Climate and monthly weather forecastHumboldt, IA
Climate and monthly weather forecast
The climate of Humboldt
Humboldt, situated in Iowa, USA, experiences a predominate climate defined as Dfa under the Köppen climate classification. In simpler terms, it experiences a Humid Continental climate with no dry season and a hot summer. The geographical position of Humboldt makes it susceptible to a multitude of weather conditions throughout the year, rendering its climate quite diverse.Temperature fluctuations in Humboldt are considerable. High temperatures may reach up to 80.8°F (27.1°C) in mid-summer(July) and drop to as low as 11.7°F (-11.3°C) in the peak of winter(January). The low temperatures, in contrast, vary from 63.7°F (17.6°C) in summers to a chilling 19°F (-7.2°C) during the winters. A gradual yet consistent increase and decrease in temperature follow the changing seasons.
Humboldt receives an average rainfall of 1.97" (50mm) to 3.7" (94mm) between the months of May to July, while the driest period is in the winters with an average precipitation of 0.94" (24mm) to 1.26" (32mm) from December to February. The trend in cloud cover follows temperature variations, with higher percentages recorded in winter months up to 57%, and lower in summer down to 30%.
Unique to this area is the snowfall, particularly heavy in January(4.96" (126mm)) and February(5" (127mm)), with a tendency to decrease as spring approaches. Shifting to the other end of the spectrum, the longest daylight hours(15.3 hours) are witnessed in June, while December sees the shortest average of 9.1 hours.
The best time to visit Humboldt
Taking into account the comparative climate data, the ideal period to visit Humboldt would arguably be late spring to early summer, particularly from May to June. During these months, the weather is characterized by warmer temperatures, ranging from the average high of 56.8°F (13.8°C) to 78.1°F (25.6°C), and relatively lower rainfall amounts. The relatively longer daylight hours during these months, approximately 14.6 hours to 15.3 hours, offer ample time for outdoor activities. The UV index also sees a rise in these months, reaching up to level 6 in June.The worst time to visit Humboldt
Based primarily on the weather elements, the least preferable period to visit Humboldt would be the winter months, from November to February. The winter months are marked by exceedingly cold temperatures, varying from the average low of 31.5°F (-0.3°C) to 11.7°F (-11.3°C). In addition, heavy snowfall during January and February could pose transportation difficulties or disrupt planned outdoor activities.Spring weather in Humboldt
Spring in Humboldt, from March to May, is punctuated by gradual rising temperatures, starting from 44.1°F (6.7°C) in March to as high as 69.1°F (20.6°C) in May. Nevertheless, the weather can still be relatively chilly, with lows varying from 29.5°F (-1.4°C) to 52.5°F (11.4°C). This period sees a steady increase in rainfall, starting with 1.5" (38mm) in March and peaking at 3.43" (87mm) in May. Additionally, daylight hours extend, making for longer and progressively sunnier days.Summer weather in Humboldt
Summer in Humboldt showcases warm and humid conditions from June to August. High temperatures may reach up to 80.8°F (27.1°C) in July, while the lowest temperature does not drop below 61°F (16.1°C). Rainfall levels fluctuate, albeit slightly, with June receiving the highest amount of 3.7" (94mm). The summer period sees the most extended daylight durations, giving residents and visitors up to 15.3 hours of daylight in June.Autumn weather in Humboldt
Autumn in Humboldt, spanning September through November, witnesses falling temperatures starting from a high of 74.1°F (23.4°C) in September down to 44.1°F (6.7°C) in November. The autumn rains are close to average with precipitation ranging approximately from 1.1" (28mm) to 2.4" (61mm). However, daylight hours shrink during these months, not exceeding 11 hours in November.Winter weather in Humboldt
Winter arrives in force in Humboldt from December to February, with freezing temperatures that can dip to as low as 11.7°F (-11.3°C) in January. Rainfall levels drop significantly during the winter months, however, snowfall reaches its highest point with almost 5" (127mm) in January. Despite the cold, the winter months may yield clear days with sunshine hours amounting to 4.5 hours in December.Weather in January
As the new year begins, the weather in Humboldt, Iowa is characterized by winter conditions. The cold temperatures stand out with the lowest average lows of the year, reaching down to 11.7°F (-11.3°C). Relative humidity is high, adding a measure of bite to the winter chill. Weather in January »Weather in February
February continues the trend of frosty weather set by January, albeit with slightly warmer temperatures. Snowfall remains a common occurrence, painting Humboldt in shades of white and adding to the winter experience. The daylight hours extend just a bit longer, indicating the slow but steady approach of spring. Weather in February »Weather in March
The touch of spring starts to make its presence felt in March in Humboldt, Iowa. Temperatures begin to climb, marking a transition away from the freezing winter values. Days grow noticeably longer, evidencing the Earth's shift towards the sun. Weather in March »Weather in April
April exhibits true spring conditions in Humboldt. Temperatures continue their upward trajectory, marking a definite departure from the cold of winter. The increased daylight hours and warmer weather coax buds to burst into bloom. Rainfalls persist, ensuring ample water supply for the newly sprouting plants. Weather in April »Weather in May
In May, Humboldt witnesses a set of weather patterns indicative of impending summer. Warmer air replaces the cool spring breezes, and the skies brighten as the sunshine hours peak. Nature blossoms to its fullest while animals become increasingly active. Weather in May »Weather in June
June heralds the arrival of summer in Humboldt, Iowa, with temperatures climbing to near peak levels. With longer sunshine hours and increased UV index, outdoor activities become increasingly attractive. Rainfall continues but experiences a slight decrease compared to May, allowing for more dry and sunny days. Weather in June »Weather in July
Humboldt experiences the zenith of summer in July. The sun blazes with its full strength, pushing the temperatures to an average high of 80.8°F (27.1°C). The rising temperature heightens the evaporation rate and causes a notable increase in relative humidity. Weather in July »Weather in August
Summer starts to lose its grip on Humboldt in August. The temperatures, although still relatively high, record a slight dip compared to July. Daylight hours also start to contract, foreshadowing the impending end of the summer season. Weather in August »Weather in September
September signals the onset of fall in Humboldt. Temperatures begin to retreat from their summer peak, hinting at the approaching coolness of autumn. The transition emphasizes the beauty of nature as foliage starts to show off a multitude of colors. Weather in September »Weather in October
October brings the full flavor of autumn to Humboldt. The temperatures continue their decline, providing a refreshing break from the summer heat. The fall season adds a rustic charm to the ambience with leaves turning copper and gold. Weather in October »Weather in November
The shades of November in Humboldt are often muted, as winter begins to creep in. The transition is marked by dropping temperatures, shrinking daylight hours, and changing flora. Rainfall continues its recession, paving the way for the dry season. Weather in November »Weather in December
December finds Humboldt, Iowa fully wrapped in winter's icy embrace. The temperatures hit their annual lows, and the days contract to their shortest length. Against this cold, gray backdrop, snowfall makes its most substantial appearance, averaging around 2.76" (70mm). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Humboldt, 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 (24.3°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
Humboldt, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"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:
29.88"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"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Humboldt, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.5mph - 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 (7.3mph).
Average humidity
Humboldt, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Humboldt, IA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.18" - Average rainfall in March:
1.5" - Average rainfall in April:
2.83" - Average rainfall in May:
3.43" - Average rainfall in June:
3.7"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Humboldt, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Humboldt, IA
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Humboldt, IA
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
9 days - Average snowfall days in March:
5.4 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.3 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:
3.4 days - Average snowfall days in December:
9.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Humboldt, 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 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - 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 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 0min - 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 42min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 30min
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 0min).
Average sunshine days
Humboldt, IA
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index
Humboldt, 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, November and December (UV index 2).
Average cloud cover
Humboldt, IA
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Humboldt, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





