Climate and monthly weather forecastEarlham, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Earlham, Iowa, is a freezing cold winter month, with an average temperature varying between 28°F (-2.2°C) and 14.4°F (-9.8°C). With an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 14.4°F (-9.8°C), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a cold month in Earlham, Iowa, with an average temperature ranging between min 18°F (-7.8°C) and max 32°F (0°C). The transition into February reveals an average high-temperature of a wintry 32°F (0°C), mirroring a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Earlham, Iowa, with an average temperature varying between 46.9°F (8.3°C) and 32°F (0°C). March's arrival is marked by a significant increase in the average high-temperature, moving from an icy 32°F (0°C) in February to a chilly 46.9°F (8.3°C). Weather in March »Weather in April
April is a mild spring month in Earlham, Iowa, with an average temperature fluctuating between 59.5°F (15.3°C) and 42.3°F (5.7°C). Earlham's April weather brings a rise in high-temperatures, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Earlham, Iowa, with an average temperature fluctuating between 69.6°F (20.9°C) and 52.7°F (11.5°C). May's onset brings a temperature rise, moving from a mild 59.5°F (15.3°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Earlham, Iowa, with an average temperature ranging between min 62.8°F (17.1°C) and max 79.3°F (26.3°C). A rise in the average high-temperature is observed during June, moving from an agreeable 69.6°F (20.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Earlham, Iowa, is a moderately hot summer month, with an average temperature ranging between min 65.1°F (18.4°C) and max 82.8°F (28.2°C). In Earlham, the highest average temperatures are observed in July, with a high of 82.8°F (28.2°C) and a low of 65.1°F (18.4°C). The heat index value during July is estimated at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Earlham, Iowa, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.1°F (27.3°C). The average high-temperature during August registers at a still warm 81.1°F (27.3°C), closely corresponding to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Earlham, is still a warm month, with an average temperature varying between 55.9°F (13.3°C) and 75.4°F (24.1°C). September brings a minor shift in the average high-temperature, adjusting from a moderately hot 81.1°F (27.3°C) in August to a still warm 75.4°F (24.1°C). Weather in September »Weather in October
October, the same as September, in Earlham, Iowa, is a moderate autumn month, with an average temperature fluctuating between 44.4°F (6.9°C) and 60.4°F (15.8°C). In Earlham, the onset of October is marked by a decreased average high-temperature, declining from September's warm 75.4°F (24.1°C) to a mild 60.4°F (15.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Earlham, Iowa, with an average temperature varying between 46.6°F (8.1°C) and 32.7°F (0.4°C). In Earlham, the average high-temperature in November decreases from a refreshing 60.4°F (15.8°C) in October to a frosty 46.6°F (8.1°C). Weather in November »Weather in December
December, the first month of the winter in Earlham, is still a cold month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 33.4°F (0.8°C). Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 46.6°F (8.1°C) in November to a wintry 33.4°F (0.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Earlham, IA
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
Earlham, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"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:
30.12"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
Earlham, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Earlham, IA
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Earlham, IA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
0.98" - Average rainfall in April:
1.34" - Average rainfall in May:
2.56" - Average rainfall in June:
2.68"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.89" - Average rainfall in September:
1.73" - Average rainfall in October:
1.18" - Average rainfall in November:
0.63" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Earlham, IA
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
3.9 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Earlham, IA
- Average snowfall in January:
1.93" - Average snowfall in February:
2.09" - Average snowfall in March:
1.06" - Average snowfall in April:
0.43" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Earlham, IA
- Average snowfall days in January:
8.9 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
1.2 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:
2.3 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Earlham, IA
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 48min
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 18min).
Average sunshine days
Earlham, IA
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
14.5 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
21.9 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (11.9 days).
Average UV index
Earlham, 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
Earlham, IA
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Earlham, IA
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





