Climate and monthly weather forecastGarwin, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Garwin, Iowa, with an average temperature varying between 26.1°F (-3.3°C) and 13.5°F (-10.3°C). January, with its average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 13.5°F (-10.3°C), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Garwin, is another freezing cold month, with an average temperature varying between 16.7°F (-8.5°C) and 30°F (-1.1°C). The arrival of February sees a recorded average high-temperature of a still subzero cold 30°F (-1.1°C), showing little divergence from the previous month's conditions. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Garwin, Iowa, with an average temperature ranging between min 30.4°F (-0.9°C) and max 45.1°F (7.3°C). A shift in Garwin's weather is noticeable as February turns into March, with the average high temperature increases from a freezing cold 30°F (-1.1°C) to a chilly 45.1°F (7.3°C). Weather in March »Weather in April
April is a mild spring month in Garwin, Iowa, with an average temperature fluctuating between 41.4°F (5.2°C) and 57.7°F (14.3°C). The rise of average high-temperatures is seen in April, with an increase from a frosty 45.1°F (7.3°C) in March to a mild 57.7°F (14.3°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Garwin, Iowa, with an average temperature fluctuating between 52.2°F (11.2°C) and 68.9°F (20.5°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 57.7°F (14.3°C) to an agreeable 68.9°F (20.5°C). Weather in May »Weather in June
June, the first month of the summer in Garwin, is a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 78.3°F (25.7°C). As Garwin transitions into June, the average high-temperature is observed to rise from a pleasant 68.9°F (20.5°C) in May to a warm 78.3°F (25.7°C). Weather in June »Weather in July
July, like June, in Garwin, Iowa, is a moderately hot summer month, with an average temperature ranging between min 64.4°F (18°C) and max 80.8°F (27.1°C). The average temperatures reach their apex in July, averaging 80.8°F (27.1°C) at the high end and 64.4°F (18°C) at the low end. The heat index value during July is appraised at a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Garwin, is another warm month, with an average temperature varying between 61.5°F (16.4°C) and 79.5°F (26.4°C). Garwin's August average high-temperature settles at a still warm 79.5°F (26.4°C), showing a near match with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Garwin, is also a moderately hot month, with an average temperature varying between 74.5°F (23.6°C) and 54.7°F (12.6°C). Garwin experiences a transition to a still warm 74.5°F (23.6°C) in average high-temperatures with the arrival of September, not greatly differing from August's 79.5°F (26.4°C). Weather in September »Weather in October
October, the same as September, in Garwin, Iowa, is another mild autumn month, with an average temperature fluctuating between 43.9°F (6.6°C) and 59.9°F (15.5°C). The onset of October marks a clear decrease in the average high-temperature, dropping from a warm 74.5°F (23.6°C) in September to a moderate 59.9°F (15.5°C). Weather in October »Weather in November
November, the last month of the autumn in Garwin, is also a frosty month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 31.8°F (-0.1°C). November's onset witnesses a marked shift in the average high-temperature, moving from a mild 59.9°F (15.5°C) in October to a frosty 45.1°F (7.3°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Garwin, Iowa, with an average temperature ranging between min 21.4°F (-5.9°C) and max 32.5°F (0.3°C). A shift in the average high-temperature occurs in December, reducing from a frosty 45.1°F (7.3°C) in November to a wintry 32.5°F (0.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Garwin, IA
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.1°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Garwin, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Garwin, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.2mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Garwin, IA
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Garwin, IA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.02" - Average rainfall in March:
1.85" - Average rainfall in April:
3.15" - Average rainfall in May:
4.13" - Average rainfall in June:
3.94"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.2" - Average rainfall in September:
2.64" - Average rainfall in October:
2.13" - Average rainfall in November:
1.46" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days
Garwin, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (4.1 days).
Average snowfall
Garwin, IA
- Average snowfall in January:
4.21" - Average snowfall in February:
4.09" - Average snowfall in March:
1.69" - Average snowfall in April:
0.63" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Garwin, IA
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0.2 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:
2.9 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Garwin, IA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Garwin, IA
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
16 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Garwin, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Garwin, IA
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Garwin, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





