Climate and monthly weather forecast
Humboldt, IA

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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 »
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Frequently asked questions

What time of the year is the coldest in Humboldt?

In Humboldt, the lowest temperatures are generally noted in January, averaging a high of 24.3°F (-4.3°C) and a low of 11.7°F (-11.3°C).

What is the most humid month in Humboldt?

January is the most humid month in Humboldt, Iowa, with an average relative humidity of 86%.

What is the driest month in Humboldt?

January is the month with the least rainfall in Humboldt, Iowa. Rain falls for 4.5 days and accumulates 0.94" (24mm) of precipitation.

How many days does it rain in Humboldt?

Throughout the year, in Humboldt, Iowa, there are 130.6 rainfall days, and 25" (635mm) of precipitation is accumulated.

When does it snow in Humboldt?

January through May, October through December are months with snowfall in Humboldt.

How many days does it snow in Humboldt?

In Humboldt, during the entire year, snow falls for 41.2 days and aggregates up to 18.11" (460mm) of snow.

What is the month with the least sunshine in Humboldt?

January has the least sunshine of the year in Humboldt, with an average of 4h of sunshine.

When is the lowest UV index in Humboldt?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Humboldt.

When does it snow the most in Humboldt?

February is the month with the most snowfall. Snow falls for 9 days and accumulates 5" (127mm) of snow.

When is Daylight Saving Time (DST) in Humboldt?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Humboldt, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Humboldt?

June is the month with the most rainfall in Humboldt. Rain falls for 17.3 days and accumulates 3.7" (94mm) of precipitation.

When it does not snow in Humboldt?

June through September are months without snowfall in Humboldt.

When are the longest days in Humboldt?

With an average of 15h and 18min of daylight, June has the longest days of the year in Humboldt.

What is the month with the highest UV index in Humboldt?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Humboldt, Iowa.

What time of the year is the hottest in Humboldt?

Humboldt's July weather, marked by an average high temperature of 80.8°F (27.1°C) and an average low temperature of 63.7°F (17.6°C), is the warmest in the year.

What month has the most sunshine in Humboldt?

July has the most sunshine of the year in Humboldt, Iowa, with an average of 10.3h of sunshine.

What is the least humid month in Humboldt?

The least humid month is October, with an average relative humidity of 68%.

What is the month with the shortest days in Humboldt?

The month with the shortest days in Humboldt is December, with an average of 9h and 6min of daylight.

Average pressure
Humboldt, IA

Average pressure - Humboldt, IA

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Humboldt, IA

Average wind speed - Humboldt, IA

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).

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Average rainfall
Humboldt, IA

Average rainfall - Humboldt, IA

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days
Humboldt, IA

Average rainfall days - Humboldt, IA

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).

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Average snowfall
Humboldt, IA

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").

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Average snowfall days
Humboldt, IA

Average snowfall days - Humboldt, IA

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).

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Average daylight / Average sunshine
Humboldt, IA

Average daylight / Average sunshine - Humboldt, IA

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).

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).

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Average sunshine days
Humboldt, IA

Average sunshine days - Humboldt, IA

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index
Humboldt, IA

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).

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Average visibility
Humboldt, IA

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).

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Humboldt, Iowa, USA

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