Climate and monthly weather forecastDelphos, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Delphos, Iowa, with an average temperature fluctuating between 30.6°F (-0.8°C) and 16.9°F (-8.4°C). In Delphos, January is the month with the lowest recorded average temperatures, measuring a high of 30.6°F (-0.8°C) and a low of 16.9°F (-8.4°C). Weather in January »Weather in February
February, the last month of the winter in Delphos, is an icy month, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 34.2°F (1.2°C). With February's advent, Delphos sees an average high-temperature of a cold 34.2°F (1.2°C), subtly shifted from January's 30.6°F (-0.8°C). Weather in February »Weather in March
March, the first month of the spring in Delphos, is a chilly month, with an average temperature ranging between min 33.3°F (0.7°C) and max 48.7°F (9.3°C). The arrival of March is marked by a notable increase in high-temperatures, climbing from a cold 34.2°F (1.2°C) in February to a chilly 48.7°F (9.3°C). Weather in March »Weather in April
April in Delphos, Iowa, is a moderate spring month, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 60.4°F (15.8°C). Delphos sees an increase in average high-temperatures during April, moving from a chilly 48.7°F (9.3°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Delphos, is a pleasant month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 69.6°F (20.9°C). Entering May, Delphos sees a temperature rise, with the average high-temperature advancing from April's moderate 60.4°F (15.8°C) to an agreeable 69.6°F (20.9°C). Weather in May »Weather in June
June, the first month of the summer in Delphos, is a warm month, with an average temperature varying between 79.9°F (26.6°C) and 63.3°F (17.4°C). The arrival of June signals an increase in the average high-temperature, moving from an agreeable 69.6°F (20.9°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, like June, in Delphos, Iowa, is another warm summer month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 66°F (18.9°C). July is the warmest month, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 66°F (18.9°C). In July, the heat index is evaluated at a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Delphos, Iowa, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 63.3°F (17.4°C). With the onset of August, Delphos's average high-temperature clocks in at a still moderately hot 81.7°F (27.6°C), showing a minor fluctuation from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Delphos, Iowa, with an average temperature ranging between min 56.3°F (13.5°C) and max 75.9°F (24.4°C). September is characterized by a mild reduction in the average high-temperature, from a warm 81.7°F (27.6°C) in August to a still moderately hot 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Delphos, Iowa, is another enjoyable autumn month, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 61.5°F (16.4°C). Witnessing a clear drop in October, the average high-temperature declines from September's moderately hot 75.9°F (24.4°C) to a comfortable 61.5°F (16.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Delphos, Iowa, with an average temperature fluctuating between 33.1°F (0.6°C) and 48.4°F (9.1°C). As November arrives, Delphos's weather displays a decrease in high-temperatures, transitioning from October's enjoyable 61.5°F (16.4°C) to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Delphos, is also a wintry month, with an average temperature ranging between max 35.2°F (1.8°C) and min 23.2°F (-4.9°C). With the onset of December, Delphos's average high-temperature adjusts, receding from November's chilly 48.4°F (9.1°C) to a cold 35.2°F (1.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Delphos, IA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Delphos, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Delphos, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Delphos, IA
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Delphos, IA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.71" - Average rainfall in March:
1.54" - Average rainfall in April:
1.93" - Average rainfall in May:
3.46" - Average rainfall in June:
3.86"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.32" - Average rainfall in September:
2.24" - Average rainfall in October:
1.65" - Average rainfall in November:
1.1" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days
Delphos, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Delphos, IA
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Delphos, IA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.8 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:
0.8 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Delphos, IA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Delphos, IA
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Delphos, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Delphos, IA
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Delphos, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





