Climate and monthly weather forecast
Tarkio, MO

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The climate of Tarkio

Tarkio, Missouri is classified as a predominately Dfa climate according to the Köppen climate classification system. More specifically, it displays a humid continental climate with no dry season and a hot summer. This small city located in Atchison County experiences a myriad of weather shifts throughout the year. With respect to overall temperatures, Tarkio witnesses temperatures hitting a peak in July at 84.9°F (29.4°C), while they plunge down to the coldest point in January at 18.5°F (-7.5°C). The place endures varying weather conditions marked by distinct changes in temperature, humidity, rainfall, and sunlight among other weather characteristics.

Inspecting the climate data, it's clear that in spite of having a relatively high humidity between 67% to 79% throughout the year, Tarkio does not have a defined wet season. Rainfall drifts from a high of 4.21" (107mm) in June to a low of 0.67" (17mm) in February, signifying a dispersal of rainy days throughout the year. The number of daylight hours ranges from 9.3 hours in December to a maximum of 15 hours in June, making it sufficiently light for outdoor activities for the larger part of the day during summer. The UV index also reaches a maximum of 6 during these summer months of June, July, and August, making sunscreen a must-have commodity.

With respect to unique weather patterns, Tarkio, between December and February, turns into a winter wonderland with snowfall reaching a peak of 3.03" (77mm) in December and a noticeable drop to 0.35" (9mm) by October. Despite its decrease in winter months, wind speed continues to stay at a moderate 9.4mph (15.1km/h) to 10.1mph (16.3km/h). At the same time, visibility remains stable at 6 miles irrespective of the chosen month.

The best time to visit Tarkio

Given the diverse nature of its climate, the ideal time to visit Tarkio varies depending on individual preferences. For those who relish warm weather and long days, June appears to be the most suitable with an average high temperature of 82.2°F (27.9°C) and about 15 daylight hours. While for tourists interested in outdoor activities that require cooler temperatures, October offers a comfortable average high of 63.3°F (17.4°C), giving them an opportunity to explore without having to worry about soaring temperatures.

The worst time to visit Tarkio

If cold weather and snow aren't particularly appealing, the months of December and January are perhaps best avoided. During these months, the temperature dips to an average low of 18.5°F (-7.5°C) and 21.9°F (-5.6°C) respectively, accompanied by significant snowfall. At the same time, reduced daylight hours from 9.3 to 9.7 hours can limit outdoor activities.

Spring weather in Tarkio

Springtime weather in Tarkio, analogous to March, April and May, introduces a gradual transition from winter's chill to summer's heat. Temperatures climb from a chilly 51.4°F (10.8°C) in March to a milder 72.1°F (22.3°C) in May. This season also ushers in increased precipitation, rising from 1.5" (38mm) to 3.86" (98mm) in May. While spring to some extent, introduces the increased possibility of rain, it also presents on average 12 to 14.4 daylight hours, providing ample light for sightseeing and other outdoor activities.

Summer weather in Tarkio

Summers in Tarkio, spanning from June, July and August, are characterized by increased temperatures, increased daylight hours, and relatively lower wind speeds. During this period, the city enjoys average high temperatures from 82.2°F (27.9°C) to 84.9°F (29.4°C). Rainfall is also at its peak in June with 4.21" (107mm). Despite the warmth and increased rainfall, this season invites longer days with 14.4 to 15 daylight hours, perfect for relishing outdoor activities.

Autumn weather in Tarkio

With Autumn, noticeable climate shifts occur in Tarkio. The months of September, October, and November bring a drop in temperature from 77.7°F (25.4°C) in September to a colder 50.2°F (10.1°C) in November. Concurrently, rainfall decreases progressively from 1.93" (49mm) to 1.06" (27mm) in November. As temperatures decrease and rainfall lessens, autumn paints a calm and serene ambiance perfect for exploratory walks or drives.

Winter weather in Tarkio

Winters in Tarkio, encompassing the months of December, January, and February, bring the year’s coldest temperatures and noticeable snowfall. The chill can reach a freezing low temperature of 18.5°F (-7.5°C) in the heart of winter in January. December sees the highest snowfall at 3.03" (77mm). The winter season also has the year's least daylight hours, from 9.3 hours to 10.7 hours in February, creating a characteristic winter atmosphere.

Weather in January

This is the year's coldest month in Tarkio, Missouri as temperatures dip down into the low 18.5°F (-7.5°C) range while only reaching up to the window of 32.5°F (0.3°C) at the highest. While the frosty temperatures persist, there is a mercy from the bone-chilling winds which are quite lower relative to other months. Weather in January »

Weather in February

Gradual thawing begins in February where the frigid grip of winter gradually loosens. The seasonal transition is heralded by a small increment in temperatures compared to January. Unpredictability is the name of the game in this period with sporadic spells of late snowfall coupled with the emerging spring sunshine. Weather in February »

Weather in March

March sees an upward swing in temperatures, indicating a clear segue from winter to sprin. Although the atmosphere retains a clinging chill, daytime temperatures reach up to 51.4°F (10.8°C), giving residents the first taste of warmth that's to follow. Weather in March »

Weather in April

A noticeable transformation characterizes April in Tarkio with the dominance of warmth over the cold. The month witnesses an even greater increase in temperatures, peaking at 63°F (17.2°C), that dramatically introduces a decisive spring. Weather in April »

Weather in May

May brings consistent warm weather to Tarkio before the onset of summer. It is during this month that the weather truly settles with rainfall reaching its peak at 3.86" (98mm). The increasing heat combined with the high surge of rainfall gives rise to a sultry climate. Weather in May »

Weather in June

The searing summer heat starts to make its mark on the Tarkio's weather patterns in June. With the mercury consistently bulging upwards beyond 82.2°F (27.9°C), the month is primarily characterized by bright, hot days. The previously high rainfall subsides, making way for long, sunny days. Weather in June »

Weather in July

July conveys the intensity of a mid-western summer registering the highest temperature of 84.9°F (29.4°C). The heatwave triggers a high demand for hydration, both for the people and the parched vegetation. Conversely, the local fauna relishes in the clear skies and hot temperatures, making the region a panorama of natural beauty. July, with its high-temperature average of 84.9°F (29.4°C) and a low-temperature average of 67.1°F (19.5°C), is the warmest month. July's average heat index is evaluated at a torrid 96.8°F (36°C). Weather in July »

Weather in August

In August, Tarkio experiences a slight easing of the summer heat, with temperatures subtly dipping from the extremes of the previous month. However, the region remains in the clutches of summer’s warmth. Local festivals and events take advantage of the favourable weather to provide great community experiences. Weather in August »

Weather in September

September beams with the glory of a vibrant fall, marking the onset of milder temperatures. It provides a visual treat with scenery transforming into a palette of warm and earthy colors. The drop in heat from the peak of 77.7°F (25.4°C) is noticeable and the decreasing humidity offers a refreshing change to the tactile senses. September's onset records a minor alteration in the average high-temperature to a still moderately hot 77.7°F (25.4°C) from August's 82.9°F (28.3°C). Weather in September »

Weather in October

Looking at October, the pleasant dips in temperature gives respite from the scorching summer. As autumn advances, the varied hues of the landscape provide a visual spectacle. This refreshing climate enables a flurry of outdoor activities and festivals which contribute to the lively social atmosphere. A shift in Tarkio's weather is noticeable as September turns into October, with the average high temperature decreasing from a warm 77.7°F (25.4°C) to an enjoyable 63.3°F (17.4°C). Weather in October »

Weather in November

November awakens the anticipation of the approaching winter with temperatures seesawing from 50.2°F (10.1°C) and downwards. The minimal rainfall, coupled with the colder climate, paves the way for the possibility of early snowfall. Weather in November »

Weather in December

December brings back the wintry landscape of Tarkio, Missouri with temperatures plunging down to 23.9°F (-4.5°C). The first signs of snowfall are a clear indication of another cycle of cold weather ahead. This time of year paints a picturesque winter scene with snow-covered surfaces that add to the festive holiday spirit. Tarkio's transition into December involves a shift in temperature, receding from a cool 50.2°F (10.1°C) in November to a cold 36.5°F (2.5°C). Weather in December »
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the month when Tarkio experiences its coldest temperatures, averaging a high of 32.5°F (0.3°C) and a low of 18.5°F (-7.5°C).

How many days does it rain?

In Tarkio, during the entire year, the rain falls for 120.8 days and collects up to 24.09" (612mm) of precipitation.

When does it snow?

Months with snowfall are January through April, October through December.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 6.7 days and typically aggregates up to 3.03" (77mm) of snow.

How many days does it snow?

In Tarkio, during the entire year, snow falls for 23.5 days and aggregates up to 10.51" (267mm) of snow.

What is the month with the least sunshine?

With an average of 4.8h of sunshine, January has the least sunshine of the year in Tarkio, Missouri.

What is the month with the lowest UV index?

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

What is the driest month?

February is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.67" (17mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

When it does not snow?

May through September are months without snowfall.

What is the rainiest month?

The month with the most rainfall is June, when the rain falls for 15.8 days and typically aggregates up to 4.21" (107mm) of precipitation.

When are the longest days?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month?

Tarkio's temperatures peak on average in July, reaching 84.9°F (29.4°C) at their highest and 67.1°F (19.5°C) at their lowest.

What is the most humid month?

With an average relative humidity of 79%, July is the most humid month.

What month has the most sunshine?

With an average of 10.3h of sunshine, July has the most sunshine of the year.

What is the least humid month?

October is the least humid month, with an average relative humidity of 67%.

What is the month with the shortest days?

December has the shortest days of the year in Tarkio, with an average of 9h and 18min of daylight.
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Average temperature
Tarkio, MO

Average temperature - Tarkio, MO

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (32.5°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure
Tarkio, MO

Average pressure - Tarkio, MO

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed
Tarkio, MO

Average wind speed - Tarkio, MO

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity
Tarkio, MO

Average humidity - Tarkio, MO

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall
Tarkio, MO

Average rainfall - Tarkio, MO

The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days
Tarkio, MO

Average rainfall days - Tarkio, MO

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (3.8 days).

Average snowfall
Tarkio, MO

Average snowfall - Tarkio, MO

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Tarkio, MO

Average snowfall days - Tarkio, MO

The months with the highest number of snowfall days are January and February (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Tarkio, MO

Average daylight / Average sunshine - Tarkio, MO

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).

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 48min).

Average sunshine days
Tarkio, MO

Average sunshine days - Tarkio, MO

The months with the most sunshine days are November and December (21.5 days).
The month with the least sunshine days is May (11.4 days).

Average UV index
Tarkio, MO

Average UV index - Tarkio, MO

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, November and December (UV index 2).

Average cloud cover
Tarkio, MO

Average cloud cover - Tarkio, MO

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility
Tarkio, MO

Average visibility - Tarkio, MO

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).

Tarkio, Missouri, USA

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