8.6°F (-13°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Heron Lake, Minnesota, with an average temperature varying between 12°F (-11.1°C) and 25.2°F (-3.8°C). Upon the beginning of February, Heron Lake's high-temperatures register at a still freezing cold 25.2°F (-3.8°C), closely mirroring the preceding month. Weather in February »Weather in March
March, the first month of the spring in Heron Lake, is a cold month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 27°F (-2.8°C). March's arrival witnesses a distinct temperature rise, advancing from February's freezing cold 25.2°F (-3.8°C) to a cold 40.6°F (4.8°C). Weather in March »Weather in April
April in Heron Lake, Minnesota, is a cool spring month, with an average temperature ranging between min 38.7°F (3.7°C) and max 54.1°F (12.3°C). In Heron Lake, the onset of April comes with an increased average high-temperature, moving from March's cold 40.6°F (4.8°C) to a fresh 54.1°F (12.3°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Heron Lake, Minnesota, with an average temperature ranging between max 67.1°F (19.5°C) and min 50.5°F (10.3°C). May's onset is marked by a temperature increase, moving from a fresh 54.1°F (12.3°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »Weather in June
June, the first month of the summer in Heron Lake, is a warm month, with an average temperature ranging between min 60.4°F (15.8°C) and max 76.6°F (24.8°C). The average high-temperature increases in June, moving from an enjoyable 67.1°F (19.5°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Heron Lake, Minnesota, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 80.2°F (26.8°C). July, with its high-temperature average of 80.2°F (26.8°C) and a low-temperature average of 62.2°F (16.8°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Heron Lake, is another warm month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 59.5°F (15.3°C). The transition into August notes an average high-temperature of a still warm 78.1°F (25.6°C), revealing a mild distinction from the 80.2°F (26.8°C) in July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Heron Lake, Minnesota, with an average temperature ranging between min 53.2°F (11.8°C) and max 72.5°F (22.5°C). Heron Lake, Minnesota, in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 78.1°F (25.6°C) to a pleasant 72.5°F (22.5°C). Weather in September »Weather in October
October, the same as September, in Heron Lake, Minnesota, is another refreshing autumn month, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 41.2°F (5.1°C). The average high-temperature exhibits a considerable decrease in October, dropping from an agreeable 72.5°F (22.5°C) in September to a mild 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 Heron Lake, Minnesota, with an average temperature varying between 41.5°F (5.3°C) and 29.3°F (-1.5°C). As Heron Lake transitions into November, a noticeable drop in the average high-temperature is observed, falling from a refreshing 56.3°F (13.5°C) in October to a cold 41.5°F (5.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Heron Lake, Minnesota, with temperature in the range of an average low of 15.4°F (-9.2°C) and an average high of 26.2°F (-3.2°C). December is characterized by a clear drop in the average high-temperature, falling from November's icy 41.5°F (5.3°C) to a freezing cold 26.2°F (-3.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Heron Lake, MN
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (21.7°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 (8.6°F).
Average pressure
Heron Lake, MN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Heron Lake, MN
- Average wind speed in January:
11.1mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.9mph - Average wind speed in September:
9.2mph - Average wind speed in October:
10.6mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.7mph
The windiest months (with the highest average wind speed) are January, February and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity
Heron Lake, MN
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Heron Lake, MN
- Average rainfall in January:
0.67" - Average rainfall in February:
0.87" - Average rainfall in March:
1.42" - Average rainfall in April:
2.28" - Average rainfall in May:
2.68" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.68" - Average rainfall in August:
1.93" - Average rainfall in September:
2.05" - Average rainfall in October:
1.34" - Average rainfall in November:
0.91" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Heron Lake, MN
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (17.2 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall
Heron Lake, MN
- Average snowfall in January:
3.27" - Average snowfall in February:
4.84" - Average snowfall in March:
3.39" - Average snowfall in April:
1.97" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Heron Lake, MN
- Average snowfall days in January:
10 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
0.7 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:
4.8 days - Average snowfall days in December:
11.4 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Heron Lake, MN
- Average daylight in January:
9h and 24min - 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 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Heron Lake, MN
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index
Heron Lake, 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
Heron Lake, MN
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Heron Lake, 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).





