Climate and monthly weather forecastLamoni, IA
Climate and monthly weather forecast
The climate of Lamoni
Positioned in Iowa, USA, Lamoni typifies a Humid Continental climate, identified as a Dfa in the Köppen climate classification. This type of climate accompanies four seasons of distinct characteristics, with no dry season and hot summers being noteworthy facets. The prevalent weather conditions in Lamoni bring sizable changes in all weather elements throughout the year.Taking a dive into the assorted data representation, temperature offers clear signals of seasonal changes. High temperatures sweep from 30.7°F (-0.7°C) in January to a peak of 83.5°F (28.6°C) in July, then taper off to 36°F (2.2°C) by December. Compellingly, her low-temperature readings oscillate from 16.9°F (-8.4°C) to 66.2°F (19°C) within the same interval. The warmest, driest days of the year are evident between June and September, when high temperatures sustain above 60°F (15.6°C), promoting comparatively comfortable weather.
Humidity ebbs and rises through the year hovering around 80% most months, with its highest peak in June and its lowest in November, with relative humidity values of 83% and 71% respectively. Observing rainfall patterns, May holds the highest rainfall records at 3.43" (87mm) while precipitation is least in January and February, each having 0.71" (18mm). In most months, the city faces rainfall for about 10 to 15 days, while snowfall incidents vary from 0 to 8.6 days. More interestingly, May owns the record for daylight hours with a sizeable 14.5 hours as opposed to two-thirds of this value in December.
The best time to visit Lamoni
The ideal circumstance for visiting Lamoni would be during late spring or early summer, primarily between May and June. During this interval, the city offers moderately high temperatures from 60.8°F (16°C) to 80.1°F (26.7°C), relatively low humidity with an average of 81%, and medium daylight hours, between 14.5 to 15 hours. Moreover, at an average of 8.5 to 9.7 hours, sunshine duration is ample, thereby enhancing outdoor activities. Although rainfall is a bit high, covering 3.15" (80mm) in May, days with rain are non-continuous.The worst time to visit Lamoni
The heart of the winter period, with its cold temperatures and snowfall, positions itself at the less inviting edge for tourist visits. Specifically, travelers may find January excessively frigid, with high temperatures plummeting to 30.7°F (-0.7°C) and lows down to 16.9°F (-8.4°C). Added to this, daylight hours drop drastically to 9.7 hours, along with the presence of snowfall for nearly a third of the month.Spring weather in Lamoni
Spring ushers in a delightful transformation to the climate of Lamoni. From March to May, high temperatures spring from cold 49.1°F (9.5°C) to a much pleasing 69.8°F (21°C) while lows increase from 33.8°F (1°C) to warm 53.2°F (11.8°C). Rainfall takes quite an upward turn, swelling from 1.57" (40mm) to 3.15" (80mm), whereas snowfall experiences a remarkable drop-off, with 1.18" (30mm) in March dwindling to just 0.16" (4mm) by May.Summer weather in Lamoni
Summers in Lamoni span from June to August, taking the city through its warmest and driest phase. High temperatures hit their peak in July with an average high of 83.5°F (28.6°C), whereas late night temperatures are most comfortable in June and July at 63.3°F (17.4°C) and 66.2°F (19°C) respectively. Given the relatively low humidity levels and extended daylight hours, the summer season aligns with outdoor leisure and activities.Autumn weather in Lamoni
Autumn transits through cooler weather conditions from September to November. High temperatures taper from 76.1°F (24.5°C) to 48.6°F (9.2°C) while low temperatures notch from 56.3°F (13.5°C) to 33.4°F (0.8°C). Notably, rain shrinks from 2.2" (56mm) to 1.02" (26mm) during this period, indicating lesser wet days. As daylight and sunshine hours drop noticeably, night starts earlier.Winter weather in Lamoni
The winter season in Lamoni, starting in December, brings on the coldest conditions. The high temperature sees a sharp fall from 36°F (2.2°C) in December to 30.7°F (-0.7°C) in January before a slight rise to 34.5°F (1.4°C) in February. Low temperatures also steeply descend during these months, touching 23.9°F (-4.5°C) in December and then remaining less than 21°F (-6.1°C) till February. Moreover, the winter months witness increased snowfall, standing at 1.18" (30mm) in December and February and 2.95" (75mm) in January.Weather in January
January is often the start of a frigid period in Lamoni, Iowa, with average temperatures hovering around 30.7°F (-0.7°C) and dipping as low as 16.9°F (-8.4°C). January seems to set the tone for the ensuing weather conditions, having a lower UV index, fewer daylight hours, and a higher percentage of cloud cover. Weather in January »Weather in February
The transition from January to February in Lamoni, Iowa features a slight increase in temperatures but still remains within the confines of the winter temperature spectrum. The later part of February often signals the end of the coldest period. Weather in February »Weather in March
March is a period of change in the weather of Lamoni, Iowa, with average high temperatures reaching 49.1°F (9.5°C) and low temperatures around 33.8°F (1°C). March witnesses a leap in rainfall, jumping from February's 0.71" (18mm) to a considerable 1.57" (40mm). Weather in March »Weather in April
April in Lamoni, Iowa, is a typical spring month with the climate becoming noticeably more temperate. A stark contrast is observable in the temperatures, which leap from an average of 49.1°F (9.5°C) in March to 60.8°F (16°C). Weather in April »Weather in May
May is a month where the weather truly begins to warm up in Lamoni, Iowa. This month witnesses an average high temperature of 69.8°F (21°C) and an average low of 53.2°F (11.8°C). There is a notable increase in the amount of daylight, with an average of 14.5 hours per day. Weather in May »Weather in June
June in Lamoni, Iowa, is a signature summer month marked by balmy weather and clear, sunny skies. The high temperature touches 80.1°F (26.7°C), the first instance of such warmth this year. The extended daylight hours contribute to the pleasantness of the weather, while the UV index of 6 is a sure sign of summer at its peak. Weather in June »Weather in July
July extends the warm spell in Lamoni, Iowa, and earns the distinction of being the hottest month of the year. July temperatures peak at an average high of 83.5°F (28.6°C), and the average low remains high at 66.2°F (19°C). Coupled with long daylight hours, the weather results in a warm and vibrant atmosphere. Weather in July »Weather in August
In August, Lamoni, Iowa, continues to experience warm summer weather, though slightly less intense than July. This month's weather sees an average high temperature of 82°F (27.8°C) with an average low at a comfortable 63.5°F (17.5°C). Weather in August »Weather in September
There is a noticeable change in the weather from August to September in Lamoni, Iowa. September's weather records an average high temperature of 76.1°F (24.5°C), marking the onset of the fall season. The hint of a season change is reflected in shorter daylight hours and a slight chill in the night air. Weather in September »Weather in October
October ushers in the full effect of the fall season in Lamoni, Iowa. The average temperature falls to a seasonal 61.7°F (16.5°C), a significant drop from 76.1°F (24.5°C) in September. The shorter daylight hours, combined with a rising cloud percentage, subtly hint at the nearing winter. Weather in October »Weather in November
November in Lamoni, Iowa, marks the start of a chill with average temperatures dropping down to 48.6°F (9.2°C), which is a significant dip from the previous month's average of 61.7°F (16.5°C). The change in weather is testified by a sharp drop in daylight hours and a rising cloud cover percentage. Weather in November »Weather in December
December brings about the full onset of winter in Lamoni, Iowa. The weather in December reaches an average high of a chilly 36°F (2.2°C), and an even colder low of 23.9°F (-4.5°C). Snowfall increases to an average of 1.18" (30mm), making December one of the snowiest months of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Lamoni, 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 (30.7°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Lamoni, 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:
29.89"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 (29.89"Hg).
Average wind speed
Lamoni, 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:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.8mph
- 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:
9.2mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
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
Lamoni, IA
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Lamoni, IA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.71" - Average rainfall in March:
1.57" - Average rainfall in April:
1.89" - Average rainfall in May:
3.15" - Average rainfall in June:
3.43"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.13" - Average rainfall in September:
2.2" - Average rainfall in October:
1.57" - Average rainfall in November:
1.02" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January, February and December (0.71").
Average rainfall days
Lamoni, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
10 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Lamoni, IA
- Average snowfall in January:
2.95" - Average snowfall in February:
2.4" - Average snowfall in March:
1.18" - Average snowfall in April:
1.81" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lamoni, IA
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.5 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:
0.5 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lamoni, 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 30min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 18min - 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:
4h and 54min
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 30min).
Average sunshine days
Lamoni, IA
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
17 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Lamoni, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Lamoni, IA
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Lamoni, 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).





